Author Search Results

1

Distribución vertical de zooplancton en El Embalse Arenal, Costa Rica

Distribución vertical de zooplancton en El Embalse Arenal, Costa Rica

by Umaña, Gerardo

Article

2

Asociación planctónica en el Embalse Arenal, Costa Rica

Asociación planctónica en el Embalse Arenal, Costa Rica

by Umaña, Gerardo

Article

3

Ten years of limnological monitoring of a modified natural lake in the tropics : Cota Lake, Costa Rica /

Ten years of limnological monitoring of a modified natural lake in the tropics : Cota Lake, Costa Rica /

by Umaña, Gerardo

Article

4

Ten years of limnological monitoring of a modified natural lake in the tropics : Cote Lake, Costa Rica.

Ten years of limnological monitoring of a modified natural lake in the tropics : Cote Lake, Costa Rica.

by Umaña, Gerardo

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Article

5

Evaluar el desempeño del servicio al cliente que brinda el área de grandes empresas territoriales de la Dirección General de Tributación /

Evaluar el desempeño del servicio al cliente que brinda el área de grandes empresas territoriales de la Dirección General de Tributación /

by Chacón Umaña, Gerardo, Chacón Umaña, Gerardo
Published 2004

Thesis Book

6

Basic limnology of fifty-one lakes in Costa Rica

Basic limnology of fifty-one lakes in Costa Rica

by Horn, Sally

Other Authors: “...Umaña, Gerardo...”

Article

7

Macroinvertebrados dulceacuícolas de la Isla del Coco, Costa Rica : especies y comparación con otras islas del Pacífico Tropical Oriental = Freshwater macroinvertebrates from Cocos Island of the Eastern Tropical Pacific /

Macroinvertebrados dulceacuícolas de la Isla del Coco, Costa Rica : especies y comparación con otras islas del Pacífico Tropical Oriental = Freshwater macroinvertebrates from Co...

Other Authors: “...Umaña, Gerardo...”

Article

8

Biodiversidad e inventario de la naturaleza /

Biodiversidad e inventario de la naturaleza /

Published 2019

Other Authors: “...Umaña, Gerardo,...”

Book