Data

Surveys of giant kelp (Macrocystis pyrifera) areal coverage on the South and East Coast of Tasmania, aggregated 1950-2019

Australian Ocean Data Network
Craig Sanderson (Custodian of) IMAS Data Manager (Point of contact)
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=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/c0e0fef6-323b-4df2-9f4f-51c0ce7ac289&rft.title=Surveys of giant kelp (Macrocystis pyrifera) areal coverage on the South and East Coast of Tasmania, aggregated 1950-2019&rft.identifier=c0e0fef6-323b-4df2-9f4f-51c0ce7ac289&rft.publisher=Australian Ocean Data Network&rft.description=This record describes an aggregated data product compiled from a number of different surveys of Macrocystis surface cover in Tasmanian waters, spanning 1950 to 2019. Some surveys represent a statewide census of Macrocystis cover, while others are targeted surveys of smaller regions. Methodology and data quality may also vary between surveys. Please see linked metadata records for specific methodologies and quality statements applying to individual surveys.Statement: Surveys of the surface (areal) extent of Macrocystis were conducted on multiple occasions using a range of methodologies (visual survey by boat, digitising of aerial photographs from light aircraft etc). Surveys were conducted in 1950-53, 1965, 1970-71, 1986, 1988, 1999, 2009 and 2019. Polygon data from all surveys was combined into a single data product (no spatial operations conducted). Note that attributes collected varies between surveys. Quality and spatial resolution generally improve with more recent surveys, but please see linked metadata records for specific methodologies and quality statements applying to individual surveys.&rft.creator=Anonymous&rft.date=2020&rft.coverage=westlimit=146.00; southlimit=-44.00; eastlimit=149.00; northlimit=-39.50&rft.coverage=westlimit=146.00; southlimit=-44.00; eastlimit=149.00; northlimit=-39.50&rft_rights=Creative Commons Attribution 4.0 International License https://creativecommons.org/licenses/by/4.0/&rft_rights=Please see metadata records associated with individual surveys for specific citation information and data ownership.&rft_rights=The data described in this record are hosted by the Institute for Marine and Antarctic Studies, University of Tasmania, on behalf of the Tasmanian Government.&rft_subject=biota&rft_subject=Climate change impact&rft_subject=Macrocystis pyrifera&rft_subject=M. pyrifera&rft_subject=MARINE ENVIRONMENT MONITORING&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=BENTHIC HABITAT&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=MARINE HABITAT&rft_subject=MACROALGAE (SEAWEEDS)&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=PLANTS&rft_subject=BROWN ALGAE&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Phycology (incl. Marine Grasses)&rft_subject=PLANT BIOLOGY&rft_subject=Temperate Reef&rft_subject=research vessel&rft_subject=research aeroplane&rft_subject=Abundance of biota&rft_subject=Biotic taxonomic identification&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

Open Licence view details
CC-BY

Creative Commons Attribution 4.0 International License
https://creativecommons.org/licenses/by/4.0/

Please see metadata records associated with individual surveys for specific citation information and data ownership.

The data described in this record are hosted by the Institute for Marine and Antarctic Studies, University of Tasmania, on behalf of the Tasmanian Government.

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Brief description

This record describes an aggregated data product compiled from a number of different surveys of Macrocystis surface cover in Tasmanian waters, spanning 1950 to 2019. Some surveys represent a statewide census of Macrocystis cover, while others are targeted surveys of smaller regions. Methodology and data quality may also vary between surveys. Please see linked metadata records for specific methodologies and quality statements applying to individual surveys.

Lineage

Statement: Surveys of the surface (areal) extent of Macrocystis were conducted on multiple occasions using a range of methodologies (visual survey by boat, digitising of aerial photographs from light aircraft etc). Surveys were conducted in 1950-53, 1965, 1970-71, 1986, 1988, 1999, 2009 and 2019. Polygon data from all surveys was combined into a single data product (no spatial operations conducted). Note that attributes collected varies between surveys. Quality and spatial resolution generally improve with more recent surveys, but please see linked metadata records for specific methodologies and quality statements applying to individual surveys.

Notes

Credit
Compiled by Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS).
Credit
SeaCare Inc.
Credit
CSIRO Division of Fisheries
Credit
Alginates (Australia) P/L
Credit
Craig Sanderson

Data time period: 1953-01-01 to 2019-12-19

This dataset is part of a larger collection

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149,-39.5 149,-44 146,-44 146,-39.5 149,-39.5

147.5,-41.75

text: westlimit=146.00; southlimit=-44.00; eastlimit=149.00; northlimit=-39.50

Subjects
AQUATIC ECOSYSTEMS | Abundance of biota | BENTHIC HABITAT | BIOLOGICAL CLASSIFICATION | Biological Sciences | BIOSPHERE | BROWN ALGAE | Biotic taxonomic identification | Climate change impact | EARTH SCIENCE | Ecology | M. pyrifera | MACROALGAE (SEAWEEDS) | MARINE ENVIRONMENT MONITORING | MARINE HABITAT | Macrocystis pyrifera | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | OCEANS | Plant Biology | PLANTS | Phycology (Incl. Marine Grasses) | Temperate Reef | biota | research aeroplane | research vessel |

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Identifiers
  • global : c0e0fef6-323b-4df2-9f4f-51c0ce7ac289
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