PIFSC, Cetacean Survey, MACS 2015, Cruise 1502, NOAA Pacific Islands Fisheries Science Center

Marie C. Hill

doi:10.15468/5trk5p

PIFSC, Cetacean Survey, MACS 2015, Cruise 1502, NOAA Pacific Islands Fisheries Science Center

Citation

Hill M C, OBIS-SEAMAP (2023). PIFSC, Cetacean Survey, MACS 2015, Cruise 1502, NOAA Pacific Islands Fisheries Science Center. Version 1.1. OBIS-SEAMAP. Occurrence dataset https://doi.org/10.15468/5trk5p accessed via GBIF.org on 2024-12-15.

Description

Original provider: NOAA Pacific Islands Fisheries Science Center (PIFSC) Dataset credits: NOAA Pacific Islands Fisheries Science Center Abstract: The Mariana Archipelago Cetacean Survey (MACS) was a shipboard line-transect survey within 50 nmi of the Mariana Islands within the Guam and CNMI exclusive economic zone (8 May - 6 June 2015). Three days were lost to diversion out of the study area due to Typhoon Dolphin. All regions of the study area were at least partially surveyed as planned, with some gaps in transect survey coverage due to the weather diversion. There were 42 cetacean sightings that included 9 identified species, as well as groups of dolphins, whales, and beaked whales that could not be identified to species. Supplemental information: Data were collected under NMFS permit 15240. The data included here are the sightings and on-effort tracks recorded within WinCruz survey software and extracted from the QA/QC'd DAS file using the R package swfscDAS (https://smwoodman.github.io/swfscDAS). Attributes for fields within the trackline files: Cruise - see description in attribute table below segnum - segment number for continuous on-effort line Date - Local date m/dd/yyyy TimeStart - Local time at start of on-effort segment LatStart - Latitude in decimal degrees at starting point of on-effort segment LongStart - Longitude in decimal degrees at starting point of on-effort segment TimeEnd - Local time at end of on-effort segment LatEnd - Latitude in decimal degrees at end point of on-effort segment LongEnd - Longitude in decimal degrees at end point of on-effort segment Mode - see description in attribute table below EffType - see description in attribute table below avgSpdKt - average speed (knots) of the ship over the on-effort segment traveled avgBft - average Beaufort Sea State over the on-effort segment Other data not included here: Photos and biopsy samples were collected and satellite tags were deployed during some sightings. Acoustic detections were recorded from a towed hydrophone array. Sonobuoys were deployed opportunistically. High-frequency Acoustic Recording Packages (HARP) were recovered and redeployed off Saipan and Tinian and deployed off Pagan. Oceanographic data were collected (CTD, XBT).

Purpose

Not available

Sampling Description

Study Extent

NA

Sampling

NA

Method steps

NA

Additional info

marine, harvested by iOBIS

Taxonomic Coverages

Scientific names are based on the Integrated Taxonomic Information System (ITIS).

Stenella longirostris
common name: Spinner Dolphin rank: species
Steno bredanensis
common name: Rough-toothed Dolphin rank: species
Delphinidae
common name: dolphins rank: family
Tursiops truncatus
common name: Common Bottlenose Dolphin rank: species
Grampus griseus
common name: Risso's Dolphin rank: species
Peponocephala electra
common name: Melon-headed Whale rank: species
Pseudorca crassidens
common name: False Killer Whale rank: species
Physeter macrocephalus
common name: Sperm Whale rank: species
Mesoplodon
common name: beaked whales rank: genus
Mesoplodon densirostris
common name: Blainville's Beaked Whale rank: species
Balaenopteridae
common name: rorquals rank: family
Balaenoptera brydei
common name: Bryde's whale rank: species
Delphinidae
common name: dolphins rank: family
Cetacea
common name: cetaceans rank: order

Geographic Coverages

Guam

Bibliographic Citations

Contacts

Marie C. Hill
originator
position: Primary contact
NOAA Pacific Islands Fisheries Science Center
email: Marie.Hill@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

Marie C. Hill
owner
position: Primary contact
NOAA Pacific Islands Fisheries Science Center
email: Marie.Hill@noaa.gov

Marie C. Hill
administrative point of contact
position: Primary contact
NOAA Pacific Islands Fisheries Science Center
email: Marie.Hill@noaa.gov