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The spread of exotic species is homogenizing the traits of ecological communities around the globe. New species inadvertently or intentionally are being introduced into the waters of the United States every year. Invasive species (also called introduced, no indigenous (NIS), alien, non-native, or exotic species) are officially defined as “alien species whose introduction does or is likely to cause economic or environmental harm to human health” (Executive Order 13112, Federal Register 1999). Most pose little or no threat; however, a few like New Zealand Mud Snail, have the potential to disrupt local ecosystems, fisheries, and human infrastructure. The negative effects of New Zealand Mud Snail on ecosystems may occur immediately or after some period of delay. The modifications in native systems caused by presence of high densities of NZMS have generated much concern about the potential impacts that P. antipodarum may have on native species, fisheries and aquatic ecosystems in the United States.
| P. antipodarum on aquatic plants in Piru Creek CA photo by Danuta Bennett |
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In attempting to understand the ecological impact of Potamopyrgus antipodarum in US watersheds we are developing this website to provide information about ecology and management of P. antipodarum (NZMS).
This site t is part of a multistate effort in California, Nevada and Arizona to bring you the latest information about invasion of New Zealand Mud Snail in the Southwestern part of United States. Our goal is to provide comprehensive, accurate and timely information on the spread of the invasive NZMS in that region.
Despite the fact that our main research focuses on the Southwestern part of United States, we also try to provide general overview of current status of NZMS research, its ecology and management as well as field safety techniques. |
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Potamopyrgus antipodarum (Gray) Photo By D. Bennett |
REPORT NEW ZELAND MUD SNAIL
Use this form to report new location of New Zealand Mud Snail to help us prioritize research and protect native habitats.
For more information about our studies, or with questions about reporting new locations of NZMS, please see our contact information or email your questions directly to Danuta Bennett and Tom Dudley |
