NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ...
Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: From 4 to 13 August 1991, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey throughout the coastal waters of Bris...
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Online Access: | https://dx.doi.org/10.15468/kbcnw4 https://www.gbif.org/dataset/1f291e00-0571-4980-96d5-f9c9370a67ca |
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ftdatacite:10.15468/kbcnw4 2024-03-31T07:55:00+00:00 NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... Goetz, Kimberly Waite, Janice 2021 https://dx.doi.org/10.15468/kbcnw4 https://www.gbif.org/dataset/1f291e00-0571-4980-96d5-f9c9370a67ca en eng OBIS-SEAMAP Creative Commons Attribution Non Commercial 4.0 International https://creativecommons.org/licenses/by-nc/4.0/legalcode cc-by-nc-4.0 Occurrence,Aircraft,Sightings,harbor porpoise,Phocoena phocoena,abundance,aerial survey,marine mammal survey,survey,marine mammal,cetacean Observation Occurrence dataset Dataset OCCURRENCE 2021 ftdatacite https://doi.org/10.15468/kbcnw4 2024-03-04T14:22:17Z Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: From 4 to 13 August 1991, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey throughout the coastal waters of Bristol Bay. A Twin Otter was used as the survey platform and was flown at an altitude of 152.2 m (500 ft) and at an airspeed of 185 km/h. The second of three identical sawtooth tracklines was flown along the south side of Bristol Bay. Line-transect methodology was used, and only those observations made during optimal conditions were analyzed. Density of harbor porpoises was calculated using line transect estimates based on perpendicular distances of sightings to the cruise track of the airplane. On average, porpoise group size and density for Bristol Bay was 1.17 (SE = 0.35) and 4.48 groups/100 km2 (SE = 1.38). Purpose: Although harbor porpoises, Phocoena phocoena , are known to occur throughout Alaska waters, few ... Dataset Phocoena phocoena Alaska DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Occurrence,Aircraft,Sightings,harbor porpoise,Phocoena phocoena,abundance,aerial survey,marine mammal survey,survey,marine mammal,cetacean Observation Occurrence |
spellingShingle |
Occurrence,Aircraft,Sightings,harbor porpoise,Phocoena phocoena,abundance,aerial survey,marine mammal survey,survey,marine mammal,cetacean Observation Occurrence Goetz, Kimberly Waite, Janice NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... |
topic_facet |
Occurrence,Aircraft,Sightings,harbor porpoise,Phocoena phocoena,abundance,aerial survey,marine mammal survey,survey,marine mammal,cetacean Observation Occurrence |
description |
Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: From 4 to 13 August 1991, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey throughout the coastal waters of Bristol Bay. A Twin Otter was used as the survey platform and was flown at an altitude of 152.2 m (500 ft) and at an airspeed of 185 km/h. The second of three identical sawtooth tracklines was flown along the south side of Bristol Bay. Line-transect methodology was used, and only those observations made during optimal conditions were analyzed. Density of harbor porpoises was calculated using line transect estimates based on perpendicular distances of sightings to the cruise track of the airplane. On average, porpoise group size and density for Bristol Bay was 1.17 (SE = 0.35) and 4.48 groups/100 km2 (SE = 1.38). Purpose: Although harbor porpoises, Phocoena phocoena , are known to occur throughout Alaska waters, few ... |
format |
Dataset |
author |
Goetz, Kimberly Waite, Janice |
author_facet |
Goetz, Kimberly Waite, Janice |
author_sort |
Goetz, Kimberly |
title |
NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... |
title_short |
NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... |
title_full |
NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... |
title_fullStr |
NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... |
title_full_unstemmed |
NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 2, 1991 ... |
title_sort |
nmml harbor porpoise aerial survey, bristol bay, replicate 2, 1991 ... |
publisher |
OBIS-SEAMAP |
publishDate |
2021 |
url |
https://dx.doi.org/10.15468/kbcnw4 https://www.gbif.org/dataset/1f291e00-0571-4980-96d5-f9c9370a67ca |
genre |
Phocoena phocoena Alaska |
genre_facet |
Phocoena phocoena Alaska |
op_rights |
Creative Commons Attribution Non Commercial 4.0 International https://creativecommons.org/licenses/by-nc/4.0/legalcode cc-by-nc-4.0 |
op_doi |
https://doi.org/10.15468/kbcnw4 |
_version_ |
1795036372359184384 |