Habitat Restoration Analysis

Client: US Fish & Wildlife Service

Location: Gee Greek Watershed / Ridgefield National Wildlife Refuge, Washington

Our conservation professionals assisted the U.S. Fish and Wildlife Service with restoration and preservation efforts, including GPS surveying, in the Gee Creek Watershed and the Ridgefield National Wildlife Refuge, located in the state of Washington. A number of analyses focused on habitat restoration.

Tree planting

The first analysis was a tree planting suitability and prioritization analysis along Gee Creek in the Ridgefield National Wildlife Refuge. The goal was to determine ideal locations for planting willow and ash trees, based on environmental criteria critical to their survival. In preparation for the tree planting analysis, we conducted extensive GPS surveys along previously unmapped portions of Gee Creek. We then used these field data to create a precise model for planting types and extents along Gee Creek.

Land use classification

Second, to support ongoing public outreach efforts, land use was classified throughout the Gee Creek Watershed. Using aerial and satellite imagery, we identified areas in the watershed consisting of coniferous or deciduous forest cover, agricultural land, and urban zones. The results of the analysis were used in conjunction with land use datasets to identify owners with ponds critical to regulating Gee Creek temperatures to ensure that they are ideal for restoration or preservation.

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Jenny Axelrod

Senior GIS Analyst

(503) 501-5242

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