Table 5. Spearman rank correlations among local abundance, environmental volume, habitat occupancy, and regional ranges across over all species (n = 232) and for groups of Spanish montane grassland species based on their ecological breadth, as defined in Table 3. For the overall correlations, "Excluded" indicates species with 100% occupancy deleted (n = 138). Groups are as in Table 3. Correlations that differ significantly from zero (alpha = 0.05) are indicated in boldface. Sample sizes for ecological breadth groups are given in Table 2.

 

 Overall Ecological breadth group
Traits All Excluded WGS WGG MHG G

Abundance-volume

0.41

0.33

0.02

0.40

0.47

0.57

Abundance-occupancy

-0.22

0.20

-0.10

-0.17

-0.18

-0.46

Abundance-regional range

-0.09

-0.12

-0.05

-0.07

0.12

0.16

Abundance-continental range

0.17

0.07

-0.07

0.11

0.15

0.44

Volume-occupancy

-0.75

0.02

-0.86

-0.69

-0.58

-0.83

Volume-regional range

0.24

0.14

0.13

0.05

0.41

0.27

Volume-continental range

0.28

0.14

0.08

-0.09

0.42

0.51

Occupancy-regional range

-0.26

-0.05

-0.40

-0.09

-0.29

-0.29

Occupancy-continental range

-0.24

-0.04

-0.06

0.01

-0.34

-0.42

Regional-continental range

0.46

0.64

0.33

0.35

0.64

0.54