A draft report by the Pacific States Marine Fisheries Commission shows that funding for watercraft inspection stations in the four Northwest states in 2020 remained nearly the same as levels spent in 2019. However, interceptions of small watercraft infested with zebra or quagga mussels at the states’ borders rose by 15 percent.
The Oregon Department of Agriculture has filed emergency rules prohibiting the import of Marimo or moss balls infested with invasive zebra mussels.
On the heels of a successful and significant reduction of lake trout in Lake Pend Oreille, Idaho is now using some of the same methods – gillnetting and an angler rewards program – it used to fight lake trout in a new effort to reduce the population of invasive walleye in the lake.
Nearly 3,000 moss balls, which are suspected or confirmed to be contaminated with zebra mussels, have been seized or surrendered to British Columbia conservation officers as part of widespread efforts to stop the potential spread of the invasive species.
Some invasive species targeted for total eradication bounce back with a vengeance, especially in aquatic systems, finds a study led by the University of California, Davis.
A citizen’s report of an invasive zebra mussel found in an aquarium moss package found in a pet store prompted a U.S. Geological Survey expert on invasive aquatic species to trigger nationwide alerts last week that have led to the discovery of the destructive shellfish in pet stores in at least 21 states from Alaska and the Northwest to Florida.
Managing invasive species--not eliminating them altogether--is a better use of time and conservation resources in many cases, according to a study led by a University of Alberta biologist.
The Washington Department of Fish and Wildlife’s Aquatic invasive species unit in 2020 detected more boats than ever fouled with non-native organisms.
Natural resource managers in British Columbia discovered several adult male and female European green crabs on Haida Gwaii this past July. Alarm bells immediately went off for biologists in Alaska.