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New York State DEC wants mute swans killed or captured by 2025  By Cyndi Murray Riverhead News Review Citing “aggressive behavior towards people” and “destruction of submerged aquatic vegetation,” the state Department of Environment Conservation has released a new plan to kill or capture all wild mute swans by 2025. The DEC’s Management Plan for Mute Swans in New York State aims to reduce the population of mute swans, which has grown considerably in recent years on Long Island. ... The DEC is accepting comments on the mute swan plan through Feb. 21. Mail your thoughts to NYSDEC Bureau of Wildlife, Swan Management Plan, 625 Broadway, Albany, NY 12233-4754 Read the full story at link .

The environmental, and economic, costs of invasive species Ignoring the impacts of ecosystem changes comes with a price tag  By Alexandra Pecci The New Hampshire Business Review T he tunicate is a spineless marine animal that’s better known by another name -- sea squirt, which sounds like a cute little creature that might be the best friend of a cartoon mermaid. But Larry Harris has a nickname for didemnum, one particular kind of sea squirt that is anything but cute.   "My term for it is the tunicate from hell,” says Harris, professor and chair of the department of biological sciences at the University of New Hampshire. That’s because didemnum grow in thick, sheet-like colonies that cover moorings, pilings, float bottoms and anything else they can get a hold of. In New Hampshire, it’s a serious marine pest. Didemnum is one of many non-native, invasive species that dominate the coastal waters of New Hampshire and New England. Invasive marine species like didemnum do m...

Extreme cold may wipe out high percentage emerald ash borer larvae By Paul Huttner Minnesota Public Radio Here’s one resident who may welcome the extreme cold wave headed for Minnesota. Your local ash tree. The extreme temperatures moving in with Sunday’s arctic blast may kill off a significant percentage of emerald ash borer larvae, according to one of the premier forestry experts in Minnesota. Read the full story at link .