LAND MANAGEMENT AND CONSERVATION 14-3. More Rural Land is Needed Population is rising! Types of rural land: Farm Range Forrest National and State Park.

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Presentation transcript:

LAND MANAGEMENT AND CONSERVATION 14-3

More Rural Land is Needed Population is rising! Types of rural land: Farm Range Forrest National and State Park Wilderness

Farmlands Areas for growing crops and fruit Threatened areas: North Carolina’s Piedmont region Twin Cities in Minnesota National Farmland Protection Program

Rangelands Shrub-like desert not suitable for farming or timber Livestock grazing Wet or dry

Problems on the Range Overgrazing – allowing more animals to graze in an area than it can support Land degraded Less desirable plants invade Soil erodes

Maintaining the Range Most in US is public land managed by the federal government Leased to ranchers Public Rangelands Improvement Act of 1978

Limits herd sizes Areas left unused for time periods Killing invasive species Fences Planting native vegetation

Forest Lands Lumber Maple syrup Turpentine Removing CO2 Adding O2

Harvesting Trees We use this much in the US:  Each person cutting down a 30 m tall tree each year 1.5 billion people use it at as a main fuel source

Virgin forest – never been cut Native forest – planted and managed Tree farms – planted and harvested

Clear cutting – removing all of the trees in an area Selective cutting – cutting middle aged or mature trees  More expensive

Deforestation Clearing trees from an area without replacing them Cleared and converted into farmland Make space for building Soil erosion

Tropical Rainforest – thin soil

Reforestation Trees are planted to replace cut down areas Steep hill sides

Parks and Preserves 1 st National Park 1870’s Yellowstone Today – more than 50 Biosphere preserves – places where humans and wildlife live side by side

Wilderness US Wilderness Act – 1964 Designated certain areas as wilderness Area in which land and the ecosystem it supports are protected from all exploitation

32 million acres Open to camping, hiking, fishing No roads or structures No motorized equipment

Benefits of Protected Areas Extinction of species prevented Recreational areas Only places with unspoiled resources

Threats to Protected Areas Visitors leaving their marks on the area Litter and pollution Some areas have limited visitors or none at all