Fall Semester 2002
Wednesday, November 13, 2002
Edwin Castellanos,
Director, Centro de Estudios Ambientales, Universidad del Valle de Guatemala,
"Using Remote Sensing to Examine the Performance of Decentralized Forest
Management Practices in Guatemala."
Abstract
The research presented in this talk is part of an effort to understand
the role of decentralized forest management policies implemented in
Guatemala through a novel Forestry Law passed in 1996. We are currently
generating data on the dynamics of forest cover in 100 municipalities
randomly selected in Guatemala. The mayors in these municipalities were
surveyed to examine the overall effort made during their term to manage
and monitor the status of the forest in their municipalities. The
responses from these mayors will be contrasted with actual forest cover
data for each municipality derived from the analysis of Landsat TM
images for the years 1991, 1996, and 2001.
The presentation will focus on the procedures and problems encountered
during the processing of the images to derive the forest cover data. It
will discuss some initial results, including the first forest cover map
for Guatemala (year 2001) completed at the scale of 1:50,000 through
supervised classification of satellite images. It will also discuss
some interesting forest cover dynamics observed in selected
municipalities for the period 1991-2001.
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Thursday, December 5, 2002
Simon Levin,
Moffett Professor of Biology, Department of Ecology and Evolutionary Biology, Princeton University,
"The Evolution and Management of Resiliency in Complex Adaptive Systems"
Abstract
One of the fundamental challenges in the study of complex adaptive
systems is in the understanding of the relationship between macroscopic
features, such as resiliency, and microscopic interactions. I will
discuss the features that lead to resiliency in any system, and then
place the issue within an evolutionary context. In particular, complex
adaptive systems differ in fundamental ways from designed ones, and this
has implications for our management of those systems. I will use as
case studies ecosystems and the biosphere, prototypical complex adaptive
systems, and derive principles for the management of complex adaptive
systems in general.
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Last Updated: May 11, 2005
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