GROUP: pasture (pa)
DEFINITION:
permanent hayfield or pasture
feature grazed by the landowner or by agreement with the landowner: not grazed
as a common/public area. Vegetation growth must be controlled either by
domestic animal grazing or fodder harvest. In most cases there is some form of
permanent fencing or other enclosure for animals, and formal land management
plans or agreements by or with landowner. Must identify USE =
Rainfed OR Irrigated, depending on the feature.
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Classification
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Return
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- Object
- pasture = vegetation feature with cover managed by grazing by the landowner or by agreement with the landowner: not grazed as a common/public area. Not usually cut for fodder every season of every year (>60% of annual vegetation removal by livestock, not fodder harvest).
- permanent grass or mixed hayfield
= grass or mixed non-woody vegetation in permanent hayfield cut seasonally for animal fodder (>60% of annual vegetation removal by fodder harvest, not grazing).
- permanent non-grass hayfield = alfalfa or other non-grass permanent hayfield cut seasonally for animal fodder (>60% of annual vegetation removal by fodder harvest, not grazing).
- Vegetation
- pasture
- non-woody
- woody / some trees
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Scale
- small (<30m)
- medium-scale (>30m to 1ha)
- large-scale (>1 ha)
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Key
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Return
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pasture
- small (<30m)
- non-woody = pa01
- woody/some trees = pa02
- medium-scale (>30m to 1ha)
- non-woody = pa03
- woody/some trees = pa04
- large-scale (>1 ha)
- non-woody = pa05
- woody/some trees = pa06
- permanent grass or mixed hayfield
- small (<30m) = pa07
- medium-scale (>30m to 1ha) = pa08
- large-scale (>1 ha) = pa09
- permanent non-grass hayfield
- small (<30m) = pa10
- medium-scale (>30m to 1ha) = pa11
- large-scale (>1 ha) = pa12
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Dominance Rules
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Return
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IF unclear whether it is pasture or hayfield (see above) Choose pasture.
- IF unclear whether permanent grass or mixed hayfield OR permanent non-grass hayfield, Choose permanent grass or mixed hayfield.
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Citation for AEM:
Ellis E. C., H. Wang, H. Xiao, K. Peng, X. P. Liu, S. C. Li, H.
Ouyang, X. Cheng, and L. Z. Yang. 2006. Measuring long-term ecological changes in
densely populated landscapes using current and historical high resolution imagery.
Remote Sensing of Environment
100(4):457-473.