Marine Habitat Classification for Ecosystem-Based Management: A Proposed Hierarchical Framework |
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Authors: | Marisa L Guarinello Emily J Shumchenia John W King |
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Institution: | (1) Graduate School of Oceanography, University of Rhode Island, South Ferry Road, Narragansett, RI 02882, USA |
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Abstract: | Creating a habitat classification and mapping system for marine and coastal ecosystems is a daunting challenge due to the
complex array of habitats that shift on various spatial and temporal scales. To meet this challenge, several countries have,
or are developing, national classification systems and mapping protocols for marine habitats. To be effectively applied by
scientists and managers it is essential that classification systems be comprehensive and incorporate pertinent physical, geological,
biological, and anthropogenic habitat characteristics. Current systems tend to provide over-simplified conceptual structures
that do not capture biological habitat complexity, marginalize anthropogenic features, and remain largely untested at finer
scales. We propose a multi-scale hierarchical framework with a particular focus on finer scale habitat classification levels
and conceptual schematics to guide habitat studies and management decisions. A case study using published data is included
to compare the proposed framework with existing schemes. The example demonstrates how the proposed framework’s inclusion of
user-defined variables, a combined top-down and bottom-up approach, and multi-scale hierarchical organization can facilitate
examination of marine habitats and inform management decisions. |
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