Data

A Survey of the Macrocystis pyrifera (L.) C. Agardh Stocks on the East Coast of Tasmania, 1986

Australian Ocean Data Network
Craig Sanderson (Point of contact) 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/3adc02df-cbaf-4d9f-a246-74a21b367849&rft.title=A Survey of the Macrocystis pyrifera (L.) C. Agardh Stocks on the East Coast of Tasmania, 1986&rft.identifier=3adc02df-cbaf-4d9f-a246-74a21b367849&rft.publisher=Australian Ocean Data Network&rft.description=A survey of the east Tasmanian coastline from Musselroe Bay to South East Cape revealed a total of 10 km2 of Macrocystis pyrifera (Linnaeus) C. Agardh 1820 kelp forest. Average harvestable quantities based on Alginates (Australia) Company records (1965-72) show that cropping can expect to yield 5 ton/acre or 1.23 kg/m2. This realizes a total of 12,300 tonne available on the East Coast of Tasmania in 1986. Review of past records show fluctuations in total amounts harvested, due possibly to factors such as high oceanic water temperatures with subsequent low nutrient concentrations and storm damage. The survey was conducted from a light aeroplane. Areas of Macrocystis pyrifera beds were marked on 1:100,000 topographical land tenure maps using landmarks as references. Digitising of bed outlines on maps was done using Mapinfo. Weight of Macrocystis per unit area is also estimated from quadrats harvested at a number of sites along the coast.Statement: Data presented is taken from original 1:100000 maps used in the survey as described above.&rft.creator=Anonymous&rft.date=2020&rft.coverage=westlimit=143.5; southlimit=-44; eastlimit=149; northlimit=-39.2&rft.coverage=westlimit=143.5; southlimit=-44; eastlimit=149; northlimit=-39.2&rft_rights=Creative Commons Attribution 3.0 Australia License http://creativecommons.org/licenses/by/3.0/au/&rft_rights=The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).&rft_subject=biota&rft_subject=Macrocystis pyrifera&rft_subject=ECOLOGY Community&rft_subject=ECOLOGY Habitat&rft_subject=ECOLOGY Ecosystem&rft_subject=FISHERIES Marine&rft_subject=FLORA Native&rft_subject=MARINE Biology&rft_subject=MARINE Coasts&rft_subject=MARINE Reefs&rft_subject=VEGETATION Floristic&rft_subject=VEGETATION Structural&rft_subject=MACROALGAE (SEAWEEDS)&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=PLANTS&rft_subject=BROWN ALGAE&rft_subject=MARINE HABITAT&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=Phycology (incl. Marine Grasses)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=PLANT BIOLOGY&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=ECOLOGY&rft_subject=Temperate Reef&rft_subject=research aeroplane&rft_subject=Biotic taxonomic identification&rft.type=dataset&rft.language=English Access the data
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The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).

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Brief description

A survey of the east Tasmanian coastline from Musselroe Bay to South East Cape revealed a total of 10 km2 of Macrocystis pyrifera (Linnaeus) C. Agardh 1820 kelp forest. Average harvestable quantities based on Alginates (Australia) Company records (1965-72) show that cropping can expect to yield 5 ton/acre or 1.23 kg/m2. This realizes a total of 12,300 tonne available on the East Coast of Tasmania in 1986. Review of past records show fluctuations in total amounts harvested, due possibly to factors such as high oceanic water temperatures with subsequent low nutrient concentrations and storm damage. The survey was conducted from a light aeroplane. Areas of Macrocystis pyrifera beds were marked on 1:100,000 topographical land tenure maps using landmarks as references. Digitising of bed outlines on maps was done using Mapinfo. Weight of Macrocystis per unit area is also estimated from quadrats harvested at a number of sites along the coast.

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Statement: Data presented is taken from original 1:100000 maps used in the survey as described above.

Created: 2001-04-12

Modified: 12 04 2001

Data time period: 1986-06-01 to 1986-06-30

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149,-39.2 149,-44 143.5,-44 143.5,-39.2 149,-39.2

146.25,-41.6

text: westlimit=143.5; southlimit=-44; eastlimit=149; northlimit=-39.2

Subjects
AQUATIC ECOSYSTEMS | BIOLOGICAL CLASSIFICATION | Biological Sciences | BIOSPHERE | BROWN ALGAE | Biotic taxonomic identification | EARTH SCIENCE | Ecology | ECOLOGY Community | ECOLOGY Ecosystem | ECOLOGY Habitat | FISHERIES Marine | FLORA Native | MACROALGAE (SEAWEEDS) | MARINE Biology | MARINE Coasts | MARINE HABITAT | MARINE Reefs | Macrocystis pyrifera | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | Plant Biology | PLANTS | Phycology (Incl. Marine Grasses) | Temperate Reef | VEGETATION Floristic | VEGETATION Structural | biota | research aeroplane |

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

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  • global : 3adc02df-cbaf-4d9f-a246-74a21b367849
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