[Federal Register: October 19, 2006 (Volume 71, Number 202)]
[Notices]
[Page 61793-61794]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr19oc06-120]
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DEPARTMENT OF THE INTERIOR
Fish and Wildlife Service
Draft National Management and Control Plan for the New Zealand
Mudsnail (Potamopyrgus antipodarum)
AGENCY: Fish and Wildlife Service, Interior.
ACTION: Notice of document availability and request for comments.
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SUMMARY: This notice announces the availability of the draft ``National
Management and Control Plan for the New Zealand Mudsnail (Potamopyrgus
antipodarum).'' The draft was prepared by the New Zealand Mudsnail
Working Group of the Aquatic Nuisance Species Task Force. We are
seeking public comments on this draft document. Comments received will
be considered during the preparation of the final national management
and control plan, which will guide cooperative and integrated
management of Zealand mudsnails in the United States.
DATES: Submit your comments on the draft ``National Management and
Control Plan for the New Zealand Mudsnail (Potamopyrgus antipodarum)''
by December 4, 2006.
ADDRESSES: The draft document is available from the Executive
Secretary, Aquatic Nuisance Species Task Force, U.S. Fish and Wildlife
Service, 4401 North Fairfax Drive, Arlington, VA, 22203; FAX (703) 358-
1800. It also is available on our Web page at http://www.anstaskforce.gov/.
Comments may be hand-delivered, mailed, or sent
by fax to the address listed above. You may send comments by e-mail to:
NZmudsnailPlan@fws.gov.
FOR FURTHER INFORMATION CONTACT: Scott Newsham, Executive Secretary,
Aquatic Nuisance Species Task Force, at scott_newsham@fws.gov or (703)
358-1796.
SUPPLEMENTARY INFORMATION: The New Zealand mudsnail (Potamopyrgus
antipodarum) is indigenous to New Zealand and its adjacent islands. In
New Zealand, the snails have been found in nearly every aquatic habitat
including large rivers, forested tributary streams, thermal springs,
ponds, glacial lakes, and estuaries. Over the past 150 years, New
Zealand mudsnails have spread in three continents.
Three different clones of New Zealand mudsnails have been
identified in the United States: one is found in Lakes Ontario, Erie
and Superior and is the same as Clone A found in Europe; the second is
found in nine western States, having spread out from an initial
population in the Snake River in Idaho; and the third has recently been
identified in the Snake River, Idaho. It is speculated that the eastern
U.S. clone came in ballast water from Europe and the western U.S.
clones came from the commercial movement of aquaculture products such
as trout eggs or live fish from Australia or New Zealand.
The introduced populations of these tiny snails (up to 6 mm) are
mostly all female, and the snails are live bearers. Males are present
only rarely in North America. Densities of New Zealand mudsnails
fluctuate widely, reaching
[[Page 61794]]
500,000 snails per square meter in some locations.
A database established on the ``New Zealand Mudsnail in the Western
USA'' Web site (http://www.esg.montana.edu/aim/mollusca/nzms/) is being
used to track new populations and keep people informed about the latest
research. A map showing affected watersheds is kept current by the
Department of Ecology at Montana State University-Bozeman.
In 2003, the Aquatic Nuisance Species Task Force (ANSTF), which is
authorized by the Nonindigenous Aquatic Nuisance Prevention and Control
Act of 1990 (16 U.S.C. 4701 et seq.), established the New Zealand
Mudsnail Management Plan Working Group (Working Group) to create a
national management and control plan for New Zealand mudsnails. The
goal of the national management and control plan for New Zealand
mudsnails is to prevent and delay the spread to new areas of the United
States, reduce the impacts of existing and new populations, and
continue developing information to meet this goal. The Working Group
developed the following objectives: (1) Identify foci, pathways and
vectors; (2) develop methods of detecting new populations; (3) develop
strategies and methods to control and manage populations; (4) develop
further understanding of ecological and economic impacts; and (5)
increase public understanding of the need to deal with New Zealand
mudsnails and gain political support for implementing national plan
objectives.
We are seeking public comments on all aspects of the Working
Group's draft ``National Management and Control Plan for the New
Zealand Mudsnail (Potamopyrgus antipodarum).'' Submit your comments by
the date listed in DATES using one of the methods listed in ADDRESSES.
Authority: The authority for this action is the Nonindigenous
Aquatic Nuisance Prevention and Control Act of 1990 (16 U.S.C. 4701
et seq.).
Dated: September 25, 2006.
Everett Wilson,
Acting Co-Chair, Aquatic Nuisance Species Task Force, Acting Assistant
Director--Fisheries & Habitat Conservation.
[FR Doc. E6-17403 Filed 10-18-06; 8:45 am]
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