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Short-finned pilot whales (Globicephala macrorhynchus) of the Mariana Archipelago: Individual affiliations, movements, and spatial use

Document (DOC)  |  Pacific Islands Fisheries Science Center (PIFSC)
GUID: gov.noaa.nmfs.inport:35214  |  Updated: October 20, 2022  |  Published / External 

Item Identification

Title: Short-finned pilot whales (Globicephala macrorhynchus) of the Mariana Archipelago: Individual affiliations, movements, and spatial use
Status: Completed
Publication Date: 2018-11-26
Abstract:

Little is known about short‐finned pilot whales (Globicephala macrorhynchus) in the western North Pacific outside of Japanese coastal waters. To expand understanding of short‐finned pilot whale ecology in the region, we conducted small‐boat surveys in 2010−2016 within the Mariana Archipelago to investigate individual associations, movements, spatial use, and dive behavior of short‐finned pilot whales. We collected genetic, photo‐identification, and satellite‐tag data and identified 191 distinctive individuals. A preliminary social network diagram of photo‐cataloged individuals revealed a main cluster that comprised 82% of individuals, representing all five mitochondrial DNA haplotypes identified within the population. Kernel density estimates for tagged short‐finned pilot whales (n = 11) during summer were used to identify areas with the highest probability of use (10% probability density contour), core area (50%) and home range (95%). The area with highest probability of use by short‐finned pilot whales was off the northwest side of Guam. Satellite tag data also suggest that some individuals are island‐associated year‐round. Data from five location‐dive tags demonstrated that the short‐finned pilot whales dove more often to intermediate depths at twilight and night, suggesting they may target prey that forage on the deep scattering layer as it migrates to and from the surface.
Other Citation Details:

Hill MC, Bendlin AR, Van Cise AM, Milette-Winfree A, Ligon AD, Deakos MH, U AC, Oleson EM. 2019. Short-finned pilot whales (Globicephala macrorhynchus) of the Mariana Archipelago: Individual affiliations, movements, and spatial use. Mar Mam Sci 35:797–824. doi: 10.1111/mms.12567
DOI (Digital Object Identifier): https://doi.org/10.1111/mms.12567

Keywords

Theme Keywords

Thesaurus Keyword
UNCONTROLLED
None dive behaviour
None Globicephala macrorhynchus
None kernel density estimation
None photo-identification
None satellite tagging
None short-finned pilot whales
None social network diagram

Spatial Keywords

Thesaurus Keyword
UNCONTROLLED
None Mariana Archipelago

Physical Location

Organization: Pacific Islands Fisheries Science Center
City: Honolulu
State/Province: HI
Country: USA

Document Information

Document Type: Journal article
Format: Acrobat Portable Document Format
Status Code: Published

Support Roles

Author

CC ID: 353169
Date Effective From: 2016
Date Effective To:
Contact (Person): Hill, Marie C
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
USA
Email Address: marie.hill@noaa.gov
Phone: (808)725-5710

Data Steward

CC ID: 353173
Date Effective From: 2016
Date Effective To:
Contact (Person): Hill, Marie C
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
USA
Email Address: marie.hill@noaa.gov
Phone: (808)725-5710

Distributor

CC ID: 353171
Date Effective From: 2016
Date Effective To:
Contact (Organization): Pacific Islands Fisheries Science Center (PIFSC)
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
USA
Email Address: pifsc.info@noaa.gov
Phone: 808-725-5360
URL: https://www.pifsc.noaa.gov
Business Hours: 8:00 a.m. - 4:30 p.m.

Metadata Contact

CC ID: 353170
Date Effective From: 2016
Date Effective To:
Contact (Person): Hill, Marie C
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
USA
Email Address: marie.hill@noaa.gov
Phone: (808)725-5710

Point of Contact

CC ID: 353172
Date Effective From: 2016
Date Effective To:
Contact (Person): Hill, Marie C
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
USA
Email Address: marie.hill@noaa.gov
Phone: (808)725-5710

Extents

Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 353187
W° Bound: 141
E° Bound: 150
N° Bound: 24
S° Bound: 10
Description

CNMI/Guam EEZ

Extent Group 1 / Time Frame 1

CC ID: 353188
Time Frame Type: Range
Start: 2010
End: 2016

Access Information

Security Class: Unclassified
Data Access Policy:

Requestor will be asked to submit a request by email to Erin Oleson {erin.oleson@noaa.gov) or Marie Hill (marie.hill@noaa.gov)
Data Access Procedure:

Requestor will be asked to submit a request by email to Erin Oleson {erin.oleson@noaa.gov) or Marie Hill (marie.hill@noaa.gov)
Data Access Constraints:

Requestor will be asked to submit a request by email to Erin Oleson {erin.oleson@noaa.gov) or Marie Hill (marie.hill@noaa.gov)
Data Use Constraints:

Requestor will be asked to submit a request by email to Erin Oleson {erin.oleson@noaa.gov) or Marie Hill (marie.hill@noaa.gov)
Metadata Access Constraints:

None
Metadata Use Constraints:

None

Catalog Details

Catalog Item ID: 35214
GUID: gov.noaa.nmfs.inport:35214
Metadata Record Created By: Marie C Hill
Metadata Record Created: 2016-10-10 13:25+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-10-20 02:17+0000
Metadata Record Published: 2019-07-17
Owner Org: PIFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2019-07-17
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2020-07-17