Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic
Deep-sea sponge grounds provide structurally complex habitat for fish and invertebrates and enhance local biodiversity. They are also vulnerable to bottom-contact fisheries and prime candidates for Vulnerable Marine Ecosystem designation and related conservation action. This study uses species distr...
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ftrepec:oai:RePEc:plo:pone00:0082306 2024-04-14T08:09:24+00:00 Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic Anders Knudby Ellen Kenchington Francisco Javier Murillo https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0082306 https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0082306&type=printable unknown https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0082306 https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0082306&type=printable article ftrepec 2024-03-19T10:27:51Z Deep-sea sponge grounds provide structurally complex habitat for fish and invertebrates and enhance local biodiversity. They are also vulnerable to bottom-contact fisheries and prime candidates for Vulnerable Marine Ecosystem designation and related conservation action. This study uses species distribution modeling, based on presence and absence observations of Geodia spp. and sponge grounds derived from research trawl catches, as well as spatially continuous data on the physical and biological ocean environment derived from satellite data and oceanographic models, to model the distribution of Geodia sponges and sponge grounds in the Northwest Atlantic. Most models produce excellent fits with validation data although fits are reduced when models are extrapolated to new areas, especially when oceanographic regimes differ between areas. Depth and minimum bottom salinity were important predictors in most models, and a Geodia spp. minimum bottom salinity tolerance threshold in the 34.3-34.8 psu range was hypothesized on the basis of model structure. The models indicated two currently unsampled regions within the study area, the deeper parts of Baffin Bay and the Newfoundland and Labrador slopes, where future sponge grounds are most likely to be found. Article in Journal/Newspaper Baffin Bay Baffin Bay Baffin Newfoundland Northwest Atlantic RePEc (Research Papers in Economics) Newfoundland Baffin Bay |
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Deep-sea sponge grounds provide structurally complex habitat for fish and invertebrates and enhance local biodiversity. They are also vulnerable to bottom-contact fisheries and prime candidates for Vulnerable Marine Ecosystem designation and related conservation action. This study uses species distribution modeling, based on presence and absence observations of Geodia spp. and sponge grounds derived from research trawl catches, as well as spatially continuous data on the physical and biological ocean environment derived from satellite data and oceanographic models, to model the distribution of Geodia sponges and sponge grounds in the Northwest Atlantic. Most models produce excellent fits with validation data although fits are reduced when models are extrapolated to new areas, especially when oceanographic regimes differ between areas. Depth and minimum bottom salinity were important predictors in most models, and a Geodia spp. minimum bottom salinity tolerance threshold in the 34.3-34.8 psu range was hypothesized on the basis of model structure. The models indicated two currently unsampled regions within the study area, the deeper parts of Baffin Bay and the Newfoundland and Labrador slopes, where future sponge grounds are most likely to be found. |
format |
Article in Journal/Newspaper |
author |
Anders Knudby Ellen Kenchington Francisco Javier Murillo |
spellingShingle |
Anders Knudby Ellen Kenchington Francisco Javier Murillo Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic |
author_facet |
Anders Knudby Ellen Kenchington Francisco Javier Murillo |
author_sort |
Anders Knudby |
title |
Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic |
title_short |
Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic |
title_full |
Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic |
title_fullStr |
Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic |
title_full_unstemmed |
Modeling the Distribution of Geodia Sponges and Sponge Grounds in the Northwest Atlantic |
title_sort |
modeling the distribution of geodia sponges and sponge grounds in the northwest atlantic |
url |
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0082306 https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0082306&type=printable |
geographic |
Newfoundland Baffin Bay |
geographic_facet |
Newfoundland Baffin Bay |
genre |
Baffin Bay Baffin Bay Baffin Newfoundland Northwest Atlantic |
genre_facet |
Baffin Bay Baffin Bay Baffin Newfoundland Northwest Atlantic |
op_relation |
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0082306 https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0082306&type=printable |
_version_ |
1796306916903747584 |