Water leaves a lake through the ground. "Ground water is recharged from rain water and snowmelt or from water that leaks through the bottom of some lakes and rivers," - Google
Sorry if my answer was incorrect.
This is geography not math
I dont know lol I think vast weather changes such as global warming may cause extinction to species or adaptation to heat. But it depends solely on the lifeform
Answer: Their population will rapidly decrease in till eventually they are no longer.
Explanation: Due to having less and less area to nest, the costal bird species population will slowly start to decline.