Biological corridors in Costa Rica: An evaluation applying landscape structure and fragmentation/connectivity index

Authors: Carlos Morera Beita*, National University, Costa Rica
Topics: Biogeography, Environmental Science, Landscape
Keywords: Biological corridor, protected areas, connectivity, Costa Rica
Session Type: Paper
Day: 4/6/2019
Start / End Time: 9:55 AM / 11:35 AM
Room: Jackson, Marriott, Mezzanine Level
Presentation File: No File Uploaded

On the planet, in recent years, biological corridors have improved in response to the accelerated process of fragmentation of natural ecosystems. Costa Rica from the decade of 1990, has initiated a process of implementation of biological corridors as a connectivity strategy for the natural covers, which are located mainly within the protected areas. This article analyzes the biological corridors of Costa Rica from the perspective of area, shape, ecological function and levels of connectivity/fragmentation. The database of the National Program of Biological Corridors is used and is complemented with coverage analysis using Landsat images of 2010 and 2015. It is concluded that the biological corridors in Costa Rica are diverse in areas, forms as ecological function and levels of connectivity/fragmentation. After their establishment, most of the biological corridors have recovered an important part of the natural cover. This same diversity is an adverse element, which needs to be reconsidered because the abundance of biological corridors, evidence a lack of prioritization policy, which is fundamental to consolidate these strategies.

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