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      3. Western Australian Marine Science Institution
      4. WAMSI 2 - Dredging Node - Project 7.5 - Effects of Dredging Related Pressures on Critical Ecological Processes for Coral - SETTLEMENT STUDIES, Western Australia

      WAMSI 2 - Dredging Node - Project 7.5 - Effects of Dredging Related Pressures on Critical Ecological Processes for Coral - SETTLEMENT STUDIES, Western Australia

      Data will be in the form of a report, which will be a secured (printable, non-editable), searchable, Portable Document Format (PDF) showing the results of the experiments.

      Settlement studies (Project 7.5): It is believed that coral larvae prefer to settle on sediment-free surfaces and this key recruitment process may be affected by suspended solids and deposition from dredging. The objective of project 7.5 is to examine if the settlement of broadcast spawning and brooding corals are affected by sediments from dredging and the primary cause:effect pathway whereby sediments can affect settlement. Larval settlement and metamorphosis will be examined in small (200 L) or larger (up to 1000 L) mesocosm tanks where light, turbidity and sedimentation rate can be controlled and measured and where corals will be exposed to a realistic range of TSS concentrations and PSDs on settlement success over an incubation period of several days. The experiment will require developing settling media which present the larvae with differently orientated locations/planes in which to settle. Light levels will also be manipulated to mimic the shading expected during dredging events and the combinations of orientation, sedimentation, TSS and light levels will help identify cause-effect relationships that affect settlement success. The settlement studies will be conducted with planulae with either broadcast spawning or brooding species and these projects may be combined depending on availability of test material (planulae) for experimentation. Experiments will be conducted each year (over a 3 year period) during the coral spawning period (October-December) for broadcast spawning species and during the year with brooding species.

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      Activity Stream RDF JSON
      western-australian-marine-science-institution
      Key Information
      Published by
      Western Australian Marine Science Institution
      Information classification
      -
      Data theme
      Science
      Data last updated
      02-05-2018
      Update frequency
      infrequently
      Data custodian
      Author Not Specified
      Dataset contact
      Maintainer Not Specified
      Website
      -
      First published
      27-06-2016
      Metadata last updated
      25-05-2022
      Data source
      http://catalogue.aodn.org.au/geonetwork/srv/eng/metadata.show?uuid=0e025767-ecc6-4863-92f3-45a8e231baf6
      Temporal coverage
      -
      Geospatial theme
      Marine and Estuaries
      Geospatial source projection
      -
      Spatial coverage

      Dataset extent

      Base map and data from OpenStreetMap and OpenStreetMap Foundation
      Digital object identifier
      -
      Citation
      -
      Data usability rating How reusable and linked the data is. Learn more.

      Acknowledgement

      The Government of Western Australia respectfully acknowledges the traditional owners of country throughout Western Australia and pays its respects to Elders past, present and emerging.

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