NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ...
Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: On 1 to 26 June 1993, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey from Prince William Sound to Dixon Entran...
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Online Access: | https://dx.doi.org/10.15468/56fjsg https://www.gbif.org/dataset/b6799d52-6c28-4b02-b0dc-56d503858323 |
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ftdatacite:10.15468/56fjsg 2024-03-31T07:55:00+00:00 NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ... Goetz, Kimberly Waite, Janice 2021 https://dx.doi.org/10.15468/56fjsg https://www.gbif.org/dataset/b6799d52-6c28-4b02-b0dc-56d503858323 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/10.15468/56fjsg 2024-03-04T14:23:45Z Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: On 1 to 26 June 1993, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey from Prince William Sound to Dixon Entrance. Employing a Twin Otter as the survey platform, the first of three identical sawtooth tracklines was flown at an altitude of 152.2 m (500 ft) and at an airspeed of 185 km/h. 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 from Prince William Sound to Dixon Entrance was 1.22 (SE = 0.04) and 4.02 groups/100 km2 (SE = 7.42). Purpose: Although harbor porpoises, Phocoena phocoena , are known to occur throughout Alaska waters, few estimates of abundance exist. ... Dataset Phocoena phocoena Alaska DataCite Metadata Store (German National Library of Science and Technology) Dixon Entrance ENVELOPE(-132.003,-132.003,54.416,54.416) |
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, SE Alaska, Replicate 1, 1993 ... |
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: On 1 to 26 June 1993, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey from Prince William Sound to Dixon Entrance. Employing a Twin Otter as the survey platform, the first of three identical sawtooth tracklines was flown at an altitude of 152.2 m (500 ft) and at an airspeed of 185 km/h. 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 from Prince William Sound to Dixon Entrance was 1.22 (SE = 0.04) and 4.02 groups/100 km2 (SE = 7.42). Purpose: Although harbor porpoises, Phocoena phocoena , are known to occur throughout Alaska waters, few estimates of abundance exist. ... |
format |
Dataset |
author |
Goetz, Kimberly Waite, Janice |
author_facet |
Goetz, Kimberly Waite, Janice |
author_sort |
Goetz, Kimberly |
title |
NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ... |
title_short |
NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ... |
title_full |
NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ... |
title_fullStr |
NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ... |
title_full_unstemmed |
NMML Harbor Porpoise Aerial Survey, SE Alaska, Replicate 1, 1993 ... |
title_sort |
nmml harbor porpoise aerial survey, se alaska, replicate 1, 1993 ... |
publisher |
OBIS-SEAMAP |
publishDate |
2021 |
url |
https://dx.doi.org/10.15468/56fjsg https://www.gbif.org/dataset/b6799d52-6c28-4b02-b0dc-56d503858323 |
long_lat |
ENVELOPE(-132.003,-132.003,54.416,54.416) |
geographic |
Dixon Entrance |
geographic_facet |
Dixon Entrance |
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/10.15468/56fjsg |
_version_ |
1795036372745060352 |