Dataset

Scalloped Hammerhead Sharks in the Eastern Tropical Pacific Seascape

Australian Institute of Marine Science
Australian Institute of Marine Science (AIMS)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://apps.aims.gov.au/metadata/view/a4899a11-2917-4f8b-afa8-e4873c3ec866&rft.title=Scalloped Hammerhead Sharks in the Eastern Tropical Pacific Seascape&rft.identifier=http://apps.aims.gov.au/metadata/view/a4899a11-2917-4f8b-afa8-e4873c3ec866&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=Acoustic telemetry data for juvenile hammerhead sharks were collected at Golfo Dulce, Costa Rica, to better understand patterns of residency of 1 year old sharks in the estuary. The area is known for presenting high abundance of neonates and juvenile hammerhead sharks, but previous data included only fisheries dependent surveys, with little information on the habitat use and residency patterns of these sharks. Telemetry data collected have been crucial for proving the presence and high residency of juvenile sharks and led to the designation of Golfo Dulce as a protected shark sanctuary and nursery site. Sharks were tagged with internal passive acoustic VEMCO tags on June 2, 2011 and data on their movement patterns collected on a receiver array in shallow waters of Golfo Dulce until February 2013.\nSharks were captured by rod and reel using sardines as bait, and tagged using coded transmitters V13 and V16 from Vemco Ltd., Halifax, Nova Scotia, Canada. Transmitters had a battery life of 3 years and emitted a pulse train of closely spaced 69 kHz pinged. A receiver array of three VR2 receivers was deployed prior to tagging in a 15-18m muddy bottom close to a wetland ecosystem. Receivers stored information on detections along a 350-500 radius.\n&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2019&rft.coverage=northlimit=10.941191793456534; southlimit=-4.061535597066106; westlimit=-92.83447265625001; eastLimit=-77.05810546875001&rft.coverage=northlimit=10.941191793456534; southlimit=-4.061535597066106; westlimit=-92.83447265625001; eastLimit=-77.05810546875001&rft.coverage=northlimit=1.4500404973608074; southlimit=-2.591888984149953; westlimit=-93.29589843750001; eastLimit=-89.3408203125&rft.coverage=northlimit=1.4500404973608074; southlimit=-2.591888984149953; westlimit=-93.29589843750001; eastLimit=-89.3408203125&rft_rights=All AIMS data, products and services are provided as is and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=The data was collected under contract between AIMS and another party(s). Specific agreements for access and use of the data shall be negotiated separately. Contact the AIMS Data Centre (adc@aims.gov.au) for further information&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data
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All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

The data was collected under contract between AIMS and another party(s). Specific agreements for access and use of the data shall be negotiated separately. Contact the AIMS Data Centre (adc@aims.gov.au) for further information

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Brief description

Acoustic telemetry data for juvenile hammerhead sharks were collected at Golfo Dulce, Costa Rica, to better understand patterns of residency of 1 year old sharks in the estuary. The area is known for presenting high abundance of neonates and juvenile hammerhead sharks, but previous data included only fisheries dependent surveys, with little information on the habitat use and residency patterns of these sharks. Telemetry data collected have been crucial for proving the presence and high residency of juvenile sharks and led to the designation of Golfo Dulce as a protected shark sanctuary and nursery site. Sharks were tagged with internal passive acoustic VEMCO tags on June 2, 2011 and data on their movement patterns collected on a receiver array in shallow waters of Golfo Dulce until February 2013.\n

Notes

Cure, K. Australian Institute of Marine Science (AIMS)
Zanella, I (Mision Tiburon, Costa Rica)

Lineage

Sharks were captured by rod and reel using sardines as bait, and tagged using coded transmitters V13 and V16 from Vemco Ltd., Halifax, Nova Scotia, Canada. Transmitters had a battery life of 3 years and emitted a pulse train of closely spaced 69 kHz pinged. A receiver array of three VR2 receivers was deployed prior to tagging in a 15-18m muddy bottom close to a wetland ecosystem. Receivers stored information on detections along a 350-500 radius.\n

Modified: 20200430

Data time period: 2011-06-02 to 2013-02-13

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  • Associated with Zanella I, Lopez-Garro A, Cure K (2019) Golfo Dulce: critical habitat and nursery area for juvenile scalloped hammerhead sharks Sphyrna lewini in the Eastern Tropical Pacific Seascape. Environmental Biology of Fishes 102(10): 1291-1300
    http://epubs.aims.gov.au/handle/11068/15256

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text: northlimit=1.4500404973608074; southlimit=-2.591888984149953; westlimit=-93.29589843750001; eastLimit=-89.3408203125

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