Open Access

Table 2

The diversity indices of invertebrates in Baiyangdian Lake; Sob: observed species richness, Shannon: Shannon diversity index, Simpson: Simpson diversity index, Ace: abundance-based coverage estimator, Shannoneven: a Shannon index-based measure of evenness, Simpson even: a Simpson index-based measure of evenness.

Sample Sob Shannon Simpson Ace Shannoneven Simpsoneven
W1 50 2.296 0.152 50.438 0.587 0.132
S1 34 1.804 0.273 37.974 0.512 0.108
W2 51 2.395 0.133 52.304 0.609 0.147
S2 30 1.760 0.259 30.675 0.517 0.129
W3 52 0.987 0.655 61.895 0.250 0.029
S3 30 1.639 0.257 31.007 0.482 0.130
W4 59 2.301 0.144 71.015 0.564 0.117
S4 25 1.787 0.236 27.839 0.555 0.170
W5 61 2.209 0.191 62.661 0.537 0.086
S5 34 2.278 0.129 34.690 0.646 0.227
W-total 3.811 0.119
S-total 2.927 0.206
P value 0.000026 0.5388 0.8204 0.000176 0.6588 0.1291

P value: t-test between the water and sediment samples.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.