Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics.
Aquatic ecosystems are tightly linked to terrestrial ecosystems by exchanges of resources, which influence species interactions, community dynamics and functioning in both ecosystem types. However, our understanding of how this coupling responds to climate warming is restricted to temperate, boreal,...
Published in: | Journal of Animal Ecology |
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Online Access: | https://qmro.qmul.ac.uk/xmlui/handle/123456789/71985 https://doi.org/10.1111/1365-2656.13505 |
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ftqueenmaryuniv:oai:qmro.qmul.ac.uk:123456789/71985 2023-05-15T15:12:43+02:00 Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. Nash, LN Antiqueira, PAP Romero, GQ de Omena, PM Kratina, P 2021-05-06 https://qmro.qmul.ac.uk/xmlui/handle/123456789/71985 https://doi.org/10.1111/1365-2656.13505 eng eng Journal of Animal Ecology Nash, LN, Antiqueira, PAP, Romero, GQ, de Omena, PM, Kratina, P. Warming of aquatic ecosystems disrupts aquatic–terrestrial linkages in the tropics. J Anim Ecol. 2021; 00: 1– 12. https://doi.org/10.1111/1365-2656.13505 https://qmro.qmul.ac.uk/xmlui/handle/123456789/71985 doi:10.1111/1365-2656.13505 "This is the peer reviewed version of the following article: Nash, LN, Antiqueira, PAP, Romero, GQ, de Omena, PM, Kratina, P. Warming of aquatic ecosystems disrupts aquatic–terrestrial linkages in the tropics. J Anim Ecol. 2021; https://doi.org/10.1111/1365-2656.13505 which has been published in final form at https://doi.org/10.1111/1365-2656.13505. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions." Aquatic-terrestrial linkages body size climate warming cross-ecosystem subsidies decomposition habitat size insect emergence tank-bromeliads Article 2021 ftqueenmaryuniv https://doi.org/10.1111/1365-2656.13505 2022-09-25T20:20:48Z Aquatic ecosystems are tightly linked to terrestrial ecosystems by exchanges of resources, which influence species interactions, community dynamics and functioning in both ecosystem types. However, our understanding of how this coupling responds to climate warming is restricted to temperate, boreal, and arctic regions, with limited knowledge from tropical ecosystems. We investigated how warming aquatic ecosystems impacts cross-ecosystem exchanges in the tropics, through the export of aquatic resources into the terrestrial environment and the breakdown of terrestrial resources within the aquatic environment. We experimentally heated 50 naturally assembled aquatic communities, contained within different sized tank-bromeliads, to a 23.5 - 32°C gradient of mean water temperatures. The biomass, abundance, and richness of aquatic insects emerging into the terrestrial environment all declined with rising temperatures over a 45-day experiment. Structural equation and linear mixed effects modelling suggested that these impacts were driven by deleterious effects of warming on insect development and survival, rather than being mediated by aquatic predation, nutrient availability, or reduced body size. Decomposition was primarily driven by microbial activity. However, total decomposition by both microbes and macroinvertebrates increased with temperature in all but the largest ecosystems, where it decreased. Thus, warming decoupled aquatic and terrestrial ecosystems, by reducing the flux of aquatic resources to terrestrial ecosystems but variably enhancing or reducing terrestrial resource breakdown in aquatic ecosystems. In contrast with increased emergence observed in warmed temperate ecosystems, future climate change is likely to reduce connectivity between tropical terrestrial and aquatic habitats, potentially impacting consumers in both ecosystem types. As tropical ectotherms live closer to their thermal tolerance limits compared to temperate species, warming can disrupt cross-ecosystem dynamics in an interconnected ... Article in Journal/Newspaper Arctic Climate change Queen Mary University of London: Queen Mary Research Online (QMRO) Arctic Journal of Animal Ecology 90 7 1623 1634 |
institution |
Open Polar |
collection |
Queen Mary University of London: Queen Mary Research Online (QMRO) |
op_collection_id |
ftqueenmaryuniv |
language |
English |
topic |
Aquatic-terrestrial linkages body size climate warming cross-ecosystem subsidies decomposition habitat size insect emergence tank-bromeliads |
spellingShingle |
Aquatic-terrestrial linkages body size climate warming cross-ecosystem subsidies decomposition habitat size insect emergence tank-bromeliads Nash, LN Antiqueira, PAP Romero, GQ de Omena, PM Kratina, P Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
topic_facet |
Aquatic-terrestrial linkages body size climate warming cross-ecosystem subsidies decomposition habitat size insect emergence tank-bromeliads |
description |
Aquatic ecosystems are tightly linked to terrestrial ecosystems by exchanges of resources, which influence species interactions, community dynamics and functioning in both ecosystem types. However, our understanding of how this coupling responds to climate warming is restricted to temperate, boreal, and arctic regions, with limited knowledge from tropical ecosystems. We investigated how warming aquatic ecosystems impacts cross-ecosystem exchanges in the tropics, through the export of aquatic resources into the terrestrial environment and the breakdown of terrestrial resources within the aquatic environment. We experimentally heated 50 naturally assembled aquatic communities, contained within different sized tank-bromeliads, to a 23.5 - 32°C gradient of mean water temperatures. The biomass, abundance, and richness of aquatic insects emerging into the terrestrial environment all declined with rising temperatures over a 45-day experiment. Structural equation and linear mixed effects modelling suggested that these impacts were driven by deleterious effects of warming on insect development and survival, rather than being mediated by aquatic predation, nutrient availability, or reduced body size. Decomposition was primarily driven by microbial activity. However, total decomposition by both microbes and macroinvertebrates increased with temperature in all but the largest ecosystems, where it decreased. Thus, warming decoupled aquatic and terrestrial ecosystems, by reducing the flux of aquatic resources to terrestrial ecosystems but variably enhancing or reducing terrestrial resource breakdown in aquatic ecosystems. In contrast with increased emergence observed in warmed temperate ecosystems, future climate change is likely to reduce connectivity between tropical terrestrial and aquatic habitats, potentially impacting consumers in both ecosystem types. As tropical ectotherms live closer to their thermal tolerance limits compared to temperate species, warming can disrupt cross-ecosystem dynamics in an interconnected ... |
format |
Article in Journal/Newspaper |
author |
Nash, LN Antiqueira, PAP Romero, GQ de Omena, PM Kratina, P |
author_facet |
Nash, LN Antiqueira, PAP Romero, GQ de Omena, PM Kratina, P |
author_sort |
Nash, LN |
title |
Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
title_short |
Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
title_full |
Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
title_fullStr |
Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
title_full_unstemmed |
Warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
title_sort |
warming of aquatic ecosystems disrupts aquatic-terrestrial linkages in the tropics. |
publishDate |
2021 |
url |
https://qmro.qmul.ac.uk/xmlui/handle/123456789/71985 https://doi.org/10.1111/1365-2656.13505 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change |
genre_facet |
Arctic Climate change |
op_relation |
Journal of Animal Ecology Nash, LN, Antiqueira, PAP, Romero, GQ, de Omena, PM, Kratina, P. Warming of aquatic ecosystems disrupts aquatic–terrestrial linkages in the tropics. J Anim Ecol. 2021; 00: 1– 12. https://doi.org/10.1111/1365-2656.13505 https://qmro.qmul.ac.uk/xmlui/handle/123456789/71985 doi:10.1111/1365-2656.13505 |
op_rights |
"This is the peer reviewed version of the following article: Nash, LN, Antiqueira, PAP, Romero, GQ, de Omena, PM, Kratina, P. Warming of aquatic ecosystems disrupts aquatic–terrestrial linkages in the tropics. J Anim Ecol. 2021; https://doi.org/10.1111/1365-2656.13505 which has been published in final form at https://doi.org/10.1111/1365-2656.13505. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions." |
op_doi |
https://doi.org/10.1111/1365-2656.13505 |
container_title |
Journal of Animal Ecology |
container_volume |
90 |
container_issue |
7 |
container_start_page |
1623 |
op_container_end_page |
1634 |
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1766343367593033728 |