Data

Henderson Island beach debris data 2015

University of Tasmania, Australia
Lavers, Jennifer L ; Bond, Alexander L.
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25959/5e41cce244c87&rft.title=Henderson Island beach debris data 2015&rft.identifier=10.25959/5e41cce244c87&rft.description=Data on the type, provenance, quantity (density), and rate of accumulation of beach-washed plastic debris were recorded on Henderson Island, a remote, uninhabited island in the South Pacific during 29 May – 15 August 2015. Henderson Island is rarely visited by humans, thus debris on the islands' beaches may act as a proxy for the adjacent South Pacific Ocean. The island was found to contain the highest density of debris anywhere in the world, up to 671.6 items/m2 (mean ± SD: 239.4 ± 347.3 items/m2 on the surface of the beaches. Approximately 68% of debris (up to 4,496.9 pieces/m2) was buried Maintenance and Update Frequency: notPlannedStatement: Methods are detailed in Lavers & Bond (2017): https://www.pnas.org/content/114/23/6052.abstract In brief, micro- (2–5 mm) and macrodebris (≥5 mm) items, including plastic, glass, wood, and metal items, were sampled along the North (2.1 km long) and East (1.9 km long) Beaches of Henderson Island from 2015 May 29–August 15. We sampled surface beach debris along five 30-m transects and 10 20-m transects in the beach-back. Buried debris (0–10 cm) was sieved from all sediment excavated in 10 0.4 × 0.4 m quadrats. Plastic accumulation was sampled along a 10 × 0.2 m transect centered on the high tide line on North Beach for six consecutive days. To extrapolate the total amount of debris on Henderson Island, we multiplied the mean surface densities and mean buried densities by total beach area and added the debris from a highly polluted area separately (SI Materials and Methods). All debris items (≥2 mm on beaches and ≥5 mm in the beach-back) encountered on sample transects or quadrats were counted, weighed, and sorted by type and color.&rft.creator=Lavers, Jennifer L &rft.creator=Bond, Alexander L. &rft.date=2020&rft.coverage=westlimit=231.632336885; southlimit=-24.4352813662; eastlimit=231.728467256; northlimit=-24.3264598301&rft.coverage=westlimit=231.632336885; southlimit=-24.4352813662; eastlimit=231.728467256; northlimit=-24.3264598301&rft_rights=The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.&rft_rights= http://creativecommons.org/licenses/by/4.0/&rft_rights=http://i.creativecommons.org/l/by/4.0/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution 4.0 International License&rft_rights=http://creativecommons.org/international/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&rft_rights=Cite data as: Lavers, J., Bond, A. (2015). Henderson Island beach debris data. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). doi:10.25959/5e41cce244c87&rft_rights=Please contact Principal Investigators (Jennifer Lavers or Alexander Bond, see Point of Contact) before using dataset.&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0&rft_subject=oceans&rft_subject=Marine debris&rft_subject=Plastic pollution&rft_subject=Remote island&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | MARINE ECOSYSTEMS | PELAGIC | OCEANIC ZONE&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | ANTHROPOGENIC/HUMAN INFLUENCED ECOSYSTEMS&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | MARINE ECOSYSTEMS&rft_subject=BEACHES&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=TERRESTRIAL ECOSYSTEMS&rft_subject=ISLANDS&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Conservation and Biodiversity&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ENVIRONMENTAL SCIENCE AND MANAGEMENT&rft_subject=Environmental Monitoring&rft.type=dataset&rft.language=English Access the data

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The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.

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License Text

Cite data as: Lavers, J., Bond, A. (2015). Henderson Island beach debris data. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). doi:10.25959/5e41cce244c87

Please contact Principal Investigators (Jennifer Lavers or Alexander Bond, see Point of Contact) before using dataset.

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Brief description

Data on the type, provenance, quantity (density), and rate of accumulation of beach-washed plastic debris were recorded on Henderson Island, a remote, uninhabited island in the South Pacific during 29 May – 15 August 2015. Henderson Island is rarely visited by humans, thus debris on the islands' beaches may act as a proxy for the adjacent South Pacific Ocean. The island was found to contain the highest density of debris anywhere in the world, up to 671.6 items/m2 (mean ± SD: 239.4 ± 347.3 items/m2 on the surface of the beaches. Approximately 68% of debris (up to 4,496.9 pieces/m2) was buried <10 cm in the beach sediment. Up to 26.8 new items/m are thought to accumulate daily.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Methods are detailed in Lavers & Bond (2017): https://www.pnas.org/content/114/23/6052.abstract
In brief, micro- (2–5 mm) and macrodebris (≥5 mm) items, including plastic, glass, wood, and metal items, were sampled along the North (2.1 km long) and East (1.9 km long) Beaches of Henderson Island from 2015 May 29–August 15. We sampled surface beach debris along five 30-m transects and 10 20-m transects in the beach-back. Buried debris (0–10 cm) was sieved from all sediment excavated in 10 0.4 × 0.4 m quadrats. Plastic accumulation was sampled along a 10 × 0.2 m transect centered on the high tide line on North Beach for six consecutive days. To extrapolate the total amount of debris on Henderson Island, we multiplied the mean surface densities and mean buried densities by total beach area and added the debris from a highly polluted area separately (SI Materials and Methods). All debris items (≥2 mm on beaches and ≥5 mm in the beach-back) encountered on sample transects or quadrats were counted, weighed, and sorted by type and color.

Notes

Credit
Royal Society for the Protection of Birds
Credit
David and Lucile Packard Foundation
Credit
Darwin Initiative
Credit
Farallon Islands Foundation
Credit
British Birds
Credit
Government of the Pitcairn Islands

Created: 2020-01-06

Data time period: 2015-05-29 to 2015-08-15

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