An integrated evaluation of potential management processes on marine reserves in continental Ecuador based on a Bayesian belief network model

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Authors: Stafford, R., Clitherow, T.J., Howlett, S.J., Spiers, E.K.A., Williams, R.L., Yaselga, B., Valarezo, S.Z., Vera Izurieta, D.F. and Cornejo, M.

http://eprints.bournemouth.ac.uk/23098/

Journal: Ocean and Coastal Management

Volume: 121

Pages: 60-69

ISSN: 0964-5691

DOI: 10.1016/j.ocecoaman.2015.12.010

© 2015 Elsevier Ltd. Evaluating potential effects of conservation and management actions in marine reserves requires an understanding not only of the biological processes in the reserve, and between the reserve and the surrounding ocean, but also of the effects of the wildlife on the wider political and economic processes. Such evaluations are made considerably more difficult in the absence of good ecological data from within reserves or consistent data between reserves and the wider marine environment, as is the case in much of mainland Ecuador. We present an approach to evaluate the effects of a wide range of possible management processes on the marine ecology of the Machalilla National Park, as well as that of the surrounding marine environments (including recently established reserves) and related socio-economic pressures. The approach is based on Bayesian belief networks, and as such can be used in the presence of sparse data from multiple and disparate sources. We show that currently there are no observable benefits of marine reserves to reef and fish community structure, and that high value (normally predatory) fish, which are sought by fishers and shark finners are frequently absent from reef systems. We demonstrate that there is broad similarity in ecological communities between most shallow marine systems, in or out of marine reserves, and predict there can be a strong effect from actions outside the reserve on what is present within it. We also show that establishing a stronger link between (responsible) ecotourism and the marine environment could reduce the need for income in other more destructive areas, such as fishing and particularly shark finning, and discuss ways that high value, low impact eco-tourism could be introduced.

This source preferred by Rick Stafford

This data was imported from Web of Science (Lite):

Authors: Stafford, R., Clitherow, T.J., Howlett, S.J., Spiers, E.K.A., Williams, R.L., Yaselga, B., Zeas Valarezo, S., Vera Izurieta, D.F. and Cornejo, M.

http://eprints.bournemouth.ac.uk/23098/

Journal: OCEAN & COASTAL MANAGEMENT

Volume: 121

Pages: 60-69

eISSN: 1873-524X

ISSN: 0964-5691

DOI: 10.1016/j.ocecoaman.2015.12.010

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