sba_crayfish_talk2_web_version_Slide14

Slide 14 of 28

Presentation: Stream Crayfish in Mississippi: Who's Where and Why
Author(s): Dr. Susan Adams

Slide Notes...

Most species are more abundant in smaller streams. P. hayi, while more abundant in streams with small watershed areas, did not avoid deep streams. This is a reflection of its prevalence in and near small reservoirs.

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Slide14 of sba_crayfish_talk2_web_version. Slide text:
Crayfish and reach-scale habitat
PCA and Mantel tests
Crayfish density related only to stream size variables
Correlations: density by sp. vs. stream size
Most species, r < 0
P. vioscai, P. ouachitae no sig. correlation
P. hayi r < 0 with area but not depth