Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx
Introduction The Scotia Sea and Antarctic Peninsula are warming rapidly and changes in species distribution are expected. In predicting habitat shifts and considering appropriate management strategies for marine predators, a community-level understanding of how these predators are distributed is des...
Main Authors: | , , , , , , , , |
---|---|
Format: | Dataset |
Language: | unknown |
Published: |
2023
|
Subjects: | |
Online Access: | https://doi.org/10.3389/fmars.2023.1233820.s002 https://figshare.com/articles/dataset/Table_1_Large-scale_seabird_community_structure_along_oceanographic_gradients_in_the_Scotia_Sea_and_northern_Antarctic_Peninsula_docx/24154098 |
id |
ftfrontimediafig:oai:figshare.com:article/24154098 |
---|---|
record_format |
openpolar |
spelling |
ftfrontimediafig:oai:figshare.com:article/24154098 2023-10-09T21:44:46+02:00 Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx Victoria Marja Sofia Ollus Martin Biuw Andrew Lowther Per Fauchald John Elling Deehr Johannessen Lucía Martina Martín López Kalliopi C. Gkikopoulou W. Chris Oosthuizen Ulf Lindstrøm 2023-09-18T04:14:43Z https://doi.org/10.3389/fmars.2023.1233820.s002 https://figshare.com/articles/dataset/Table_1_Large-scale_seabird_community_structure_along_oceanographic_gradients_in_the_Scotia_Sea_and_northern_Antarctic_Peninsula_docx/24154098 unknown doi:10.3389/fmars.2023.1233820.s002 https://figshare.com/articles/dataset/Table_1_Large-scale_seabird_community_structure_along_oceanographic_gradients_in_the_Scotia_Sea_and_northern_Antarctic_Peninsula_docx/24154098 CC BY 4.0 Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering marine predators seabirds opportunistic sampling platforms spatial ecology biogeography habitat use community composition Southern Ocean Dataset 2023 ftfrontimediafig https://doi.org/10.3389/fmars.2023.1233820.s002 2023-09-20T23:13:51Z Introduction The Scotia Sea and Antarctic Peninsula are warming rapidly and changes in species distribution are expected. In predicting habitat shifts and considering appropriate management strategies for marine predators, a community-level understanding of how these predators are distributed is desirable. Acquiring such data, particularly in remote areas, is often problematic given the cost associated with the operation of research vessels. Here we use cruise vessels as sampling platforms to explore seabird distribution relative to habitat characteristics. Methods Data on seabird at-sea distribution were collected using strip-transect counts throughout the Antarctic Peninsula and Scotia Sea in the austral summer of 2019-2020. Constrained correspondence analysis (CCA) and generalized additive models (GAM) were used to relate seabird community composition, density, and species richness to environmental covariates. Results Species assemblages differed between oceanographic areas, with sea surface temperature and distance to coast being the most important predictors of seabird distribution. Our results further revealed a geographic separation of distinct communities rather than hotspot regions in the study area in summer. Discussion These findings highlight the importance of large-scale environmental characteristics in shaping seabird community structure, presumably through underlying prey distribution and interspecific interactions. The present study contributes to the knowledge of seabird distribution and habitat use as well as the baseline for assessing the response of Antarctic seabird communities to climate warming. We argue that cruise vessels, when combined with structured research surveys, can provide a cost-effective additional tool for the monitoring of community and ecosystem level changes. Dataset Antarc* Antarctic Antarctic Peninsula Scotia Sea Southern Ocean Frontiers: Figshare Antarctic Antarctic Peninsula Austral Gam ENVELOPE(-57.955,-57.955,-61.923,-61.923) Scotia Sea Southern Ocean The Antarctic |
institution |
Open Polar |
collection |
Frontiers: Figshare |
op_collection_id |
ftfrontimediafig |
language |
unknown |
topic |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering marine predators seabirds opportunistic sampling platforms spatial ecology biogeography habitat use community composition Southern Ocean |
spellingShingle |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering marine predators seabirds opportunistic sampling platforms spatial ecology biogeography habitat use community composition Southern Ocean Victoria Marja Sofia Ollus Martin Biuw Andrew Lowther Per Fauchald John Elling Deehr Johannessen Lucía Martina Martín López Kalliopi C. Gkikopoulou W. Chris Oosthuizen Ulf Lindstrøm Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx |
topic_facet |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering marine predators seabirds opportunistic sampling platforms spatial ecology biogeography habitat use community composition Southern Ocean |
description |
Introduction The Scotia Sea and Antarctic Peninsula are warming rapidly and changes in species distribution are expected. In predicting habitat shifts and considering appropriate management strategies for marine predators, a community-level understanding of how these predators are distributed is desirable. Acquiring such data, particularly in remote areas, is often problematic given the cost associated with the operation of research vessels. Here we use cruise vessels as sampling platforms to explore seabird distribution relative to habitat characteristics. Methods Data on seabird at-sea distribution were collected using strip-transect counts throughout the Antarctic Peninsula and Scotia Sea in the austral summer of 2019-2020. Constrained correspondence analysis (CCA) and generalized additive models (GAM) were used to relate seabird community composition, density, and species richness to environmental covariates. Results Species assemblages differed between oceanographic areas, with sea surface temperature and distance to coast being the most important predictors of seabird distribution. Our results further revealed a geographic separation of distinct communities rather than hotspot regions in the study area in summer. Discussion These findings highlight the importance of large-scale environmental characteristics in shaping seabird community structure, presumably through underlying prey distribution and interspecific interactions. The present study contributes to the knowledge of seabird distribution and habitat use as well as the baseline for assessing the response of Antarctic seabird communities to climate warming. We argue that cruise vessels, when combined with structured research surveys, can provide a cost-effective additional tool for the monitoring of community and ecosystem level changes. |
format |
Dataset |
author |
Victoria Marja Sofia Ollus Martin Biuw Andrew Lowther Per Fauchald John Elling Deehr Johannessen Lucía Martina Martín López Kalliopi C. Gkikopoulou W. Chris Oosthuizen Ulf Lindstrøm |
author_facet |
Victoria Marja Sofia Ollus Martin Biuw Andrew Lowther Per Fauchald John Elling Deehr Johannessen Lucía Martina Martín López Kalliopi C. Gkikopoulou W. Chris Oosthuizen Ulf Lindstrøm |
author_sort |
Victoria Marja Sofia Ollus |
title |
Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx |
title_short |
Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx |
title_full |
Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx |
title_fullStr |
Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx |
title_full_unstemmed |
Table_1_Large-scale seabird community structure along oceanographic gradients in the Scotia Sea and northern Antarctic Peninsula.docx |
title_sort |
table_1_large-scale seabird community structure along oceanographic gradients in the scotia sea and northern antarctic peninsula.docx |
publishDate |
2023 |
url |
https://doi.org/10.3389/fmars.2023.1233820.s002 https://figshare.com/articles/dataset/Table_1_Large-scale_seabird_community_structure_along_oceanographic_gradients_in_the_Scotia_Sea_and_northern_Antarctic_Peninsula_docx/24154098 |
long_lat |
ENVELOPE(-57.955,-57.955,-61.923,-61.923) |
geographic |
Antarctic Antarctic Peninsula Austral Gam Scotia Sea Southern Ocean The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Austral Gam Scotia Sea Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Scotia Sea Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Scotia Sea Southern Ocean |
op_relation |
doi:10.3389/fmars.2023.1233820.s002 https://figshare.com/articles/dataset/Table_1_Large-scale_seabird_community_structure_along_oceanographic_gradients_in_the_Scotia_Sea_and_northern_Antarctic_Peninsula_docx/24154098 |
op_rights |
CC BY 4.0 |
op_doi |
https://doi.org/10.3389/fmars.2023.1233820.s002 |
_version_ |
1779313524613316608 |