Napa River Rotary Screw Trap Open House 2019

On Sunday May 5, 2019 the Napa County Resource Conservation District (RCD) hosted an Open House event for approximately 50 interested members of the public at the Napa River Rotary Screw Trap. For nearly a decade, the RCD has been using the rotary screw trap — a fish collection device — to monitor fish populations … Continue Reading »

Oak Knoll Groundbreaking September 12, 2018

  On September 12, 2018, the Oak Knoll development project broke ground after nearly decades of planning. WRA’s Amanda McCarthy, Kari Dupler, and Susie Bennett attended the event as guests alongside our client SunCal, government officials including Oakland Mayor Libby Schaaf and Oakland City Council President Larry Reid, and local community leaders. The site, formerly … Continue Reading »

The Foothill Yellow-legged Frog: Status Update and Steps for Compliance

By Brian Freiermuth, Wildlife Biologist Foothill Yellow-legged Frog Life History The foothill yellow-legged frog (FYLF), Rana boylii, is visually one of the more non-descript frogs in California, but it must gamble for survival.  Although FYLF breed in relatively calm parts of streams, these areas are prone to scour from large late-season rains,  or dry out … Continue Reading »

WRA Welcomes Salt Marsh Harvest Mouse Expert Katie Smith

Katie Smith, a leading expert in the salt marsh harvest mouse (SMHM), joins WRA, Inc. as a wildlife biologist. “We are thrilled to have Katie join our team and share her expertise in endangered species ecology, especially her expertise with the salt marsh harvest mouse and its critical habitat, to assist our clients with projects … Continue Reading »

The River to Recovery: Fisheries Monitoring on the Napa River

The Napa County Resource Conservation District (RCD) has been operating the Napa River Rotary Screw Trap for nearly a decade. This collection device monitors fish populations in the Napa River Watershed, with particular focus on steelhead and Chinook salmon. Learn more about our collaboration with the RCD in our latest video story!   Additional Resources … Continue Reading »

Tidewater Goby Workshop September 21-23, 2018

WRA’s Daniel Chase is among a panel of expert instructors for the upcoming Tidewater Goby Ecology & Management workshop September 21-23, 2018 at the Pt. Reyes National Seashore in Marin County, California. The event is co-hosted by the Cal/Neva Chapter of the American Fisheries Society and the Western Section of The Wildlife Society and will cover … Continue Reading »

Northern Mockingbird Article Featured in San Diego Audubon Society Newsletter

WRA’s Anna Prowant contributed an article to the Summer 2018 edition of San Diego Audubon Society’s newsletter Sketches. Her article, Creature Feature: The Northern Mockingbird, can be found on page 7 of the issue. Click here to read the full issue. Anna volunteers as an Educational Docent at the Anstine-Audubon Nature Preserve. Learn more about the chapter … Continue Reading »

Napa River Rotary Screw Trap Open House May 6

On Sunday May 6, 2018 the Napa County Resource Conservation District (RCD) will host an open house at the Napa River Rotary Screw Trap. For nearly a decade, the RCD has been using the rotary screw trap, a fish collection device, to monitor fish populations in the Napa River Watershed, with particular focus on steelhead … Continue Reading »

Spring Environmental Checklist

RARE PLANT SURVEY Conducting a full season of rare plant surveys before designing your project can help you avoid last-minute redesigns and costly project delays. The first step is conducting a habitat assessment to determine whether rare plants have potential to occur on your site and whether surveys are needed. Because different rare plants bloom … Continue Reading »

Expanding Opportunities for Environmental DNA Sampling

by Daniel Chase and Patricia Valcarcel The molecule that contains the genetic instructions for life, and is found in every species on the planet, is now opening new doors and providing a powerful tool for biologists and natural resource managers.  Deoxyribonucleic acid, more commonly known as DNA, is fundamental to life.  For decades, scientists have … Continue Reading »