Ecological migration index

(1) gully erosion, fragmentation (1) water erosion (1)

(2) The middle reaches of the river have a large drop and the current is fast; In the lower reaches of the

(1) gully erosion, fragmentation (1) water erosion (1)

(2) The middle reaches of the river have a large drop and the current is fast; In the lower reaches of the river, sediment deposition is serious; In monsoon climate area, the river runoff changes greatly in season, and the flow in winter and spring is small; There is icing in winter and spring (some river sections are blocked by ice).

(3) Coal, natural gas, water and electricity (oil). (Answer any 2 points) Ways: develop coal and natural gas (petroleum) chemical industry; Vigorously develop railway, highway and pipeline transportation and increase the external transportation of coal and natural gas; Build hydropower stations and pithead power stations to realize power transmission from west to east. (Other reasonable answers can be graded as appropriate)?

(4) Soil erosion? Population control; Adjust the agricultural industrial structure and return farmland to forest and grassland; Do a good job in small watershed management; Do a good job in vegetation restoration in mining areas; Carry out ecological migration and so on.

(Answer any 3 points, other reasonable answers can be scored as appropriate. )

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