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 2009 Early
Detection of Dreissena Mussels in the West
The workshop was held 21-22 January
2009 in Denver, Colorado. This 1.5 day meeting immediately
preceded a national-level 100th Meridian Initiative meeting (22-23 January)
where a comprehensive regional monitoring plan
for 2009 was initiated. The ultimate goal for workshop participants was to provide vetted recommendations to the 100th Meridian Initiative
regarding the early
detection and monitoring of the dreissenid invasion of western waters.
Meeting Objectives and Outcomes
- Objective: Identification of current state of the art detection and
monitoring approaches.
Outcome: Participants should understand the state of the art of cross-polarized
light microscopy-based and PCR-based larval detection assays. Participants
should be familiar with survey/detection approaches for juvenile
settlers and discovery of adult populations
- Objective: Identification of current regional practices for early
detection, monitoring of Dreissenid mussels.
Outcome: Familiarize all participants with ongoing early detection
and monitoring programs. Recognize the priorities and limitations
facing
each state.
- Objective: Identify the most important criteria for deciding that
a body of water is infested with zebra/quagga mussels.
Outcome: Reach consensus among participants (managers and scientists)
about when a water body is considered to be mussel infested. Propose
a scaled (Green to Red) system of zebra mussel risk that could be
linked to specific management actions. We won’t deal with the
specific management actions at this workshop but at the 100th Meridian
Initiative meeting
following.
- Objective: Outline a comprehensive monitoring and early detection
plan that can be used to draft the 2009 plan at the 100th Meridian
Initiative meeting.
Outcome: Produce a draft of an early detection and monitoring plan
that will facilitate its draft at the following 100th Meridian meeting.
For workshop deliverables, please see our monitoring page.
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