Geog 5 Week 4 Lecture 6 01 31 2012 Chapter 13 Land Resources Vocabulary refer to textbook for complete definitions Strict nature reserves protected area for science Wilderness area protected area for wilderness protection National park protected area for ecosystem conservation recreation Natural monument feature protected area for specific natural feature Habitat Species management area protected area for conservation through management intervention conservation recreation Protected landscape seascape protected area for land seascape Protected area with sustainable use of natural resources protected area that sustains natural ecosystems U S Land Use Agricultural lands Urban land Federal private wilderness lands o Federal land as a percentage of total state land area More geologically interesting places in the West also the last place to be developed therefore more property is owned by the federal government o Who manages what Refer to Table 13 1 in the textbook Forests and the Hydrologic Cycle Provide oxygen Ecosystem services cleaner air protection from storms protect the watershed etc Forest management the best way to manage is by letting it burn Replanting is also a problem plant the same thing disease could come and kill all the trees Sustainable forestry as much biodiversity as possible the best Harvesting trees how do we do this in a way that s fairly sustainable Selective cutting mature trees are cut individually Clear cutting mature trees are cut in one swoop o Land frequently doesn t regenerate o There s no replanting regeneration of a rainforest The soil is rich because of the debris that falls off of the trees if you cut down the trees there can t be any more rich soil Deforestation boreal forests found in Alaska Scandinavia etc We ve lost more boreal forests than rainforests Did occur in places with dense populations Deforestation tropical dry forests India Kenya Zimbabwe Egypt Brazil Few are left in Hawaii therefore leaving the ecosystem skewed Wildlife Corridors Provide connectivity between patches of forests Cutting down trees restricting genetic makeup of species more susceptible to extinction difficult on animal populations 57 of the US forests are owned by private owners Only 20 owned by government 01 31 2012 01 31 2012