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Marine Ecology Progress Series

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MEPS 588:121-134 (2018)  -  DOI:

Coupling remote sensing with in situ surveys to determine reef fish habitat associations for the design of marine protected areas

Whitney Goodell1,*, Kostantinos A. Stamoulis1,2, Alan M. Friedlander1,3

1Fisheries Ecology Research Lab, Department of Biology, University of Hawai‘i at Mānoa, Honolulu, HI 96822, USA
2Curtin University, School of Molecular and Life Sciences, Perth WA 6102, Australia
3Pristine Seas, National Geographic Society, Washington, DC 20036, USA
*Corresponding author:

ABSTRACT: Nearshore fish populations are in decline in the main Hawaiian Islands, and effective, sustainable management is needed. There has been increasing emphasis on the value of ecosystem-based management and the conservation of essential fish habitat, but policy is encumbered by a lack of supporting information. This study uses science and technology to support traditional knowledge in identifying juvenile fish habitats, providing a basis for effective resource management in a rural Hawaiian community. Building on existing local knowledge of nearshore resources, we quantitatively assessed juvenile fish-habitat associations. We conducted fine-scale in situ ecological surveys of juvenile reef fishes and their habitats, and produced detailed benthic habitat maps using GIS and interpretation of satellite imagery, from which we extracted multi-scale seascape variables. Canonical correspondence analysis was used to assess fish-habitat relationships at multiple scales. Depth, coral cover, structural complexity, scattered rock and coral habitat, and distance to shore emerged as primary factors associated with juvenile reef fish abundance. We identified the habitat associations of 2 important food resource species in the study area of Hā‘ena, Kaua‘i: the convict tang Acanthurus triostegus sandvicensis, an endemic subspecies, and the redlip parrotfish Scarus rubroviolaceus. Results from this study played an important role in the successful approval of the Hā‘ena community-based fishery management plan by the state governing agency. We argue that an ecosystem-based co-management approach, informed by conventional survey methods, remote sensing technology, and traditional knowledge, can help to ensure the sustainability of fisheries worldwide.

KEY WORDS: Nursery habitat · Fish-habitat relationships · Habitat mapping · Remote sensing · Juvenile fishes · Hawai‘i · Resource management · Spatial fisheries management

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Cite this article as: Goodell W, Stamoulis KA, Friedlander AM (2018) Coupling remote sensing with in situ surveys to determine reef fish habitat associations for the design of marine protected areas. Mar Ecol Prog Ser 588:121-134.

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