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Upper Midwest Environmental Sciences Center
folder Long Term Resource Monitoring Program
spacer tree Vegetation Data - Graphical Vegetation Database Browser

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Query For Relative Frequency

 

Pool  

 Stratum

Life Form



table of pools and the strata they contain

Note: Pools 5, 7, 12 and Upper Alton were sampled only in 2002
Note: Pool 4, 2003 data does not include backwater isolated and Lake Pepin strata

Relative frequency compares the frequency of one species to all species. It is calculated by dividing the number of occurrences for a single species by the total number of occurrences for all species. It is displayed as a pie chart representing one year.

 

Graphical Vegetation Home Page | About the LTRMP Veg Component | Help Page
Frequency | Abundance Index | Percent Cover | Distribution maps | Species List
Community Composition | Vegetation Species Information | Community Similarity | Diversity Index

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URL: http://www.umesc.usgs.gov/data_library/vegetation/graphical/frequency_query.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified: December 31, 2012