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Gerardo Umaña‐Villalobos

Observed names: GERARDO UMAÑA-VILLALOBOS, Gerardo Umaña Villalobos, Gerardo Umaña-Villalobos, Gerardo Umaña-villalobos, Umaña-Villalobos, Gerardo
ORCID: 0000-0003-0751-5587
Observed ORCID: 0000-0003-0751-5587
OpenAlex ID: A5002833652
An analysis of river fragmentation by dams and river dewatering in Costa Rica
2020 · Aldo Farah‐Pérez, Gerardo Umaña‐Villalobos, et al. · River Research and Applications · 17
Downstream effects of hydropower production on aquatic macroinvertebrate assemblages in two rivers in Costa Rica
2014 · Ramsa Chaves-Ulloa, Gerardo Umaña-Villalobos, et al. · Revista de Biología Tropical · 14
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Temporal variation of phytoplankton in a small tropical crater lake, Costa Rica
2010 · Gerardo Umaña-Villalobos · Revista de Biología Tropical · 10
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Plankton variations in Lake Cote, Costa Rica, from 2002 to 2018
2020 · Gerardo Umaña-Villalobos, Lidia Avilés-Vargas · Hydrobiologia · 9
Seasonal variation, physicochemical and hydrological characteristics that influence aquatic macroinvertebrates, in a tropical river
2020 · Francisco Quesada-Alvarado, Gerardo Umaña Villalobos, et al. · Revista de Biología Tropical · 9
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Classification of aquatic macroinvertebrates in flow categories for the adjustment of the LIFE Index to Costa Rican rivers
2020 · Francisco Quesada-Alvarado, Gerardo Umaña-Villalobos, et al. · Ecohydrology & Hydrobiology · 9
Fish assemblages and their ecological traits along an elevational gradient in the Río Pacuare, Costa Rica
2018 · Jorge Picado Barboza, Gerardo Umaña Villalobos · Revista de Biología Tropical · 9
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Variabilidad del fitoplancton en el lago Fraijanes, Costa Rica, en respuesta a la variación local del clima
2014 · Gerardo Umaña-Villalobos · Revista de Biología Tropical · 8
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Distribution of Agonostomus monticola and Brycon behreae in the Río Grande de Térraba, Costa Rica and relations with water flow
2010 · Thiago Cotta Ribeiro, Gerardo Umaña Villalobos · Neotropical Ichthyology · 8
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Variación ambiental en el río Grande de Térraba y algunos de sus afluentes, Pacífico sur de Costa Rica
2006 · Gerardo Umaña‐Villalobos, Mónika Springer · Americanae (AECID Library) · 8
Basic limnology of Lago Bonilla, a Tropical lowland lake
1997 · Gerardo Umaña‐Villalobos · Americanae (AECID Library) · 7
First insights into the prokaryotic community structure of Lake Cote, Costa Rica: Influence on nutrient cycling
2022 · Laura Brenes-Guillén, Daniela Vidaurre-Barahona, et al. · Frontiers in Microbiology · 6
Invertebrados bentónicos del Lago Cote, Costa Rica
2008 · Jeffrey A. Sibaja-Cordero, Gerardo Umaña‐Villalobos · Americanae (AECID Library) · 6
Mountain Bogs of Costa Rica
2025 · Gerardo Avalos, Rafael Acuña‐Castillo, et al. · 5
Current knowledge concerning distribution of freshwater planktonic, littoral and benthic Rotifera and microcrustacea (Cladocera, Copepoda and Ostracoda) in Central America and the Caribbean
2023 · Gerardo Umaña-Villalobos, Sharon van Tuylen, et al. · Limnologica · 5
The fishes from the Coto River basin, Pacific coast, Costa Rica
2020 · ARTURO ANGULO, JORGE SAN GIL-LEÓN, et al. · Zootaxa · 5
Tolerancia de diez especies de diatomeas (Bacillariophyceae) a los factores físico-químicos del agua en el Río Sarapiquí, Costa Rica
2016 · Edwin Céspedes Vargas, Gerardo Umaña Villalobos, et al. · Revista de Biología Tropical · 5
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Plankton variation in Río Cuarto Lake, Costa Rica (2013-2017)
2019 · Gerardo Umaña Villalobos · Revista de Biología Tropical · 4
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Zooplankton variation in Fraijanes Lake (Costa Rica) during the course of one year
2018 · Gerardo Umaña-Villalobos, Lidia Avilés-Vargas, et al. · Revista de Biología Tropical · 4
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Ciclo anual de estratificación y circulación en el Embalse Arenal, Costa Rica
2006 · Gerardo Umaña‐Villalobos · Americanae (AECID Library) · 4
Phytoplankton species diversity of 27 lakes and ponds of Costa Rica (Central America)
1985 · Gerardo Umaña‐Villalobos · 4
Current knowledge concerning distribution of freshwater planktonic, littoral and benthic Rotifera and microcrustacea (Cladocera, Copepoda and Ostracoda) in Central America and the Caribbean
2023 · Gerardo Umaña-Villalobos, Sharon van Tuylen, et al. · Limnologica · 3
Weekly dynamics in Lake Bonilla over the course of one year
2016 · Gerardo Umaña Villalobos · Revista de Biología Tropical · 2
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Nitrogen and phosphorus limitation in Lakes Bonilla and Bonillita, Costa Rica
2002 · Richard R. Petersen, Gerardo Umaña Villalobos · SIL Proceedings 1922-2010 · 2
Lakes in Costa Rica
2024 · Sally P. Horn, Gerardo Umaña-Villalobos, et al. · World geomorphological landscapes · 1
Works count: 52
Citation count: 166
H-index: 8
I10-index: 3
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