GROUP: evergreen woody crops (ew)
DEFINITION:
evergreen woody perennial
non-tree crops in a continuous regular planting pattern with spacing <5m apart
and covering sufficient area to map a soft feature (width >5 m AND area >100 m2)
OR with >60% vegetation cover. Includes herbaceous perennial crops with stem
diameter >5 cm when mature, such as Banana/Plantain (Musa sp.). Must
identify USE = Rainfed OR Irrigated,
depending on the feature.
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Classification
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- Object
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generic evergreen woody crop = uncommon TYPE not in classification
- mixed species evergreen woody crop = mix of different evergreen woody crop species, with no species >60% by cover if mature, or by stems if immature.
- non-productive evergreen woody crop = any species or mix of mostly evergreen woody crops that are >60% mature (by # of stems) but have been or will be non-productive for at least two years because of old age, disease, or cutting back to regenerate.
- tea = Camellia sinensis.
- pineapple = Ananas comosus
- banana = Musa spp.
- Modifier 1
- immature = too young to produce.
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mature = productive
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Scale (of individual plots)
- small (<30m)
- medium-scale (>30m to 1ha)
- large-scale (>1 ha)
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Key
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generic evergreen woody crop
- immature
- small (<30m) areal = ew01
- medium-scale (>30m to 1ha) = ew02
- large-scale (>1 ha) = ew03
- mature
- small (<30m) areal = ew04
- medium-scale (>30m to 1ha) = ew05
- large-scale (>1 ha) = ew06
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mixed species evergreen woody crop
- immature
- small (<30m) areal = ew07
- medium-scale (>30m to 1ha) = ew08
- large-scale (>1 ha) = ew09
- mature
- small (<30m) areal = ew10
- medium-scale (>30m to 1ha) = ew11
- large-scale (>1 ha) = ew12
- non-productive evergreen woody crop = ew13
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tea
- immature
- small (<30m) areal = ew30
- medium-scale (>30m to 1ha) = ew31
- large-scale (>1 ha) = ew32
- mature
- small (<30m) areal = ew33
- medium-scale (>30m to 1ha) = ew34
- large-scale (>1 ha) = ew35
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pineapple
- immature
- small (<30m) areal = ew36
- medium-scale (>30m to 1ha) = ew37
- large-scale (>1 ha) = ew38
- mature
- small (<30m) areal = ew39
- medium-scale (>30m to 1ha) = ew40
- large-scale (>1 ha) = ew41
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banana
- immature
- small (<30m) areal = ew42
- medium-scale (>30m to 1ha) = ew43
- large-scale (>1 ha) = ew44
- mature
- small (<30m) areal = ew45
- medium-scale (>30m to 1ha) = ew46
- large-scale (>1 ha) = ew47
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Dominance Rules
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- IF TYPE with greater vegetation cover area is very similar or otherwise unclear:
- Choose immature over mature over non-productive.
- Mix of evergreen tree crops and evergreen woody crops Choose evergreen tree crops> mixed species evergreen tree crop.
- Mix of evergreen woody crops and deciduous woody crops Choose evergreen woody crops > mixed species evergreen woody crop.
- Mix of deciduous tree crops and evergreen woody crops Choose evergreen woody crops > mixed species evergreen woody crop.
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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.