Biblio

Found results
Author Title [ Type(Desc)] Year
Filters: Author is Ramírez, A.  [Clear All Filters]
Report
Rodríguez N., Ramírez A.. Protocolo de evaluación visual de quebradas para Puerto Rico. Río Piedras: Universidad de Puerto Rico; 2014.
Journal Article
Gómez-Anaya J., Novelo-Gutiérrez R., Ramírez A., Arce-Pérez R.. Using empirical field data of aquatic insects to infer a cut-off slope value in asymptotic models to assess inventory completeness. Revista Mexicana de Biodiversidad. 2014;85:218-227.
Ramírez A., De Jesús-Crespo R.. 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. 2011;36(12):560-566.
De Jesús-Crespo R., Ramírez A.. 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. 2011;36(12):560-566.
Ramírez A., De Jesús-Crespo R., Martinó-Cardona D., Martínez-Rivera N., Burgos-Caraballo S. Urban streams in Puerto Rico: what can we learn from the tropics? Journal of the North American Benthological Society. 2009;28(4):1070-1079.
Ramírez A., Engman A., Rosas K., Perez-Reyes O., Martinó-Cardona D.. Urban impacts on tropical island stress: some key aspects influencing ecosystem response. Urban Ecosystems. 2012;15(315).
Ramírez A., Engman A., Rosas K., Perez-Reyes O., Martinó-Cardona D.. Urban impacts on tropical island streams: some key aspects influencing ecosystem response. Urban Ecosystems . 2012;15(2):315-325.
Ramírez A., Engman A., Rosas K., Perez-Reyes O., Martinó-Cardona D.. Urban impacts on tropical island streams: some key aspects influencing ecosystem response. Urban Ecosystems. 2012;15(2):315-325.
Walsh C., Sudduth E., Schofield K., Rosemond A., Ramírez A., Purcell A., et al. Twenty-six key research questions in urban stream ecology: an assessment of the state of the science. Journal of the North American Benthological Society. 2009;28(4):1080-1098.
Ramírez A., Ardón M., Douglas M., Graça M.. Tropical freshwater sciences: an overview of ongoing tropical research. Freshwater Sciences . 2015;34(2):606-608.
Ramírez A., Ardón M., Douglas M., Graça M.. Tropical freshwater sciences: an overview of ongoing tropical research. Freshwater Science. 2015;34(2):606-608.
Gómez-Anaya J., Novelo-Gutiérrez R., Ramírez A.. Temporal variation on Odonata larval assemblage diversity in a lowland stream in western Mexico. Odonatologica. 2013;42(4):309-323.
Novelo-Gutiérrez R., Ramírez A.. Telebasis filiola Perty (Odonata: Coenagrionidae) preying on small web-building spiders (Arachnida: Tetragnathidae). International Journal of Odonatology. 2013.
Scatena F., Ramírez A., Blanco J.. The streams of Gorgona Natural National Park within the global context: An introduction to the special issue. Actualidades Biologicas. 2009;31(91):105-110.
Ramírez A., Rosas K., Lugo A.. Spatio-temporal variation in stream water chemistry in a tropical urban watershed. Ecology and Society. 2014;19(2).
Ramírez A., Rosas K., Lugo A., Ramos-González O.. Spatio-temporal variation in stream water chemistry in a tropical urban watershed. Ecology and Society. 2014;19(2):45.
Ramírez A., Rosas K., Lugo A., Ramos-González O.. Spatio-temporal variation in stream water chemistry in a tropical urban watershed. Ecology and Society . 2014;19(2):45.
Ramírez A.. Revista de Biologia Tropical. Odonata. 2010;58(4):97-136.
Pringle C., Snyder M., Ramírez A., Triska F., Duff J., Jackman A., et al. Rainfall-driven amplification of seasonal acidification in poorly buffered tropical streams. Ecosystems. 2012;15:974-985.
Small G., Ardón M., Jackman A., Duff J., Triska F., Ramírez A., et al. Rainfall-driven amplification of seasonal acidification in poorly buffered tropical streams. Ecosystems. 2012;15:974-985.
Ramírez A.. Odonata. Biología Tropical. 2010;58(4):97-136.
Gutiérrez-Fonseca P., Alonso-Rodríguez A., Cornejo A., Bailey A., Maes J., Ramírez A.. New records of Anacroneuria Klapálek, 1909 (Plecoptera: Perlidae) for Central America. Zootaxa. 2015;3994(3):445-448.
Gutiérrez-Fonseca P., Alonso-Rodríguez A., Cornejo A., Bailey A., Maes J., Ramírez A.. New records of Anacroneuria Klapálek, 1909 (Plecoptera: Perlidae) for Central America. Zootaxa. 2015;3994(3):445-448.
Springer M., Gutiérrez-Fonseca P., Altamiranda-Saavedra M., Ramírez A.. The neotropical damselfly genus Cora: New larval descriptions and a comparative analysis of larvae of known species (Odonata: Polythoridae). International Journal of Odonatology. 2011;14(3):249-256.
Ramírez A., Altamiranda-Saavedra M., Gutiérrez-Fonseca P., Springer M.. The neotropical damselfly genus Cora: New larval descriptions and a comparative analysis of larvae of known species (Odonata: Polythoridae). International Journal of Odonatology . 2011;14(3):249-256.
Ramírez A.. Métodos de recolección. Biología Tropical. 2010;58(4):41-50.
Ramírez A.. Métodos de recolección. Revista de Biologia Tropical. 2010;58(4):41-50.
Gutiérrez-Fonseca P., Ramírez A., Umaña G., Springer M.. Macroinvertebrados dulceacuícolas de la Isla del Coco, Costa Rica: especies y comparación con otras islas del Pacífico Tropical Oriental. Biología Tropical. 2012;61(2):657-668.
Gutiérrez-Fonseca P., Ramírez A., Umaña G., Springer M.. Macroinvertebrados dulceacuícolas de la Isla del Coco, Costa Rica: especies y comparación con otras islas del Pacífico Tropical Oriental. Revista de Biología Tropical. 2012;61(2):657-668.
Springer M., Ramírez A., Hanson P.. Macroinvertebrados de Agua Dulce de Costa Rica I. Biología Tropical . 2010;58(4).
Hanson P., Ramírez A., Springer M.. Macroinvertebrados de Agua Dulce de Costa Rica I. Revista de Biologia Tropical. 2010;58(4).
Springer M., Ramírez A., Hanson P.. Macroinvertebrados de Agua Dulce de Costa Rica I. Biología Tropical. 2010;58(4).
Boyero L., Pearson R., Gessner M., Dudgeon D., Ramírez A., Yule C., et al. Leaf-litter breakdown in tropical streams: is variability the norm? Freshwater Science. 2015;34(2):759-769.
Ramírez A., Gutiérrez-Fonseca P.. The larvae of Heteragrion majus Selys and H. atrolineatum Donnelly, with a key to known species from Costa Rica (Odonata: Megapodagrionidae). Zootaxa. 2013;3609:96-100.
Torres P., Ramírez A.. Land use effects on leaf litter breakdown in low-order streams draining a rapidly developing tropical watershed in Puerto Rico. Biología Tropical. 2014;62(2):129-142.
Torres P., Ramírez A.. Land use effects on leaf litter breakdown in low-order streams draining a rapidly developing tropical watershed in Puerto Rico. Biología Tropical. 2014;62(2):129-142.
Muñoz-Erickson T., Lugo A., Melendez-Ackerman EJ, Santiago-Acevedo L., Seguinot-Barbosa J., Méndez-Lázaro P., et al. 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. 2014;7(1).
Muñoz-Erickson T., Lugo A., Meléndez-Ackerman E., Santiago-Acevedo L., Seguinot-Barbosa J., Méndez-Lázaro P., et al. 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. 2014;7(1).
Ramírez A., Springer M., Hanson P.. Introducción a los grupos de macroinvertebradosacuáticos. Revista de Biologia Tropical. 2010;58(4):3-37.
Hanson P., Springer M., Ramírez A.. Introducción a los grupos de macroinvertebradosacuáticos. Biología Tropical. 2010;58(4):3-37.
Boyero L., Pearson R., Dudgeon D., Ferreira V., Graça M., Gessner M., et al. Global patterns of distribution in stream detritivores: implications for biodiversity loss in changing climates. Global Ecology and Biogeography . 2011;21(2):134-141.
Boyero L., Pearson R., Gessner M., Barmuta L., Ferreira V., Graça M., et al. A global experiment suggests climate warming will not accelerate litter decomposition in streams but may reduce carbon sequestration. Ecology Letters. 2011;14:289-294.
Boyero L., Pearson R., Gessner M., Barmuta L., Ferreira V., Graça M., et al. A global experiment suggests climate warming will not accelerate litter decomposition in streams but may reduce carbon sequestration. Ecology Letters. 2011;14:289-294.
Boyero L., Pearson R., Dudgeon D., Graca M., Gessner M., Albarino RJ, et al. Global distribution of a key trophic guild contrasts with common latitudinal diversity patterns. Ecology. 2012;92:1839-1848.
Ramírez A., Gutiérrez-Fonseca P.. Functional feeding groups of aquatic insect families in Latin America: a critical analysis and review of existing literature. Biología Tropical. 2014;62(2):155-167.
Ramírez A., Gutiérrez-Fonseca P.. Functional feeding groups of aquatic insect families in Latin America: a critical analysis and review of existing literature. Biología Tropical. 2014;62(2):155-167.
Engman A., Ramírez A.. Fish assemblage structure in urban streams of Puerto Rico: The importance of reach- and catchment-scale abiotic factors. Hydrobiologia. 2012;693:141-155.
Ramírez A., Engman A.. Fish assemblage structure in urban streams of Puerto Rico: The importance of reach- and catchment-scale abiotic factors. Hydrobiologia. 2012;693:141-155.
Ardón M., Duff J., Ramírez A., Small G., Jackman A., Triska F., et al. Experimental acidification of two biogeochemically-distinct neotropical streams: Buffering mechanisms and macroinvertebrate drift. Science of the Total Environment. 2013;443:267-277.
Ramírez A., Gutiérrez-Fonseca P.. Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras. Biología Tropical. 2014;62(2):9-20.
Ramírez A., Gutiérrez-Fonseca P.. Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras. Biología Tropical. 2014;62(2):9-20.
De Jesús-Crespo R., Ramírez A.. Effects of urbanization on stream physicochemistry and macroinvertebrate assemblages in a tropical urban watershed in Puerto Rico. Journal of the North American Benthological Society. 2011;30(3):739-750.
De Jesús-Crespo R., Ramírez A.. Effects of urbanization on stream physicochemistry and macroinvertebrate assemblages in a tropical urban watershed in Puerto Rico. North American Benthological Society . 2011;30(3):739-750.
Macías N., Colón-Gaud JC, Duggins J., Ramírez A.. Do omnivorous shrimp influence mayfly nymph life history traits in a tropical island stream? Biología Tropical. 2014;62(2):41-51.
Macías N., Colón-Gaud JC, Duggins J., Ramírez A.. Do omnivorous shrimp influence mayfly nymph life history traits in a tropical island stream? Biología Tropical. 2014;62(2 ):41-51.
Burgos-Caraballo S, Cantrell S., Ramírez A.. Diversity of benthic biofilms along a land use gradient in tropical headwater streams, Puerto Rico. Microbial Ecology. 2014.
Burgos-Caraballo S, Cantrell S., Ramírez A.. Diversity of benthic biofilms along a land use gradient in tropical headwater streams, Puerto Rico. Microbial Ecology. 2014;68(1):47-59.
Astudillo M., Ramírez A., Novelo-Gutiérrez R., Vázquez G.. Descomposición de hojarasca en seis arroyos de Bosque Mesófilo de Montaña en la cuenca alta del río La Antigua, Veracruz, México. Biología Tropical. 2014;62(2):111-127.
Astudillo M., Ramírez A., R. Gutiérrez N, Vázquez G.. Descomposición de hojarasca en seis arroyos de Bosque Mesófilo de Montaña en la cuenca alta del río La Antigua, Veracruz, México. Biología Tropical. 2014;62(2):111-127.
Benstead J., Cross W., March J., McDowell WH, Ramírez A., Covich A.. Biotic and abiotic controls on ecosystem significance of consumer excretion in two contrasting tropical streams. Freshwater Biology. 2010;55:2047-2061.
Benstead J., Cross W., March J., McDowell WH, Ramírez A., Covich A.. Biotic and abiotic controls on ecosystem significance of consumer excretion in two contrasting tropical streams. Freshwater Biology. 2010;55:2047-2061.
Pearson R., Dudgeon D., Ramírez A., Boyero L.. Are tropical streams really different? . Journal of the North American Benthological Society. 2009;28(2):397-403.
Gutiérrez-Fonseca P., Rosas K., Ramírez A.. Aquatic insects of Puerto Rico: a list of families. Dugesiana. 2013;20(2):215-219.
Gutiérrez-Fonseca P., Rosas K., Ramírez A.. Aquatic insects of Puerto Rico: a list of families. Dugesiana. 2013;20(2):215.
Conference Proceedings
Ramírez A., Burgos-Caraballo S, Engman A., Martinez N., Ortíz-Zayas J., Covich A., et al. Urban streams in Puerto Rico: understanding stream ecosystems outside the Luquillo forest. Estes Park, CO; 2009.
Ramírez A.. Undergraduate research training in tropical ecology at the Luquillo LTER, Puerto Rico. Estes Park, CO; 2009.
Ramírez A.. Tropical stream ecology: a diversity of organisms and ecosystems. Jacksonville, FL; 2013.
Rosas K., Gutiérrez-Fonseca P., Ramírez A.. Trophic basis of insect secondary production in a tropical urban river. Louisville, KY; 2012.
Gutiérrez-Fonseca P., Ramírez A.. Temporal variation in benthic macroinvertebrate assemblages in two tropical headwater streams in Costa Rica. Providence, RI; 2011.
Kelly S., Ramírez A.. Subsidies from aquatic to riparian consumers along an urban gradient in a tropical watershed – a stable isotope analysis. Milwaukee, MN; 2015.
Ramírez A., Kelly S.. Subsidies from aquatic to riparian consumers along an urban gradient in a tropical watershed – a stable isotope analysis. Milwaukee, MN; 2015.
Small G., Ardón M., Ramírez A., Duff J., Jackman A., Bixby RJ, et al. Storage, retention and transformations of phosphorus in a lowland neotropical stream during an 8-year phosphorus enrichment experiment. Vol 58th Annual Meeting. New Mexico; 2010.
Kelly S., Cuevas E., Ramírez A.. Stable isotope analysis of web-spinning spiders along a tropical headwater stream in Puerto Rico. Jacksonville, FL; 2013.
Ramírez A., García P, Vázquez-Hurtado G, Novelo-Gutiérrez R.. Riparian forest removal alters the energy basis of montane cloud forest streams in Mexico. Louisville, KY; 2012.
Wagner K., Ramírez A., Rosas K., Seguinot-Barbosa J., Méndez-Lázaro P., Lugo A.. The Río Piedras watershed, Puerto Rico – a highly urbanized and diverse novel ecosystem. New Orleans, LA; 2013.
Gutiérrez-Fonseca P., Ramírez A.. ¿Qué tan estables son los ensamblajes de macroinvertebrados de las quebradas tropicales? . San José, Costa Rica; 2012.
Koenig L., Ramírez A., McDowell WH. Quantifying carbon losses from tropical watersheds: the effects of urbanization on organic and inorganic carbon flux. Portland, OR; 2014.
Koenig L., Ramírez A., McDowell WH. Quantifying carbon losses from tropical watersheds: the effects of urbanization on organic and inorganic carbon flux. Portland, OR; 2014.
Rodríguez N., Ramírez A.. Protocolo de evaluación visual de quebradas para Puerto Rico. Rio Piedras: University de Puerto Rico; 2014.
Macías N., Colón-Gaud JC, Ramírez A., Torres P.. Potential direct and indirect effects of omnivorous shrimps on mayfly naiads in tropical island streams: a laboratory study. Providence, RI; 2011.
Rodriguez-ortiz N., Walteros-Rodríguez J., Ramos C., Ramírez A.. Participative biomonitoring in Latin America: new tools and opportunities. Spain; 2015.
Colón-Gaud JC, Ramírez A., Rosas K., Olaya P.. Organic matter dynamics in tropical island streams: allochthonous inputs, particulate exports and benthic standing stocks. Louisville, KY; 2012.
Ramírez A., Gutiérrez-Fonseca P.. Odonata of Puerto Rico: an updated list and historical records. La Plata, Argentina; 2015.
Martinó-Cardona D., Ramírez A.. Nitrogen-enriched food webs in tropical urban streams, Puerto Rico. San Juan, Puerto Rico; 2011.
Ramírez A., Gutiérrez-Fonseca P., Springer M.. The neotropical damsefly genus Cora: new larval descriptions and a comparative analysis of known species (Zygoptera: Polythoridae). Xalapa, Mexico; 2009.
Gutiérrez-Fonseca P., Ramírez A., J. Ruiz S. Natural history of Telebasis vulnerata (Hagen, 1861) (Zygoptera: Coenagrionidae) in Puerto Rico. La Plata, Argentina; 2015.
Novelo-Gutiérrez R., Vázquez G., Ramírez A.. Mayfly diets on montane cloud forest streams in Mexico. Louisville, KY; 2012.
Wagner K., Ramírez A.. Macroinvertebrate and fish assemblages in a tropical urban watershed, Puerto Rico. Louisville, KY; 2012.
Negroni-Miranda A., Shea C., Torres P., Colón-Gaud JC, Ramírez A.. Macroconsumer effects on stream benthos and organic matter processing in a tropical headwater stream: are shrimps more active at night?. Vol 58th Annual Meeting.; 2010.
Gutiérrez-Fonseca P., Ramírez A.. Long-term patterns of aquatic macroinvertebrate assemblages in lowland neotropical streams. San José, Costa Rica; 2013.
Ramírez A., Gutiérrez-Fonseca P., Pringle C., Ardón M., Small G.. Long-term ecological research in lowland streams in Costa Rica: The importance of groundwater-surface water interactions on ecosystem dynamics. San José, Costa Rica; 2013.
Camilo D., Ramírez A.. Larval Odonata of Mesoamerica and the Caribbean: state of knowledge. La Plata, Argentina; 2015.
Ramírez A., Vázquez G., Novelo-Gutiérrez R.. Land use effects on biodiversity and water quality at la Antigua watershed, Mexico. New Orleans, LA; 2013.
Ramírez A.. Insights from a 25+ year dataset in lowland Costa Rica: Effects of hydrologic connectivity from the mountains to the sea on stream ecosystems of an inland protected area. Baltimore; 2015.
Ramírez A., Pringle C., Small G., Bixby B., Duff J., Ardón M., et al. Insights from a 25+ year dataset in lowland Costa Rica: Effects of hydrologic connectivity from the mountains to the sea on stream ecosystems of an inland protected area. Baltimore; 2015.
Gutiérrez-Fonseca P., Ramírez A.. Insect morphology reflects environmental variability in tropical lowland streams, Costa Rica. Milwaukee, MN; 2015.
Ramírez A.. Improving communication among aquatic researchers in Latin America: the Macrolatinos initiative. Jacksonville, FL; 2013.
Gutiérrez-Fonseca P., Ramírez A.. Importance of long-term sampling in the assessment of tropical stream biodiversity. Louisville, KY; 2012.
Ramírez A.. Impacto del uso de terreno en el funcionamiento de los ecosistema de río. Antioquia, Colombia; 2011.
Ramírez A.. Impacto de la urbanización en los ecosistemas de río: el caso de Puerto Rico. Costa Rica: Universidad de Costa Rica; 2010.
Roy A., Capps K., Jones K., Parr T., Ramírez A., Smith R., et al. Global differences in urbanization and stream ecology: a synthesis. Portland, OR; 2014.
Roy A., Capps K., Jones K., Parr T., Ramírez A., Smith R., et al. Global differences in urbanization and stream ecology: a synthesis. Portland, OR; 2014.
Gutiérrez-Fonseca P., Ramírez A.. Food webs topology and biomass flow in a tropical urban stream. Portland, OR; 2014.
Gutiérrez-Fonseca P., Ramírez A.. Food webs topology and biomass flow in a tropical urban stream. Portland, OR; 2014.
Rosas K., Colón-Gaud JC, Ramírez A., Anderson T. The food web of a tropical island stream. Milwaukee, MN; 2015.
Colón-Gaud JC, Ramírez A.. Feeding preferences and growth of Tallaperla sp. (Plecoptera: Peltoperlidae): a cross-site comparison using tropical and temperate leaves. Vol 58th Annual Meeting.; 2010.
Vázquez B., Ramírez A.. Factors controlling macroinvertebrate assemblages in two streams with contrasting macroconsumer abundances. Milwaukee, MN; 2015.
Burgos-Caraballo S, Ramírez A., Recart W.. Exploring the microbial world: assessing benthic biofilms composition to the response of different nutrient conditions. San Juan, Puerto Rico; 2011.
Ardón M., Duff J., Ramírez A., Small G., Jackman A., Triska F., et al. Experimental acidification of two Neotropical streams illustrates the sensitivity of invertebrate assemblages and importance of bicarbonate buffering. San Juan, Puerto Rico; 2011.
Ramírez A., Gutiérrez-Fonseca P.. Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras. Queretaro, Mexico; 2014.
Ramírez A., Gutiérrez-Fonseca P.. Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras. Queretaro, Mexico; 2014.
Caraballo B., Ramírez A.. Effects of land use on microbial Eukarya diversity in stream benthic biofilms. Universidad del Turabo; 2009.
Engman A., Ramírez A.. The effects of instream habitat and channelization on fish assemblage structure in a tropical urban watershed. San Juan, Puerto Rico; 2011.
Engman A., Ramírez A.. The effects of flow reduction reduced flow on leaf decomposition rates in a tropical urban stream. Vol 58th Annual Meeting.; 2010.
Gutiérrez-Fonseca P., Ramírez A.. Effects of flood disturbance and episodic acidification events on aquatic macroinvertebrates in tropical lowland streams. Jacksonville, FL; 2013.
Sánchez J., Kelly S., Ramírez A.. The effect of urbanization on the web spinning behaviors of riparian orb-weaving spiders. Milwaukee, MN; 2015.
Sánchez J., Kelly S., Ramírez A.. The effect of urbanization on the web spinning behaviors of riparian orb-weaving spiders. Milwaukee, MN; 2015.
Vazquez S., Ramírez A.. Effect of river gobies on benthic periphyton in tropical urban streams, Puerto Rico. Providence, RI; 2011.
Burgos-Caraballo S, Ramírez A.. Do nutrient-rich urban streams have a higher diversity of microbial communities in benthic biofilms?. San Juan, Puerto Rico; 2011.
Martinez N., Ramírez A.. Do macroconsumers play a role in leaf litter breakdown in tropical urban streams? . MI; 2009.
Burgos-Caraballo S, Ramírez A.. Is the diversity and functioning of benthic biofilms affected by watershed land use in tropical streams?. MI; 2009.
Ramírez A.. Disturbance as a key factor in understanding macroinvertebrate assemblage dynamics in neotropical streams. Milwaukee, MN; 2015.
Rosas K., Ramírez A.. Discharge as a driver of macroinvertebrate assemblage structure in urban tropical island streams. Jacksonville, FL; 2013.
Ramírez-Babativa D., Vázquez G., Ramírez A., García-Franco J., Caballero M.. Dinámica metabólica del perifiton de ríos de la cuenca alta del río La Antigua, Veracruz, México. México DF: Universidad Nacional de México; 2014.
Ramírez-Babativa D., Vázquez G., Ramírez A., García-Franco J., Caballero M.. Dinámica metabólica del perifiton de ríos de la cuenca alta del río La Antigua, Veracruz, México. México DF: Universidad Nacional de México; 2014.
Gutiérrez-Fonseca P., Pringle C., Ramírez A.. Dinámica a largo plazo de las variables fisicoquímicas y sus efectos sobre la estructura y composición del ensamblaje de macroinvertebrados en ríos de zonas bajas en Costa Rica. Queretaro, Mexico; 2014.
Gutiérrez-Fonseca P., Pringle C., Ramírez A.. Dinámica a largo plazo de las variables fisicoquímicas y sus efectos sobre la estructura y composición del ensamblaje de macroinvertebrados en ríos de zonas bajas en Costa Rica. Queretaro, Mexico; 2014.
Rosas K., Ramírez A.. Crecimiento y duración del estadio larval de quironómidos y efemerópteros en un río tropical, Puerto Rico. San José, Costa Rica; 2012.
Ganong C., Small G., Duff J., Ardón M., Ramírez A., Triska F., et al. Consequences of climate-driven changes in precipitation: shifts in seasonal pH regime and nutrient concentrations in neotropical rainforest streams. Portland, OR; 2014.
Ganong C., Small G., Duff J., Ardón M., Ramírez A., Triska F., et al. Consequences of climate-driven changes in precipitation: shifts in seasonal pH regime and nutrient concentrations in neotropical rainforest streams. Portland, OR; 2014.
Wagner K., Ramírez A.. Composición y estructura de los ensamblajes de macroinvertebrados de una cuenca tropical urbana en Puerto Rico. San José, Costa Rica; 2012.
Pringle C., Small G., Bixby B., Ramírez A., Duff J., Ardón M., et al. Climate-driven acidification in lowland Neotropical streams: Insights from a 25-year dataset on ground water - surface water interactions. Minneapolis, MN; 2013.
Rosas K., Colón-Gaud JC, Ramírez A.. A case for developing long-term macroinvertebrate assemblage datasets in headwater streams at the LUQ-LTER, Puerto Rico. Portland, OR; 2014.
Rosas K., Colón-Gaud JC, Ramírez A.. A case for developing long-term macroinvertebrate assemblage datasets in headwater streams at the LUQ-LTER, Puerto Rico. Portland, OR; 2014.
McDowell WH, Ramírez A., Potter J., González G.. Carbon losses from tropical watersheds: Quantifying the effects of urbanization on concentrations of organic and inorganic carbon in coastal montane tropical rivers. San José, Costa Rica; 2013.
Ramírez A., Gutiérrez-Fonseca P.. Biodiversity of Odonata of Rio Piedras, an urban area of San Juan, Puerto Rico. La Plata, Argentina; 2015.
Ramírez A., Gutiérrez-Fonseca P., Wagner K., Sánchez J., Rosas K., Vázquez B.. Biodiversidad y Productividad de los Macroinvertebrados Acuáticos de un Río Urbano Tropical, Puerto Rico. Queretaro, Mexico; 2014.
Ramírez A., Gutiérrez-Fonseca P., Wagner K., Sánchez J., Rosas K., Vázquez B.. Biodiversidad y Productividad de los Macroinvertebrados Acuáticos de un Río Urbano Tropical, Puerto Rico. Queretaro, Mexico; 2014.
Burgos-Caraballo S, Ramírez A.. Benthic stream biofilm metabolism along a land use gradient in tropical in Puerto Rico. Vol 58th Annual Meeting.; 2010.
Rosas K., Ramírez A.. Benthic insect assemblage composition and structure of a tropical island urban stream. San Juan, Puerto Rico; 2011.
P. García E, Novelo-Gutiérrez R., Vázquez G., Ramírez A.. Base Energética Alóctona o Autóctona de la red Alimentaria de los Insectos Acuáticos en dos Arroyos de Bosque Nuboso del Centro de Veracruz, México. Queretaro, Mexico; 2014.
P. García E, R. Gutiérrez N, Vázquez G., Ramírez A.. Base Energética Alóctona o Autóctona de la red Alimentaria de los Insectos Acuáticos en dos Arroyos de Bosque Nuboso del Centro de Veracruz, México. Queretaro, Mexico; 2014.
P. García E, R. Gutiérrez N, Ramírez A.. Base Energética Alóctona o Autóctona de la red Alimentaria de los Insectos Acuáticos en dos Arroyos de Bosque Nuboso del Centro de Veracruz, México. Queretaro, Mexico; 2014.
J. Ruiz S, Gutiérrez-Fonseca P., Rosas K., Ramírez A.. Assessing macroinvertebrate growth rates in the Rio Piedras, a tropical urban stream, Puerto Rico. Portland, OR; 2014.
Sánchez-Ruiz J., Gutiérrez-Fonseca P., Rosas K., Ramírez A.. Assessing macroinvertebrate growth rates in the Rio Piedras, a tropical urban stream, Puerto Rico. Portland, OR; 2014.
Ramírez A., Bernard-Flores M.. Aquatic insect diversity along a tropical island stream continuum in Puerto Rico. Vol 58th Annual Meeting.; 2010.
Ramírez A., Gutiérrez-Fonseca P.. Alta similitud interespecífica en larvas de Odonata: el caso de Cora (Polythoridae) y Heteragrion (Megapodagrionidae). San José, Costa Rica; 2012.
R. Gutiérrez N, Ramírez A., Camilo D.. Advances on the larval taxonomy of the genus Epigomphus Hagen, 1854 (Anisoptera: Gomphidae). La Plata, Argentina; 2015.
Rodriguez-ortiz N., Ramírez A.. Adaptación del Protocolo de Evaluación Visual de Quebradas para la Isla Tropical de Puerto Rico: El caso de la Región Noreste. Queretaro, Mexico; 2014.
Ortiz N., Ramírez A.. Adaptación del Protocolo de Evaluación Visual de Quebradas para la Isla Tropical de Puerto Rico: El caso de la Región Noreste. Queretaro, Mexico; 2014.
Ramírez A.. Acidificaciones periódicas en quebradas tropicales en Costa Rica y sus impactos sobre los ensamblajes de macroinvertebrados acuáticos. Antioquia, Colombia; 2011.
Ramírez A.. Acidificaciones periódicas en quebradas de Estacion Biologica La Selva. Universidad de Costa Rica; 2011.
Book Chapter
Ramírez A., Gutiérrez-Fonseca P.. Puerto Rico. In: Alonso-EguíaLis P., Mora J.M., Campbell B., Springer M., editors. 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; 2014.
Ramírez A., Gutiérrez-Fonseca P., Alonso-EguíaLis P., Mora J., Campbell B., Springer M.. Puerto Rico. In: 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; 2014.