Works (70)

Updated: April 5th, 2024 01:39

2021 journal article

A review of sourdough starters: ecology, practices, and sensory quality with applications for baking and recommendations for future research

PEERJ, 5.

author keywords: Sourdough; Ecology; Artisanal; Baking; Sensory; Bread; Bacteria; Yeast; Fermentation
TL;DR: This review highlights what is currently known about the microbial ecosystem of sourdough, methods of maintaining Sourdough (analogous to land management) on the path to bread production, and factors that influence the sensory qualities of the final baked product. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: June 10, 2021

2020 journal article

Preserving connectivity under climate and land-use change: No one-size-fits-all approach for focal species in similar habitats

BIOLOGICAL CONSERVATION, 248.

author keywords: Climate adaptation; Climate refugia; Corridor; Land-use change; Landscape conservation; Protection status
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID
Added: August 24, 2020

2019 journal article

Do substitute species help or hinder endangered species management?

Biological Conservation, 232, 127–130.

By: E. Henry n, E. Brammer-Robbins n, E. Aschehoug n & N. Haddad n

author keywords: Butterfly; Restoration; Demography; Movement; Surrogates; N. m. francisci
TL;DR: A large-scale habitat restoration experiment was leveraged to test the validity of the substitute species concept and found the endangered butterfly used different host plants, had higher larval survival in restored sites, and was found in more open habitat than the common butterfly. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Crossref
Added: February 24, 2020

2019 journal article

Landscape heterogeneity is key to forecasting outcomes of plant reintroduction

Ecological Applications, 29(2).

author keywords: Carphephorus; conservation biology; demography; ecological forecasting; habitat fragmentation; integral projection model; landscape corridor; Liatris; longleaf pine savanna; prediction; restoration ecology
MeSH headings : Demography; Ecosystem; Plants; Population Dynamics; Soil
TL;DR: Whether population growth following plant reintroductions is governed by variation at two scales: the scale of individual habitat patches to which individuals are reintroduced, and larger among-landscape scales in which similar patches may be situated in landscapes that differ in matrix type, soil conditions, and other factors is asked. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: Crossref
Added: February 24, 2020

2019 article

Movement and Demography of At-Risk Butterflies: Building Blocks for Conservation

ANNUAL REVIEW OF ENTOMOLOGY, VOL 64, Vol. 64, pp. 167–184.

By: C. Schultz*, N. Haddad*, E. Henry n & E. Crone*

author keywords: demography; behavior; dispersal; conservation; restoration; insect; butterfly
MeSH headings : Animals; Butterflies; Conservation of Natural Resources; Endangered Species; Population Dynamics
TL;DR: It is found that habitat-specific movement behavior is key to understanding how to connect populations, and habitat- specific demography is central to managing habitats. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: February 11, 2019

2018 journal article

Is habitat fragmentation good for biodiversity?

Biological Conservation, 226, 9–15.

author keywords: Habitat amount; Habitat loss; Configuration; Biodiversity
Source: Crossref
Added: February 24, 2020

2017 article

Connecting models, data, and concepts to understand fragmentation's ecosystem-wide effects

Haddad, N. M., Holt, R. D., Fletcher, R. J., Jr., Loreau, M., & Clobert, J. (2017, January). ECOGRAPHY, Vol. 40, pp. 1–8.

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Experimental evidence does not support the Habitat Amount Hypothesis

ECOGRAPHY, 40(1), 48–55.

TL;DR: Differences in species richness between fragmented and non‐fragmented habitats increase over time, demonstrating that long‐term studies are needed to understand the effects of fragmentation, above and beyond the amount of habitat lost. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Testing the relative importance of local resources and landscape connectivity on Bombus impatiens (Hymenoptera, Apidae) colonies

APIDOLOGIE, 48(4), 545–555.

By: J. Herrmann*, N. Haddad n & D. Levey*

author keywords: agri-environment scheme; foraging distance; landscape connectivity; habitat fragmentation; floral resources
TL;DR: These results suggest that bumblebee colonies encountered sufficient floral resources within the local 1.4 ha habitat fragments to support colony growth, making long-distance foraging trips to neighboring fragments unnecessary. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

The contribution of theory and experiments to conservation in fragmented landscapes

ECOGRAPHY, 40(1), 109–118.

By: J. Resasco*, E. Bruna*, N. Haddad n, C. Banks-Leite* & C. Margules*

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Connectivity from a different perspective: comparing seed dispersal kernels in connected vs. unfragmented landscapes

ECOLOGY, 97(5), 1274–1282.

author keywords: Anemochory; connectivity; dispersal kernel; habitat fragmentation; isotope marker; landscape ecology; longleaf pine savanna; seed dispersal; zoochory
MeSH headings : Animals; Birds; Demography; Ecosystem; Magnoliopsida / physiology; Seeds / classification; Seeds / physiology; South Carolina
TL;DR: Results show that corridors can facilitate dispersal probabilities comparable to those observed in unfragmented landscapes, and indicate that prior work has likely underestimated dispersal distances of wind-dispersed plants and that factors altering long-distance dispersal may have a greater impact on the spread of species than previously thought. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Disentangling fragmentation effects on herbivory in understory plants of longleaf pine savanna

ECOLOGY, 97(9), 2248–2258.

author keywords: connectivity; corridors; edge effects; fragment shape; habitat fragmentation; herbivory; plant growth
MeSH headings : Animals; Ecology; Ecosystem; Forests; Grassland; Herbivory
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Habitat restoration alters adult butterfly morphology and potential fecundity through effects on host plant quality

ECOSPHERE, 7(11).

author keywords: allometry; capture-mark-recapture; habitat quality; potential fecundity; restoration; wetland butterfly
TL;DR: The results highlight the need to consider restoration's impact on host plant quality, in addition to other aspects of habitat quality, when undertaking habitat restoration for threatened herbivores. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 article

Corridors for people, corridors for nature

Haddad, N. M. (2015, December 4). SCIENCE, Vol. 350, pp. 1166–1167.

MeSH headings : Brazil; Conservation of Natural Resources; Humans; Transportation
TL;DR: The immense benefits of roads connecting people to agriculture, natural resources, mines, and each other must be reconciled with their severe environmental degradation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Degradation in carbon stocks near tropical forest edges

NATURE COMMUNICATIONS, 6.

By: R. Chaplin-Kramer*, I. Ramler*, R. Sharp*, N. Haddad n, J. Gerber*, P. West*, L. Mandle*, P. Engstrom* ...

MeSH headings : Biomass; Brazil; Carbon; Climate Change; Conservation of Natural Resources; Forests; Tropical Climate
TL;DR: These findings suggest that IPCC Tier 1 methods overestimate carbon stocks in tropical forests by nearly 10%. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Do growing degree days predict phenology across butterfly species?

ECOLOGY, 96(6), 1473–1479.

author keywords: climate change; first emergence; growing degree days; Lepidoptera; Ohio, USA; ordinal date; peak abundance; phenology; temperature
TL;DR: It is shown that GDD acts as a better predictor than date for first emergence in nearly all species, and for peak abundance in more than half of all Species with less ecological flexibility, especially univoltine species, had greater predictability with GDD. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Habitat restoration affects immature stages of a wetland butterfly through indirect effects on predation

ECOLOGY, 96(7), 1761–1767.

By: E. Aschehoug n, F. Sivakoff n, H. Cayton n, W. Morris* & N. Haddad n

author keywords: Appalachian Brown; butterfly; indirect effects; Neonympha mitchellii francisci; predation; restoration; Satyrodes appalachia; St; Francis' satyr
MeSH headings : Animals; Butterflies / classification; Butterflies / growth & development; Environmental Monitoring; Environmental Restoration and Remediation; Larva / physiology; Ovum; Predatory Behavior; Wetlands
TL;DR: The results emphasize the need for experiments that evaluate the demographic responses of imperiled species to habitat restoration prior to management action and quantify potential indirect effects mediated through higher trophic levels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Point-count methods to monitor butterfly populations when traditional methods fail: a case study with Miami blue butterfly

JOURNAL OF INSECT CONSERVATION, 19(3), 519–529.

author keywords: Conservation; Distance sampling; Subtropics; Endangered species
TL;DR: A novel use of point transect distance sampling is presented to monitor the Miami blue, a highly endangered butterfly that occupies dense shrub habitat, and the determinants of adult flight phenology are identified to target monitoring efforts during periods of high adult abundance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Shared and unique responses of insects to the interaction of urbanization and background climate

Current Opinion in Insect Science, 11, 71–77.

Contributors: S. Diamond*, R. Dunn n, S. Frank n, N. Haddad n & R. Martin*

TL;DR: Insects are used as a focal system to review the major patterns of responses to urbanization, and a framework for exploring the shared and unique features that characterize insect responses tourbanization is developed and how responses toUrbanization might systematically vary along background environmental gradients in climate is illustrated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Crossref, ORCID
Added: February 24, 2020

2015 journal article

The influence of habitat fragmentation on multiple plant-animal interactions and plant reproduction

Ecology, 96(10), 2669–2678.

By: L. Brudvig*, E. Damschen*, N. Haddad n, D. Levey* & J. Tewksbury*

MeSH headings : Algorithms; Animals; Conservation of Natural Resources; Demography; Ecosystem; Environmental Monitoring; Flowers; Herbivory; Models, Biological; Plant Leaves / anatomy & histology; Plant Leaves / physiology; Plant Physiological Phenomena; Plants / classification; Pollination; Reproduction / physiology
TL;DR: Mechanistic insight is provided into landscape-scale variation in plant reproductive success, the relative importance of plant-animal interactions for structuring these dynamics, and the nuanced nature of how habitat fragmentation can affect populations and communities of interacting species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

Defining and Evaluating the Umbrella Species Concept for Conserving and Restoring Landscape Connectivity

CONSERVATION BIOLOGY, 28(6), 1584–1593.

By: I. Breckheimer*, N. Haddad n, W. Morris*, A. Trainor*, W. Fields, R. Jobe*, B. Hudgens*, A. Moody*, J. Walters*

author keywords: circuit theory; corridor; dispersal; landscape connectivity; modeling; surrogate species; conectividad de paisajes; corredor; dispersion; especies sustitutas; modelado; teoria de circuitos
MeSH headings : Animal Distribution; Animals; Birds / physiology; Butterflies / physiology; Conservation of Natural Resources / methods; Ecosystem; Endangered Species; Forests; Models, Biological; North Carolina; Ranidae / physiology
TL;DR: It is contended that when there are no irreconcilable differences between the dispersal habitats of species that cohabitate on the landscape, managing for umbrella species can help conserve or restore connectivity simultaneously for multiple threatened species with different habitat requirements. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Drosophila suzukii: The Genetic Footprint of a Recent, Worldwide Invasion

MOLECULAR BIOLOGY AND EVOLUTION, 31(12), 3148–3163.

By: J. Adrion*, A. Kousathanas*, M. Pascual*, H. Burrack n, N. Haddad n, A. Bergland*, H. Machado*, T. Sackton* ...

author keywords: Drosophila suzukii; population genetics; invasion; pest
MeSH headings : Animals; Bayes Theorem; Drosophila / genetics; Genes, Insect; Genetic Variation; Haplotypes; Introduced Species; Male; Microsatellite Repeats; Models, Genetic; Spain; United States
TL;DR: The results indicate high levels of nucleotide diversity in this invasive fruit fly species and suggest that the recent invasions of Europe and the continental United States are independent demographic events, which highlights the importance of integrating population structure into demographic models. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

How fragmentation and corridors affect wind dynamics and seed dispersal in open habitats

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 111(9), 3484–3489.

author keywords: diversity; plant community; habitat structure; reserve design; long-distance dispersal
MeSH headings : Biodiversity; Ecosystem; Geography; Models, Biological; Plant Physiological Phenomena / physiology; Seed Dispersal / physiology; Wind
TL;DR: It is concluded that habitat fragmentation and corridors strongly impact the movement of wind-dispersed species, which has community-level consequences. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Landscape corridors can increase invasion by an exotic species and reduce diversity of native species

Ecology, 95(8), 2033–2039.

MeSH headings : Animals; Ants; Behavior, Animal; Biodiversity; Demography; Introduced Species; South Carolina; Species Specificity
TL;DR: It is suggested that corridors can facilitate invasion and the importance of considering species' traits when assessing corridor utility is highlighted, particularly in landscapes dominated by polygyne fire ants. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2014 review

Potential Negative Ecological Effects of Corridors

[Review of ]. Conservation Biology, 28(5), 1178–1187.

By: N. Haddad n, L. Brudvig*, E. Damschen*, D. Evans*, B. Johnson n, D. Levey*, J. Orrock*, J. Resasco* ...

MeSH headings : Animals; Biodiversity; Conservation of Natural Resources; Plants
TL;DR: No overarching support is found for concerns that construction and maintenance of habitat corridors may result in unintended negative consequences of predators and prey population size and persistence. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

Unexpected phenological responses of butterflies to the interaction of urbanization and geographic temperature

ECOLOGY, 95(9), 2613–2621.

Contributors: S. Diamond n, H. Cayton n, T. Wepprich n, C. Jenkins n, R. Dunn n, N. Haddad n, L. Ries*

author keywords: anthropogenic change; citizen science; global climate change; impervious surface; Lepidoptera; nonadditive effects; phenology; physiology; temperature; trait-based modeling
TL;DR: Although shifts toward earlier phenology are typical of species' responses to either global climate change or urbanization, it was found that their interaction delayed several Ohio butterflies' first appearance and peak abundance phenology. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

How invader traits interact with resident communities and resource availability to determine invasion success

OIKOS, 122(1), 149–160.

By: T. Mata*, N. Haddad* & M. Holyoak*

TL;DR: Two explanations for invasion success are empirically synthesized, namely short-term resource availability and long- term resource availability, and the importance of considering traits of invaders and residents, such as growth rate and competitive ability, in the context of productivity and disturbance gradients are highlighted. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2013 journal article

The relative contribution of terrain, land cover, and vegetation structure indices to species distribution models

BIOLOGICAL CONSERVATION, 164, 170–176.

author keywords: Butterflies; Distributions; Habitat assessment; Niche models; Remote sensing; Threatened species
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2012 article

Connecting ecology and conservation through experiment

Haddad, N. M. (2012, August). NATURE METHODS, Vol. 9, pp. 794–795.

MeSH headings : Animal Migration; Animals; Ecosystem
TL;DR: An experimental infrastructure consisting of environmentally controlled and spatially linked habitat patches permits studies on terrestrial animal dispersal at an unprecedented scale for an experiment with such strict control. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Dispersal via stream corridors structures populations of the endangered St. Francis' satyr butterfly (Neonympha mitchellii francisci)

JOURNAL OF INSECT CONSERVATION, 16(2), 263–273.

author keywords: Neonympha mitchellii francisci; Satyrinae; Butterfly; Microsatellite; STR; Corridors
TL;DR: Gene flow and detectable first generation migration are found, suggesting that N. m. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Diversity of plant evolutionary lineages promotes arthropod diversity

ECOLOGY LETTERS, 15(11), 1308–1317.

author keywords: Abundance; arthropods; biodiversity experiments; community ecology; ecosystem function; phylogenetic diversity; trophic levels
MeSH headings : Animals; Arthropods; Biodiversity; Biological Evolution; Conservation of Natural Resources; Food Chain; Phylogeny; Plants
TL;DR: Drawing on 11 years of data from a long-term plant diversity experiment, it is shown that evolutionary history of plant communities - measured as phylogenetic diversity - strongly predicts diversity and abundance of herbivorous and predatory arthropods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

How complex do models need to be to predict dispersal of threatened species through matrix habitats?

Ecological Applications, 22(5), 1701–1710.

By: B. Hudgens, W. Morris*, N. Haddad n, W. Fields n, J. Wilson n, D. Kuefler*, T. Jobe*

MeSH headings : Animals; Butterflies / physiology; Computer Simulation; Conservation of Energy Resources; Demography; Ecosystem; Endangered Species; Models, Biological; Movement; North Carolina
TL;DR: Although the gain in predicting dispersal with increasing model complexity was small, so was the increase in financial cost, and more complex models made substantially different predictions than simple models when applied to a novel landscape in which butterflies are to be reintroduced to bolster their populations, these results caution against a pure parsimony approach. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Can dispersal mode predict corridor effects on plant parasites?

ECOLOGY, 92(8), 1559–1564.

author keywords: Cercospora; Colletotrichum; dispersal; gall-inducing insects; habitat fragmentation; landscape corridors; Lespedeza spp.; movement ecology; pine plantation; plant disease; Solidago odora; Uromyces
MeSH headings : Animals; Ecosystem; Fungi / physiology; Insecta; Larva; Pinus / microbiology; Pinus / parasitology; Plant Diseases / microbiology; Plant Diseases / parasitology
TL;DR: It is found that corridor impacts varied with parasite dispersal mode, and managers should focus on mitigating two potential negative effects: the indirect effects of narrow corridors in creating edges and direct effects of corridors in enhancing connectivity of biotically dispersed parasites. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Combining Measures of Dispersal to Identify Conservation Strategies in Fragmented Landscapes

CONSERVATION BIOLOGY, 25(5), 1022–1031.

author keywords: Atrytonopsis; connectivity; crystal skipper; habitat fragmentation; mark-recapture; population genetics; stepping stones
MeSH headings : Animals; Behavior, Animal / physiology; Butterflies / genetics; Butterflies / physiology; Conservation of Natural Resources / methods; Conservation of Natural Resources / statistics & numerical data; Demography; Ecosystem; Genetics, Population; Geography; North Carolina; Trees
TL;DR: How the use of complementary approaches for studying animal dispersal in fragmented landscapes can help identify conservation strategies is highlighted, with results indicated natural features in the landscape, not urbanization, were barriers to dispersal. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Edge effects, not connectivity, determine the incidence and development of a foliar fungal plant disease

ECOLOGY, 92(8), 1551–1558.

By: B. Johnson n & N. Haddad n

author keywords: Cochliobolus heterostrophus; connectivity; conservation; corridors; edge effects; habitat fragmentation; pathogen dispersal; plant disease; Zea mays
MeSH headings : Adaptation, Biological; Ascomycota / physiology; Ecosystem; Host-Pathogen Interactions; Plant Diseases / microbiology; Zea mays / microbiology
TL;DR: The results show that worries over the potentially harmful effects of conservation corridors on disease dynamics are misplaced, and that, in a conservation context, many diseases can be better managed by mitigating edge effects. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Plant diversity and the stability of foodwebs

ECOLOGY LETTERS, 14(1), 42–46.

By: N. Haddad n, G. Crutsinger*, K. Gross n, J. Haarstad* & D. Tilman*

author keywords: Arthropods; biodiversity; consumers; herbivores; insects; long term; plant diversity; predators; stability; trophic structure
MeSH headings : Animals; Arthropods / physiology; Biodiversity; Food Chain; Minnesota; Plant Physiological Phenomena
TL;DR: Results show that higher plant diversity provides more temporally consistent food and habitat resources to arthropod foodwebs, and actively managing for high plant diversity may have stronger than expected benefits for increasing animal diversity and controlling pest outbreaks. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Does Tropical Forest Fragmentation Increase Long-Term Variability of Butterfly Communities?

PLOS ONE, 5(3).

MeSH headings : Animals; Brazil; Butterflies / physiology; Ecosystem; Environment; Environmental Monitoring / methods; Species Specificity; Time Factors; Trees / growth & development; Trees / physiology; Tropical Climate
TL;DR: It is indicated that butterfly communities in fragmented tropical forests are more variable than in intact forest, and that the natural variability of butterflies was not a buffer against the effects of fragmentation on community dynamics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2010 article

Ecological Connectivity for a Changing Climate

Krosby, M., Tewksbury, J., Haddad, N. M., & Hoekstra, J. (2010, December). CONSERVATION BIOLOGY, Vol. 24, pp. 1686–1689.

By: M. Krosby*, J. Tewksbury*, N. Haddad n & J. Hoekstra*

MeSH headings : Biodiversity; Climate Change; Conservation of Natural Resources / methods; Ecosystem
TL;DR: Whether connectivity should be emphasized in conservation strategies as global or regional temperatures increase and what principles for connectivity enhancement could be applied to maximize the usefulness of the strategy are considered. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Ecosystem engineers maintain a rare species of butterfly and increase plant diversity

OIKOS, 119(5), 883–890.

TL;DR: It is found that beavers created wetland habitats that supported plant species not found elsewhere in riparian zones and increased plant species diversity across the landscape by creating a novel combination of patch types. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Natural, not urban, barriers define population structure for a coastal endemic butterfly

CONSERVATION GENETICS, 11(6), 2311–2320.

author keywords: Population genetics; Habitat fragmentation; Urbanization; Conservation; Atrytonopsis; Population structure
TL;DR: Conservation strategies for Atrytonopsis sp1, and potentially for other mobile insects that use open-structured habitats, should not focus explicitly on habitat corridors through urban areas, but rather should seek to preserve and restore as much habitat as possible across the butterfly’s range. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

The conflicting role of matrix habitats as conduits and barriers for dispersal

Ecology (Brooklyn, New York, N.Y.), 91(4), 944–950.

By: D. Kuefler n, B. Hudgens, N. Haddad n, W. Morris* & N. Thurgate n

MeSH headings : Animals; Butterflies / physiology; Ecosystem; Movement; Population Dynamics
TL;DR: A strong negative relationship between the probability of entering a habitat and the speed of moving through it is found, and this central conflict between entering and moving through habitat is important for assessing the connectivity of complex landscapes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Effects of Corridors on Genetics of a Butterfly in a Landscape Experiment

SOUTHEASTERN NATURALIST, 8(4), 709–722.

By: C. Wells*, R. Williams*, G. Walker* & N. Haddad n

TL;DR: The results support previous investigations on dispersal and population size for J. coenia, and show that higher dispersal through corridors promotes genetic variability at a locus implicated in disperseal and fitness in butterflies. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Landscape connectivity promotes plant biodiversity spillover into non-target habitats

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 106(23), 9328–9332.

author keywords: dispersal; habitat corridors; halos; life-history traits; reserve design
MeSH headings : Biodiversity; Ecology; Ecosystem; Pinus; Plants / classification; South Carolina
TL;DR: By extending economically driven spillover concepts from marine fisheries and crop pollination systems, it is shown how reconnecting landscapes amplifies biodiversity conservation both within and beyond reserve borders. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Plant species loss decreases arthropod diversity and shifts trophic structure

ECOLOGY LETTERS, 12(10), 1029–1039.

By: N. Haddad n, G. Crutsinger*, K. Gross n, J. Haarstad*, J. Knops* & D. Tilman*

author keywords: Arthropods; biodiversity; consumers; ecosystem function; herbivores; insects; long-term; plant diversity; predators; trophic structure
MeSH headings : Animals; Arthropods / physiology; Biodiversity; Extinction, Biological; Food Chain; Plant Development; Plants; Population Density
TL;DR: The results demonstrate that, over the long term, the loss of plant species propagates through food webs, greatly decreasing arthropod species richness, shifting a predator-dominated trophic structure to being herbivore dominated, and likely impacting ecosystem functioning and services. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Determining optimal population monitoring for rare butterflies

CONSERVATION BIOLOGY, 22(4), 929–940.

author keywords: butterflies; distance sampling; endangered butterflies; insects; mark-recapture; rare species; species monitoring; threatened species; transect counts
MeSH headings : Animals; Butterflies / physiology; Conservation of Natural Resources; Ecosystem; Environmental Monitoring / methods; Population Density; Time Factors
TL;DR: Mark–recapture analysis provided by far the greatest amount of demographic information, including estimates of population size, detection, survival, and recruitment probabilities, and Pollard–Yates population indices derived from transect counts did not provide estimates of demographic parameters. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Distribution, population structure and habitat use of the endangered Saint Francis Satyr butterfly, Neonympha mitchellii francisci

AMERICAN MIDLAND NATURALIST, 159(2), 298–320.

By: D. Kuefler n, N. Haddad n, S. Hall*, B. Hudgens n, B. Bartel n & E. Hoffman*

TL;DR: This study examined various quantitative aspects of this butterfly's biology, including the distributional range, habitat associations, population size and trends, demographic parameters and spatial aspects of population structure, including its dependence on beaver and its multi-tiered metapopulation structure. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 article

Finding the corridor more traveled

Haddad, N. M. (2008, December 16). PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol. 105, pp. 19569–19570.

MeSH headings : Animal Migration; Animals; Biodiversity; Birds / physiology; Conservation of Natural Resources; Trees / physiology
TL;DR: A clever behavioral experiment is offered that offers new insights into the circumstances under which corridors benefit species and helps clarify the scientific question: Do corridors actually work to promote dispersal and conserve biodiversity? (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Species' traits predict the effects of disturbance and productivity on diversity

ECOLOGY LETTERS, 11(4), 348–356.

author keywords: community; disturbance; diversity; productivity; species' traits; species richness
MeSH headings : Animals; Bacteria; Biodiversity; Biomass; Body Size; Competitive Behavior; Environment; Eukaryota; Reproduction
TL;DR: It is found that - alone or in concert - increasing disturbance intensity or frequency, or decreasing productivity, reduced diversity, and it is demonstrated that species' traits can help resolve conflicting patterns in the response of diversity to disturbance and productivity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

The movement ecology and dynamics of plant communities in fragmented landscapes

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 105(49), 19078–19083.

author keywords: corridors; dispersal; diversity; life-history traits; species richness
MeSH headings : Biodiversity; Ecology / methods; Ecosystem; Models, Biological; Plants; Population Dynamics
TL;DR: This framework was modified to generate predictions for species richness dynamics of fragmented plant communities and found that two external factors affected species colonization and recolonization in habitat fragments and their effects varied and depended on motion capacity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Robustness and uncertainty in estimates of butterfly abundance from transect counts

POPULATION ECOLOGY, 49(3), 191–200.

By: K. Gross n, E. Kalendra n, B. Hudgens n & N. Haddad n

author keywords: abundance; Bayesian statistics; estimation; parametric bootstrap; population monitoring
TL;DR: It is found that estimates of population size are robust to departures from underlying model assumptions, but that the uncertainty in these estimates (i.e., confidence intervals) is substantially underestimated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Corridors increase plant species richness at large scales

SCIENCE, 313(5791), 1284–1286.

MeSH headings : Biodiversity; Conservation of Natural Resources; Ecosystem; Environment; Pinus / growth & development; Plant Development; Seeds; Soil; South Carolina; Trees / growth & development
TL;DR: Using a large-scale replicated experiment, it is shown that habitat patches connected by corridors retain more native plant species than do isolated patches, that this difference increases over time, and that corridors do not promote invasion by exotic species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Local versus landscape determinants of butterfly movement behaviors

ECOGRAPHY, 29(4), 549–560.

By: D. Kuefler* & N. Haddad

TL;DR: Study of the movement behaviors of four species of bottomland butterflies in a natural setting showed that drainage slope did not influence movement behaviors but boundary type, stream proximity, and host plant abundance all influenced movement patterns. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2006 personal communication

Women in ecology - Authors reply

By: E. Damschen, K. Rosenfeld, M. Wyer, D. Murphy-Medley, T. Wentworth & N. Haddad

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Corridors and olfactory predator cues affect small mammal behavior

JOURNAL OF MAMMALOGY, 86(4), 662–669.

By: R. Brinkerhoff n, N. Haddad n & J. Orrock*

author keywords: corridors; foraging; habitat fragmentation; movement; Peromyscus; Savannah River Site
TL;DR: This study is among the 1st to indicate combined effects of landscape configuration and predation risk on prey behavior and these changes in prey behavior may, in turn, have cascading effects on community dynamics where corridors and differentialpredation risk influence movement and patch use. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Effects of landscape corridors on seed dispersal by birds

SCIENCE, 309(5731), 146–148.

By: D. Levey n, B. Bolker n, J. Tewksbury n, S. Sargent n & N. Haddad n

MeSH headings : Animals; Behavior, Animal; Computer Simulation; Conservation of Natural Resources; Defecation; Ecosystem; Environment; Flight, Animal; Models, Biological; Myrica; Passeriformes / physiology; Pinus; Seeds; South Carolina; Trees
TL;DR: This study examined the effect of habitat corridors on long-distance dispersal of seeds by birds, and tested whether small-scale movements of birds could be scaled up to predict dispersal across hundreds of meters in eight experimentally fragmented landscapes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 personal communication

Landscape corridors: Possible dangers? Response

By: D. Levey, B. Bolker, J. Tewksbury, S. Sargent & N. Haddad

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Low-quality habitat corridors as movement conduits for two butterfly species

ECOLOGICAL APPLICATIONS, 15(1), 250–257.

By: N. Haddad n & J. Tewksbury*

author keywords: butterfly; connectivity; conservation; corridor; dispersal; Euptoieta claudia; fragmentation; gene flow; habitat quality; Junonia coenia; landscape experiment; small populations
TL;DR: It is shown that open-habitat corridors can serve as dispersal conduits even when corridors do not support resident butterfly populations, and that for species that can traverse corridors within a generation, corridor habitat may be lower in quality than larger patches and still increase dispersal and gene flow. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

The effects of patch shape on indigo buntings: Evidence for an ecological trap

ECOLOGY, 86(6), 1422–1431.

By: A. Weldon n & N. Haddad n

author keywords: disturbance-dependent birds; ecological trap; edge habitat; fragmentation; habitat selection; Indigo Bunting; nest success; Passerina cyanea; patch shape; reproductive success
TL;DR: This work experimentally demonstrated how habitat shape, and thus amount of edge, can adversely affect nest site selection and reproductive success of a disturbance-dependent bird species, the Indigo Bunting, and provides the first experimental evidence that edges can function as ecological traps. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 review

Visibility matters: increasing knowledge of women's contributions to ecology

[Review of ]. FRONTIERS IN ECOLOGY AND THE ENVIRONMENT, 3(4), 212–219.

By: E. Damschen*, K. Rosenfeld n, M. Wyer n, D. Murphy-Medley n, T. Wentworth n & N. Haddad*

Source: Web Of Science
Added: August 6, 2018

2003 journal article

Corridor use by diverse taxa

ECOLOGY, 84(3), 609–615.

By: N. Haddad n, D. Bowne*, A. Cunningham*, B. Danielson*, D. Levey*, S. Sargent*, T. Spira*

author keywords: biodiversity; bird; butterfly; conservation; corridors; dispersal; fragmentation; frugivory; landscape experiment; movement; pollination; small mammals
TL;DR: The results show that movements of disparate taxa with broadly different life histories and functional roles are directed by corridors, causing higher movement between connected than between unconnected patches. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Predicting which species will benefit from corridors in fragmented landscapes from population growth models

AMERICAN NATURALIST, 161(5), 808–820.

By: B. Hudgens n & N. Haddad n

author keywords: conservation; corridor; model; metapopulation
MeSH headings : Conservation of Natural Resources; Ecosystem; Emigration and Immigration; Environment; Models, Biological; Time Factors
TL;DR: A model of two logistically growing populations connected by migration in which both emigration and migration success were determined by the presence or absence of a corridor found that in the short run, corridors are most effective for species with fast‐growing populations that have low survivorship when dispersed through unsuitable habitat. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Spatial heterogeneity, not visitation bias, dominates variation in herbivory

ECOLOGY, 84(8), 2214–2221.

By: K. Bradley*, E. Damschen n, L. Young*, D. Kuefler n, S. Went*, G. Wray*, N. Haddad n, J. Knops*, S. Louda*

author keywords: herbivory; herbivory uncertainty principle; observer effect; plant performance; spatial heterogeneity; visitation effect
TL;DR: It is proposed that future studies of herbivory will gain more by evaluating spatial heterogeneity in interaction outcomes than by quantifying possible experimenter-caused variation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Corridors affect plants, animals, and their interactions in fragmented landscapes

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 99(20), 12923–12926.

By: J. Tewksbury n, D. Levey n, N. Haddad n, S. Sargent n, J. Orrock n, A. Weldon n, B. Danielson n, J. Brinkerhoff n, E. Damschen n, P. Townsend n

MeSH headings : Animals; Birds; Butterflies; Conservation of Natural Resources; Ecology; Ecosystem; Environment; Plant Physiological Phenomena; Population Dynamics
TL;DR: It is demonstrated that corridors not only increase the exchange of animals between patches, but also facilitate two key plant–animal interactions: pollination and seed dispersal, and suggested that increased plant and animal movement through corridors will have positive impacts on plant populations and community interactions in fragmented landscapes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Long-term oscillations in grassland productivity induced by drought

ECOLOGY LETTERS, 5(1), 110–120.

By: N. Haddad*, D. Tilman* & J. Knops*

author keywords: ANPP; community dynamics; disturbance; drought; litter; long-term research; nitrogen; oscillations; primary production; synchronous production
TL;DR: It is shown that a major drought perturbed prairie grassland from nearly constant average annual production, and induced 9 years of oscillations with a 2-year period, showing that a single disturbance may have long-lasting effects on the dynamics of plant production. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Contrasting effects of plant richness and composition on insect communities: A field experiment

AMERICAN NATURALIST, 158(1), 17–35.

By: N. Haddad*, D. Tilman, J. Haarstad, M. Ritchie & J. Knops

author keywords: abundance; composition; diversity; functional groups; insects; species richness
TL;DR: In insect communities, insect species richness increased as plant species richness and plant functional group richness increased, and both factors may explain how the loss of plant diversity influences higher trophic levels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Corridor length and patch colonization by a butterfly, Junonia coenia

Conservation Biology, 14(3), 738–745.

By: N. Haddad*

TL;DR: It is suggested that one critical factor, interpatch distance, may determine the relative effectiveness of corridors and other landscape configurations, such as stepping stones, in reducing isolation in fragmented landscapes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Corridor use predicted from behaviors at habitat boundaries (vol 153, pg 215, 1998)

American Naturalist, 155(1), U7.

By: N. Haddad

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Host pubescence and the behavior and performance of the butterfly Papilio troilus (Lepidoptera : Papilionidae)

ENVIRONMENTAL ENTOMOLOGY, 29(2), 299–303.

By: N. Haddad* & W. Hicks

author keywords: Papilio troilus; Sassafras albidum; host preference; landscape variation; oviposition
TL;DR: The negative effects of pubescence on adult oviposition, larval growth rate, and larval survivorship suggest that the population size of P. troilus will reflect availability of nonpubescent hostplants, and may have unintended negative impacts on this butterfly population. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 article

On experimentation and the study of corridors: Response to Beier and Noss

Haddad, N. M., Rosenberg, D. K., & Noon, B. R. (2000, October). CONSERVATION BIOLOGY, Vol. 14, pp. 1543–1545.

By: N. Haddad*, D. Rosenberg & B. Noon

TL;DR: This paper aims to demonstrate the efforts towards in-situ applicability of EMMARM, which aims to provide real-time information about the distribution and habits of birds of prey found in the United States. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

The effects of long-term nitrogen loading on grassland insect communities

OECOLOGIA, 124(1), 73–84.

By: N. Haddad*, J. Haarstad* & D. Tilman*

author keywords: insect communities; productivity; diversity; abundance; nitrogen loading
TL;DR: It is demonstrated that long-term nitrogen loading affects the entire food chain, simplifying both plant and insect communities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

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