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SEFSC Southeast Cetacean Aerial Survey 1995

Dataset homepage

Citation

Garrison, L. 2013. SEFSC Southeast Cetacean Aerial Survey 1995. Data downloaded from OBIS-SEAMAP (http://seamap.env.duke.edu/dataset/86) on yyyy-mm-dd. https://doi.org/10.15468/5bfvh5 accessed via GBIF.org on 2025-05-16.

Description

Original provider: NOAA Southeast Fisheries Science Center (SEFSC) Dataset credits: NOAA Southeast Fisheries Science Center (SEFSC) Abstract: Southeast Cetacean Aerial Survey, SECAS, was conducted in 1995 by NOAA Southeast Fisheries Science Center (SEFSC) to estimate cetacean abundance. This data set contains sightings of cetaceans and sea turtles as well as other species, including fish and shark, observed during the aerial survey. The full taxonomic information for this dataset can be found in the Species tab. Marine mammals and sea turtles observed were: Cetaceans: - Atlantic spotted dolphin - Cuvier’s beaked whale - Humpback whale - Northern right whale - Pantropical spotted dolphin - Standard Bottlenose dolphin - Striped dolphin Sea Turtles: - Green turtle - Hardshell - Kemp's ridley - Leatherback - Loggerhead This survey's transects are available in the 'SECAS95Efforts' table/shapefile. ESRI coverage and shapefiles are available for this data set. Purpose: The purpose of this data set was to collect cetacean distribution data and allow for estimating cetacean abundance in the southeast. These abundance estimates were expected to serve as a basis for estimating Potential Biological Removals (PBR) for the species stocks in the region in support of Marine Mammal Protection Act (MMPA) requirements. More specifically, the survey was to obtain an index of abundance for Tursiops truncatus so as to detect population trends by comparison with historical abundance data (SETS). Supplemental information: Records with no common name were observations of pollution (e.g., plastic). Records were assigned a sequential number LineNo. LineNo can be used to match observations with corresponding transects, each of which has BegLineNo and EndLineNo fields. Observation records with their LineNo between BegLineNo and EndLineNo in a transect are related to that transect. A duplicated LineNo indicates more than one species were observed at the same time. Records include 'off-effort' sightings as well. Card F indicates that the observation was recorded while off-effort. When searching for a specific species, note that some records don't identify animals observed at a species level. If this is the case, the common/scientific name may be genus/family or higher (e.g., Balaenoptera sp.). A transect may consist of several segments when the aircraft goes off effort while on the transect. Observations associated with Transect 99 are not a part of the survey in a strict sense.

Purpose

The purpose of this data set was to collect cetacean distribution data and allow for estimating cetacean abundance in the southeast. These abundance estimates were expected to serve as a basis for estimating Potential Biological Removals (PBR) for the species stocks in the region in support of Marine Mammal Protection Act (MMPA) requirements. More specifically, the survey was to obtain an index of abundance for Tursiops truncatus so as to detect population trends by comparison with historical abundance data (SETS).

Sampling Description

Study Extent

NA

Sampling

NA

Method steps

  1. NA

Additional info

marine, harvested by iOBIS

Taxonomic Coverages

Scientific names are based on the Integrated Taxonomic Information System (ITIS).
  1. Stenella frontalis
    common name: Atlantic Spotted Dolphin rank: species
  2. Balaenoptera
    common name: baleen whales rank: genus
  3. Balaenoptera
    common name: baleen whales rank: genus
  4. Cetorhinus maximus
    common name: basking shark rank: species
  5. Scombridae
    common name: albacores rank: family
  6. Rachycentron canadum
    common name: cobia rank: species
  7. Ziphius cavirostris
    common name: Cuvier's Beaked Whale rank: species
  8. Exocoetidae
    common name: flyingfishes rank: family
  9. Chelonia mydas
    common name: Green Sea Turtle rank: species
  10. Sphyrnidae
    common name: bonnethead sharks rank: family
  11. Cheloniidae
    common name: Sea Turtles rank: family
  12. Megaptera novaeangliae
    common name: Humpback Whale rank: species
  13. Lepidochelys kempii
    common name: Kemp's Ridley rank: species
  14. Dermochelys coriacea
    common name: Leatherback Sea Turtle rank: species
  15. Caretta caretta
    common name: Loggerhead Sea Turtle rank: species
  16. Mobulidae
    common name: devil rays rank: family
  17. Eubalaena glacialis
    common name: North Atlantic Right Whale rank: species
  18. Stenella attenuata
    common name: Pantropical Spotted Dolphin rank: species
  19. Tursiops truncatus
    common name: Common Bottlenose Dolphin rank: species
  20. Stenella
    common name: spinner dolphins rank: genus
  21. Stenella coeruleoalba
    common name: Striped Dolphin rank: species
  22. Mola mola
    common name: ocean sunfish rank: species
  23. Cetacea
    common name: cetaceans rank: order
  24. Osteichthyes
    common name: bony fishes rank: superclass
  25. Rajiformes
    common name: rays rank: order
  26. Rajiformes
    common name: rays rank: order
  27. Elasmobranchii
    common name: cartilaginous fishes rank: subclass
  28. Osteichthyes
    common name: bony fishes rank: superclass
  29. Trichechus manatus
    common name: West Indian Manatee rank: species

Geographic Coverages

North Atlantic Ocean

Bibliographic Citations

Contacts

Lance Garrison
originator
position: Primary contact
NOAA Southeast Fisheries Science Center
email: lance.garrison@noaa.gov
OBIS-SEAMAP
metadata author
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
Durham
27708
NC
US
email: seamap-contact@duke.edu
homepage: https://seamap.env.duke.edu
OBIS-SEAMAP
distributor
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
Durham
27708
NC
US
email: seamap-contact@duke.edu
homepage: https://seamap.env.duke.edu
Lance Garrison
owner
position: Primary contact
NOAA Southeast Fisheries Science Center
email: lance.garrison@noaa.gov
Lance Garrison
administrative point of contact
position: Primary contact
NOAA Southeast Fisheries Science Center
email: lance.garrison@noaa.gov
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