Guide to Invasive Non-native Aquatic Species in Massachusetts - It's Free! : Zensational Ergonica!, The Art of Eco-Health

Guide to Invasive Non-native Aquatic Species in Massachusetts

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PDF 20 pages 16 weeds and animals identified by Massachusetts Department of Conservation and Recreation Lakes and Ponds Program, Michelle Robinson. Stop the Spread of Non-native Species! Text prepared by Michelle Robinson; Spiny Water Flea, Zebra Mussel and Asian Clam cowritten by Michelle Robinson and Jim Straub. Line drawings are from the Aquatic Vascular Plants of New England series with the exception of those noted below; photographs courtesy of the Florida Center for Aquatic & Invasive Species with the exception of those noted below: Variable Milfoil: Maine DEP Eurasian Milfoil: Photo: Pennsylvania Dept. Conservation & Natural Resources Fanwort: Ben Keift ( S. American Waterweed: Line drawing from the Center for Aquatic and Invasive Species; photo from The Nature Conservancy Curly-leaved Pondweed: Photo from Virginia Tech Weed Identification Guide European Naiad: Photo from USGS website Water Chestnut: Photo from Aquatic Vascular Plants of New England Yellow Floating Heart: Photo from Aquatic Vascular Plants of New England Purple Loosestrife: Photo from The Nature Conservancy Hydrilla Photo from The Nature Conservancy Parrot Feather: Line drawing from the Center for Aquatic and Invasive Species Zebra Mussel: Photo: Charles Ramcharan-Wisconsin Sea Grant Spiny Water Flea: U.S Fish and Wildlife Service Fish Hook Flea: Environmental Protection Agency website ? Mirja Rosenburg Asian Clam: Photo: Noel M. Burkhead, U.S. Geological Survey Drawing: Michelle Robinson Snakehead: Photo: Susan Trammel (USGS); drawing of snakehead Susan Trammel (USGS); bowfin Duane Raver (West Virginia DNR); burbot Ted Walke (Michigan DNR) Boat Check Image: Redrawn from Iowa DNR.

Non-native (or exotic) species are plants or animals that were brought to an area from another region. Many of these species have not evolved predators to keep their populations under control and as a result they often spread rapidly. A species that is able to invade and alter or disrupt an ecosystem is considered invasive. Many exotic plants grow rapidly, displacing the native plants and animals, resulting in a loss of biodiversity. Native plants are an essential part of the aquatic ecosystem, providing food, shelter and oxygen for other aquatic life. Some species have roots that stabilize the shore line, absorb nutrients and toxins and slow the flow of sediments into a waterbody. In addition to impacting native populations, exotic plants often form dense mats of vegetation that can impede boating, fishing and other recreational activities. Aesthetic appeal and property values frequently decline when an exotic species takes over. A Guide to Selected Invasive Non-native Aquatic Species in Massachusetts.

Species Identified with Images

Variable Milfoil Myriophyllum heterophyllum
Eurasian Milfoil Myriophyllum spicatum
Fanwort Cabomba caroliniana
Curly-leaved Pondweed Potamogeton crispus
European Naiad Najas minor
Water Chestnut Trapa natans
Purple Loosestrife Lythrum salicaria
Common Reed Phragmites australis
South American Waterweed Egeria densa
Hydrilla Hydrilla verticillata
Parrot Feather Myriophyllum aquaticum
Yellow Floating Heart Nymphoides peltata
Zebra Mussel Dreissena polymorpha
Zebra Mussel Dreissena polymorpha
Spiny Water Flea Bythotrephes cederstroemi
Fish Hook Flea Cercopagis pengoi

Click on Regional Links below for additional selections:
Regions Impacted: (See related documents in region) USA, New England, Northeast, Northeastern

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This product was added to our catalog on Friday 14 May, 2010.

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