Tropical Ecology and Conservation [Monteverde Institute]

Creator

Anne Baptiste

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Publication Date

September 2001

Abstract

Forest habitat in the tropics is being converted at an alarming rate into agricultural lands. The result is loss of global biodiversity at accelerating rates. Butterflies are common indicator species of how biodiversity responds to changing land use. Here butterflies were used to examine the potential impact of different agricultural practices in Monteverde, Costa Rica. Butterflies were trapped in forest, banana, coffee, and pasture. This study found that coffee plantations support significantly greater species diversity (x2 P < 0.005), than banana or pasture. The forest patch was found to support the greatest number of forest dependent species although numbers of these indicator species were comparably high in coffee and banana as well. Forest species were almost absent in pasture and along edge. This suggests that there are crops, which better approximate forest conditions, while drastic land transformations have a large detrimental impact on biodiversity. El hábitat del bosque tropical se esta convirtiendo, a una velocidad alarmante, a uso agrícola. Esta es la causa de la perdida de la biodiversidad mundial. Las mariposas son especies que pueden indicar como la biodiversidad responde a un cambio en el uso de la tierra. Aquí las mariposas fueron usadas para examinar el impacto potencial de los usos agrícolas en el área de Monteverde, Costa Rica. Las mariposas fueron atrapadas en el bosque, plantaciones de bananos, café y un pastizal. Este estudio encontró que el café mantiene una diversidad significativa mas alta (x2 p < 0.005) que el banano o el pastizal. El parche de bosque mantiene el número mayor de especies que necesitan del bosque pero también los números de estas especies indicadoras fueron relativamente altos en el café y los bananos. Las especies del bosque casi no se encontraron en el pastizal y en el borde del bosque. Esto sugiere que hay cultivos que pueden aproximarse a las condiciones de bosque, mientras que en las otras donde hay transformaciones drásticas se presenta un gran impacto en la biodiversidad.

Description

Student affiliation: Department of Biology, Pitzer College Digitized by MVI

Genre

Reports

Holding Location

Monteverde Institute MVI

Identifier

M39-00094

Agricultural land use and butterfly communities

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