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Help with general analysis / intern
2 months 1 week ago #81
by julleber
Help with general analysis / intern was created by julleber
Dear all,I recently discovered the Fragstats program online and would like to use it for my current project. I am a student completing an internship in Remote Sensing and GIS, and my goal is to conduct a general analysis of habitat fragmentation on an island in Greece. The analysis will not focus on a specific species, but rather on a broader level.From my understanding, Fragstats offers metrics that operate at different levels, and I believe the class level would be the most appropriate for my research. I also plan to use Sentinel-2 satellite imagery as the basis for my analysis. Since edge effects can vary greatly between species, I plan to exclude this aspect from my study.As I am still developing my knowledge of habitat fragmentation, I would greatly appreciate any advice or suggestions you might have regarding specific metrics or considerations that could enhance my analysis.Thank you in advance for your help.Best wishes,
Antonia
Antonia
The following user(s) said Thank You: Ashake2019
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1 month 3 weeks ago #644
by kmcgee
Replied by kmcgee on topic Help with general analysis / intern
This is a difficult question to answer briefly in this forum as most, if not all, of the class level metrics are designed to address different aspects of fragmentation. I don't want to recommend specific metrics since that really depends a lot on the specific objectives and the user and ease of interpretation. However, I would suggest, given your broad interest fragmentation in general, to pick one or two metrics from each group of metrics and then, post-hoc, look for both consistencies and redundancies. In the end, I have found that a minimum of, say, 6 metrics and a maximum of, say, 12 metrics would be useful in the end for such an analysis. Also, I wouldn't dismiss the edge metrics outright. Remember, many of the metrics either directly or indirectly deal with edge effects. You are correct that habitat is a species-specific phenomenon, but that would apply to all habitat fragmentation metrics. Clearly, edge depths for the core area metrics would be difficult to apply without a clear species or ecological process in mind, so that might be the only group that I might dismiss, but even that group could be used with a fixed edge depth to assess the fragmentation from a comparative standpoint. Anyways, just a few thoughts to help you get started, but ultimately there is no short cut around getting familiar with the various metrics before conducting the final analysis.
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