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New tools to identify the location of seagrass meadows: marine grazers as habitat indicators

Hays, Graeme C., Alcoverro, Teresa, Christianen, Marjolijn J. A., Duarte, Carlos M., Hamann, Mark, Macreadie, Peter I., Marsh, Helene D., Rasheed, Michael A., Thums, Michele, Unsworth, Richard K. F., York, Paul H. and Esteban, Nicole 2018, New tools to identify the location of seagrass meadows: marine grazers as habitat indicators, Frontiers in marine science, vol. 5, pp. 1-6, doi: 10.3389/fmars.2018.00009.

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Title New tools to identify the location of seagrass meadows: marine grazers as habitat indicators
Author(s) Hays, Graeme C.ORCID iD for Hays, Graeme C. orcid.org/0000-0002-3314-8189
Alcoverro, Teresa
Christianen, Marjolijn J. A.
Duarte, Carlos M.
Hamann, Mark
Macreadie, Peter I.ORCID iD for Macreadie, Peter I. orcid.org/0000-0001-7362-0882
Marsh, Helene D.
Rasheed, Michael A.
Thums, Michele
Unsworth, Richard K. F.
York, Paul H.
Esteban, Nicole
Journal name Frontiers in marine science
Volume number 5
Article ID 9
Start page 1
End page 6
Total pages 6
Publisher Frontiers Research Foundation
Place of publication Lausanne, Switzerland
Publication date 2018-02-21
ISSN 2296-7745
2296-7745
Keyword(s) blue carbon
ecosystem services
climate change mitigation
drone surveys
satellite tracking
animal movement
benthic habitat mapping
Summary Seagrasses are hugely valuable to human life, but the global extent of seagrass meadows remains unclear. As evidence of their value, a United Nations program exists (http://data.unep-wcmc.org/datasets/7) to try and assess their distribution and there has been a call from 122 scientists across 28 countries for more work to manage, protect and monitor seagrass meadows (http://www.bbc.com/news/science-environment-37606827). Emerging from the 12th International Seagrass Biology Workshop, held in October 2016, has been the view that grazing marine megafauna may play a useful role in helping to identify previously unknown seagrass habitats. Here we describe this concept, showing how detailed information on the distribution of both dugongs (Dugong dugon) and green sea turtles (Chelonia mydas) obtained, for example, by aerial surveys and satellite tracking, can reveal new information on the location of seagrass meadows. We show examples of how marine megaherbivores have been effective habitat indicators, revealing major, new, deep-water seagrass meadows and offering the potential for more informed estimates of seagrass extent in tropical and sub-tropical regions where current information is often lacking.
Language eng
DOI 10.3389/fmars.2018.00009
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2018, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30108005

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.