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Picture of Avian Diversity in the Agroscapes of Nicaragua's Northern Highlands
IITF-2012-02
Avian Diversity in the Agroscapes of Nicaragua's Northern Highlands

Title: Diversidad de aves en agropaisajes en la region norte de Nicaragua

Author: Arendt, Wayne J.; Tórrez, Marvin; Vílchez, Sergio.

Date: 2012

Source: Ornitología Neotropical. 23:113-131

Publication Series: Scientific Journal (JRNL)

Description: Avian diversity in agroscapes in Nicaragua’s north highlands. – Nicaragua’s highland forests are threatened by continual wood extraction and encroaching agriculture. Still, the effects of forest loss and fragmentation on avian communities remain little known. We used fixed-width point counts (distance sampling: 4843 detections during 86 h of observation) to characterize bird assemblages in agroforestry systems under five land uses (secondary and riparian forest, forest fallow, coffee plantations, and ‘open lands’, e.g., grass- and pasturelands with scattered trees) in three landscapes of Nicaragua highlands. Land use differences were significant: species richness and abundance were higher in coffee plantations and forest fallows, whereas disturbance-sensitive species were more abundant in secondary and riparian forest. Species and foraging guilds characteristic of closed-canopy forest were found in coffee plantations, but only at points near forest remnants.

Keywords: avian diversity, cloud forest, coffee plantations, conservation, forest edge, landscape, Nicaragua

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Citation:


Arendt, Wayne J.; Tórrez, Marvin; Vílchez, Sergio. 2012. Diversidad de aves en agropaisajes en la region norte de Nicaragua. Ornitología Neotropical. 23:113-131.

 


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