Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada
Characteristics of minke whale (Balaenoptera acutorostrata) habitat at the head of the Laurentian Channel in the St. Lawrence Estuary, Canada were identified by quantifying environmental and temporal habitat variables and comparing them to the presence or absence of minke whales during the summer of...
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Oregon State University
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Online Access: | https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/st74cv71r |
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ftoregonstate:ir.library.oregonstate.edu:st74cv71r 2024-04-21T07:57:49+00:00 Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada Zeppelin, Tonya K. Coblentz, Bruce E. Oregon State University. Graduate School https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/st74cv71r English [eng] eng unknown Oregon State University https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/st74cv71r Copyright Not Evaluated Balaenoptera acutorostrata -- Habitat -- Canada -- St. Lawrence Estuary Masters Thesis ftoregonstate 2024-03-28T02:05:00Z Characteristics of minke whale (Balaenoptera acutorostrata) habitat at the head of the Laurentian Channel in the St. Lawrence Estuary, Canada were identified by quantifying environmental and temporal habitat variables and comparing them to the presence or absence of minke whales during the summer of 1996. Identification photographs of minke whales taken during the summers of 1995 and 1996 were used to examine intra-annual and year to year habitat use by individual minke whales. Minke whales were primarily distributed between the 50 m and 100 m bathymetric contours which corresponds to the ridge of the Laurentian Channel. This region is characterized by a steep slope in bottom topography which causes predictable accumulations of euphausiids and capelin (Mal lotus villosus), the principal prey species of minke whales. Tide phase, lunar phase and time of season, all of which cause slight fluctuations in prey abundance did not appear to have a significant influence on minke whale presence or movements. Individual minke whales exhibited site tenacity in returning to a localized area both within a season and in consecutive years. Master Thesis Balaenoptera acutorostrata minke whale ScholarsArchive@OSU (Oregon State University) |
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ScholarsArchive@OSU (Oregon State University) |
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ftoregonstate |
language |
English unknown |
topic |
Balaenoptera acutorostrata -- Habitat -- Canada -- St. Lawrence Estuary |
spellingShingle |
Balaenoptera acutorostrata -- Habitat -- Canada -- St. Lawrence Estuary Zeppelin, Tonya K. Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada |
topic_facet |
Balaenoptera acutorostrata -- Habitat -- Canada -- St. Lawrence Estuary |
description |
Characteristics of minke whale (Balaenoptera acutorostrata) habitat at the head of the Laurentian Channel in the St. Lawrence Estuary, Canada were identified by quantifying environmental and temporal habitat variables and comparing them to the presence or absence of minke whales during the summer of 1996. Identification photographs of minke whales taken during the summers of 1995 and 1996 were used to examine intra-annual and year to year habitat use by individual minke whales. Minke whales were primarily distributed between the 50 m and 100 m bathymetric contours which corresponds to the ridge of the Laurentian Channel. This region is characterized by a steep slope in bottom topography which causes predictable accumulations of euphausiids and capelin (Mal lotus villosus), the principal prey species of minke whales. Tide phase, lunar phase and time of season, all of which cause slight fluctuations in prey abundance did not appear to have a significant influence on minke whale presence or movements. Individual minke whales exhibited site tenacity in returning to a localized area both within a season and in consecutive years. |
author2 |
Coblentz, Bruce E. Oregon State University. Graduate School |
format |
Master Thesis |
author |
Zeppelin, Tonya K. |
author_facet |
Zeppelin, Tonya K. |
author_sort |
Zeppelin, Tonya K. |
title |
Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada |
title_short |
Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada |
title_full |
Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada |
title_fullStr |
Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada |
title_full_unstemmed |
Habitat utilization by minke whales (Balaenoptera acutorostrata) in the St. Lawrence Estuary, Canada |
title_sort |
habitat utilization by minke whales (balaenoptera acutorostrata) in the st. lawrence estuary, canada |
publisher |
Oregon State University |
url |
https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/st74cv71r |
genre |
Balaenoptera acutorostrata minke whale |
genre_facet |
Balaenoptera acutorostrata minke whale |
op_relation |
https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/st74cv71r |
op_rights |
Copyright Not Evaluated |
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1796939272174960640 |