Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 501894
Title Towards an ecosystem-based approach of Guam's coral reefs : The human dimension
Author(s) Weijerman, M.; Grace-McCaskey, Cynthia; Grafeld, Shanna L.; Kotowicz, Dawn M.; Oleson, Kirsten L.L.; Putten, Ingrid E. van
Source Marine Policy 63 (2016). - ISSN 0308-597X - p. 8 - 17.
DOI http://dx.doi.org/10.1016/j.marpol.2015.09.028
Department(s) Environmental Systems Analysis Group
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) Coral reef ecosystem - Fisheries - Guam - Marine resource use - Socio-ecological model - Tourism
Abstract

Management of tropical reef ecosystems under pressure from terrestrial and extractive marine activities is not straightforward, especially when the interests of extractive and non-extractive marine resource sectors compete. Before implementing management actions, potential outcomes of alternative management strategies can be evaluated in order to avoid adverse or unintended consequences. In tropical reef ecosystems the continued existence of the cultural and recreational fishing activities and the economically important dive-based tourism and recreation industry rest on sustainably managed marine resources. Through a case study of Guam, an ecosystem model was linked with human behavior models for participation in fishing and diving to evaluate future socio-ecological impacts of different management options. Ecosystem indices for reef status and resilience, and extraction potential were identified to evaluate the performance of alternative management scenarios. These marine ecosystem indices link the natural system to human uses (fishing and dive-based tourism and recreation). Evaluating management scenarios indicate that applying a single management tool, such as input controls or marine preserves, without also managing the watershed, is suboptimal. Combining different management tools has negative near-term costs, particularly for the fishing sector, but these are likely to be outweighed by the long-term benefits obtained from greater species abundance. Adopting watershed management measures in addition to fishery regulations distributes the burden for improving the reef status across multiple sectors that contribute to reef pressures.

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