deserts
tundra
wetland
savannas
shrublands
forests
grassland
forage pasture
- rangeland is uncultivated land dominated by plants
- all land that's not farmed
- its important to be grazed but not all are grazed
- forests 25%
- cropland 10%
- ice rock and barren desert 15%
- urban 3%
- rangeland 47&
- livestock production, wildlife habitat, water, minerals and native plants
- recreation, open space and western heritage
- rangelands used for recreational uses hiking, hunting, camping, mountain biking, cross country skiing and snowmobiling
- range management is careful use of resources in rangeland
- tricky part is meeting needs and desires of society
- fences can be used to control livestock on pasture
- number of livestock can be increased or decreased to meet management objectives
- range managers often use weed control
- fire is a method of weed control
The Big 7
!. rocky mountains
2. Arizona
3. bueru of land management
4. rivers and canyons
5 the west side of the united states
6 grassland
7. Savanna in South Africa
coastal management
two approaches
beach nourishment
two approaches
- hard and soft engineering
- absorb shock and energy of waves on coastline
- cannot prevent backwash
- can be built with one end attached to coast
- break force of high energy waves
- zone located away from breakwater arent protected
- built at right angles
- absorb energy of waves
beach nourishment
- replenishment of sand
- relocation of houses
- planting of mongroves
- stabilizing dunes
- growth of coral reefs