The diversity of bird species in a given area is related to plant diversity, as measured by variation in foliage heighi.5 as well as the variety of flora. Below are indices measured on those two traits for 13 desert-type habitats (113).
|
Area
|
Plant Cover Diversity, x;
|
Bird Species Diversity, YI
|
|
1
|
0.90
|
1.80
|
|
2
|
0.76
|
1.36
|
|
3
|
1.67
|
2.92
|
|
4
|
1.44
|
261
|
|
5
|
0.20
|
0.42
|
|
6
|
0.16
|
0.49
|
|
7
|
1.12
|
1.90
|
|
8
|
1.04
|
2.38
|
|
9
|
0.48
|
1.24
|
|
10
|
133
|
2.80
|
|
11
|
1.10
|
241
|
|
12
|
1.56
|
2.80
|
|
13
|
1.15
|
2.16
|