Problem Statement There are 10 species of plants in Washington State that are listed as threatened or endangered under the federal Endangered Species Act. One species, showy stickseed Hackelia venusta, occurs within the Washington State Department of Transportation (WSDOT) right-of-way of SR 2, in Tumwater Canyon, along with four other rare plant species. Tumwater Canyon is located in the Wenatchee National Forest (WNF), and a portion of the canyon has been designated the Tumwater Botanical Area, which is managed as a Special Interest Area. The potential for conflicts between the management of rare plants and public transportation has long been recognized for this section of the canyon. Project Objective The objective of this project was to...
Over the past decade, western Washington has experienced rapid growth in population and development....
To the best of our knowledge, one or more authors of this paper were federal employees when contribu...
In mountainous regions, road construction is accompanied by large-scale physical disturbance associa...
Protected plant and wildlife species that grow, forage, nest, roost, or migrate near the Washington ...
Washington State has been experiencing an increase in the number of species listed under the Endange...
Rare plants are an important consideration for managing forest health and productivity in eastern Or...
Road revegetation with native plants is both a challenge and an opportunity. A new partnership betwe...
https://doi.org/10.21949/15181641997PDFTech ReportFHWA/MT-97/81158115Roadside floraCatalogsEnvironme...
Federal Highway Administration2007PDFTech ReportSteinfeld, David E.Riley, Scott A.Wilkinson, Kim M.L...
Vascular plant surveys were initiated during fiscal year 1992 by the environmentally sensitive areas...
The dominant shrubs were sagebrush and spiny hopsage; the herbs were dominated by cheatgrass and San...
PDFTech ReportMD-13-SP009B4TRight of way (Land)HighwaysWeedsInvasive plantsCost effectivenessBiologi...
Results of listing species under the Endangered Species Act (ESA) have been less than inspiring. Sin...
U. S. Highway 12 is a major highway located in North Central Idaho. It bisects a primitive, remote a...
A key issue for forest and rangeland health and productivity in eastern Oregon and Washington, USA i...
Over the past decade, western Washington has experienced rapid growth in population and development....
To the best of our knowledge, one or more authors of this paper were federal employees when contribu...
In mountainous regions, road construction is accompanied by large-scale physical disturbance associa...
Protected plant and wildlife species that grow, forage, nest, roost, or migrate near the Washington ...
Washington State has been experiencing an increase in the number of species listed under the Endange...
Rare plants are an important consideration for managing forest health and productivity in eastern Or...
Road revegetation with native plants is both a challenge and an opportunity. A new partnership betwe...
https://doi.org/10.21949/15181641997PDFTech ReportFHWA/MT-97/81158115Roadside floraCatalogsEnvironme...
Federal Highway Administration2007PDFTech ReportSteinfeld, David E.Riley, Scott A.Wilkinson, Kim M.L...
Vascular plant surveys were initiated during fiscal year 1992 by the environmentally sensitive areas...
The dominant shrubs were sagebrush and spiny hopsage; the herbs were dominated by cheatgrass and San...
PDFTech ReportMD-13-SP009B4TRight of way (Land)HighwaysWeedsInvasive plantsCost effectivenessBiologi...
Results of listing species under the Endangered Species Act (ESA) have been less than inspiring. Sin...
U. S. Highway 12 is a major highway located in North Central Idaho. It bisects a primitive, remote a...
A key issue for forest and rangeland health and productivity in eastern Oregon and Washington, USA i...
Over the past decade, western Washington has experienced rapid growth in population and development....
To the best of our knowledge, one or more authors of this paper were federal employees when contribu...
In mountainous regions, road construction is accompanied by large-scale physical disturbance associa...