Table 4 Changes in the occurrence rates which are defined as the percentage frequency of occurrence in the total number of sampling days of the 9 key protected species before and after the implementation of the fishing ban for the four study reaches, Potou Town (PT), Chishui Town (CZ), Chishui City (CS) and Hejiang County (HJ), in the Chishui River
Species | PT | CZ | CS | HJ | ||||
|---|---|---|---|---|---|---|---|---|
Pre- | Post- | Pre- | Post- | Pre- | Post- | Pre- | Post- | |
A. dabryanus | – | – | – | – | 0.00 | 0.48 | 0.00 | 21.92 |
C. guichenoti | – | – | – | – | – | – | 2.18 | 2.74 |
P. pingi | 12.70 | 11.11 | 0.00 | 4.44 | – | – | – | – |
O. angustistomata | 3.17 | 3.70 | – | – | – | – | – | – |
P. rabaudi | 3.17 | 14.81 | 3.39 | 37.78 | 36.22 | 42.38 | 25.33 | 46.55 |
M. asiaticus | – | – | – | – | 0.00 | 7.62 | 8.30 | 15.07 |
L. elongate | 1.59 | 0.00 | 20.68 | 20.00 | 0.26 | 0.48 | 0.87 | 1.37 |
L. rubrilabris | 0.00 | 0.46 | – | – | – | – | – | – |
E. davidi | 22.22 | 37.04 | – | – | – | – | – | – |