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Published VersionCC BY V4.0, Open Access
Journal article
Climate-driven zooplankton shifts cause large-scale declines in food quality for fish
Nature Climate Change, Vol.13, pp.470-477
2023
Abstract
Zooplankton are the primary energy pathway from phytoplankton to fish. Yet, there is limited understanding about how climate change will modify zooplankton communities and the implications for marine food webs globally. Using a trait-based marine ecosystem model resolving key zooplankton groups, we find that future oceans, particularly in tropical regions, favour food webs increasingly dominated by carnivorous (chaetognaths, jellyfish and carnivorous copepods) and gelatinous filter-feeding zooplankton (larvaceans and salps) at the expense of omnivorous copepods and euphausiids. By providing a direct energetic pathway from small phytoplankton to fish, the rise of gelatinous filter feeders partially offsets the increase in trophic steps between primary producers and fish from declining phytoplankton biomass and increases in carnivorous zooplankton. However, future fish communities experience reduced carrying capacity from falling phytoplankton biomass and less nutritious food as environmental conditions increasingly favour gelatinous zooplankton, slightly exacerbating projected declines in small pelagic fish biomass in tropical regions by 2100.
Details
- Title
- Climate-driven zooplankton shifts cause large-scale declines in food quality for fish
- Authors
- Ryan F. Heneghan (Corresponding Author) - Queensland University of TechnologyJason D. Everett (Author) - UNSW SydneyJulia L. Blanchard (Author) - University of TasmaniaPatrick Sykes (Author) - The University of QueenslandAnthony J. Richardson (Author) - The University of Queensland
- Publication details
- Nature Climate Change, Vol.13, pp.470-477
- Publisher
- Nature Publishing Group
- Date published
- 2023
- DOI
- 10.1038/s41558-023-01630-7
- ISSN
- 1758-6798; 1758-678X
- Copyright note
- This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
- Grants
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99744889802621
- Output Type
- Journal article
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