Fisheries & Aquatic Habitat Assessments

Fisheries and Aquatic Habitat Assessments

ECORP's fisheries and aquatic staff review, design, and conduct environmental assessment studies in all of California's aquatic habitats, including riverine, lacustrine, estuarine, and marine systems. We conduct technical studies and prepare supporting documentation for Biological Assessments and Section 7 consultations for salmonids [National Marine Fisheries Service (NMFS)] and non-salmonids [U.S. Fish and Wildlife Service (USFWS)] under the Endangered Species Act. ECORP biologists are proficient with hydroacoustic assessments, acoustic tagging, and mobile tracking methodologies.

Fisheries and Aquatic Habitat Assessments

ECORP biologists hold federal incidental take permits (or are routinely approved NOAA Fisheries on a project basis) for numerous federally-listed species in California, including the various races and Evolutionarily Significant Units (ESUs) of Chinook salmon and steelhead, tidewater goby, Santa Ana sucker, and unarmored threespine stickleback.

Our biologists work with hydraulic engineers to evaluate existing and predictive fish habitat (PHABSIM modeling), impacts to fish and habitat from altered streamflows (dam and bypass releases), fish passage, fish screening, and fish entrainment. ECORP conducts field-level stream and riparian habitat mapping using USFWS protocols, and channel classification using the Rosgen multi-level approach. ECORP biologists are proficient with hydroacoustic assessments, acoustic tagging, and mobile tracking methodologies.

Services Provided

  • Fisheries and aquatic habitat study design
  • Estuarine habitat/eelgrass assessments
  • Aquatic, riparian, and estuarine habitat restoration
  • Estuarine/marine fish ecology and study design
  • Acoustic fish tagging/tracking
  • Entrainment evaluations
  • Fish passage assessments
  • Water project operations impact assessments
  • Mitigation planning and design
  • Alternatives analyses
  • Limiting factor analyses
  • Watershed and ecosystem restoration planning
  • Section 7 Endangered Species Act compliance
  • Fish relocation and salvage

For More Information, Contact:

Todd Chapman
Aquatics Group Manager
ECORP Consulting, Inc.
1801 Park Court Place
Building B, Suite 103
Santa Ana, CA 92701
phone: (916) 782-9100
fax: (916) 782-9134

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