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Wetland name or number A <br />These questions apply to wetlands of 0 HGNI classes. Points <br />loub• 1 xom <br />HABITAT FUNCTIONS - indicators that unit functions to provide important habitat pur box) <br />H 1. Does the wetland unit have the notential to provide habitat for many species? <br />H 1.1 Vegetation stmcture (seep. 72) <br />Figure <br />Check the types ofvegetation classes present (as defined by Cowardin)- Size thresholdfor earth <br />class it % acre or more than 10% ofthe 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 />Ifthe 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 />ntoss/ground-cover) that each cover 20% within the forested polygon <br />.ddd the number of vegetation structures than quay. Ifyou have: <br />M4 structures or more points = 4 <br />Map of Cowardin vegetation classes =3 structures points = 2 <br />❑2 structures points = I <br />✓ 1 structure points = 0 <br />H 12. Hvdroperiods (seep. 73) <br />Figure RAN <br />Check the lopes of eater regimes (hydroperiods) present within the wetland The water <br />regime has to cover more than 10% of the welhrnd or % acre to count. (see text 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= I <br />1 <br />=Saturated only I type present points = 0 <br />Q Permanently flowing stream or river in, or adjacent to, the wetland <br />= Seasonally flowing stream in, or adjacent to, the wetland <br />= Lake -fringe Welland = 2 points <br />=Freshwater tidal 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 flZ. (different patches <br />of the same species can be combined to meet the size threshold) <br />You or, not have to name the species. <br />Do not include Eurasian Milfoil, reed canarygrass, rnple loosestrife, Canadian Thistle <br />If you counted: > 19 species points = 2 <br />List species below ifyou want to: ✓❑ 5 - 19 species points = 1 <br />< 5 species points = 0 <br />Wetland RatingForm— western Washington <br />version 2 <br />Total for page <br />August 2004 <br />Wetland name or number A <br />H 1.4. Interspersion of habitats (seep. 76) igure <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 />C)CD <br />_✓ None = 0 points =Low = I point ❑ Moderate = 2 points <br />0 <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 1.5. Special Hahitat Features: (seep. 77) <br />Check the habitat feaiurer that are present in the wetland The number of checks is the <br />number of points you put into the next column. <br />=Large, downed, woody debris within the wetland (>4in. diameter and 6 Il 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 />(tom) 2 <br />=Stable steep banks of fine material that might be used by beaver or muskrat for donning <br />(>30degree slope) OR signs of recent beaver activity arc present (cut shrubs or trees that <br />have not vet na•nedgrel/brow•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 by 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 of the manual an page 78 is an error. <br />H 1. TOTAL Score - potential for providing habitat I 4 <br />Add the scores ram H1.1. 111.2. H1.3, 111.4, H7.5 <br />Comments <br />Wetland Rating Form—westem Washington 14 August2004 <br />version 2 <br />