Five factors that influence soil formation: 1. Climate - warmth speeds chemical reactions, causes weathering. Moisture also causes weathering 2. Organisms - earthworms and burrowing animals mix and aerate the soil, also add organic matter 3. Topograp
Chapter 11 Biodiversity and Conservation biology
biological diversity - biodiversity the diversity of species, genes, populations and communties There are different levels of biodiversity: -species diversity - variety and number of species in one ar
Chapter 9 Soil and Agriculture Agriculture - practice of raising crops and livestock for human consumption cropland -land used to raise plants rangeland - land used for grazing livestock - pasture Healthy soil - vital for agriculture. Sil contains nu
Corn - staple grain of world food supply - many varieties exist today because of early selective crop breeding Oaxaco, Mexico -noted for its many varieties of corn (maize). Important to preserve these varieties for future of agriculture. Genetically
Chapter 12 Resource Management, Forestry, Land Use and Protected Areas
clear-cutting- logging that removes all trees from an area destroys forests and ecosystems, contributes to erosion of soil, on steep hillsides, can cause landslides Case in Clayq
The Nature Conservancy 1. What is the mission of the Nature Conservancy? To protect plants, animals & natural communities that represent diversity of life on earth by protecting the land and waters they need to survive 2. Where is the Coral Triangle?