Publicado por: pongpesca | 2010/01/13

Ecosystem-Based Management (EBM) Tools Network Update – January 2010

Economic Analysis for Ecosystem-Based Management of Ocean and Coastal Resources: An Introduction

This document from the Massachusetts Ocean Partnership provides an introduction to the use of economic analysis for EBM.  Environmental and natural resource economics utilizes tools such as cost-benefit analysis, cost-effectiveness analysis, economic-impact analysis, and models using market and non-market data to quantify values and predict behavior.  These tools are well suited to and extremely important to effective EBM decision making.  Download the document.

Marine Ecosystems and Management Newsletter Volume 3 Number 3

Marine Ecosystems and Management (MEAM) is the quarterly information service on marine EBM.  The current edition focuses on Strategies for Proactive Management Amid Climate Change and includes interviews with two practitioners on Mapping Human Activities and Impacts on the Ocean.  Read current and past editions of MEAM.

Overview of the Ocean and Coastal EBM Implementation Handbook by Kathryn Mengerink of the Environmental Law Institute (January 20, 3 pm US EST). 

The Environmental Law Institute has released the Ocean and Coastal Ecosystem-Based Management: Implementation Handbook, which identifies successful approaches to implementing marine EBM, describes the limitations of these approaches, and highlights opportunities to apply the approaches in the future.  The various EBM approaches described may be useful in different settings depending upon regional needs and opportunities The Handbook also provides a spectrum of examples of projects that take steps toward EBM.  This webinar will give an overview of key findings and EBM examples from the Handbook.  Download the Handbook. Register for this webinar.

Presentation on Comparing Tool and Stakeholder-Based Approaches to Marine Reserve Network Design by Carissa Klein of the University of Queensland and Charles Steinback of Ecotrust (February 3, 7 pm US EST/4 pm US PST; February 4, 12 am GMT/10 am Australia EST).

In this presentation, two of the study’s authors will show the results of a comparison of the effectiveness of different marine reserve network proposals at representing biodiversity and minimizing estimated negative impacts to fishermen. Some marine reserve network proposals were designed by the study authors using a numerical optimization tool, and others were networks designed by stakeholders during the course of California’s Marine Life Protection Act Initiative.  The study authors used the same spatial data representing biodiversity and recreational fishing effort that were used by the stakeholders to design marine reserves. In addition, they used commercial fishing data not explicitly available to the stakeholders.  The study found that networks of marine reserves designed with numerical optimization tools represented the same amount or more of each habitat and had less of an estimated impact on commercial and recreational fisheries. The networks designed by the stakeholders could have represented more of each habitat with no additional impact on the fisheries. Of four different marine reserve proposals considered in the initiative, the proposal designed by fishermen was more efficient than the proposals designed by other stakeholder groups at representing biodiversity and minimizing impact to the fishing industry. These results highlight the necessity of using comprehensive information on fishing effort to design a reserve network that efficiently minimizes negative socioeconomic impacts.  For more information, contact the EBM Tools Network Coordinator Sarah Carr at

Demonstration of Marine Integrated Decision Analysis System (MIDAS) by Suchi Gopal and Les Kaufman of Boston University (March 10, 2 pm US EST/11 am US PST).  

MIDAS is a spatial decision support system to help marine managed area (MMA) managers and users quickly analyze and visualize outcomes from the interaction of socio-economic, governance, and ecological factors of MMAs.  Users can input data for 15 critical determining factors, five each for socio-economic, governance, and ecological factors.  The tool then displays possible outcomes such as state of governance, livelihoods, ecosystem health, outcomes related to MMA effectiveness, and maps of the spatial distribution of risk.  Learn more about MIDAS.  For more information, contact the EBM Tools Network Coordinator Sarah Carr at

Fonte: EBM tools – January 2010

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