SERVICES

• General Wildlife Surveys and Habitat Assessments
• Amphibian, Reptile and Vernal Pool Studies
• Radar Tracking of Migratory Bird Movements
• Waterfowl/Nesting Surveys
• Cover Type Mapping and Analysis
• Habitat Evaluation Procedures (HEP) Assessment
• Habitat Enhancement Studies and Design
• Lakeshore and Streambank Stabilization
• Specialized Bird and Mammal Studies
• Effects of Impoundment Fluctuations on Terrestrial and Aquatic Vegetation
• Botanical Surveys
• Habitat Conservation Plans (HCP)
• Gas and Electric Transmission and Distribution Systems
• Windpower Projects
• Construction Monitoring
• Compliance Monitoring

DTA researches cover an array of terrestrial and wildlife services ranging from avian and amphibian surveys to botanical assessments.

Wildlife investigation experience includes:

• Species inventories and habitat assessment
• Special status wildlife surveys and monitoring
• Database linked habitat mapping
• Pond, stream, and terrestrial amphibian surveys
• FERC Exhibit E wildlife resources preparation

Specialized mammal services include uncommon wildlife such as bats:

• Site reconnaissance and habitat assessments
• Evaluation of natural and anthropogenic roosting structures
• State-of-the-art acoustic monitoring echniques for accurate species identification
• Regulatory documentation and permit acquisition

Avian assessment abilities include:

• Radio marking and tracking
• Migratory and breeding bird surveys
• Bird-power line risk assessment
• Raptor surveys and nest monitoring

Botanical assessment abilities include:

• Inventories and population assessments
• Mitigation and restoration plans, and implementation
• Noxious weed surveys and management plans
• ESA Section 7 consulting
• Preparation for FERC Relicensing
• GIS-based vegetation and cover type mapping
• Expert witness testimony

Project Examples

Terrestrial Habitat Assessment, Priest Rapids Project, Grant County PUD, Washington

Riparian, wetland, and upland habitats within a mile of the project and occupying more than 100,000 acres were mapped, described, and evaluated for habitat condition. Read More...

Umbazooksus Lake Wetland Enhancement; Great Northern Paper, Inc.

Devine Tarbell & Associates (DTA) developed a final wetland enhancement plan, which included a feasibility assessment of the enhancement measure stipulated by the license articles, evaluation of alternative measures, working with GNP and a team of natural resource agency representative to select the wetland enhancement plan. Read More...