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Type: Journal article
Title: Species range shifts along multistressor mosaics in estuarine environments under future climate
Author: Lauchlan, S.S.
Nagelkerken, I.
Citation: Fish and Fisheries, 2020; 21(1):32-46
Publisher: Wiley
Issue Date: 2020
ISSN: 1467-2960
Statement of
Shannon S. Lauchlan, Ivan Nagelkerken
Abstract: Range shifts are a key mechanism that species employ in response to climate change. Increasing global temperatures are driving species redistributions to cooler areas along three main spatial axes: increasing latitudes, altitudes and water depths. Climate‐mediated range shift theory focuses on temperature as the primary ecological driver, but global change alters other environmental factors as well, and these rarely work in isolation. Ecosystems are often characterized as mosaics of overlapping environmental stressors, resulting in temporal and spatial heterogeneity which differs between stable, low complexity mosaics (e.g. open ocean) and highly variable, highly complex mosaic environments (e.g. estuaries). We propose a multistressor mosaic of climate‐mediated species range shift across abiotic environmental gradients, typical for mobile species (e.g. fish) in variable coastal environments. We conceptualize how climate‐driven changes in salinity, temperature, dissolved oxygen and pH can drive redistribution of estuarine species in a future world. Non‐thermal drivers are a critical component of species range shifts and when not considered, underestimate the impact of global change on species populations and ecosystem services.
Keywords: Climate change; fish; global stressors; ocean acidification; salinity; species distributions
Description: First published online 16 October 2019
Rights: © 2019 John Wiley & Sons Ltd
DOI: 10.1111/faf.12412
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Earth and Environmental Sciences publications

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