Biblio

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Rust JH. Tenth Oak Ridge Regional Symposium, University of Puerto Rico, San Juan, Puerto Rico January 25, 1957.; 1957.
Rushford F. An Examination of Program Objective.; 1964.
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.
Ruiz A., Raizada S., Tepley C., Zurcher F., Venero-Velez IM, Mayol-Bracero O.. Aerosol Optical Thickness in the Presence and Absence of African Dust using AERONET and Microtops II Sunphotometers. San Francisco, Calif.; 2011.
Ruiz C., Roberson L.. PRCEN Education and Outreach. San Juan, Puerto Rico; 2015.
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.
Rosso R. North West Coast Power Plant Quality Assurance Manual. CEER; 1980.
Rosas K., Ramírez A.. Discharge as a driver of macroinvertebrate assemblage structure in urban tropical island streams. Jacksonville, FL; 2013.
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.
Rosas K., Colón-Gaud JC, Ramírez A., Anderson T. The food web of a tropical island stream. Milwaukee, MN; 2015.
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., Gutiérrez-Fonseca P., Ramírez A.. Trophic basis of insect secondary production in a tropical urban river. Louisville, KY; 2012.
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., Ramírez A.. Benthic insect assemblage composition and structure of a tropical island urban stream. San Juan, Puerto Rico; 2011.
Rosario-Rodriguez K., Martínez-Morales E., Gervais G.. Biogas yield and composition of bench scale anaerobic digesters fed with marine macroalgae under saline conditions. Universidad del Turabo, Caguas, PR; 2013.
H Román L. Conservación de Energía en Puerto Rico: Análisis Teórico-Empírico de Corto Plazo para el caso de Electricidad.; 1985.
Rojas-Sandoval J., Melendez-Ackerman EJ, Fumero-Caban J., García-Bermúdez M., Sustache J., Aragón S., et al. Effects of hurricane disturbance and feral goat herbivory on the structure of a Caribbean dry forest. Journal of Vegetation Science. 2014;25:1069-1077.
Rojas-Sandoval J., Melendez-Ackerman EJ, Fernández D.. Plant community dynamics of a tropical semi-arid system following experimental removals of an exotic grass. Applied Vegetation Science. 2012.
Rojas-Sandoval J., Melendez-Ackerman EJ. Avances sobre la historia natural de Harrisia portoricensis. Boletín de la Sociedad Latinoamericana y del Caribe de Cactáceas y otras Suculentas. 2009;6:27-29.
Rojas-Sandoval J., Melendez-Ackerman EJ. Natural History of the Threatened cactus Species Harrisia portoriscensis: A General Update and Specific Recommendations for Management and Conservation. Caribbean Journal of Science . 2013.
Rojas-Sandoval J., Melendez-Ackerman EJ. Reproductive phenology of the Caribbean cactus Harrisia portoricensis: rainfall and temperature associations. Botany. 2011;89:861-871.
Rojas-Sandoval J., Melendez-Ackerman EJ. Factors Affecting Seed Germination and seedling establishment of Harrisia portoricensis (Cactaceae). Revista de Biología Tropical. 2012;60(2):867-879.
Rojas-Sandoval J., Melendez-Ackerman EJ. Population dynamics of a threatened cactus species: general assessment and effects of matrix dimensionality. Population Ecology. 2013;55(479-491).
Rojas-Sandoval J., Melendez-Ackerman EJ. Wind-facilitated pollination in Harrisia portorriscensis (cactaceae): A mechanism of reproductive assurance. International Journal of reproductive Biology. 2011;3:1-5.
Rojas-Sandoval J., Melendez-Ackerman EJ, Fumero-Caban J., García-Bermúdez M., Sustache J., Aragón S., et al. Effects of hurricane disturbance and feral goat herbivory on the structure of a Caribbean dry forest. San Juan, PR: Conservatorio de Música de Puerto Rico, ; 2014.
Rojas-Sandoval J., Melendez-Ackerman EJ, Fumero-Caban J., García-Bermúdez M., Sustache J., Aragón S., et al. 10-year assessment of ungulates exclusion in the dry forest of Mona Island: understory vegetation responses. Caribbean Naturalist. In Press.
Rojas-Sandoval J., Melendez-Ackerman EJ, Fernández D.. Vegetation community dynamics of a tropical semi-arid system following experimental removals of an exotic grass.; 2011.
Rojas-Sandoval J., Melendez-Ackerman EJ. Effects of an invasive grass on the demography of the caribbean cactus harrisia portoricensis. Acta Oecologica. 2012;41:30-38.
Rojas-Sandoval J., Melendez-Ackerman EJ. Pollination biology of Harrisia portoricensis (Cactaceae), an endangered Caribbean species. American Journal of Botany. 2009;96:1-9.
Rojas-Sandoval J., Melendez-Ackerman EJ. Spatial patterns of distribution and abundance of Harrisia portoricensis, an endangered Caribbean cactus. J Plant Ecol . 2013;6:489-498.
Rojas N., Melendez-Ackerman EJ. Arthropod diversity in caves with moderate and high anthropogenic presence. San Juan, PR; 2009.
Rojas H, J Caabro S. Guayanilla- Tallaboa Rays Plankton Survey.; 1979.
Rodriguez-Santos A., Quinones N., Melendez J., Roberson L., Gervais G.. Exploring the regulatory and technical viability of a hypothetical macroalgal mariculture operation in Puerto Rico. UPR Carolina Campus; 2012.
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.
Rodriguez-ortiz N., Walteros-Rodríguez J., Ramos C., Ramírez A.. Participative biomonitoring in Latin America: new tools and opportunities. Spain; 2015.
Rodríguez N., Ramírez A.. Protocolo de evaluación visual de quebradas para Puerto Rico. Río Piedras: Universidad de Puerto Rico; 2014.
Rodríguez E. Estudio de los niveles de PB, CD y Ni en el suelo y la vegetació adyacentes a algunas carreteras de Puerto Rico (MS Thesis).; 1980.
Rodríguez N., Ramírez A.. Protocolo de evaluación visual de quebradas para Puerto Rico. Rio Piedras: University de Puerto Rico; 2014.
Rodríguez H. Upgrading Sugar Factory Operations for Improved Energy Utilization.; 1981.
Rodríguez N, Block AM. Microbial Succession of Sludge Composting: Grant Requested to United States Environmental Protection Agency.; 1979.
Roberson L., Sánchez-García MJ, García-Robles F.. Water quality in the San Juan Bay Estuary from 2011 to 2015. Rio Piedras: UPR; 2015.
Roberson L.. The Educational Initiative for a Sustainable Future at UPR. University of Illinois-Urbana-Champagne; 2011.
Roberson L., Angulo M.. Targeting first year students to increase use of student services. Los Angeles, CA; 2014.
Roberson L., Rodríguez R., Ruiz-Diaz C., C. Ramos G. Coral community characterization in La Parguera, Puerto Rico.; 2015.
Roberson L.. Panel on emerging issues in water quality. San Juan, PR: UPR Río Piedras; 2013.
Roberson L.. Impact of environmental conditions on algal productivity, co-products and production of biofuel. San Juan, PR: UPR Río Piedras; 2014.
Roberson L., Diaz L., Pérez X., Robles I., Santiago V.. Comparison of QuEChERS and Soxhlet Methods for Extraction of Contaminants (presented by V. Santiago). Washington, D.C.; In Press.
Roberson L., Diaz L.. Impact of emerging contaminants on marine macroalgae. New Orleans, LA; 2013.
Roberson L., Rodríguez R., Ruiz-Diaz C., C. Ramos G. Coral community characterization in La Parguera, Puerto Rico. Río Piedras: UPR; 2015.
Roberson L., Rosenthal J.. A comparative transcriptomics approach to understanding calcification in corals. Honolulu, HI; 2014.
Roberson L., Diaz L., Pérez X., Ruiz-Diaz C., Rodríguez-Hernández A., Duquesne-Maldonado Y., et al. Annual Variation in Persistent Organic Compounds in the San Juan Bay Estuary.; 2015.
Roberson L.. The role of environmental neuroscience in understanding and detecting impacts of emerging contaminants. San Juan, PR: UPR Río Piedras; 2013.
Roberson L., Diaz L., Ruiz C., Rodriguez A., Santiago V.. Annual variation in persistent organic compounds in the San Juan Bay Estuary. Río Piedras: UPR; 2015.
Roberson L.. General Science Session Moderator. PR: UPR Río Piedras; 2014.
Roberson L., Diaz L., Pérez X., Ruiz-Diaz C., Rodríguez-Hernández A., Duquesne-Maldonado Y., et al. Annual Variation in Persistent Organic Compounds in the San Juan Bay Estuary. Río Piedras: UPR; 2015.
Roberson L.. Use of macroalgal biomass for production of biofuels. UPR Río Piedras, San Juan, PR; 2012.
Roberson L., Diaz-Vazquez L., Zottoli S., Sánchez-García MJ. Estuarine fishes as bio-indicator for changes in environmental conditions and emerging contaminants.; 2015.
Roberson L.. Ongoing studies on local water quality in Puerto Rico. Ponce, PR; 2013.
Roberson L., Diaz L., Ruiz C., Rodriguez A., Rivera I.. Annual variation in the presence of contaminants of emerging concern in the San Juan Bay estuary. Rio Piedras: UPR; 2015.
Roberson L.. Contaminants of Emerging Concern in San Juan Bay Estuary and impacts on associated organisms. PR: UPR Río Piedras; 2014.
Roberson L., Diaz-Vazquez L., Rodriguez A.. Uptake of contaminants of emerging concern in the blue crab, Callinectes sapidus.; 2015.
Roberson L.. Use of marine algal biomass for biofuel production. Rutgers University, New Jersey; 2012.
Roberson L., Arana V., Martinez N.. Impact of thermal stress in Photosynthesis and Growth on the adult and larvae stages in Porites astreoides.; 2015.
Roberson L.. The Educational Initiative for a Sustainable Future at UPR. San Juan, PR: UPR Río Piedras; 2013.
Roberson L., Diaz L., Ruiz C., Rodriguez A., Duquesne-Maldonado Y.. Annual variation in the presence and distribution of phthalates in the San Juan Bay estuary. Rio Piedras: UPR; 2015.
Roberson L.. Effects of water quality on seagrass community productivity and biodiversity. Mobile, AL; 2011.
Roberson L., Rosenthal J.. A comparative transcriptomics approach to understanding calcification in corals. San Juan, PR: Hotel El Convento; 2014.
Roberson L., Sánchez-García MJ, García-Robles F.. Water quality in the San Juan Bay Estuary from 2011 to 2015.; 2015.
Roberson L.. The role of environmental neuroscience in understanding and detecting impacts of emerging contaminants. San Juan, PR: Department of Natural and Environmental Resources; 2013.
Roberson L., Rosenthal J.. A mechanistic understanding of calcification in corals. Woods Hole, MA; 2012.
Roberson L.. Moderator, Forum: UPR – Towards Sustainability. San Juan, PR: UPR Rio Piedras ; 2013.
Rivera H., Ogren J., Sheridan P., Mayol-Bracero O.. Physical and Radiative Properties of Aerosol Particles across the Caribbean Basin: A Comparison between Clean and Perturbed African Dust and Volcanic Ash Air Masses.; 2009.
Rivera H., Ogren J., Mayol-Bracero O., Sheridan P.. Physical and Radiative Properties of Aerosol Particles across the Caribbean Basin: A Comparison between the Clean and Perturbed African Dust and volcanic Volcanic Ash Air Masses. San Juan, Puerto Rico; 2009.
Rivera H., Ogren J., Andrews E., Sheridan P., Carrion A., Mayol-Bracero O.. Variability of Aerosol’s Optical, Physical and Chemical Properties of Marine, African Dust and Volcanic Ash Air Masses in the Eastern Caribbean. Bayamón, Puerto Rico; 2011.
Rice RD, Owen G. Changes in Diel Primary Production in Joyuda Lagoon on July 7 and 8, 1983.; 1983.
Reyes-Torres LJ. Life history, phenology and role in organic matter processing of P. pulchrus in the streams of Puerto Rico. Puerto Rico; 2015.
Reyes-Torres LJ. The role of Phylloicus pulchrus (Trichoptera: Calamoceratidae) in the decomposition of leaf litter: evaluating leaf species and case building effects. In: Society for Freshwater Science 2015 Annual Meeting. Milwaukee, Wisconsin, USA; 2015.
Reyes-Torres LJ. The role of Phylloicus pulchrus (Trichoptera: Calamoceratidae) in the decomposition of leaf litter: evaluating leaf species and case building effects. In: Junior Technical Meeting (JTM) and the Puerto Rico Interdisciplinary Meeting (PRISM). Puerto Rico; 2015.
Rejou-Mechain M., Muller-Landau H., Detto M., Thomas S., Le Toan T., Saatchi S., et al. Local spatial structure of forest biomass and its consequences for remote sensing of carbon stocks. Biogeosciences. 2014;11(23):6827-6840.
Rejou-Mechain M., Muller-Landau H., Detto M., Zimmerman JK. Local spatial structure of forest biomass and its consequences for remote sensing of carbon stocks. BIOGEOSCIENCES. 2014;11(23):6827-6840.
Redo D., Mitchell-Aide T, Clark ML, Andrade-Núñez MJ. Impacts of internal and external policies on land change in Uruguay, 2001 - 2009. Environmental Conservation. 2012;39:122-131.
Rebadeneira FJ. The PRNC program at the US Atomic energy commission Atoms in Action Exhibits.; 1968.
Rebadeneira FJ, Canoy MJ. Toxic in the Atmosphere.; 1975.
Reagan DP, Zucca C. Inventory of the Puertorrican Boa (Epicrates Inornatus) in the Caribbean National Forest.; 1982.
Reagan DP, Garrison RW, Martinez JR, Waide RB, Zucca CP. Tropical Rain Forest Cycling and Transport Program (Phase I Report).; 1982.
Ramsey M. An assessment of residents’ satisfaction and short-term visions for urban yards in San Juan, Puerto Rico. In: International Association of Landscape Ecology Conference. London, UK; 2014.
Ramsey M. Social-ecological dynamics of flooding within an urban, subtropical watershed: The development of an interdisciplinary research question. In: Department of Environmental Sciences Undergraduate Department Seminar. University of Puerto Rico, Rio Piedras Campus; 2014.
Ramsey M. Socio-Environmental Synthesis Center (SESYNC) Data Computation Workshop. Annapolis, Maryland, USA; 2014.
Ramsey M. Transforming Institutions and Urban Social-Ecological Systems for Sustainable Flood Management.; 2014.
Ramos-Santiago LE, Villanueva-Cubero L, Santiago-Acevedo LE, Rodriguez-Meléndez Y. Green Area Loss in San Juan’s Suburban Neighborhoods: Estimation Methods, Environmental Consequences, and Preliminary Identification of Precipitating Factors and Process. Ecology and Society. 2014.
Ramos-Santiago LE, Villanueva-Cubero L, Santiago-Acevedo LE, Rodriguez-Melendez YN. Green area loss in San Juan's inner-ring suburban neighborhoods: a multidisciplinary approach to analyzing green/gray area dynamics. Vol 19.; 2014.
Ramos-Santiago L., Villanueva-Cubero L, Santiago-Acevedo L., Rodriguez-Melendez Y.. Green Area Loss in San Juan’s Suburban Neighborhoods: Estimation Methods, Environmental Consequences, and Preliminary Identification of Precipitating Factors and Process. Ecology and Society. 2014.
Ramos-Santiago L., L. Cubero V, Verdejo-Ortiz J., Santiago-Bartolomei R., Santiago L., Rodriguez-Melendez Y.. Green area loss in San Juan's inner-ring suburban neighborhoods: a multdisciplinary approach to analyzing green/gray area dynamics. Ecology and Society. 2014;19(2):4.
Ramos-Pérez CR, C Sánchez G, McDowell WH. The influence of the marine environment in the precipitation chemistry of a tropical rainforest.; 1985.
Ramos-González O.. The green areas of San Juan. Ecology and Society. In Press.
Ramos-González OM. The green areas of San Juan, Puerto Rico. Ecology and Society. 2014;19(3).
Ramos CG. Evaluation Survey of Culebra Project.; 1982.
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.
Ramírez A.. Impacto del uso de terreno en el funcionamiento de los ecosistema de río. Antioquia, Colombia; 2011.
Ramírez A., Gutiérrez-Fonseca P.. Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras. Queretaro, Mexico; 2014.
Ramírez A.. Métodos de recolección. Biología Tropical. 2010;58(4):41-50.
Ramírez A., Gutiérrez-Fonseca P.. Odonata of Puerto Rico: an updated list and historical records. La Plata, Argentina; 2015.
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., 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.
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.. Improving communication among aquatic researchers in Latin America: the Macrolatinos initiative. Jacksonville, FL; 2013.
Ramírez A.. Acidificaciones periódicas en quebradas tropicales en Costa Rica y sus impactos sobre los ensamblajes de macroinvertebrados acuáticos. Antioquia, Colombia; 2011.
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., 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., Ardón M., Douglas M., Graça M.. Tropical freshwater sciences: an overview of ongoing tropical research. Freshwater Science. 2015;34(2):606-608.
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., Ardón M., Douglas M., Graça M.. Tropical freshwater sciences: an overview of ongoing tropical research. Freshwater Sciences . 2015;34(2):606-608.
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.
Ramírez A.. Disturbance as a key factor in understanding macroinvertebrate assemblage dynamics in neotropical streams. Milwaukee, MN; 2015.
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.. Tropical stream ecology: a diversity of organisms and ecosystems. Jacksonville, FL; 2013.
Ramírez A.. Acidificaciones periódicas en quebradas de Estacion Biologica La Selva. Universidad de Costa Rica; 2011.
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., 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.. Revista de Biologia Tropical. Odonata. 2010;58(4):97-136.
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.. Undergraduate research training in tropical ecology at the Luquillo LTER, Puerto Rico. Estes Park, CO; 2009.
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.
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., 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.
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., 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., 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., 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.
Ramírez A., Bernard-Flores M.. Aquatic insect diversity along a tropical island stream continuum in Puerto Rico. Vol 58th Annual Meeting.; 2010.
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.
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., 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.
Ramírez A.. Métodos de recolección. Revista de Biologia Tropical. 2010;58(4):41-50.
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., Springer M.. The neotropical damsefly genus Cora: new larval descriptions and a comparative analysis of known species (Zygoptera: Polythoridae). Xalapa, Mexico; 2009.
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., 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.. Estudios sobre macroinvertebrados acuáticos en América Latina: avances recientes y direcciones futuras. Queretaro, Mexico; 2014.
Ramírez A.. Odonata. Biología Tropical. 2010;58(4):97-136.
Ramírez A.. Impacto de la urbanización en los ecosistemas de río: el caso de Puerto Rico. Costa Rica: Universidad de Costa Rica; 2010.
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.
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.. Alta similitud interespecífica en larvas de Odonata: el caso de Cora (Polythoridae) y Heteragrion (Megapodagrionidae). San José, Costa Rica; 2012.
Ramírez A., Springer M., Hanson P.. Introducción a los grupos de macroinvertebradosacuáticos. Revista de Biologia Tropical. 2010;58(4):3-37.
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.