Wildlife Habitat Evaluation Guide for Arizona Wetland Areas
Wildlife Habitat Evaluation Guide for Arizona Wetland Areas
Included within all Arizona Major Land Resource Areas
|Owner/Operator |District |
|County |Field Office |
|Program |WHEG No. |Assisted by |
|Map No. |Location:Sec T R |Acres |Date: |
|Applies to wetlands found within all Arizona MLRA’s. Complete 1 WHEG per wetland or major plant community. |
| |
|Species commonly occuring in and/or benefitting from proper wetland management: raccoon, muskrat, beaver, geese, dabbling ducks, coot, rails, herons, |
|bald eagle, peregrine falcon, northern harrier, various bats, swallow, blackbirds, warmwater native & introduced fish, frogs, water snakes, etc. |
|Management that protects the wetland hydrology, plant community diversity, and native plant species that developed under Arizona’s cyclic climate are of |
|greatest benefit to wildlife. Includes large riverine oxbow lakes & wetlands, salt marshes, cattail/rush/sedge marshes, and established wetland plant |
|communities around open water lakes & reservoirs. |
| | | | | |Weighted |Weighted |
|Factor - Components |Values |Before |After |Weight |Score |Score |
| | | | | |Before |After |
|1 Plant community - Diversity: number of native obligatory and facultative-wet species (includes most sedges, rushes, cattails, willow, smartweed, |
|aqautic plants, aqautic grasses, salt marsh vegetation, etc.) See Arizona wetland plant list or NRCS Western Wetland Plants. |
|a) 1 to 10 species |0 - .3 | | | | | |
|b) 11 to 15 species |.4 - .7 | | |X 1 | | |
|c) >15 species |.8 - 1.0 | | | | | |
|2 Plant community - Wetland habitat structure (layers of vegetation include - aqautics growing in and on |
|water, herbaceous, cattail/bulrush, shrub/tree) |
|a) 1 layer |0 - .3 | | | | | |
|b) 2 layers created by several plant species |.4 - .7 | | |X 2 | | |
|c) 3 to 4 layers and multiple plant species in each layer |.8 - 1.0 | | | | | |
|3 Plant Community - Habitat diversity (stands of various species and open water areas ) |
|a) 1 community covers >75% of area, 66% of area, 20% to 33% |.4 - .7 | | | | | |
|open water | | | | | | |
|c) several communities & open water in mosaic pattern |.8 - 1.0 | | | | | |
|4 Wetland hydrology |
|a) large, seasonal fluctuations in water depths |0 - .3 | | | | | |
|b) major climatic annual fluctuations in water depths |.4 - .7 | | |X 2 | | |
|c) water depths constant due to ground water or human |.8 - 1.0 | | | | | |
|management during growing season/nesting periods | | | | | | |
|5 Food - Wildlife foods available (a) seeds; b) aquatic plants, c) aquatic/terrestrial insects, d) herbaceous |
|plants, e) fish/tadpoles) |
|a) 1 to 2 of the 5 are available or in very limited supply |0 - .3 | | | | | |
|b) 3 of the 5 are available, some seasonal shortages |.4 - .7 | | |X 2 | | |
|c) 4+ of the 5 are available and are preferred species |.8 - 1.0 | | | | | |
|6 Large herbivore or human impacts on plant communities |
|a) yearlong or heavy grazing, annual burning, or high |0 - .3 | | | | | |
|year-long recreational use | | | |X 2 | | |
|b) moderate grazing, burned 2 in 5 years & deferred, |.4 - .7 | | | | | |
|most recreational use during fall hunting season | | | | | | |
|c) no grazing or light winter use, prescribed burns for |.8 - 1.0 | | | | | |
|wildlife habitat improvements, light recreation use | | | | | | |
Sum _______ _______
Overall score = sum ( 10 ( _______ _______
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