NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ...
Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: On 6 July to 9 August 1992, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey off the south side of the Alaska Pe...
Main Authors: | , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
OBIS-SEAMAP
2021
|
Subjects: | |
Online Access: | https://dx.doi.org/10.15468/jxbpgc https://www.gbif.org/dataset/ff27fde3-c3cd-4c52-a67a-6c0a6d751c54 |
id |
ftdatacite:10.15468/jxbpgc |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.15468/jxbpgc 2024-02-27T08:44:34+00:00 NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ... Goetz, Kimberly Waite, Janice 2021 https://dx.doi.org/10.15468/jxbpgc https://www.gbif.org/dataset/ff27fde3-c3cd-4c52-a67a-6c0a6d751c54 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 OCCURRENCE Dataset 2021 ftdatacite https://doi.org/10.15468/jxbpgc 2024-02-01T16:56:41Z Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: On 6 July to 9 August 1992, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey off the south side of the Alaska Peninsula. Employing a Twin Otter as the survey platform, the first of two 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 off the south side of the Alaska Peninsula was 1.1 (SE = 0.10) and 2.03 groups/100 km2 (SE = 1.65). Purpose: Although harbor porpoises, Phocoena phocoena , are known to occur throughout Alaska waters, few estimates of abundance ... 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, Alaska Peninsula, Replicate 1, 1992 ... |
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 6 July to 9 August 1992, as part of a larger study, Alaska harbor porpoise ( Phocoena phocoena ) abundance was investigated during an aerial survey off the south side of the Alaska Peninsula. Employing a Twin Otter as the survey platform, the first of two 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 off the south side of the Alaska Peninsula was 1.1 (SE = 0.10) and 2.03 groups/100 km2 (SE = 1.65). Purpose: Although harbor porpoises, Phocoena phocoena , are known to occur throughout Alaska waters, few estimates of abundance ... |
format |
Dataset |
author |
Goetz, Kimberly Waite, Janice |
author_facet |
Goetz, Kimberly Waite, Janice |
author_sort |
Goetz, Kimberly |
title |
NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ... |
title_short |
NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ... |
title_full |
NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ... |
title_fullStr |
NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ... |
title_full_unstemmed |
NMML Harbor Porpoise Aerial Survey, Alaska Peninsula, Replicate 1, 1992 ... |
title_sort |
nmml harbor porpoise aerial survey, alaska peninsula, replicate 1, 1992 ... |
publisher |
OBIS-SEAMAP |
publishDate |
2021 |
url |
https://dx.doi.org/10.15468/jxbpgc https://www.gbif.org/dataset/ff27fde3-c3cd-4c52-a67a-6c0a6d751c54 |
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/jxbpgc |
_version_ |
1792053025656799232 |