The role of wetlands in senior high school geography

Wetland refers to the area where the surface is too wet or often accumulates water, and wetland organisms grow. Wetland ecosystem is a unified whole composed of wetland plants, animals, microorganisms and their environment.

Wetlands have many functions: providing water resources and various material resources; Provide habitats for wildlife and protect biodiversity; Regulate runoff and reduce flood disaster; Remove and transform toxic substances and impurities to improve water quality; Adjust the microclimate and keep the local climate moist; Wetlands can also form beautiful scenery and tourism resources; It has important educational and scientific research value.

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