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Paseo Pantera Project
Preliminary Results of the Analysis of Biological
Corridor Potential in Central America
This paper presents preliminary results of an on-going research project
aimed at identifying a potential network of biological corridors that would
link existing and proposed protected natural areas in Central America.
Based on current theories from the disciplines of landscape ecology and
conservation biology, maintaining or restoring landscape linkages would
contribute to the protection of biological diversity in the region. Funding
was provided by USAID in collaboration with the
Paseo
Pantera Consortium. The specific results presented here are those which
were made possible by the spatial analysis capabilities of ArcInfo GRID
software. The first step in our analysis was the development of a weighted-criteria
suitability model which forms the basis for the creation of alternative
versions of a 'relative cost surface.' In the next step, a resulting cost
surface is used with the GRID 'corridor' function to produce a corridor
potential surface. Finally, a feasability surface is generated by 'clipping'
the suitability surface with those areas that have the greatest corridor
potential. This project demonstrates that although there is great potential
for using the GRID 'corridor' function for this type of research, continued
work on the thoretical basis for the creation of valid 'relative cost surfaces'
is necessary.
Text and graphics: Paseo Pantera Consortium and Brian Evans
January 2, 1997
J. David Lambert, Project Manager
University of Florida Dept. of Urban and Regional Planning
431 Architecture Building
Geoplan Center
Gainesville, FL 32611
Telephone: (904) 392-0997
Fax: (904) 392-7266
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