Potential Effects of the Loss of Native Grasses on Grassland Invertebrate Diversity in Southeastern Australia
Table 3
(a) Fisher’s alpha indices of diversity for each sampling area in each sampling period or combination of periods. (b) Results of Student’s -tests indicating where significant differences occurred and, if so, which area had the larger alpha.
(a)
Sampling period(s)
Sampling area
EP
EA
WP
WA
February 2007
20.9
12.1
28.6
16.7
July 2007
12.7
9.7
11.6
7.7
October 2007
41.0
33.6
36.2
45.4
February 2008
20.4
16.0
22.7
17.9
2007 (3 periods)
52.6
38.3
44.4
48.0
February 2007 and 2008
28.2
18.5
32.6
26.4
(b)
Sampling period(s)
Paired comparisons of sampling areas An area name within a cell indicates that its alpha was significantly largera
EP versus EA
EP versus WP
EP versus WA
EA versus WP
EA versus WA
WP versus WA
February 2007
EP
WP
WP
WA
WP
July 2007
October 2007
WA
February 2008
EP
WP
2007 (3 periods)
EP
EP
WA
February 2007 and 2008
EP
WP
WA
WP
A significant difference at the 0.05, 0.01, and 0.001 probability level, respectively.
