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Terrestrial & Wildlife


terrestrial wildlife surveys
  • 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...


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