Variation in the occurrence of marine birds at fronts in the Bering Sea
Topographically-induced flow gradients can concentrate seabird prey in several different ways, and are potentially important to marine birds in shelf ecosystems such as the south-eastern Bering Sea. We tested the hypothesis that attendance by seabirds was greater at fronts maintained by strong surfa...
Published in: | Estuarine, Coastal and Shelf Science |
---|---|
Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
eScholarship, University of California
1987
|
Subjects: | |
Online Access: | https://escholarship.org/uc/item/62q0j0f6 https://escholarship.org/content/qt62q0j0f6/qt62q0j0f6.pdf https://doi.org/10.1016/0272-7714(87)90031-x |
id |
ftcdlib:oai:escholarship.org:ark:/13030/qt62q0j0f6 |
---|---|
record_format |
openpolar |
spelling |
ftcdlib:oai:escholarship.org:ark:/13030/qt62q0j0f6 2024-09-15T17:59:26+00:00 Variation in the occurrence of marine birds at fronts in the Bering Sea Schneider, David Harrison, Nancy M Hunt, George L 135 - 141 1987-07-01 application/pdf https://escholarship.org/uc/item/62q0j0f6 https://escholarship.org/content/qt62q0j0f6/qt62q0j0f6.pdf https://doi.org/10.1016/0272-7714(87)90031-x unknown eScholarship, University of California qt62q0j0f6 https://escholarship.org/uc/item/62q0j0f6 https://escholarship.org/content/qt62q0j0f6/qt62q0j0f6.pdf doi:10.1016/0272-7714(87)90031-x CC-BY Estuarine Coastal and Shelf Science, vol 25, iss 1 Life Below Water Marine Biology & Hydrobiology article 1987 ftcdlib https://doi.org/10.1016/0272-7714(87)90031-x 2024-06-28T06:28:19Z Topographically-induced flow gradients can concentrate seabird prey in several different ways, and are potentially important to marine birds in shelf ecosystems such as the south-eastern Bering Sea. We tested the hypothesis that attendance by seabirds was greater at fronts maintained by strong surface flow gradients than at fronts maintained by weak or intermittent surface flow gradients. An analysis of 62 crossings of flow gradients identified from temperature and salinity gradients showed that local increase in attendance was greater in areas of strong surface flow gradient than in an area of weak surface flow gradients. Attendance by marine birds depended on the strength of a flow gradient rather than on the presence or absence of a front. © 1987. Article in Journal/Newspaper Bering Sea University of California: eScholarship Estuarine, Coastal and Shelf Science 25 1 135 141 |
institution |
Open Polar |
collection |
University of California: eScholarship |
op_collection_id |
ftcdlib |
language |
unknown |
topic |
Life Below Water Marine Biology & Hydrobiology |
spellingShingle |
Life Below Water Marine Biology & Hydrobiology Schneider, David Harrison, Nancy M Hunt, George L Variation in the occurrence of marine birds at fronts in the Bering Sea |
topic_facet |
Life Below Water Marine Biology & Hydrobiology |
description |
Topographically-induced flow gradients can concentrate seabird prey in several different ways, and are potentially important to marine birds in shelf ecosystems such as the south-eastern Bering Sea. We tested the hypothesis that attendance by seabirds was greater at fronts maintained by strong surface flow gradients than at fronts maintained by weak or intermittent surface flow gradients. An analysis of 62 crossings of flow gradients identified from temperature and salinity gradients showed that local increase in attendance was greater in areas of strong surface flow gradient than in an area of weak surface flow gradients. Attendance by marine birds depended on the strength of a flow gradient rather than on the presence or absence of a front. © 1987. |
format |
Article in Journal/Newspaper |
author |
Schneider, David Harrison, Nancy M Hunt, George L |
author_facet |
Schneider, David Harrison, Nancy M Hunt, George L |
author_sort |
Schneider, David |
title |
Variation in the occurrence of marine birds at fronts in the Bering Sea |
title_short |
Variation in the occurrence of marine birds at fronts in the Bering Sea |
title_full |
Variation in the occurrence of marine birds at fronts in the Bering Sea |
title_fullStr |
Variation in the occurrence of marine birds at fronts in the Bering Sea |
title_full_unstemmed |
Variation in the occurrence of marine birds at fronts in the Bering Sea |
title_sort |
variation in the occurrence of marine birds at fronts in the bering sea |
publisher |
eScholarship, University of California |
publishDate |
1987 |
url |
https://escholarship.org/uc/item/62q0j0f6 https://escholarship.org/content/qt62q0j0f6/qt62q0j0f6.pdf https://doi.org/10.1016/0272-7714(87)90031-x |
op_coverage |
135 - 141 |
genre |
Bering Sea |
genre_facet |
Bering Sea |
op_source |
Estuarine Coastal and Shelf Science, vol 25, iss 1 |
op_relation |
qt62q0j0f6 https://escholarship.org/uc/item/62q0j0f6 https://escholarship.org/content/qt62q0j0f6/qt62q0j0f6.pdf doi:10.1016/0272-7714(87)90031-x |
op_rights |
CC-BY |
op_doi |
https://doi.org/10.1016/0272-7714(87)90031-x |
container_title |
Estuarine, Coastal and Shelf Science |
container_volume |
25 |
container_issue |
1 |
container_start_page |
135 |
op_container_end_page |
141 |
_version_ |
1810436531698008064 |