Green Crab Monitoring

A Slow Start to the 2020 Green Crab Season

May 8, 2020

Like so many other projects and programs right now, partners contributing to state-wide efforts to manage European green crabs are trying to figure out what can safely be done, in the midst of the global pandemic, to address the urgent threat of invasion. In particular, there has been concern that green crabs won’t wait until COVID-related isolation measures are lifted to continue their population growth and spread, and that we could miss a critical ...

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WSG Crab Team Receives 2020 Salish Sea Science Prize

April 22, 2020

The SeaDoc Society announced Washington Sea Grant Crab Team as the 2020 winner of the Salish Sea Science Prize. The SeaDoc Society, a program of the UC Davis Karen C. Drayer Wildlife Health Center, awards the Salish Sea Science Prize every two years in recognition of scientists whose work results in the improved health of fish and wildlife populations in the Salish Sea. 

The Sea Doc Society recognized the Crab Team for their use of science to improve the health of the Salish ...

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Crab Team Welcomes Program Coordinator

April 9, 2020

Dear Crab Team enthusiasts, I’m excited to introduce myself as the new Crab Team coordinator. During these unusual times, I know that many of us are striving to fill our days with meaning and more time outdoors. Once it is safe to do so, I look forward to doing both in the name of Crab Team. In this position, I will support program volunteers and partners through site visits, training coordination, data submission processing and science ...

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Crab Team and COVID-19

March 31, 2020

March and April are typically the busiest months on the Crab Team annual calendar, as staff and volunteers reunite for training workshops to relaunch the monitoring season. This spring, however, the Crab Team office has been almost entirely empty over the past month. The leadership of Washington Sea Grant, in collaboration with the UW College of the Environment, is following all advice and directives set forth for safety and health by the University of Washington around the COVID-19 ...

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Protocol in Focus: How do we steward Crab Team sites?

In addition to creating a scientifically robust sampling scheme, and one that is sensitive to finding green crab when they are rare, Crab Team also put a great deal of thought and guidance into the protocol with the goal of being good stewards of Washington’s shorelines. Even though our goal is to detect green crab as they first arrive and help avoid ecological damage, it is certainly true that the act of sampling itself can be a disturbance to a site. ...

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Further Green Crab Captures in Whatcom County

October 22, 2019

Broadening the search for invasive European green crab in Drayton Harbor, Washington Department of Fish and Wildlife and WSG Crab Team captured additional European green crab in recent weeks. In addition, Lummi Natural Resources has reported capturing green crab in Lummi Bay as a result of early detection trapping, expanding the list of new sites where green crab have been confirmed in Whatcom County this year.

Drayton Harbor, Blaine

Following the discovery of several molted green ...

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Invasive Green Crabs Found at Drayton Harbor

(Photo: A male, 38.5mm European green crab, one of the 17 captured at Drayton Harbor last month.)  

October 8, 2019

FOR IMMEDIATE RELEASE

Blaine, WA — As part of an early-detection partnership, the Washington Department of Fish and Wildlife (WDFW) and the Washington Sea Grant (WSG) Crab Team found evidence of European green crabs (Carcinus maenas) in Drayton Harbor during regular monitoring, and then trapped 17 green crabs during a two-day rapid response in late ...

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European Green Crab Detection During San Juan Island Assessment

September 6th, 2019

Last week, Crab Team Program Manager, Emily Grason, and Program Assistant, Kelly Martin, conducted a trapping assessment on San Juan Island with Chelsey Buffington and Roy Clark from the Washington Department of Fish and Wildlife (WDFW). After three days and more than 330 trap sets, one male European green crab (64 mm) was found in Westcott Bay. 

Westcott Bay, on the northern end of San Juan Island, is the location of the very first ...

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Detection of European Green Crab in Drayton Harbor

August 22, 2019

Crab Team volunteers in Drayton Harbor, just south of the border with Canada, found the shell of an invasive European green crab while walking the beach this past Saturday. The detection is the furthest northward along Washington shorelines the invasive species has been confirmed.

Margaret Santamaria and Margarette Grant are part of the Crab Team crew at a monitoring site on California Creek. They made the discovery while they were conducting a survey nearby for another citizen science project, ...

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Additional Green Crab Captured in Samish Bay

August 13, 2019

Growers working with Taylor Shellfish captured a female European green crab while working in oyster beds last week. This crab is the fourth that has been found in Samish Bay this year, the first three detections occurring in early January. At about 75mm (~3″) across the back shell, this crab was relatively large for a female, but had a thin, pliable shell, indicating she had recently molted. Growers noticed the crab while processing an oyster pallet, removed ...

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Green Crab Trappers Get Skunked at Pysht

July 17, 2019

Drenched and muddy, but greatly relieved, we packed all 150 traps out of the Pysht estuary this morning. Over the past three days, in partnership with the Lower Elwha Klallam Tribe and Washington Department of Fish and Wildlife, Crab Team staff participated in an expanded assessment trapping effort that resulted in roughly 300 trap sets, and, most importantly, zero detections of European green crabs.

The Pysht river estuary is a huge and beautiful marsh, with miles of muddy channels, ...

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Additional Green Crabs Captured in Whatcom County

  July 8, 2019

Last week was a busy one for European green crab monitoring on Washington’s inland shorelines. Two expanded trapping efforts were taking place simultaneously at the beginning of the week, with mixed results. The first, a trapping effort in Whatcom County conducted by Washington Department of Fish and Wildlife (WDFW) Technician, Chelsey Buffington, turned up three European green crab in Chuckanut Bay. WDFW conducted this trapping in response to the recent discovery of a green ...

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Protocol In Focus: Why do we estimate the roots of vegetation?

June 3, 2019

One strength of the Crab Team protocol is that it enables us to confidently compare findings among sites, and track changes over time – even if different people are doing the sampling. With sampling on this scale, even the small steps can be important to what we learn from the data. Protocol in Focus allows us to expand on these details, and offer an opportunity to see all the behind-the-scenes planning that goes into methodology. 

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New detection of European green crab in Bellingham

May 30, 2019

The remains of a European green crab were found in Squalicum Harbor in Bellingham earlier this week, the first evidence of the global invader confirmed in Whatcom County. Casey Pruett, director of the Marine Life Center, noticed a gull feeding on the carcass at the boat ramp immediately adjacent to the center, recognized it as a European green crab, and reported to Angela Foster, the on duty WDFW agent at the harbor. Most of the ...

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Green Crab Trapping Resumes in the Salish Sea

May 13, 2019

The return of spring means trapping season for green crab is now under way. In April, WSG Crab Team resumed early detection trapping across the monitoring network along Washington’s inland shorelines. We’re pleased to share that Crab Team has received funding to continue this work for the next biennium (July 2019 – June 2021) in the Washington State budget. To date, the program was funded primarily through the Puget Sound Marine and Nearshore Grant Program (US Environmental ...

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