Landscape context and nutrients modify the effects of coastal urbanisation

Nicholas A Yabsley; Ben Gilby; Thomas Schlacher; Christopher J Henderson; Rod M Connolly; Paul S Maxwell; Andrew D Olds

doi:10.1016/j.marenvres.2020.104936

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Landscape context and nutrients modify the effects of coastal urbanisation

Journal article

Peer reviewed

Landscape context and nutrients modify the effects of coastal urbanisation

Nicholas A Yabsley, Ben Gilby, Thomas Schlacher, Christopher J Henderson, Rod M Connolly, Paul S Maxwell and Andrew D Olds

Marine Environmental Research, Vol.158, 104936

2020

DOI: https://doi.org/10.1016/j.marenvres.2020.104936

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Abstract

shoreline armouring

nutrients

fish

estuary

spatial management

Estuaries are focal points for coastal cities worldwide, their habitats frequently transformed into engineered shorelines abutting waters with elevated nutrients in an urbanised landscape. Here we test for relationships between shoreline armouring and nutrients on the diversity and trophic composition of fish assemblages across 22 estuaries in eastern Australia. Urbanisation was associated with fish diversity and abundance, but there were differences in the effects of shoreline armouring and nutrient level on the trophic composition of fish assemblages. Fish diversity and the abundance of most trophic groups, particularly omnivores, zoobenthivores and detritivores, was greatest in highly urban estuaries. We show that estuarine fish assemblages are associated with urbanisation in more nuanced ways than simple habitat transformation would suggest, but this depends on the broader environmental context. Our findings have wider implications for estuarine conservation and restoration, emphasizing that ecological benefits of habitat measures may depend on both landscape attributes and water quality in urban settings.

Details

Title: Landscape context and nutrients modify the effects of coastal urbanisation
Authors: Nicholas A Yabsley (Author) - University of the Sunshine Coast - School of Science and Engineering
Ben Gilby (Author) - University of the Sunshine Coast - School of Science and Engineering
Thomas Schlacher (Author) - University of the Sunshine Coast - School of Science and Engineering
Christopher J Henderson (Author) - University of the Sunshine Coast - School of Science and Engineering
Rod M Connolly (Author) - Griffith University
Paul S Maxwell (Author) - Healthy Land and Water
Andrew D Olds (Author) - University of the Sunshine Coast - School of Science and Engineering
Publication details: Marine Environmental Research, Vol.158, 104936
Publisher: Elsevier Ltd.
Date published: 2020
DOI: 10.1016/j.marenvres.2020.104936
ISSN: 0141-1136
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450971002621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Environmental Sciences; Marine & Freshwater Biology; Toxicology

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