Works (119)

2023 article

Can we see the nitrate from the trees? Long-term linkages between tropical forest productivity and stream nitrogen concentrations

Ardon, M., Clark, D. A., Marzolf, N. S., Ramirez, A., & Pringle, C. M. (2023, February 22). BIOGEOCHEMISTRY, Vol. 2.

By: M. Ardon n, D. Clark, N. Marzolf, A. Ramirez & C. Pringle

Sources: Web Of Science, ORCID
Added: March 20, 2023

2022 journal article

Do experimental pH increases alter the structure and function of a lowland tropical stream?

ECOSPHERE, 13(7).

By: N. Marzolf n, D. Baca*, T. Bruce*, M. Vega-Gomez n, C. Watson*, C. Ganong*, A. Ramirez, C. Pringle*, M. Ardon n

author keywords: acidification; buffering capacity; disturbance; macroinvertebrates; stream; structure and function; tropical ecology
Sources: Web Of Science, ORCID
Added: July 27, 2022

2022 journal article

Natural history of Odonata assemblages in tropical streams in Puerto Rico

NEOTROPICAL BIODIVERSITY, 8(1), 112–123.

By: A. Mariani-Rios*, N. Maldonado-Benitez* & A. Ramirez

author keywords: Tropical streams; Anisoptera; Zygoptera; tropical ecology
Sources: Web Of Science, ORCID
Added: March 28, 2022

2022 article

Partitioning inorganic carbon fluxes from paired O-2-CO2 gas measurements in a Neotropical headwater stream, Costa Rica

Marzolf, N. S., Small, G. E., Oviedo-Vargas, D., Ganong, C. N., Duff, J. H., Ramirez, A., … Ardon, M. (2022, July 16). BIOGEOCHEMISTRY, Vol. 7.

By: N. Marzolf n, G. Small, D. Oviedo-Vargas, C. Ganong, J. Duff, A. Ramirez, C. Pringle, D. Genereux, M. Ardon

author keywords: Tropical streams; Carbon cycling; Inorganic carbon; CO2 evasion; Net ecosystem production
Sources: Web Of Science, ORCID
Added: July 17, 2022

2021 article

A global agenda for advancing freshwater biodiversity research

Maasri, A., Jaehnig, S. C., Adamescu, M. C., Adrian, R., Baigun, C., Baird, D. J., … Worischka, S. (2021, December 1). ECOLOGY LETTERS, Vol. 12.

By: A. Maasri*, S. Jaehnig, M. Adamescu*, R. Adrian*, C. Baigun, D. Baird*, A. Batista-Morales*, N. Bonada* ...

author keywords: data infrastructure; ecology; freshwater biodiversity crisis; freshwaters; management; monitoring; research priorities; social ecology
Sources: Web Of Science, ORCID
Added: December 13, 2021

2021 journal article

Disturbance and resilience in the Luquillo Experimental Forest

BIOLOGICAL CONSERVATION, 253.

By: J. Zimmerman*, T. Wood*, G. Gonzalez*, A. Ramirez, W. Silver*, M. Uriarte*, M. Willig*, R. Waide*, A. Lugo*

author keywords: Biogeochemistry; Climate change; Drought; Food web; Gamma radiation; Hurricane; Landslide; Land use; Forest management; Succession; Warming
Sources: Web Of Science, ORCID
Added: February 15, 2021

2021 journal article

Impacts of detritivore diversity loss on instream decomposition are greatest in the tropics

NATURE COMMUNICATIONS, 12(1).

Sources: Web Of Science, ORCID
Added: July 19, 2021

2021 journal article

Latitude dictates plant diversity effects on instream decomposition

SCIENCE ADVANCES, 7(13).

Sources: Web Of Science, ORCID
Added: April 5, 2021

2021 journal article

Rearing methods and life cycle characteristics of Chironomus sp. Florida (Chironomidae: Diptera): A rapid-developing species for laboratory studies

PLOS ONE, 16(2).

By: R. Reyes-Maldonado*, B. Marie* & A. Ramirez

Sources: Web Of Science, ORCID
Added: March 29, 2021

2020 journal article

Dragonflies and damselflies (Odonata) from Puerto Rico: a checklist with notes on distribution and habitat

PEERJ, 8.

By: A. Ramirez, N. Maldonado-Benitez*, A. Mariani-Rios* & J. Figueroa-Santiago*

author keywords: Species inventory; West Indies; Insect diversity; Caribbean
Sources: Web Of Science, ORCID
Added: October 19, 2020

2020 journal article

Mayfly emergence production and body length response to hydrology in a tropical lowland stream

PEERJ, 8.

By: P. Gutierrez-Fonseca* & A. Ramirez

author keywords: Mayflies; Sublethal effects; Disturbance; Environmental stress; Morphometry; Costa Rica; Emergence pattern; Secondary production; Export; Emergence production
Sources: Web Of Science, ORCID
Added: September 21, 2020

2020 article

Preface: Recent advances in tropical lake research

Ramirez, A., Caballero, M., Vazquez, G., & Colon-Gaud, C. (2020, November). HYDROBIOLOGIA, Vol. 847, pp. 4143–4144.

Sources: Web Of Science, ORCID
Added: November 24, 2020

2020 journal article

Trophic basis of production in tropical headwater streams, Puerto Rico: an assessment of the importance of allochthonous resources in fueling food webs

HYDROBIOLOGIA, 847(8), 1961–1975.

By: K. Rosas*, C. Colon-Gaud* & A. Ramirez

author keywords: Tropical stream; Macroinvertebrate; Production; Gut contents; Trophic basis
Sources: Web Of Science, ORCID
Added: April 6, 2020

2020 journal article

Understanding tropical forest abiotic response to hurricanes using experimental manipulations, field observations, and satellite data

BIOGEOSCIENCES, 17(12), 3149–3163.

By: A. Van Beusekom*, G. Gonzalez*, S. Stankavich*, J. Zimmerman* & A. Ramirez

Sources: Web Of Science, ORCID
Added: July 13, 2020

2020 journal article

When the rainforest dries: Drought effects on a montane tropical stream ecosystem in Puerto Rico

FRESHWATER SCIENCE, 39(2), 197–212.

By: P. Gutierrez-Fonseca, A. Ramirez, C. Pringle, P. Torres, W. McDowell, A. Covich, T. Crowl, O. Perez-Reyes

author keywords: aseasonality; disturbances; low flow; neotropical streams; precipitation
Sources: Web Of Science, ORCID
Added: July 27, 2020

2019 journal article

Leaf litter decomposition and macroinvertebrate assemblages along an urban stream gradient in Puerto Rico

BIOTROPICA, 51(5), 641–651.

author keywords: functional feeding groups; impervious surface; leaf decomposition; macroinvertebrates; Puerto Rico; tropical streams; urban watershed
Sources: Web Of Science, ORCID
Added: August 26, 2019

2019 chapter

Multiple Stressors in the Neotropical Region: Environmental Impacts in Biodiversity Hotspots

In Multiple Stressors in River Ecosystems (pp. 205–220).

By: B. Ríos-Touma* & A. Ramírez

Sources: Crossref, ORCID
Added: January 14, 2020

2019 journal article

Nutrient export and elemental stoichiometry in an urban tropical river

ECOLOGICAL APPLICATIONS, 29(2).

author keywords: coastal; dissolved organic carbon; dissolved organic matter; dissolved organic nitrogen; dissolved silica; nitrate; nutrients; phosphate; stoichiometry; tropical; urban
Sources: Web Of Science, ORCID
Added: March 18, 2019

2019 journal article

Urbanization increases the proportion of aquatic insects in the diets of riparian spiders

Freshwater Science, 38(2), 379–390.

By: S. Kelly, E. Cuevas & A. Ramírez

author keywords: stable isotopes; C-13; N-15; subsidies; urban streams; Tetragnathidae; Puerto Rico
Sources: Crossref, ORCID
Added: January 14, 2020

2018 journal article

Comunidades de arañas ribereñas como indicadores de la condición de los ecosistemas fluviales en la cuenca del Río Piedras de Puerto Rico.

Actualidades Biológicas, 39(107), 1–23.

By: R. Reyes-Maldonado*, J. Sánchez-Ruiz*, A. Ramírez & S. Kelly*

Sources: Crossref, ORCID
Added: January 7, 2020

2018 journal article

Drought Facilitates Species Invasions in an Urban Stream: Results From a Long-Term Study of Tropical Island Fish Assemblage Structure

Frontiers in Ecology and Evolution, 6.

By: A. Ramírez, P. Gutiérrez-Fonseca*, S. Kelly*, A. Engman, K. Wagner*, K. Rosas*, N. Rodríguez*

Sources: NC State University Libraries, ORCID, Crossref
Added: December 17, 2018

2018 journal article

Effects of experimental pool level reduction on Phylloicus pulchrus (Trichoptera: Calamoceratidae) feeding and conspecific behavior from a tropical rainforest stream

Intropica, 3, 13.

By: L. Reyes-Torres & A. Ramírez

Sources: Crossref, ORCID
Added: January 7, 2020

2018 journal article

Large-scale climatic phenomena drive fluctuations in macroinvertebrate assemblages in lowland tropical streams, Costa Rica: The importance of ENSO events in determining long-term (15y) patterns

PLOS ONE, 13(2), e0191781.

By: P. Gutiérrez-Fonseca*, A. Ramírez & C. Pringle*

Ed(s): M. Cañedo-Argüelles

Sources: Crossref, ORCID
Added: January 14, 2020

2018 journal article

Life history and phenology of Phylloicus pulchrus (Trichoptera: Calamoceratidae) in a tropical rainforest stream of Puerto Rico

Revista De Biología Tropical, 66(2), 814.

By: L. Reyes-Torres* & A. Ramírez

author keywords: caddisfly; tropical streams; environmental variables; rainfall seasonality; instar determination; body-case relation
Sources: Crossref, ORCID
Added: January 14, 2020

2018 chapter

Superfamily Gomphoidea

In Thorp and Covich's Freshwater Invertebrates (pp. 377–397).

By: R. Novelo-Gutiérrez, A. Ramírez & E. González-Soriano

Sources: Crossref, ORCID
Added: January 14, 2020

2018 journal article

The larva of Perissolestes remotus (Williamson & Williamson, 1924) (Zygoptera: Perilestidae)

The larva of Perissolestes remotus (Williamson & Williamson, 1924) (Zygoptera: Perilestidae). International Journal of Odonatology, 21(3-4), 173–179.

By: J. Román-Heracleo*, M. Springer* & A. Ramírez

author keywords: Odonata; larval description; taxonomy; Costa Rica; dragonflies
Sources: Crossref, ORCID
Added: January 7, 2020

2017 chapter

18. Rivers of Costa Rica

In M. Kappelle (Ed.), Costa Rican Ecosystems (pp. 621–655).

By: C. Pringle, E. Anderson, M. Ardón, R. Bixby, S. Connelly, J. Duff, A. Jackman, P. Paaby ...

Ed(s): M. Kappelle

Sources: Crossref, ORCID
Added: January 25, 2020

2017 journal article

Decreases in the size of riparian orb webs along an urbanization gradient

Journal of Arachnology, 45(2), 248–252.

By: J. Sanchez-Ruiz*, A. Ramírez & S. Kelly*

author keywords: Capture area; Puerto Rico; Rio Piedras watershed; Tetragnatha; web structure
Sources: Crossref, ORCID
Added: January 14, 2020

2017 journal article

Facilitation between shrimps and mayflies in montane stream ecosystems, Puerto Rico

Revista De La Asociación Colombiana De Ciencias Biológicas, 1(29), 15–20. https://www.revistaaccb.org/r/index.php/accb/article/view/136/131

By: A. Forero Céspedes, P. Gutiérrez Fonseca & A. Ramírez

Source: NC State University Libraries
Added: November 19, 2020

2017 journal article

Riparian plant litter quality increases with latitude

Scientific Reports, 7(1).

By: L. Boyero*, M. Graça*, A. Tonin*, J. Pérez*, A. J. Swafford, V. Ferreira*, A. Landeira-Dabarca*, M. A. Alexandrou* ...

Sources: Crossref, ORCID
Added: January 14, 2020

2016 journal article

Allochthonous vs. autochthonous energy resources for aquatic insects in cloud forest streams, Veracruz, Mexico

Hidrobiológica, 26(3), 483–496.

author keywords: Allochthonous and autochthonous material; cloud forest; food-webs; guts contents; Neotropical streams; trophic basis
Sources: Crossref, ORCID
Added: November 19, 2020

2016 journal article

Biotic and abiotic variables influencing plant litter breakdown in streams: a global study

Proceedings of the Royal Society B: Biological Sciences, 283(1829), 20152664.

By: L. Boyero*, R. Pearson*, C. Hui*, M. Gessner*, J. Pérez*, M. Alexandrou*, M. Graça*, B. Cardinale* ...

author keywords: decomposition; latitudinal gradient; climate; litter quality; biodiversity; detritivore shredders
Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

Evaluación de la calidad ecológica de los ríos en Puerto Rico: principales amenazas y herramientas de evaluación

Hidrobiológica, 26(3), 433–441.

By: P. Gutiérrez Fonseca & A. Ramírez

Source: NC State University Libraries
Added: January 23, 2021

2016 chapter

Freshwater Decapod Diversity and Conservation in Central America and the Caribbean

In A Global Overview of the Conservation of Freshwater Decapod Crustaceans (pp. 267–301).

By: I. Wehrtmann*, A. Ramírez & O. Pérez-Reyes*

Sources: Crossref, ORCID
Added: January 28, 2020

2016 journal article

Ocurrencia de nemátodos en ninfas de Ephemeroptera en una quebrada de bosque tropical lluvioso

Intropica, 11, 67.

By: L. Reyes-Torres*, Y. Meléndez-Torres* & A. Ramírez

Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

Phosphorus retention in a lowland Neotropical stream following an eight-year enrichment experiment

Freshwater Science, 35(1), 1–11.

By: G. Small, M. Ardón, J. Duff, A. Jackman, A. Ramírez, F. Triska, C. Pringle

author keywords: phosphorus; sediments; sorption; storage; stream; tropical
Sources: Crossref, ORCID, Web Of Science
Added: August 6, 2018

2016 journal article

Poverty, urbanization, and environmental degradation: urban streams in the developing world

Freshwater Science, 35(1), 429–435.

By: K. Capps, C. Bentsen & A. Ramírez

author keywords: low-income economies; urban; freshwater; environmental Kuznets curves; water security; ecosystem services; wastewater; infrastructure
Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

Predation of Telebasis vulnerata (Odonata: Coenagrionidae) eggs by detritivorous caddisfly larva, Phylloicus pulchrus (Trichoptera: Calamoceratidae)

International Journal of Odonatology, 19(4), 253–256.

By: G. Cardona-Rivera* & A. Ramírez

author keywords: dragonfly; damselfly; egg mortality; consumption; tropical stream
Sources: Crossref, ORCID
Added: January 28, 2020

2016 chapter

Rivers of Costa Rica

In M. Kappelle (Ed.), Costa Rican Ecosystems (pp. 621–655).

By: C. Pringle, E. Anderson, M. Ardón, R. Bixby, S. Connelly, J. Duff, A. Jackman, P. Paaby ...

Ed(s): M. Kappelle

Sources: NC State University Libraries, ORCID
Added: July 27, 2021

2016 journal article

Sobre ensambles y ensamblajes ecológicos - respuesta a Monge-Nájera

Revista De Biología Tropical, 64(2), 817.

By: A. Ramirez & P. Gutiérrez Fonseca*

Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

The larvae of Epigomphus jannyae Belle, 1993 and E. tumefactus Calvert, 1903 (Insecta: Odonata: Gomphidae)

PeerJ, 4, e2338.

By: R. Novelo-Gutiérrez*, A. Ramírez & D. Delgado*

author keywords: Odonata; Anisoptera; Gomphidae; Larval description; Taxonomy
Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

Urbanization and stream ecology: diverse mechanisms of change

Freshwater Science, 35(1), 272–277.

By: A. Roy, K. Capps, R. El-Sabaawi, K. Jones, T. Parr, A. Ramírez, R. Smith, C. Walsh, S. Wenger

author keywords: symposium; urban stream ecology; land use; sustainable urban water management; restoration
Sources: Crossref, ORCID
Added: January 25, 2020

2015 chapter

Dinámica metabólica del periliton de ríos de la cuenca alta del río La Antigua, Veracruz, México

In J. Alcocer, M. Merino-Ibarra, & E. Escobar-Briones (Eds.), Tendencias de investigación en Limnología tropical: Perspectivas universitarias en Latinoamérica (pp. 155–164). Mexico: Asociación Mexicana de Limnología, A.C., Instituto de Ciencias del Mar y Limnología, UNAM, y Consejo Nacional de Ciencia y Tecnología.

By: D. Ramirez - Babativa, G. Vazquez, A. Ramirez & M. Caballero

Ed(s): J. Alcocer, M. Merino-Ibarra & E. Escobar-Briones

Source: NC State University Libraries
Added: January 23, 2021

2015 journal article

Leaf-litter breakdown in tropical streams: is variability the norm?

Freshwater Science, 34(2), 759–769.

By: L. Boyero*, R. Pearson*, M. Gessner*, D. Dudgeon*, A. Ramírez, C. Yule, M. Callisto*, C. Pringle* ...

author keywords: decomposition; shredders; microorganisms; tropical streams; variability
Sources: Crossref, ORCID
Added: January 28, 2020

2015 journal article

New records of Anacroneuria Klapálek, 1909 (Plecoptera: Perlidae) for Central America

Zootaxa, 3994(3), 445.

By: P. Gutiérrez Fonseca*, A. Alonso Rodríguez*, A. Cornejo*, A. Bailey*, J. Maes* & A. Ramírez

author keywords: Costa Rica; Guatemala; Nicaragua; Panama; stonefly; taxonomy
Sources: Crossref, ORCID
Added: January 28, 2020

2015 journal article

Relationships between land cover, riparian vegetation, stream characteristics, and aquatic insects in cloud forest streams, Mexico

Hydrobiologia, 768(1), 167–181.

By: M. Astudillo*, R. Novelo-Gutiérrez*, G. Vázquez*, J. García-Franco* & A. Ramírez

author keywords: Functional feeding groups; Forest cover; Water chemistry; Channel geomorphology
Sources: Crossref, ORCID
Added: January 25, 2020

2015 journal article

Stable isotope analyses of web-spinning spider assemblages along a headwater stream in Puerto Rico

PeerJ, 3, e1324.

By: S. Kelly*, E. Cuevas* & A. Ramírez

author keywords: El Yunque National Forest; Reciprocal subsidies; Aquatic insects; delta C-13; Riparian zone; delta N-15
Sources: Crossref, ORCID
Added: January 28, 2020

2015 journal article

Tropical freshwater sciences: an overview of ongoing tropical research

Freshwater Science, 34(2), 606–608.

By: A. Ramírez, M. Ardón*, M. M. Douglas & M. A. S. Graça*

Sources: Crossref, ORCID
Added: December 6, 2018

2014 journal article

Descomposición de hojarasca en seis arroyos de Bosque Mesófilo de Montaña en la cuenca alta del río La Antigua, Veracruz, México

Revista De Biología Tropical, 62, 111.

By: M. Astudillo*, A. Ramírez, R. Novelo-Gutiérrez* & G. Vázquez*

author keywords: leaf breakdown; aquatic insects; forest cover; functional feeding groups
Sources: Crossref, ORCID
Added: January 28, 2020

2014 journal article

Diversity of Benthic Biofilms Along a Land Use Gradient in Tropical Headwater Streams, Puerto Rico

Microbial Ecology, 68(1), 47–59.

By: S. Burgos-Caraballo*, S. Cantrell* & A. Ramírez

Sources: Crossref, ORCID
Added: January 28, 2020

2014 journal article

Do omnivorous shrimp influence mayfly nymph life history traits in a tropical island stream?

Revista De Biología Tropical, 62, 41.

By: N. Macias*, C. Colón-Gaud*, J. Duggins* & A. Ramírez

author keywords: interspecific interactions; predator-prey; shrimp; mayflies; tropical streams
Sources: Crossref, ORCID
Added: January 28, 2020

2014 journal article

Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras

Revista De Biología Tropical, 62, 9.

By: A. Ramírez & P. Gutiérrez-Fonseca*

author keywords: aquatic insects; rivers; lakes; wetlands; state of knowledge; Latin America; macroinvertebrates
Sources: Crossref, ORCID
Added: January 28, 2020

2014 journal article

Functional feeding groups of aquatic insect families in Latin America: a critical analysis and review of existing literature

Revista De Biología Tropical, 62, 155.

By: A. Ramírez & P. Gutiérrez-Fonseca*

author keywords: food habits; FFG; trophic guilds; trophic structure; tropical streams
Sources: Crossref, ORCID
Added: January 28, 2020

2014 journal article

Knowledge to Serve the City: Insights from an Emerging Knowledge-Action Network to Address Vulnerability and Sustainability in San Juan, Puerto Rico

Cities and the Environment (CATE), 7(1), 5. http://digitalcommons.lmu.edu/cate/vol7/iss1/5

By: T. Munoz-Erickson, A. Lugo, E. Melendez-Ackerman, L. Santiago-Acevedo, J. Seguinot-Barbosa, P. Mendez-Lazaro, M. Hall, B. Quintero ...

Source: NC State University Libraries
Added: January 28, 2021

2014 journal article

Land use effects on leaf litter breakdown in low-order streams draining a rapidly developing tropical watershed in Puerto Rico

Revista De Biología Tropical, 62, 129.

By: P. Torres* & A. Ramírez

author keywords: tropical streams; land use; detritivores; human impacts; decay rates; Puerto Rico
Sources: Crossref, ORCID
Added: January 28, 2020

2014 report

Protocolo de evaluación visual de quebradas para Puerto Rico.

Rio Piedras, Puerto Rico: Universidad de Puerto Rico, recinto de Río Piedras.

By: N. Rodriguez & A. Ramirez

Source: NC State University Libraries
Added: January 28, 2021

2014 chapter

Puerto Rico

In P. Alonso-EguíaLis, J. M. Mora, B. Campbell, & M. Springer (Eds.), Diversidad, conservación y uso de los macroinvertebrados dulceacuícolas de México, Centroamérica, Colombia, Cuba y Puerto Rico. Jiutepec, Morelos, México: Instituto Mexicano de Tecnología del Agua.

By: A. Ramírez & P. Gutiérrez-Fonseca

Ed(s): P. Alonso-EguíaLis, J. Mora, B. Campbell & M. Springer

Source: NC State University Libraries
Added: January 28, 2021

2014 journal article

Spatio-temporal variation in stream water chemistry in a tropical urban watershed

Ecology and Society, 19(2).

By: A. Ramírez, K. Rosas, A. Lugo & O. Ramos-González

author keywords: ion concentrations; nutrient concentrations; Puerto Rico; tropical streams; urban streams; water physicochemistry
Sources: Crossref, ORCID
Added: January 28, 2020

2014 journal article

Using empirical field data of aquatic insects to infer a cut-off slope value in asymptotic models to assess inventories completeness

Revista Mexicana De Biodiversidad, 85(1), 218–227.

By: J. Gómez-Anaya*, R. Novelo-Gutiérrez*, A. Ramírez & R. Arce-Pérez*

author keywords: potential species richness; theoretical slope; Odonata; Coleoptera; Zimapan; Coalcoman
Sources: Crossref, ORCID
Added: January 28, 2020

2013 journal article

Aquatic insects of Puerto Rico: a list of families

Dugesiana, 20(2), 215–219.

By: P. Gutiérrez-Fonseca, K. Rosas & A. Ramírez

Source: NC State University Libraries
Added: January 29, 2021

2013 journal article

Experimental acidification of two biogeochemically-distinct neotropical streams: Buffering mechanisms and macroinvertebrate drift

Science of The Total Environment, 443, 267–277.

By: M. Ardón*, J. Duff*, A. Ramírez, G. Small*, A. Jackman*, F. Triska*, C. Pringle*

author keywords: Acidification; Bicarbonate; Macroinvertebrates; Drift; Costa Rica; La Selva
Sources: Crossref, ORCID
Added: December 6, 2018

2013 journal article

First record of Telebasis filiola Perty (Odonata: Coenagrionidae) preying on small web-building spiders (Arachnida: Tetragnathidae)

International Journal of Odonatology, 16(4), 289–292.

By: R. Novelo-Gutiérrez* & A. Ramírez

author keywords: Odonata; damselfly; Telebasis; Araneae; Tetragnathidae; Leucauge; gleaning
Sources: Crossref, ORCID
Added: January 28, 2020

2013 journal article

Macroinvertebrados dulceacuícolas de la Isla del Coco, Costa Rica: especies y comparación con otras islas del Pacífico Tropical Oriental

Revista De Biología Tropical, 61(2), 657–668.

By: P. Gutiérrez Fonseca*, A. Ramírez, G. Umaña* & M. Springer*

Sources: Crossref, ORCID
Added: November 19, 2020

2013 journal article

Temporal variation on Odonata larval assemblage diversity in a lowland stream in western Mexico

Odonatologica, 42(4), 309–323.

By: J. Gómez-Anaya, R. Novelo-Gutiérrez & A. Ramírez

Source: NC State University Libraries
Added: January 29, 2021

2013 journal article

The larvae of Heteragrion majus

Zootaxa, 3609(1), 96–100.

By: A. Ramírez & P. Gutiérrez Fonseca*

author keywords: Odonata; Zygoptera; Megapodagrionidae; Heteragrion majus; Heteragrion atrolineatum; taxonomy; larvae; Costa Rica
Sources: Crossref, ORCID
Added: January 28, 2020

2012 journal article

Fish assemblage structure in urban streams of Puerto Rico: the importance of reach- and catchment-scale abiotic factors

Hydrobiologia, 693(1), 141–155.

By: A. Engman* & A. Ramírez

author keywords: Channelization; Fish assemblage; In-stream habitat; Urban; Tropical Island
Sources: Crossref, ORCID
Added: January 28, 2020

2012 journal article

Rainfall-Driven Amplification of Seasonal Acidification in Poorly Buffered Tropical Streams

Ecosystems, 15(6), 974–985.

By: G. Small*, M. Ardón*, A. Jackman*, J. Duff*, F. Triska*, A. Ramírez, M. Snyder*, C. Pringle*

author keywords: acidification; carbonic acid; climate; CO2; El Nino; stream; tropical
Sources: Crossref, ORCID
Added: December 6, 2018

2011 journal article

A global experiment suggests climate warming will not accelerate litter decomposition in streams but might reduce carbon sequestration

Ecology Letters, 14(3), 289–294.

By: L. Boyero*, R. Pearson*, M. Gessner*, L. Barmuta*, V. Ferreira*, M. Graça*, D. Dudgeon*, A. Boulton* ...

author keywords: Carbon cycle; climate change; detritivores; global analysis; latitudinal gradient; litter decomposition; microbial decomposers; streams; temperature
Sources: Crossref, ORCID
Added: November 19, 2020

2011 journal article

Effects of urbanization on stream physicochemistry and macroinvertebrate assemblages in a tropical urban watershed in Puerto Rico

Journal of the North American Benthological Society, 30(3), 739–750.

By: . Jesús-Crespo* & A. Ramírez

author keywords: urban stream ecology; tropical; macroinvertebrates; riparian buffers; land use; water physicochemistry
Sources: Crossref, ORCID
Added: November 19, 2020

2011 journal article

Global distribution of a key trophic guild contrasts with common latitudinal diversity patterns

Ecology, 92(9), 1839–1848.

By: L. Boyero*, R. Pearson*, D. Dudgeon*, M. Graça*, M. Gessner*, R. Albariño*, V. Ferreira*, C. Yule* ...

author keywords: global distribution pattern; latitudinal diversity gradient; leaf litter quality; shredder detritivores; stream ecosystems
Sources: Crossref, ORCID
Added: November 19, 2020

2011 journal article

Global patterns of stream detritivore distribution: implications for biodiversity loss in changing climates

Global Ecology and Biogeography, 21(2), 134–141.

By: L. Boyero*, R. Pearson*, D. Dudgeon*, V. Ferreira*, M. Graça*, M. Gessner*, A. Boulton*, E. Chauvet* ...

author keywords: Detritus; diversity; guild; latitudinal gradient; leaf litter; shredders; species richness; stream ecosystems; trophic diversity
Sources: Crossref, ORCID
Added: January 28, 2020

2011 journal article

The neotropical damselfly genus Cora: new larval descriptions and a comparative analysis of larvae of known species (Odonata: Polythoridae)

International Journal of Odonatology, 14(3), 249–256.

By: A. Ramírez, M. Altamiranda-Saavedra*, P. Gutiérrez-Fonseca & M. Springer*

author keywords: Odonata; Zygoptera; Polythoridae; Cora skinneri; Cora semiopaca; Cora lugubris; Cora marina; taxonomy; larvae; Costa Rica; Colombia
Sources: Crossref, ORCID
Added: November 19, 2020

2011 journal article

The use of a Stream Visual Assessment Protocol to determine ecosystem integrity in an urban watershed in Puerto Rico

Physics and Chemistry of the Earth, Parts A/B/C, 36(12), 560–566.

By: R. de Jesús-Crespo* & A. Ramirez

author keywords: Habitat assessment; Urban watershed; Tropical streams; Macroinvertebrates
Sources: Crossref, ORCID
Added: November 19, 2020

2011 journal article

Urban impacts on tropical island streams: Some key aspects influencing ecosystem response

Urban Ecosystems, 15(2), 315–325.

By: A. Ramírez, A. Engman*, K. Rosas*, O. Perez-Reyes* & D. Martinó-Cardona*

Sources: Crossref, ORCID
Added: January 28, 2020

2010 journal article

Biotic and abiotic controls on the ecosystem significance of consumer excretion in two contrasting tropical streams

Freshwater Biology, 55(10), 2047–2061.

By: J. Benstead*, W. Cross*, J. March*, W. McDOWELL*, A. Ramírez & A. Covich*

author keywords: consumer-driven nutrient recycling; ecological stoichiometry; El Yunque; Luquillo Experimental Forest; Puerto Rico
Sources: Crossref, ORCID
Added: November 19, 2020

2010 journal article

Introducción a los grupos de macroinvertebrados acuáticos

Revista De Biología Tropical, 58(Suppl. 4), 3–37.

By: P. Hanson*, M. Springer* & A. Ramirez

Sources: Crossref, ORCID
Added: November 19, 2020

2010 journal article

Métodos de recolección

Revista De Biologia Tropical, 58(Suppl. 4), 41–50.

By: A. Ramírez

Source: NC State University Libraries
Added: January 29, 2021

2010 journal article

Odonata

Revista De Biologia Tropical, 58(Suppl. 4), 97–136.

By: A. Ramírez

Source: NC State University Libraries
Added: January 29, 2021

2009 journal article

Are tropical streams really different?

Journal of the North American Benthological Society, 28(2), 397–403.

By: L. Boyero*, A. Ramírez, D. Dudgeon* & R. Pearson*

Sources: Crossref, ORCID
Added: November 19, 2020

2009 journal article

The streams of Gorgona Natural National Park within the global context: An introduction to the special issue

Actualidades Biologicas, 31(91), 105–110.

By: J. Blanco, A. Ramírez & F. Scatena

Source: NC State University Libraries
Added: January 29, 2021

2009 journal article

Twenty-six key research questions in urban stream ecology: an assessment of the state of the science

Journal of the North American Benthological Society, 28(4), 1080–1098.

By: S. Wenger*, A. Roy*, C. Jackson*, E. Bernhardt*, T. Carter*, S. Filoso*, C. Gibson*, W. Hession* ...

author keywords: urbanization; impervious surface; stressors; management; ecosystem function; community structure
Sources: Crossref, ORCID
Added: November 19, 2020

2009 journal article

Urban streams in Puerto Rico: what can we learn from the tropics?

Journal of the North American Benthological Society, 28(4), 1070–1079.

By: A. Ramírez, R. De Jesús-Crespo*, D. Martinó-Cardona*, N. Martínez-Rivera* & S. Burgos-Caraballo*

author keywords: urban streams; urbanization; physicochemistry; macroinvertebrates; fishes; decomposition; metabolism; disturbance; anthropogenic impacts; Puerto Rico; tropical
Sources: Crossref, ORCID
Added: November 19, 2020

2008 journal article

Secondary production, longevity and resource consumption rates of freshwater shrimps in two tropical streams with contrasting geomorphology and food web structure

Freshwater Biology, 53(12), 2504–2519.

By: W. Cross*, A. Covich*, T. Crowl*, J. Benstead* & A. Ramírez

author keywords: Atya; bioenergetics; Luquillo Experimental Forest; Puerto Rico; Xiphocaris
Sources: Crossref, ORCID
Added: November 19, 2020

2008 journal article

The dynamics of phosphorus retention during an eight-year P-addition in a Neotropical headwater stream

SIL Proceedings, 1922-2010, 30(4), 551–554.

By: G. Small, C. Pringle, F. Triska, J. Duff, A. Jackman, M. Hidalgo, A. Ramírez, M. Ardón

Sources: Crossref, ORCID, NC State University Libraries
Added: March 8, 2020

2008 journal article

Toward Quantifying the Relative Importance of Invertebrate Consumption and Bioturbation in Puerto Rican Streams

Biotropica, 40(4), 477–484.

By: W. Cross*, A. Ramírez, A. Santana* & L. Santiago*

author keywords: Atyidae; bioenergetics; Caribbean; Decapoda; detritus; ecosystem engineer; freshwater shrimps; island; mayflies; tropical stream
Sources: Crossref, ORCID
Added: November 19, 2020

2008 chapter

Tropical Stream Conservation

In D. Dudgeon (Ed.), Tropical Stream Ecology (pp. 285–304).

By: A. Ramírez, C. Pringle & K. Wantzen

Ed(s): D. Dudgeon

Sources: Crossref, ORCID
Added: November 19, 2020

2007 chapter

Biodiversidad de insectos acuáticos y el funcionamiento de los ecosistemas

In R. N. Gutierrez & P. E. Alonso-Equia-Lis (Eds.), Entomología Acuática Mexicana: estado actual de conocimiento y aplicación. (pp. 39–49). Jiutepec: Instituto Mexicano de Tecnologia del Agua, Sociedad Mexicana de Entommologia.

By: A. Ramírez

Ed(s): R. Gutierrez & P. Alonso-Equia-Lis

Source: NC State University Libraries
Added: January 29, 2021

2007 journal article

Leaf Breakdown in a Tropical Headwater Stream (Puerto Rico): The role of Freshwater Shrimps and Detritivorous Insects

Journal of Freshwater Ecology, 22(4), 581–590.

By: A. Bobeldyk* & A. Ramírez

Sources: Crossref, ORCID
Added: November 19, 2020

2006 journal article

Fast growth and turnover of chironomid assemblages in response to stream phosphorus levels in a tropical lowland landscape

Limnology and Oceanography, 51(1), 189–196.

By: A. Ramírez & C. Pringle*

Sources: Crossref, ORCID
Added: November 19, 2020

2006 journal article

New vistas in Neotropical stream ecology—Preface

Journal of the North American Benthological Society, 25(1), 61–65.

By: K. Wantzen*, A. Ramírez & K. Winemiller*

Sources: Crossref, ORCID
Added: November 19, 2020

2006 journal article

Soluble Reactive Phosphorus Transport and Retention in Tropical, Rainforest Streams Draining a Volcanic and Geothermally Active Landscape in Costa Rica. : Long-Term Concentration Patterns, Pore Water Environment and Response to ENSO Events

Biogeochemistry, 81(2), 131–143.

By: F. Triska*, C. Pringle*, J. Duff*, R. Avanzino*, A. Ramirez, M. Ardon*, A. Jackman*

author keywords: phosphorus; retention; sorption; SRP; streams; tropical; TP; transport; volcanic; ENSO
Sources: Crossref, ORCID
Added: December 6, 2018

2006 journal article

Temporal and spatial patterns in stream physicochemistry and insect assemblages in tropical lowland streams

Journal of North American Benthological Society, 25(1), 108–125.

By: A. Ramírez, C. Pringle & M. Douglas

Source: NC State University Libraries
Added: January 29, 2021

2004 journal article

Aquatic Insect Assemblages in Shrimp-dominated Tropical Streams, Puerto Rico

Biotropica, 36(2), 259–266.

By: A. Ramirez & L. Hernandez-Cruz

Sources: Crossref, ORCID
Added: November 19, 2020

2004 journal article

Do macroconsumers affect insect responses to a natural stream phosphorus gradient?

Hydrobiologia, 515(1-3), 235–246.

By: A. Ramírez & C. Pringle*

author keywords: detritus-based food webs; streams; phosphorus gradient; aquatic insects; Michaelis-Menten model
Sources: Crossref, ORCID
Added: November 19, 2020

2004 journal article

Ecological Research and the Costa Rican Park System

Ecological Applications, 14(1), 25–27.

By: A. RamÍrez

Sources: Crossref, ORCID
Added: November 19, 2020

2003 journal article

Effects of stream phosphorus levels on microbial respiration

Freshwater Biology, 48(1), 88–97.

By: A. Ramirez, C. Pringle* & L. Molina*

author keywords: enrichment; geothermal inputs; microbial respiration; phosphorus; tropical streams
Sources: Crossref, ORCID
Added: November 19, 2020

2002 journal article

Landscape variation in phosphorus concentration and effects on detritus-based tropical streams

Limnology and Oceanography, 47(1), 278–289.

By: A. Rosemond*, C. Pringle*, A. Ramírez, M. Paul* & J. Meyer*

Sources: Crossref, ORCID
Added: November 19, 2020

2001 journal article

A Test of Top-Down and Bottom-up Control in a Detritus-based food web

Ecology, 82(8), 2279–2293.

By: A. Rosemond*, C. Pringle*, A. Ramírez & M. Paul

author keywords: bottom-up (resource) control; consumers; detritivores; detritus processing in streams; La Selva, Costa Rica; macroconsumer control in streams; nutrient limitation in streams; phosphorus; stream invertebrates; top-down vs. bottom-tip control of stream food web
Sources: Crossref, ORCID
Added: November 19, 2020

2001 journal article

Spatial and temporal patterns of invertebrate drift in streams draining a Neotropical landscape

Freshwater Biology, 46(1), 47–62.

By: A. Ramírez & C. Pringle*

Sources: Crossref, ORCID
Added: November 19, 2020

2000 chapter

Dragonflies and damselflies of Costa Rican Cloud Forests

In N. Nadkarni & N. T. Wheelwright (Eds.), Monteverde: Ecology and Conservation of a Tropical Cloud Forest (p. 97). New York: Oxford University Press.

By: A. Ramírez

Ed(s): N. Nadkarni & N. Wheelwright

Source: NC State University Libraries
Added: January 29, 2021

2000 journal article

Odonata of Costa Rica: Diversity and checklist of species

Revista De Biología Tropical, 48(1), 245–252.

By: A. Ramírez, D. Paulson & C. Esquivel

Source: NC State University Libraries
Added: January 29, 2021

1999 journal article

The Neotropical Dragonfly Genus Macrothemis: New Larval Descriptions and an Evaluation of Its Generic Status Based on Larval Stages (Odonata:Libellulidae)

Journal of the North American Benthological Society, 18(1), 67–73.

By: A. Ramírez & R. Novelo-Gutiérrez

author keywords: Odonata; Libellulidae; Macrothemis; M-aurimaculata; M-celeno; M-inequiunguis; taxonomy; larval stages; key; Brechmorhoga
Sources: Crossref, ORCID
Added: November 19, 2020

1998 journal article

Effect of habitat type on benthic macroinvertebrates in two tropical lowland streams, Costa Rica

Revista De Biología Tropical, 46(Suppl.6), 201–213.

By: A. Ramírez, P. Paaby, C. Pringle & G. Agüero

Source: NC State University Libraries
Added: January 30, 2021

1998 journal article

Invertebrate drift and benthic community dynamics in a lowland neotropical stream, Costa Rica

Hydrobiologia, 386(1/3), 19–26.

By: A. Ramírez & C. Pringle*

author keywords: drift dynamics; larval shrimp migrations; diel periodicity; benthos; tropical streams
Sources: Crossref, ORCID
Added: November 19, 2020

1998 journal article

Macroconsumer effects on insect detritivores and detritus processing in a tropical stream

Freshwater Biology, 39(3), 515–523.

By: A. Rosemond*, C. Pringle* & A. Ramírez

Sources: Crossref, ORCID
Added: November 19, 2020

1998 journal article

Structure and Production of a Benthic Insect Assemblage in a Neotropical Stream

Journal of the North American Benthological Society, 17(4), 443–463.

By: A. Ramírez & C. Pringle

author keywords: invertebrates; aquatic insects; benthos; assemblage structure; secondary production; discharge; habitat type; macroconsumers; fishes; shrimps; neotropical streams; Costa Rica
Sources: Crossref, ORCID
Added: November 19, 2020

1998 journal article

The benthic macroinvertebrate community in Caribbean Costa Rican streams and the effect of sampling methods

Revista De Biología Tropical, 46(Suppl. 6), 185–199.

By: P. Paaby, A. Ramírez & C. Pringle

Source: NC State University Libraries
Added: January 30, 2021

1998 journal article

The larva of Macrothemisinacuta (Odonata: Libellulidae)

Entomological News, 109(5), 301–306.

By: R. Novelo-Gutierrez & A. Ramirez

Source: NC State University Libraries
Added: January 29, 2021

1998 journal article

Use of both benthic and drift sampling techniques to assess tropical stream invertebrate communities along an altitudinal gradient, Costa Rica

Freshwater Biology, 39(2), 359–373.

By: C. Pringle* & A. Ramírez

Sources: Crossref, ORCID
Added: November 19, 2020

1997 journal article

Description and natural history of the Costa Rican Odonata larvae. V: Megaloprepus caerulatus (Drury, 1782) (Zygoptera, Pseudostigmatidae).

Odonatologica, 26(1), 75–81.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1997 journal article

Lista de especies costarricenses del orden Odonata (Insecta) de las que se conoce la náyade

Revista De Biología Tropical, 44/45(3/1), 225–232.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1996 journal article

Six new dragonfly larvae of the family Gomphidae in Costa Rica, with a key to the Central American genera (Anisoptera)

Odonatologica, 25(2), 143–156.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1995 journal article

A note on phototactic behavior and on phoretic associations in larvae of Mecistogaster ornata Rambur from northern Costa Rica (Zygoptera: Pseudostigmatidae)

Odonatologica, 24(2), 219–224.

By: C. De la Rosa & A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1995 journal article

Descripción e historia natural de las larvas de odonatos de Costa Rica. IV: Mecistogaster ornata (Rambur, 1842) (Zygoptera, Pseudostigmatidae).

Bulletin of American Odonatology, 3, 43–47.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1995 journal article

The larvae of Neocordulia batesi longipollex Calvert, 1909 (Odonata: Cordulidae)

Journal of the New York Entomological Society, 103(2), 180–184.

By: R. Novelo-Gutierrez & A. Ramirez

Source: NC State University Libraries
Added: January 30, 2021

1994 journal article

Descripción e historia natural de las larvas de odonatos de Costa Rica. III: Gynacantha tibiata (Karsch, 1891) (Anisoptera Aeshnidae).

Bulletin of American Odonatology, 2, 9–14.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1994 journal article

Descripción e historia natural de las náyades de odonatos de Costa Rica. II: Archilestes neblina (Garrison,1982) (Odonata, Lestidae), con una clave para las especies del género en Costa Rica

Folia Entomológica Mexicana, 90, 9–16.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

1994 journal article

Megapodagrionidae (Odonata, Zygoptera) de Mexico y Centro América I: Las náyades de Philogenia carrillica, P. peacocki y P. terraba.

Acta Zoológica Mexicana, 63, 61–73.

By: A. Ramírez-Ulate & R. Novelo-Gutiérrez

Sources: NC State University Libraries, ORCID
Added: January 30, 2021

1992 journal article

Description and natural history of Costa Rican dragonfly larvae. I: Heteragrion erythrogastrum Selys, 1886 (Zygoptera: Megapodagrionidae)

Odonatologica, 21(3), 361–365.

By: A. Ramírez

Source: NC State University Libraries
Added: January 30, 2021

Employment

2018 - present

North Carolina State University Raleigh, NC, US
Professor Applied Ecology

2001 - 2018

University of Puerto Rico in Rio Piedras Rio Piedras, PR
Professor Environmental Sciences

Education

University of Georgia Athens, GA, US
Ph.D. Institute of Ecology

Universidad Nacional de Costa Rica Heredia, Heredia, CR
BS Ciencias Biológicas