Spatiotemporal Distribution and Assemblages of Fishes below the Lowermost Dam in Protected Reach in the Yangtze River Main Stream: Implications for River Management

Table 1

Parameters of the divided reaches.

Reach ID	Left rank	Right rank	Human activity	Channel geography
1	Revetment	Revetment	Less	Curing
2	Revetment	Mountain	Less	Curing
3	Revetment	Revetment	Less	Straight
4	Revetment	Mountain and riffle	Frequent (II)	Straight
5	Revetment	Revetment	Less	Straight
6	Revetment	Revetment	Less	Straight
7	Revetment and riffle	Revetment and riffle	Frequent (II)	Straight
8	Mountain	Revetment and riffle	Less	Curing
9	Revetment and riffle	Revetment and riffle	Frequent (I)	Straight
10	Revetment	Revetment and riffle	Less	Straight
11	Mountain	Revetment and riffle	Less	Curing
12	Revetment	Revetment and riffle	Less	Straight
13	Revetment	Revetment	Less	Straight
14	Revetment	Revetment	Frequent (I)	Straight
15	Revetment and riffle	Revetment	Less	Curing
16	Revetment and riffle	Mountain	Less	Curing and straight