. Southwest Montana wetland assessment : developing a statewide assessment and monitoring strategy for Montana. Wetlands; Wetland ecology; Wetland management. â Temporarily Flooded - A â Saturated - B m Seasonally flooded - C â Semipermanently Flooded - F â Intermittently Exposed - G â Permanently Flooded - H s Artificially Flooded - K ; Figure 11. Percent of mapped wetland acres by Cowardin water regime in the southwest Montana basin-wide assessment project Figure 12. Percent of mapped wetland acres by hydrogeomorphic (HGM) system in the southwest Montana basin-wide assessment proj
. Southwest Montana wetland assessment : developing a statewide assessment and monitoring strategy for Montana. Wetlands; Wetland ecology; Wetland management. â Temporarily Flooded - A â Saturated - B m Seasonally flooded - C â Semipermanently Flooded - F â Intermittently Exposed - G â Permanently Flooded - H s Artificially Flooded - K ; Figure 11. Percent of mapped wetland acres by Cowardin water regime in the southwest Montana basin-wide assessment project Figure 12. Percent of mapped wetland acres by hydrogeomorphic (HGM) system in the southwest Montana basin-wide assessment project area. Most anthropogenically altered wetlands in the project area fall into the Lacustrine System, as these mapped wetland types represent large reservoirs created by stream impoundments (Figure 13). Altered riverine wetlands represent excavated canals and ditches. Just over 3% of palustrine wetlands in the project area are anthropogenically altered. The spatial distribution of palustrine wetlands by watershed is included in Appendix G. Wetlands with the potential for high functional performance of water storage and groundwater recharge functions had the highest proportion in the project area, each making up 36% of the project area. Sediment retention and terrestrial habitat functions make up the next highest proportion of the project area, at and , respectively. Level 1 Landscape Characterization When considered at the individual wetland polygon, the density of local roads (unpaved and rural roads) was two m/ha. Road density was over four times higher ( m/ha) when considered at the next spatial scale of the 100-m envelope around 20. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Newlon, Karen Rachel,author; Montana Natural Heritage Program; United States. Environmental Protection Age
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