Nekton communities as indicators of habitat functionality in Philippine mangrove plantations

Salmo, Severino G., Tibbetts, Ian R., and Duke, Norman C. (2018) Nekton communities as indicators of habitat functionality in Philippine mangrove plantations. Marine and Freshwater Research, 69 (3). pp. 477-485.

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Abstract

In the present study, we investigated the changes to nekton communities with increasing mangrove forest age and relationships between nekton and the mangrove vegetation, mangrove sediments and environmental variables. The nekton community was assessed as a potential indicator for evaluating habitat functionality of mangrove planting programs. In all, 99 species from 52 families were captured, including crabs, shrimp, squid and fish. The crustacean assemblage was dominated by Portunidae and Penaeidae, whereas the fish assemblage was dominated by Atherinidae, Apogonidae, Hemirhamphidae, Tetraodontidae, Congridae, Sphyraenidae, Murraenidae, Ambassidae, Gerreidae, Clupeidae, Platycephalidae, Gobiidae, Mullidae and Plotosidae, with these families accounting for 90% of all individuals collected. The species composition, abundance and biomass of the nekton community were not significantly correlated with mangrove vegetation and sediment variables, but were significantly associated with environmental variables, particularly proximity to reef and tidal inundation. The lack of correlations suggests that the whole nekton assemblage was not a useful indicator in evaluating the progress of restoring habitat functionality in these planted mangroves. However, a significant interaction with mangrove vegetation was found for non-fish components of the nekton. As such, crustaceans, particularly of the Portunidae and Penaeidae families, were useful indicators for determining the habitat functionality of planted mangroves.

Item ID: 51189
Item Type: Article (Refereed Research - C1)
Keywords: mangrove; habitat; planted; rehabilitation; crustaceans; fish; Philippines; restoration indicator; IWP
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ISSN: 1448-6059
Funders: Ford Foundation - International Fellowships Program, International Foundation for Science (IFS), University of Queensland (UQ)
Projects and Grants: IFS D/4667-1
Date Deposited: 11 Oct 2017 01:23
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 30%
05 ENVIRONMENTAL SCIENCES > 0501 Ecological Applications > 050102 Ecosystem Function @ 30%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050207 Environmental Rehabilitation (excl Bioremediation) @ 40%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960503 Ecosystem Assessment and Management of Coastal and Estuarine Environments @ 30%
96 ENVIRONMENT > 9612 Rehabilitation of Degraded Environments > 961201 Rehabilitation of Degraded Coastal and Estuarine Environments @ 40%
96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960802 Coastal and Estuarine Flora, Fauna and Biodiversity @ 30%
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