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Wetland name or number B <br />These questions apply to wetlands of all HGM classes. Points <br />HABITAT FUNCTIONS - Indicators that unit functions to provide impoltant habitat per to') <br />H 1. Does the wetland unit have the otp ential to provide habitat for many species? <br />H 1.1 Vegetation structure (seep. 71) <br />Figure <br />Check the apes of vegetation classes present (as defined by Cowardin)- Size thresholdfar each <br />class is % acre or more than 10%of the area if unit is smaller than 2.5 acres. <br />=Aquatic bed <br />Emergent plants <br />Scrub/shrub (areas where shrubs have >30% cover) <br />✓=Forested (areas where trees have >30% cover) <br />lfthe unit has a forested class check if. <br />0 <br />=The forested class has 3 out of 5 strata (canopy, sub -canopy, shrubs, herbaceous, <br />moss/ground-cover) that each cover 20% within the forested polygon <br />Add the number of vegetation structures that quay. have: <br />goo <br />4 structures or more points = 4 <br />Map of Cowardin vegetation dasses - 3 structures points = 2 <br />=2 structures points= 1 <br />✓ 1 structure points = 0 <br />H 1.2. Hydroperiods (seep. 73) <br />Figure RAN <br />Check the types of vi•ater regimes (hydroperiods) presem within fhe )velland. The water <br />regime has to cover more Ihatt lO% of die weilcrnd or r/. acre to count (.see-lexr for <br />descriptions of hydroperiods) <br />=Permanently flooded or inundated =4 or more types present points = 3 <br />=Seasonally flooded or inundated 3 types present points = 2 <br />=Occasionally flooded or inundated 2 types present point = 1 <br />0 <br />=Saturated only ✓ 1 type present points = 0 <br />= Permanently Flowing stream or river in, or adjacent to, the wetland <br />= Seasonally flowing stream in, or adjacent to, the wetland <br />= Lake fringe wetland = 2 points <br />=Freshwater lidal wetland = 2 points Map of hydroperiods <br />H 1.3. Richness of Plant Species (seep. 75) <br />Count the number of plant species in the wetland that cover at least 10 ft'. (different patches <br />of fhe same species can be combined to meet the size threshold) <br />You do nor have to name thespecies. <br />Do not include Eurasian Milfoil, reed canaiygrass, ple loosestrife, Canadian Thistle <br />if you counted: "tn> 19 species points = 2 <br />List species below ifyou want to: Q 5 - 19 species points = I <br />_ < 5 species points = 0 <br />Wetland Rating Fonn—western Washington 13 <br />version 2 <br />Total for page 1 <br />August 2004 <br />Wetland name or number B <br />Decide from the diagrams below whether interspersion between Cowardin vegetation <br />classes (described in H 1. 1), or the classes and unvegetated areas (can include open water or <br />mudflats) is high, medium, low, or none. <br />O O <br />(:*) (* <br />✓[None = 0 points []Low = 1 point Moderate = 2 points <br />a <br />[riparian braided channels] <br />High = 3 points <br />NOTE: If you have four or more classes or three vegetation classes and open water <br />the rating is always "high". Use map of Cowardin vegetation classes <br />H I.S. Special Habitat Features: (seep. 77) <br />Check the liabitaf fealur•es that are present in the wetland. The number ofchecks is the <br />number ofpoinbr you put into the next column. <br />=Large, downed, woody debris within the wetland (>4in. diameter and 6 11 long). <br />=Standing snags (diameter at the bottom > 4 inches) in the wetland <br />=Undercut banks are present for at least 6.6 ft (2m) and/or overhanging vegetation extends at <br />least 3.3 ft (I m) over a stream (or ditch) in, or contiguous with the unit, for at least 33 ft <br />(IOm) <br />=Stable steep banks of fine material that might be used by beaver or muskrat for cleaning <br />(>30degree slope) OR signs of recent beaver activity are present (cut shrubs or trees that <br />have not vel turned grey/bit n) <br />=At least''✓, acre of thin -stemmed persistent vegetation or woody branches are present in areas <br />that are permanently or seasonally inundated.(.structures for egg -laying lry amphibians) <br />= Invasive plants cover less than 25% of the wetland area in each stratum of plants <br />NOTE: The 20%stated in early printings ofthe manual on page 78 Is an error. <br />H 1. TOTAL Score - potential for providing habitat <br />Add the scores from H1.1, H1.2, H1.3, H1.4, H1.5 <br />Comments <br />Wetland Rating Form —western Washington 14 August 2004 <br />version 2 <br />