Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf
Abstract Increases in gelatinous zooplankton ( GZ ) populations, their dominance of some ecosystems, their impacts to other taxa, and their questionable trophic value remain global concerns, but they are difficult to quantify. We compared trends in GZ abundance from direct sampling for the northeast...
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Online Access: | http://dx.doi.org/10.1111/fog.12168 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Ffog.12168 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fog.12168 |
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crwiley:10.1111/fog.12168 2024-06-02T08:11:35+00:00 Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf Smith, Brian E. Ford, Michael D. Link, Jason S. 2016 http://dx.doi.org/10.1111/fog.12168 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Ffog.12168 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fog.12168 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Fisheries Oceanography volume 25, issue 5, page 500-514 ISSN 1054-6006 1365-2419 journal-article 2016 crwiley https://doi.org/10.1111/fog.12168 2024-05-03T10:51:54Z Abstract Increases in gelatinous zooplankton ( GZ ) populations, their dominance of some ecosystems, their impacts to other taxa, and their questionable trophic value remain global concerns, but they are difficult to quantify. We compared trends in GZ abundance from direct sampling for the northeast U.S. continental shelf and tested their association with GZ consumption by spiny dogfish ( Squalus acanthias ); the abundance of two benthic scavengers: Atlantic hagfish ( Myxine glutinosa ) and grenadiers (Family: Macrouridae); and four environmental indices: Atlantic Multidecadal Oscillation, North Atlantic Oscillation, and sea surface and bottom temperatures. Defined as scyphozoans, siphonophores, ctenophores, and salps, the abundance of GZ on the shelf has oscillated with blooms approximately every 10–15 yr. Conservative estimates of annual removal of GZ by spiny dogfish ranged from approximately 0.3–298 g individual −1 with spiny dogfish being the primary GZ feeder sampled on the shelf. The examination of three abundance series for GZ identified one shelf‐wide trend and strong relationships with 2‐yr lagged consumption and scavenger abundance (namely hagfish), and sea surface temperature. With multimodel inference, these covariates led to an optimal model of GZ abundance. Blooms of GZ abundance on this shelf were influenced by environmental change, provide surges of food for spiny dogfish, and may offer ‘food falls’ for scavenging fishes. The bioenergetic tradeoffs of consuming greater amounts of GZ compared to other major prey (e.g., fishes) remain unknown; however, these surges of food in the northwest Atlantic appear to be important for fishes, including support for benthic scavenger productivity. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Northwest Atlantic spiny dogfish Squalus acanthias Wiley Online Library Fisheries Oceanography 25 5 500 514 |
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crwiley |
language |
English |
description |
Abstract Increases in gelatinous zooplankton ( GZ ) populations, their dominance of some ecosystems, their impacts to other taxa, and their questionable trophic value remain global concerns, but they are difficult to quantify. We compared trends in GZ abundance from direct sampling for the northeast U.S. continental shelf and tested their association with GZ consumption by spiny dogfish ( Squalus acanthias ); the abundance of two benthic scavengers: Atlantic hagfish ( Myxine glutinosa ) and grenadiers (Family: Macrouridae); and four environmental indices: Atlantic Multidecadal Oscillation, North Atlantic Oscillation, and sea surface and bottom temperatures. Defined as scyphozoans, siphonophores, ctenophores, and salps, the abundance of GZ on the shelf has oscillated with blooms approximately every 10–15 yr. Conservative estimates of annual removal of GZ by spiny dogfish ranged from approximately 0.3–298 g individual −1 with spiny dogfish being the primary GZ feeder sampled on the shelf. The examination of three abundance series for GZ identified one shelf‐wide trend and strong relationships with 2‐yr lagged consumption and scavenger abundance (namely hagfish), and sea surface temperature. With multimodel inference, these covariates led to an optimal model of GZ abundance. Blooms of GZ abundance on this shelf were influenced by environmental change, provide surges of food for spiny dogfish, and may offer ‘food falls’ for scavenging fishes. The bioenergetic tradeoffs of consuming greater amounts of GZ compared to other major prey (e.g., fishes) remain unknown; however, these surges of food in the northwest Atlantic appear to be important for fishes, including support for benthic scavenger productivity. |
format |
Article in Journal/Newspaper |
author |
Smith, Brian E. Ford, Michael D. Link, Jason S. |
spellingShingle |
Smith, Brian E. Ford, Michael D. Link, Jason S. Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
author_facet |
Smith, Brian E. Ford, Michael D. Link, Jason S. |
author_sort |
Smith, Brian E. |
title |
Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
title_short |
Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
title_full |
Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
title_fullStr |
Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
title_full_unstemmed |
Bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
title_sort |
bloom or bust: synchrony in jellyfish abundance, fish consumption, benthic scavenger abundance, and environmental drivers across a continental shelf |
publisher |
Wiley |
publishDate |
2016 |
url |
http://dx.doi.org/10.1111/fog.12168 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Ffog.12168 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fog.12168 |
genre |
North Atlantic North Atlantic oscillation Northwest Atlantic spiny dogfish Squalus acanthias |
genre_facet |
North Atlantic North Atlantic oscillation Northwest Atlantic spiny dogfish Squalus acanthias |
op_source |
Fisheries Oceanography volume 25, issue 5, page 500-514 ISSN 1054-6006 1365-2419 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/fog.12168 |
container_title |
Fisheries Oceanography |
container_volume |
25 |
container_issue |
5 |
container_start_page |
500 |
op_container_end_page |
514 |
_version_ |
1800757772782927872 |