Hamilton County Soil and Water Conservation District

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Invasive Species

Our Mission
The HCSWCD’s mission is to manage and promote the wise us of natural resources in Hamilton County. Monitoring and protecting the integrity of our county waters and lands has been a major concern for many
years. Now we have embraced the effort to prevent the spread of invasive species into the county. A non-
native invasive species is one that is introduced outside of its historical range, reproduces rapidly, displaces
native species and decreases biodiversity.

We have partnered with the Adirondack Park Invasive Plant Program (APIPP), our water quality
coordinating committee, Cornell Cooperative Extension of Hamilton County (CCE), local towns and
highway departments, and lake associations to accomplish this task. Efforts including participating and
promoting APIPP workshops; developing and distributing educational posters, brochures, and displays;
working with CCE to inventory invasive species, offering presentations; monitoring for invasive species; and management practices. Contact our office if you are interested in scheduling a presentation discussing the
biology of invasive species and management strategies.

Programs
Invasive Insect Trapping Program
Volunteer Plant Management
Adirondack Park Invasive Species Awareness Week
Don't Move Firewood
PRISMs - Partnerships for Regional Invasive Species Management

Brochures and Posters
Aquatic Invasive Plants
Terrestrial Invasive Plant
Invasive Plant Management
Stop the Invaders!
The Silent Invaders
Wanted!
Hemlock Woolly Adelgid

Reports and Articles
Garlic Mustard Press Release
Native Plants Press Release
Spiny Water Fleas Press Release
Zebra Mussel Report
Lake Adirondack Aquatic Plant Survey
Adirondack Park Invasive Plant Program Annual Report
Paul Smith's College Water Stewardship Report
Mistaken Identity Identification Guide

Websites
Adirondack Park Invasive Plant Program
The Nature Conservancy of New York
Cornell Cooperative Extension
Adirondack Park Agency
New York State Invasive Plant Council
New York State Department of Environmental Conservation
New York State Department of Transportation

Aquatic Invasive Plants

Eurasian Watermilfoil

Now established in 5th-7th Lakes and Lake Algonquin.

Plant ID

DEC

NY Times Article

Lake George Association

IPANE

Info

Curlyleaf Pondweed

Not established in Hamilton County but could enter via watercraft.

Plant ID

Not established in Hamilton County but could enter via watercraft.

Plant ID

Not established in Hamilton County but could enter via watercraft.

Sea Grant

IPANE

CNY Regional Planning Board

Plant ID

DEC

Terrestrial Invasive Plants
Japanese Knotweed Established throughout Hamilton County, especially along transportation corridors and riparian areas		Plant ID USDA Info CCE Sea Grant
Purple Loosestrife Established throughout Hamilton County, especially along transportation corridors, gardens, and riparian areas		Plant ID USDA Nature Conservancy Article CCE Forest Service
Common Reed Grass Established throughout Hamilton County, especially along transportation corridors		Plant ID Info Plant Profile Control
Yellow Flag Established in the Siamese Ponds Wilderness		Plant Profile
Garlic Mustard Established throughout Hamilton County, especially in campgrounds		Plant ID NY Times Article Profile
Invasive Insects
Emerald Ash Borer Not yet established in Hamilton County, but could enter via firewood. Recently confirmed in Randolph, Cattaraugus County NY.		Establishment in Randolph, NY Poster NYS-PRISM Teleconference DEC Info Brochure Info Adirondack Almanic Cornell University Article
Asian Longhorn Beetle Not yet established in Hamilton County, but could enter via firewood		NYC Dept of Parks and Rec USDA NYS DEC Fact Sheet Massachusetts Invasion
Brown Spruce Longhorn Beetle Not yet established in Hamilton County, but could enter via firewood		CAPS Fact Sheet Invasive.org Minnesota Department of Agriculture Canadian Food Inspection Agency
Hemlock Woolly Adelgid Not yet established in Hamilton County		NYS DEC US Forest Service USDA Invasives.org
Sirex Woodwasp Confirmed in Arietta (Piseco)		NYS DEC Report USDA Life Cycle
The Others
Spiny Water Flea Confirmed in the Great Sacandaga Lake		NYS DEC Sea Grant NPS Fact Sheet Protect Your Waters
White Nose Syndrome A fungus is killing our bats, and scientists are working to determine the specifics. Some bat populations in caves have reached 80-100% mortality. With an alarming decrease in bat populations comes increased insect populations, resulting in the use of more pesticides.		Associated Press Article PA Game Commission Article USFWS Info DEC Info USGS Info NY Times Article NPR Article
Rock Snot This invasive aquatic algae is established in New York State and smoothers stream bottoms. Invertebrates and plants are killed, reducing food for fish.		NY Times Article US EPA Info USDA Info What is Didymo?