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Action Plan 11:
Managing Invasive and Nuisance Species

October 17, 2011 draft final

About the new Buzzards Bay CCMP Action Plans
The Buzzards Bay NEP is now updating our 1991 landmark Buzzards Bay Comprehensive Conservation and Management Plan (CCMP) to reflect the great progress achieved since that plan was finalized. It will include new or updated goals, objectives, and management solutions to meet the environmental needs for Buzzards Bay and its surrounding watershed throughout the next decade.

On this page is a draft action plan from the updated Buzzards Bay Comprehensive Conservation and Management Plan. The text on this page is a public draft provided to invite comment and discussion of the subject by residents and stakeholders. It may contain goals and recommendations that have not yet been endorsed or approved by the Buzzards Bay Steering Committee. The views or information contained here do not necessarily reflect the views of the Commonwealth of Massachusetts or the US Environmental Protection Agency.

We want your feedback on this action plan. First, please read the entire action plan Managing Invasive and Nuisance Species. Then at the bottom of this page click the "Rate the Goals and Objectives now" button to provide comments on each goal, objective and defined management approach contained in this Action Plan. Based on your feedback, we will update and revise all the action plans in the new CCMP.

Managing Invasive and Nuisance Species

Problem

Aquatic and terrestrial nuisance and invasive species represent a threat to endemic natural ecosystem of Buzzards Bay and its surrounding watershed. Once invasive species become established in an ecosystem, they are virtually impossible to eliminate. Therefore, management emphasis must be placed on regulatory controls and increased public awareness to prevent new introductions. Monitoring existing and identifying new invasives is an important tool in this effort by potentially helping elucidate transport pathways, and by identifying new introductions at an early stage where there may be a slight potential to eradicate them.

Goals

Goal 11.1. Minimize the potential introduction of new invasive and nuisance species to Buzzards Bay and its surrounding watershed.

Goal 11.2. Reduce the extent and limit the spread of existing invasive and nuisance species that are degrading habitats of Buzzards Bay and its surrounding watershed.

Objectives

Objective 11.1. Adopt and enforce laws, regulations, and policies that will reduce the potential spread of invasive species.

Objective 11.2. Educate the public, farmers, nursery owners, fisherman, pet store owners, the shipping industry, and other relevant sectors about individual actions that can be taken to reduce the threat of introducing invasive and nuisance species to the environment.

Objective 11.3. Fund and promote actions and studies to control and reduce existing populations of invasive and nuisance species.

Objective 11.4. Monitor existing and new invasives in order to help discern introduction pathways and to identify species in early stages of introduction where there may be a slight potential for containment.

Solutions

For the most part, once an invasive species has en-tered a region, little can be done to reverse its presence or control its population. Therefore, management action should focus on preventing new introductions and to moni-tor existing conditions. Monitoring for the presence of introduced species is important so that scientists and man-agers can better discern whether shifts in naturally occur-ring species are likely the result of human perturbations, like pollution, or are possibly caused by predation or com-petition with introduced species. Monitoring can also doc-ument trends and help discern pathways of invasive migra-tions. This information can help inform policy decisions and regulatory formulation.

Posting maps and information about introduced spe-cies and enabling easy online reporting by residents can help achieve the objectives of this action plan. MCZM and the MassBays Program have already established websites for information on marine aquatic invasives in Massachusetts, and residents and municipal officials of Buzzards Bay should be encouraged to use the available online tracking and reporting forms.

The most effective approach to avoiding new introductions is through education and the enforcement of existing laws, regulations and through the adoption and enforcement of new preventative measures. These efforts will not succeed unless there is increased awareness and acceptance of the problem by the public, businesses, and educational institutions. In this way all these groups can take voluntary measures or implement best management practices to minimize the threat of introducing non-natives into the environment.

Because pathways, impacts, and the extent of introduced species has not been well documented or understood, monitoring and research is needed not only to evaluate success of control measures, but is a fundamental need to better define the extent of the problem and the viability of proposed solutions.

Costs and Financing

BBetter tracking, mapping, and monitoring of key invasive aquatic and terrestrial species in the Buzzards Bay watershed could be achieved with annual expenditures in the tens of thousands of dollars utilizing resident volunteers, online reporting with oversight and review by wildlife scientists and biologists. More comprehensive mapping efforts together with research into the pathways and impacts of invasives can cost millions of dollars. Measures to control species through eradication efforts can cost thousands to hundreds of thousands of dollars per site.

The cost to promulgate new regulations is negligible, but the compliance of industry with the regulations can be negligible (e.g. species import bans) to substantial (e.g. ballast water treatment.).

Measuring Success

The measure of the extent and abundance of introduced species (at a site or in a region), together with documentation of the rate of new species introductions will be the measure of the success of this action, as well as programmatic measures like the adoption of new regulations.

To fully understand the basis of these goals and objectives, and possible management approaches, , please read the complete Managing Invasive and Nuisance Species Action Plan (October 17, 2011 draft final, pdf file).

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