Authorities have intercepted six watercraft that illegally attempted to launch on Lake Tahoe amid a campaign to keep golden mussels and other invasive species out of the iconic Sierra lake. The boaters stopped this summer by Tahoe Regional Planning Agency inspectors were attempting to enter the lake with tampered inspection seals. The wire seals certify a vessel had either been decontaminated and inspected for invasive species or was last launched in the Lake Tahoe basin, agency officials said in a news release. … Inspectors at the agency’s Meyers inspection station found four invasive golden mussels aboard a boat bound for Lake Tahoe from the Sacramento area in May, officials said. Agency officials turned the vessel over to the California Department of Fish and Wildlife.

Other aquatic nuisance species news:

• Buckrail (Jackson Hole, Wyo.): Reminder: Watercraft users in Wyo must follow aquatic invasive species rules
• The Conversation: Blog: When your local reflecting pool or pond turns green with algae, don’t reach for chemicals – nature has better solutions