Freshwater mussel records collected by the Maryland Department of ...
Freshwater mussel records collected by the Maryland Department of ...
Freshwater mussel records collected by the Maryland Department of ...
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Figure 19. continued<br />
A<br />
P<br />
A<br />
P<br />
A<br />
P<br />
0 20 40 60 80 100<br />
% Urban<br />
0 20 40 60 80 100<br />
% Agriculture<br />
0 20 40 60 80 100<br />
% Forest<br />
p = 0.004 p = 0.09<br />
p = 0.002<br />
p = 0.12<br />
45<br />
A<br />
P<br />
A<br />
P<br />
A<br />
P<br />
0 10 20 30 40<br />
% Impervious Surface<br />
p = 0.02<br />
0 5000 10000 15000 20000 25000 30000<br />
Catchment Acreage<br />
p = 0.001<br />
0.0 0.2 0.4 0.6 0.8 1.0<br />
Gradient (% slope)