GEOG 1070 Chapter Notes - Chapter 17: National Wilderness Preservation System, National Wildlife Refuge, Tropical And Subtropical Dry Broadleaf Forests
23 Feb 2016
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Geog 1070: contemporary environmental issues reading notes chapter 17. Wilderness act of 1964 authorized the u. s. government to set aside federally owned land that lacks humans habitation as part of the national wilderness. Natural regulation park management policy that involves letting nature take its course most of the time, with corrective actions undertaken as needed to adjust for changes caused by pervasive human activities. National wildlife refuge system most extensive network or lands and waters committed to wildlife habitat in the world. Forests protect from erosion and mudslide by pulling water deeper into upper soil layers to slowly release water that helps to control floods and droughts. Traditional forest management specific varieties of commercially important trees are planted, and threes rot as commercially desirable are threatened out and removed. Many u. s. trees are monocultured: ecologically simplified in which one type of plant is cultivated over a large area. Sustainable forestry maintains a mix of forest trees by age and species.
