what is rangeland? j. petersonk. launchbaugh. wild open spaces of the west what is rangeland? how...
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What is Rangeland?
J. Peterson K. LaunchbaughK. Launchbaugh
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Wild Open Spaces of the West
What is rangeland? How much rangeland? Who owns rangeland? What is rangeland good for?
Multiple uses of rangeland
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What areRangelands?
Deserts Tundra Wetlands Savannas Shrublands Forests Grasslands
Which of these are rangeland?
J. Peterson
J. Peterson
J. Peterson
K. LaunchbaughK. Launchbaugh
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Which of these are rangeland?
What are Rangelands?
Deserts? Tundra? Wetlands? Savannas? Shrublands? Forests? Grasslands? Forage pasture?
All deserts except barren deserts
All tundra Vegetation around
wetlands All savannas All shrublands Only open forests All grasslands Not highly managed
pastures
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Pasture vs Range Pastureland is differentiated from
rangeland: They have periodic cultivation is used to
maintain Generally introduced (or non-native)
forage species Agronomic inputs such as irrigation and
fertilization are applied annually
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What are Rangelands? All areas of the world that are not:
Barren Desert Farmland Closed-Canopy Forest Covered by solid rock, concrete or
glaciers
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What are Rangelands? Rangelands are shrublands,
grasslands, deserts, woodlands, and open forest.
Several factors can preclude farming or timber production on these: Limited precipitation Sandy, saline, or wet soils Steep topography Rocks
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What are Rangelands? Are all rangelands grazed?
Grazing as an important ecological process in all rangeland, but not all rangelands are grazed by livestock.
Rangelands are a kind of land – not a specific land use.
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What are Rangelands? Most types of rangelands have in
common: Native and naturalized plants – mostly
perennial History of or currently used for
livestock grazing Extensively managed (rather than
intensively) based on ecological (rather than agronomic) principles.
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Why are rangelands important?
47% of the EARTH is rangeland(some estimates as high as 70%)
36% of the US is rangeland
53% of Western States is rangeland
48% of the Idaho is rangeland
They cover a lot of ground
80 % of the Nevada
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Why are rangelands important?
Half of the earth’s surface is rangeland 47% = Rangeland 25% = Dense Forest 10% = Cropland 3% = Urban 15% = Ice, rock, and barren desert
They cover a lot of ground
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Rangelands are Diverse and Extensive!
Tundra of the Arctic
Outback of Australia
African Savannah
Mongolian Plains
Sagebrush Steppe
Cerrados of Brazil
Sonoran Desert
Across the globe
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Rangelands are Diverse and Extensive!
Arctic Tundra
Oak Woodlands
Sonoran Desert
Plains Grasslands
Mixed Prairie
Mountain Grasslands
Across the North America
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Rangelands are Important
Forage
Recreation
Livestock Production
Open Space
Native Plants
Water
Wildlife Habitat
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Rangelands are Challenged Many forces that threaten rangeland
integrity! Unsustainable grazing practices Damaging fire regimes Invasive plant species Global climate change Human development