Open Access

Table 3

Results of forward selection analysis.

Variables   F ratio Probability
Geographic E 8.072 0.001*
Alt 3.584 0.001*
N 2.483 0.016*
Water parameters pH 1.894 0.335
T°C_w 2.375 0.126
T°C_s 1.734 0.254
Substrate SAN 2.873 0.010*
ROC 2.733 0.040*
GRA 1.742 0.270
CLA 2.234 0.172
STO 1.302 0.166
ANM 1.352 0.110
Vegetation MOS 3.122 0.028*
ALG 2.172 0.440
MCP 1.857 0.265
Habitat N/M 3.654 0.001*
TOS 2.757 0.004*

Abbreviations: E – longitude (Eastward); Alt – altitude; N – latitude (Northward); pH – acidity; T°C_w – winter temperature; T°C_s – summer temperature; SAN – sand; ROC – rocks; GRA – gravel; CLA – clay; STO – stones; ANM – anoxic mud; MOS – mosses; ALG – algae; MCP – macrophytes; N/M – natural/modified springs; TOS – types of springs.

Asterisk (*) denotes parameters with statistically significant effects on the variability of the analyzed leech communities.

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.