The correct response regarding the environmental effect of building dams is "weed growth downstream." Dams can alter water flow and sediment transport, which can lead to changes in the ecosystem downstream, including increased nutrient availability that may promote weed growth.
Which change is an environmental effect of building dams?
Responses
soil erosion upstream
soil erosion upstream - incorrect
increased land fertility downstream
increased land fertility downstream - no response given
weed growth downstream
weed growth downstream - not selected, this is the correct answer
decreased water temperature upstream
1 answer