(click here) to download the Lake Tahoe Region Aquatic Invasive Species Management Plan. (November 2009; 3.6 MB Download)
The Plan has been approved by the Aquatic Nuisance Species Task Force and endorsed by the Governors of Nevada and California and the TRPA executive director.
The U.S. Army Corps of Engineers, the California Tahoe
Conservancy, and the Lake Tahoe AIS Coordination Committee have worked together to compile this plan. All involved agencies appreciate the role the public has played in creating the plan and is thankful for the efforts of everyone to prevent the spread of AIS to the Lake Tahoe Region.
Aquatic invasive species threaten the economic, environmental, and aesthetic value of this important resource to states of California and Nevada.
The goals of the Plan are to:
- Prevent new introductions of AIS to the Tahoe
- Limit the spread of existing AIS populations in the
Tahoe Region, by employing strategies that minimize threats to native species,
and extirpate existing AIS populations when possible
- Abate harmful ecological, economic, social and
public health impacts resulting from AIS
Aquatic invasive species such as thick growths of invasive aquatic weeds, clams,
snails, and even warm water fish threaten waterways in a number of ways.
Consequences of establishment include degradation of water quality, loss of
important habitat to native species, impacts to water conveyance structures, and
negative economic impacts to the Lake Tahoe Region. Without substantial and
coordinated AIS prevention, monitoring, control,
education, and research efforts, changes
to the Lake Tahoe ecosystem could result in severe impacts to the local economy
and unique natural setting.
Aquatic invasive species are known to be transported from
infested lakes and rivers via a variety of pathways, for example, recreational
watercraft, fishing gear, waders, construction machinery, and rafts. These
unwanted species include: the notorious zebra and quagga mussels, Eurasian
watermilfoil and curlyleaf pondweed (aquatic weeds), and Asian clams. Despite
public awareness campaigns and regulations prohibiting their introduction, both
plant and animal invaders are found on boats traveling to or preparing to launch
in Lake Tahoe and other waterbodies in the Region.
Additional studies have been carried out by researchers at the University of Nevada, Reno to measure the survivability and inherent risk of Quagga mussels at Lake Tahoe.
(click here) for an overview of the Survivability Study.
information about aquatic invasive species:
(Aquatic Nuisance Species Task Force)
(California AIS Management Plan)
(California Department of Fish and Game, AIS documents)
(California Department of Fish and Game, Invasive Species Program)
(Stop Aquatic Hitchhikers)
(Tahoe Regional Planning Agency)
(Tahoe Resource Conservation District, Lake Tahoe AIS Sub-program)
(U.S. Army Corps of Engineers, Aquatic Nuisance Species Research
(U.S. Department of Agriculture, National Invasive Species
(Western Regional Panel on Aquatic Nuisance Species)