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DUML vessel-based line transect surveys for proposed Onslow Bay USWTR site 2007-2010

Dataset homepage

Citation

Urian, K. 2013. DUML vessel-based line transect surveys for proposed Onslow Bay USWTR site 2007-2010. Data downloaded from OBIS-SEAMAP (http://seamap.env.duke.edu/dataset/433) on yyyy-mm-dd. https://doi.org/10.15468/kbsc85 accessed via GBIF.org on 2025-06-22.

Description

Original provider: Duke University Marine Laboratory Dataset credits: Duke University Marine Laboratory Abstract: The United States (US) Navy proposed constructing an Undersea Warfare Training Range (USWTR) along the US Atlantic coast. One of the proposed sites within the Cherry Point (CHPT) OPAREA is an area of 1,713 km2 in Onslow Bay, 87 km from the coast of North Carolina. We established a monitoring program designed to estimate density and document distribution and seasonal residency of marine mammals and sea turtles in the proposed USWTR. We established ten 40 nm long transect lines, spaced approximately 5 nm apart. These ten transect lines were surveyed by both shipboard (Duke University Marine Lab) and aerial platforms (conducted by University of North Carolina Wilmington). The survey area incorporates a variety of habitats from shallow waters of the shelf to the continental slope; the Gulf Stream meanders through the eastern portion of the survey area, flowing towards the northeast. The surveys began in June 2007 and have transitioned into ongoing photo-ID and biopsy sampling surveys. Purpose: The primary objectives of these surveys are to: (1) document species occurrence, estimate densities, and examine patterns of residency of marine mammals and turtles in the defined study area, (2) conduct seabird counts concurrent with the visual surveys, and (3) supplement the visual surveys with acoustic monitoring using a towed hydrophone array. The towed array will facilitate compilation of an acoustic library of species-specific recordings. This is a collaborative project with University of North Carolina Wilmington and the Research Unit for Wildlife Population Assessment, Centre for Research into Ecological and Environmental Modelling, University of St. Andrews, Scotland. Supplemental information: 4-21-2011: This dataset has been updated to include 2008-2010 sightings. Records that did not include time were filled with 00:00:00 and noted in the [Notes] field. Effort data associated with the additional sightings are forthcoming. 3-19-2013: Additional survey data for the Onslow Bay USWTR site are available on OBIS-SEAMAP in the "DUML vessel-based photo-id and biopsy surveys in Onslow Bay CHPT OPAREA 2011-2013" dataset. All the US Navy-funded survey datasets are found in the OBIS-SEAMAP US Navy page.

Purpose

The primary objectives of these surveys are to: (1) document species occurrence, estimate densities, and examine patterns of residency of marine mammals and turtles in the defined study area, (2) conduct seabird counts concurrent with the visual surveys, and (3) supplement the visual surveys with acoustic monitoring using a towed hydrophone array. The towed array will facilitate compilation of an acoustic library of species-specific recordings. This is a collaborative project with University of North Carolina Wilmington and the Research Unit for Wildlife Population Assessment, Centre for Research into Ecological and Environmental Modelling, University of St. Andrews, Scotland.

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. Caretta caretta
    common name: Loggerhead Sea Turtle rank: species
  2. Dermochelys coriacea
    common name: Leatherback Sea Turtle rank: species
  3. Globicephala
    common name: pilot whales rank: genus
  4. Grampus griseus
    common name: Risso's Dolphin rank: species
  5. Stenella frontalis
    common name: Atlantic Spotted Dolphin rank: species
  6. Steno bredanensis
    common name: Rough-toothed Dolphin rank: species
  7. Tursiops truncatus
    common name: Common Bottlenose Dolphin rank: species
  8. Delphinidae
    common name: dolphins rank: family
  9. Delphinidae
    common name: dolphins rank: family
  10. Cheloniidae
    common name: Sea Turtles rank: family

Geographic Coverages

North Atlantic,Onslow Bay,Gulf Stream

Bibliographic Citations

Contacts

Kim Urian
originator
position: Primary contact
DUML
email: kim.urian@gmail.com
OBIS-SEAMAP
metadata author
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
Durham
27708
NC
US
email: seamap-contact@duke.edu
homepage: http://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: http://seamap.env.duke.edu
Kim Urian
owner
position: Primary contact
DUML
email: kim.urian@gmail.com
Kim Urian
administrative point of contact
position: Primary contact
DUML
email: kim.urian@gmail.com
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