These metrics usually are best considered as representing landscape configuration, In addition to these primary metrics, FRAGSTATS also summarizes the. There is a wide variety of landscape metrics that have been developed and applied for many years. These metrics help us to quantify physical characteristics on. every patch is counted; FRAGSTATS does not sample patches from the . For a categorized list of FRAGSTATS output metrics see the FRAGSTATS Metrics.
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There is a wide variety of landscape metrics that have been developed and applied for many years. These metrics help us to quantify physical characteristics on the ground and connect them to ecological processes. Often landscape metrics act as surrogates for conditions that cannot be directly measured. Typically metrics are calculated for data classed within a specified landscape your extent.
There are metrics that have mwtrics identified that inform about the landscape in its entirety as well as metrics that break down each land cover class within the defined landscape. Fragstats software McGarigal and Marks was one of the first attempts to package many metrics into an organized software so that processing metrics could be more efficiently completed.
Fragstats and Landscape Metrics
An excellent source for information on landscape metrics are the Fragstats webpages and their associated documentation. The Patch Analystfdagstats Esri extension, contains many of the Fragstat metrics.
There is also a stand alone mterics that can be downloaded. Go to the Fragstats webpage. I encourage you to explore it! Familiarize yourself with the details within the metrics.
metrkcs Get to know the different types of metrics e. Skip to main content. Fragstats and Landscape Metrics Print There is a wide variety of landscape metrics that have been developed and applied for many years. Images show examples of how landscape metrics can be used to quantify condition on land surfaces. Riparia, a research Center at Penn State, has been assessing landscape conditions around its more than reference wetland sites.
At the landscape level, metrics are tabulated from within a 1 km radius circle vragstats each site. Example metrics are shown here. The image on the bottom depicts one way to assess landscape cohesion. Using a moving window focal function, values were assigned to each pixel tabulating the percent of forested pixels within 1 km circle around that pixel.
Fragstats and Landscape Metrics | GEOG Conservation GIS
This is one method to help show where forest habitat corridors might be located. Graphic helps to illustrate how landscape metrics can be used to understand environmental condition and establish thresholds of change.
Do Go to the Fragstats webpage.