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Type: Journal article
Title: Spatial zoning to conserve fish species with complex life cycles in estuaries
Author: Duarte de Paula Costa, M.
Magris, R.A.
Muelbert, J.H.
Vieira, J.P.
Castello, J.P.
Copertino, M.S.
Possingham, H.P.
Citation: Ocean and Coastal Management, 2022; 221:106115-1-106115-12
Publisher: Elsevier
Issue Date: 2022
ISSN: 0964-5691
Statement of
Micheli Duarte de Paula Costa a, Rafael A. Magris b, Jos, e Henrique Muelbert c, Joao, Paes Vieira d, Jorge Pablo Castello e, Margareth S. Copertino f, Hugh P. Possingham
Abstract: Fish conservation in estuaries is complex because there are diverse social values and interests associated with estuarine ecosystems and multiple ecological processes (e.g., nursery, connectivity, and population dynamics). Furthermore, ontogenetic shift has an important role in determining fish habitat use (e.g. pelagic vs benthic environments), and consequently, critical implications for conservation. Here, we develop a prioritisation approach to create conservation zones in an estuarine system that considers fishery costs while also integrating pelagic and benthic habitats for different life history stages (from eggs to adults), and multiple conservation objectives. We applied our approach to the whitemouth croaker Micropogonias furnieri in the Patos Lagoon estuary (Brazil) and tested four scenarios based on different objectives, zone types and targets. In this study, we used Marxan and Marxan with Zones and accounted for 41 conservation features (including habitat type, vegetation and seasonal distribution of whitemouth croaker within the estuary). Overall, we found two important results. First, spatial priorities for the no-take and partially protected zones did not change substantially and were very robust to variation in uncertain parameters. Second, an integrated conservation plan with multiple zones requires less area to be designated as no-take zone than a traditional conservation plan with a single zone. A well-designed conservation plan based on multiple life stages may help to ensure the recruitment, persistence and management of important estuarine resources.
Keywords: Fish habitat; Zoning; Estuaries; Marxan with zones; Micropogonias furnieri; Conservation planning
Rights: © 2022 Elsevier Ltd. All rights reserved
DOI: 10.1016/j.ocecoaman.2022.106115
Appears in Collections:Ecology, Evolution and Landscape Science publications

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