Works (30)

Updated: April 4th, 2024 23:21

2019 journal article

Landscape patterns in top-down control of decomposition: omnivory disrupts a tropical detrital-based trophic cascade

ECOLOGY, 100(7).

By: T. Simon*, A. Binderup*, A. Flecker*, J. Gilliam n, M. Marshall*, S. Thomas*, J. Travis*, D. Reznick*, C. Pringle*

MeSH headings : Animals; Biomass; Ecosystem; Plant Leaves; Poecilia; Predatory Behavior; Trinidad and Tobago
TL;DR: Top-down effects of three macroconsumer species on detrital processing in headwater streams draining Trinidad's northern mountains are isolated, revealing that omnivory can result in significant indirect effects on a key ecosystem process and suggesting that resource control in tropical systems may be even more complex than previously envisioned. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: July 22, 2019

2019 journal article

Migratory gauntlets on oceanic islands: Watershed disturbance increases the cost of amphidromy

Ecology of Freshwater Fish, 28(3), 446–458.

By: E. Hain n, K. Moody*, B. Lamphere*, S. Nelson n, P. McIntyre*, J. Gilliam n, M. Blum*

author keywords: biological invasions; diadromy; Gobiidae; Hawai'i; land use; Poeciliidae
TL;DR: Densities of native Hawaiian amphidromous fishes are equally or more sensitive to conditions along migratory pathways relative to conditions in primary residential habitats, suggesting alleviating pressures by removing invasive species and restoring habitat along dispersal pathways could be effective approaches to increasing densities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: July 15, 2019

2018 journal article

Invasion of the Hawaiian Islands by a parasite infecting imperiled stream fishes

ECOGRAPHY, 41(3), 528–539.

TL;DR: These findings parallel historical records of non-native poeciliid introductions and suggest that remediating invasion hotspots could reduce the risk of infection in native stream fishes, which illustrates how inferences on parasite co-introductions can improve conservation efforts by guiding responses to emerging infectious disease in species of concern. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Overcoming urban stream syndrome: Trophic flexibility confers resilience in a Hawaiian stream fish

FRESHWATER BIOLOGY, 63(5), 492–502.

By: P. Lisi*, E. Childress*, R. Gagne*, E. Hain n, B. Lamphere*, R. Walter*, J. Hogan*, J. Gilliam n, M. Blum*, P. McIntyre*

author keywords: amphidromy; aquatic invasive species; goby; omnivory; urbanisation
TL;DR: Flexibility in diet, life history and habitat use of this native goby appear to buffer it against the effects of urbanisation compared to most other amphidromous fishes in Hawaiian streams, indicating that dietary flexibility buffers this species against environmental degradation. (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

2017 article

Local Adaptation in Trinidadian Guppies Alters Stream Ecosystem Structure at Landscape Scales despite High Environmental Variability

Simon, T. N., Bassar, R. D., Binderup, A. J., Flecker, A. S., Freeman, M. C., Gilliam, J. F., … Pringle, C. M. (2017, September). COPEIA, Vol. 105, pp. 504–513.

By: T. Simon, R. Bassar, A. Binderup, A. Flecker, M. Freeman, J. Gilliam*, M. Marshall, S. Thomas ...

TL;DR: The results demonstrate that local adaptation can produce phenotypes with significantly different effects in natural ecosystems at a landscape scale, within a tropical watershed, despite high variability in abiotic factors: five of the seven physical and chemical parameters measured across the eight study streams varied by more than one order of magnitude. (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

Reconstructing larval growth and habitat use in an amphidromous goby using otolith increments and microchemistry

JOURNAL OF FISH BIOLOGY, 90(4), 1338–1355.

By: J. Hogan*, R. Kozdon*, M. Blum*, J. Gilliam n, J. Valley* & P. McIntyre*

author keywords: Awaous stamineus; LA-ICP-MS; migration; otolith ageing; SIMS; Sr:Ca
MeSH headings : Animals; Ecosystem; Fishes / growth & development; Fishes / metabolism; Larva / chemistry; Larva / growth & development; Otolithic Membrane / chemistry; Otolithic Membrane / growth & development; Strontium / analysis; Trace Elements / analysis
TL;DR: Assessment of larval and post-larval habitat use and growth of Awaous stamineus, an amphidromous goby native to Hawai'i reveals that larvae vary substantially in growth rate, possibly in association with habitat differences. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Colonization and demographic expansion of freshwater fauna across the Hawaiian archipelago

JOURNAL OF EVOLUTIONARY BIOLOGY, 29(10), 2054–2069.

author keywords: amphidromy; evolutionary history; goby; Hawai'i; island biogeography; snail
MeSH headings : Animals; Aquatic Organisms; Biodiversity; Fresh Water; Hawaii; Perciformes; Population Dynamics; Snails
TL;DR: It is found that colonization and demographic expansion are not related and that neither corresponds to island age, indicating that stream communities form across colonization windows, underscoring the importance of ecological opportunities in shaping island freshwater diversity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Comparison of Visual Survey and Mark-Recapture Population Estimates of a Benthic Fish in Hawaii

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY, 145(4), 878–887.

By: E. Hain n, B. Lamphere n, M. Blum*, P. McIntyre*, S. Nelson n & J. Gilliam n

TL;DR: Density estimates of O‘opu Nākea from VS and IMR samplings were strongly correlated, although VS estimates were generally higher and underrepresented exceptionally large fish. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Mutual dilution of infection by an introduced parasite in native and invasive stream fishes across Hawaii

PARASITOLOGY, 143(12), 1605–1614.

author keywords: Biological invasions; dilution effect; Hawai'i; poeciliid; Awaous stamineus; Camallanus cotti
MeSH headings : Animals; Fish Diseases / epidemiology; Fish Diseases / parasitology; Fishes / parasitology; Hawaii / epidemiology; Nematode Infections / epidemiology; Nematode Infections / parasitology; Nematode Infections / veterinary; Parasite Load; Prevalence; Rivers
TL;DR: Evidence of a mutual dilution effect indicates that introduced hosts can ameliorate parasitism of native fishes by co-introduced parasites, which raises questions about the value of remediation actions, such as the removal of introduced hosts, in stemming the rise of infectious disease in species of conservation concern. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Spread of an introduced parasite across the Hawaiian archipelago independent of its introduced host

FRESHWATER BIOLOGY, 60(2), 311–322.

By: R. Gagne*, J. Hogan*, B. Pracheil*, P. Mcintyre*, E. Hain n, J. Gilliam n, M. Blum*

author keywords: Awaous stamineus; biological invasions; enemy addition; parasite; Camallanus cotti
TL;DR: It is shown that the effects of ‘enemy addition’ can extend beyond the range of non-native hosts through the independent spread ofNon-native parasites, suggesting that control of non -native hosts is not sufficient to halt the spread of introduced parasites. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2015 journal article

X-ray imaging as a time-saving, non-invasive technique for diet analysis

Fisheries Research, 161, 1–7.

By: M. Beckmann n, J. Gilliam n & R. Brian Langerhans n

author keywords: Dietary patterns; Digital radiography; Fish; Nonlethal; Stomach-content analysis
TL;DR: Digital X-ray imaging was evaluated as a non-invasive method for examination of stomach contents of small fishes and found that digital radiography consistently revealed the presence of moderate- to high-density prey items in the stomach, such as small arthropods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Sources: Crossref, Web Of Science
Added: August 6, 2018

2014 journal article

Consequences of alternative dispersal strategies in a putatively amphidromous fish

ECOLOGY, 95(9), 2397–2408.

By: J. Hogan*, M. Blum*, J. Gilliam n, N. Bickford* & P. McIntyre*

author keywords: amphidromy; Awaous stamineus; complex life cycle; connectivity; cost-benefit; dispersal strategy; fitness; growth; Hawaii; larvae; metapopulation; stream fish
TL;DR: Investigating variability in dispersal histories of a freshwater fish, Awaous stamineus, across the species' entire geographic range in the Hawaiian archipelago finds that individuals with marine dispersal have shorter larval durations and faster larval growth, and their growth advantage over purely freshwater counterparts continues to some degree into adult life. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2013 journal article

ZOOTAXA Annotated list and key to the stream fishes of Trinidad & Tobago

ZOOTAXA Annotated list and key to the stream fishes of Trinidad & Tobago. Zootaxa, 3711(1), 1–64.

By: D. Phillip, D. Taphorn, E. Holm, J. Gilliam*, B. Lamphere* & H. Lopez-Fernandez

MeSH headings : Animals; Fishes / anatomy & histology; Fishes / classification; Fresh Water; Trinidad and Tobago
TL;DR: A key with photographs is provided to aid in identifications, as well as brief notes on habitat, diet, reproduction, maximum size, local common names and distribution. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Environmental and Organismal Predictors of Intraspecific Variation in the Stoichiometry of a Neotropical Freshwater Fish

PLOS ONE, 7(3).

MeSH headings : Animals; Body Size; Ecosystem; Environment; Fishes / physiology; Fresh Water
TL;DR: It is suggested that spatial variability in elemental availability is more strongly correlated with organismal stoichiometry than organismal traits, and suggests that the stoichiometric of carnivores may not be completely buffered from environmental variability. (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

Impacts of an Invasive Snail (Tarebia granifera) on Nutrient Cycling in Tropical Streams: The Role of Riparian Deforestation in Trinidad, West Indies

PLOS ONE, 7(6).

By: J. Moslemi*, S. Snider n, K. MacNeill*, J. Gilliam n & A. Flecker*

MeSH headings : Animals; Biomass; Conservation of Natural Resources; Ecosystem; Nitrogen / metabolism; Nitrogen Cycle / physiology; Rivers; Snails / physiology; Trinidad and Tobago
TL;DR: It is concluded that human-mediated riparian canopy loss can generate hotspots of snail biomass, growth, and N excretion along tropical stream networks, altering the impacts of an invasive snail on the biogeochemical cycling of N. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Molecular and Morphological Evidence of Distinct Evolutionary Lineages of Awaous guamensis in Hawai'i and Guam

COPEIA, (2), 293–300.

By: D. Lindstrom n, M. Blum*, R. Walter n, R. Gagne* & J. Gilliam n

TL;DR: Based upon genetic, morphological, and geographic distributional differences, it is recommended that Hawaiian populations be recognized as a distinct species, and reversion to the previous nomenclature of Awaous stamineus. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Isolation and differentiation of Rivulus hartii across Trinidad and neighboring islands

MOLECULAR ECOLOGY, 20(3), 601–618.

By: R. Walter n, M. Blum*, S. Snider*, I. Paterson n, P. Bentzen n, B. Lamphere*, J. Gilliam*

author keywords: colonization; Guapin killifish; island biogeography; Trinidad
MeSH headings : Animals; Cyprinodontiformes / classification; Cyprinodontiformes / genetics; DNA, Mitochondrial / chemistry; DNA, Mitochondrial / genetics; Fresh Water; Genetic Speciation; Genetic Variation; Haplotypes; Microsatellite Repeats / genetics; Phylogeography; Poecilia / classification; Poecilia / genetics; Population Dynamics; Trinidad and Tobago; West Indies
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Functional Response Models to Estimate Feeding Rates of Wading Birds

WATERBIRDS, 33(1), 33–40.

By: J. Collazo*, J. Gilliam n & L. Miranda-Castro*

author keywords: Ardea alba; Egretta caerulea; Egretta tricolor; Fgretta thula; estuaries foraging; functional response; man grove swamp; Puerto Rico; wading birds
TL;DR: Estimates of feeding rates are necessary to evaluate wading bird foraging strategies and their role in food webs; thus, models that incorporate predator dependence warrant consideration. (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)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

The pharmacokinetics of enrofloxacin in adult African clawed frogs (Xenopus laevis)

Journal of the American Association for Laboratory Animal Science, 49(6), 800–804.

By: A. Howard, M. Papich, S. Felt, C. Long, G. McKeon, E. Bond, S. Torreilles, R. Luong, S. Green

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

2008 journal article

Movement ecology: Size-specific behavioral response of an invasive snail to food availability

ECOLOGY, 89(7), 1961–1971.

By: S. Snider n & J. Gilliam n

author keywords: advection-diffusion models; aquatic snail; body size; environmental heterogeneity; food resources; invasion; movement behavior; movement ecology; phenotypic heterogeneity; Tarebia granifera; Trinidad; West Indies
MeSH headings : Animals; Body Size; Conservation of Natural Resources; Ecosystem; Feeding Behavior / physiology; Models, Biological; Rivers; Snails / physiology
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Effects of temporal patterning of predation threat on movement of a stream fish: evaluating an intermediate threat hypothesis

ENVIRONMENTAL BIOLOGY OF FISHES, 76(1), 25–35.

By: D. Fraser*, J. Gilliam n, B. Albanese* & S. Snider n

author keywords: stream corridor; population spread; dispersal; homing; predation threat; habitat matrix
TL;DR: A conceptual model for predicting fish movement behavior along this continuum posits an important role for predation threat, and the size and spacing of refuge patches, suggesting that human alterations of these factors will affect the natural movement of fish in streams. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Variable intake, compensatory growth, and increased growth efficiency in fish: Models and mechanisms

ECOLOGY, 86(6), 1452–1462.

By: G. Skalski n, M. Picha n, J. Gilliam n & R. Borski n

author keywords: bioenergetics; compensatory growth; energy budget model; experiment; hybrid striped bass
TL;DR: This analysis suggests that the lower cumulative maintenance costs incurred over a time interval with low consumption followed by high consumption act in association with higher assimilation and/or conversion efficiencies, and lower overall mass-specific maintenance costs to in- crease growth efficiency in hybrid striped bass. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Night feeding by guppies under predator release: Effects on growth and daytime courtship

ECOLOGY, 85(2), 312–319.

By: D. Fraser, J. Gilliam n, J. Akkara*, B. Albanese n & S. Snider n

author keywords: activity rhythms; courtship; Crenicichla alta; diel migration; growth; guppy; Hoplias malabaricus; life history; nonlethal predation effect; Poecilia reticulata; predation; predator facilitation; Trinidad
TL;DR: The findings support the view that evaluations of predator effects on life histories should consider potential predator-caused alterations in size-specific changes in reproductive behavior and growth. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A diffusion-based theory of organism dispersal in heterogeneous populations

AMERICAN NATURALIST, 161(3), 441–458.

By: G. Skalski n & J. Gilliam n

author keywords: diffusion; heterogeneity; variability; model; movement; dispersal
MeSH headings : Animal Migration; Animals; Diffusion; Models, Biological; Movement; Population Dynamics
TL;DR: A general theory of organism movement in heterogeneous populations that can explain the leptokurtic movement distributions commonly measured in nature and defines population heterogeneity in movement behavior as the existence of different movement states and among‐individual variability in the time individuals spend in these states. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Feeding under predation hazard: Testing models of adaptive behavior with stream fish

AMERICAN NATURALIST, 160(2), 158–172.

By: G. Skalski n & J. Gilliam n

author keywords: foraging; predation; trade-off; models; fish; stream
TL;DR: This work assesses the utility of four basic optimization models of foraging behavior in stream minnows in the presence of sunfish predators, and indicates that both body size and age are probably involved in determining the value of θ, and suggests that future studies should focus on estimating and understanding this parameter. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Explaining leptokurtic movement distributions: Intrapopulation variation in boldness and exploration

AMERICAN NATURALIST, 158(2), 124–135.

By: D. Fraser, J. Gilliam*, M. Daley, A. Le & G. Skalski*

author keywords: boldness; movement; dispersal; leptokurtic; exploration; Rivulus
TL;DR: Results show that a behavioral trait, not discernible from body size or sex, contributes to dispersal and that a component of fitness of surviving “dispersers” is elevated above that of “stayers,” a fundamental assumption or prediction of many models of the evolution of dispersal through hazardous habitat. (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

Functional responses with predator interference: viable alternatives to the Holling Type II model

Ecology (Brooklyn, New York, N.Y.), 82(11), 3083–3092.

By: G. Skalski n & J. Gilliam n

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

2001 journal article

Movement in corridors: Enhancement by predation threat, disturbance, and habitat structure

ECOLOGY, 82(1), 258–273.

By: J. Gilliam n & D. Fraser*

author keywords: corridor; diffusion; dispersal; fish; fragmentation; heterogeneity; Hoplias malabaricus; predation; river; Rivulus hartii; tropical fish
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Modeling diffusive spread in a heterogeneous population: A movement study with stream fish

ECOLOGY, 81(6), 1685–1700.

By: G. Skalski n & J. Gilliam n

author keywords: diffusion-advection model; dispersal behaviour; fish; kurtosis; mark-recapture; movement behaviour; Nocomis leptocephalus; population heterogeneity; Semotilus atromaculatus; stream
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Habitat quality in a hostile river corridor

Ecology (Brooklyn, New York, N.Y.), 80(2), 597–607.

By: D. Fraser*, J. Gilliam n, M. MacGowan*, C. Arcaro* & P. Guillozet n

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

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