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Spatial ecology and...
Spatial ecology and conservation of Manta birostris in the Indo-Pacific
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- Stewart, Joshua D. (författare)
- University of California, USA ; The Manta Trust, UK
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- Beale, Calvin S. (författare)
- Misool Manta Project, Indonesia
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- Fernando, Daniel (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),The Manta Trust, UK ; Blue Resources, Sri Lanka
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- Sianipar, Abraham B. (författare)
- Conservation International, Indonesia
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- Burton, Ronald S. (författare)
- University of California, USA
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- Semmens, Brice X. (författare)
- University of California, USA
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- Aburto-Oropeza, Octavio (författare)
- University of California, USA
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: Biological Conservation. - : Elsevier BV. - 0006-3207 .- 1873-2917. ; 200, s. 178-183
- Relaterad länk:
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http://manuscript.el...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Information on the movements and population connectivity of the oceanic manta ray (Manta birostris) is scarce. The species has been anecdotally classified as a highly migratory species based on the pelagic habitats it often occupies, and migratory behavior exhibited by similar species. As a result, in the absence of ecological data, population declines in oceanic manta have been addressed primarily with international-scale management and conservation efforts. Using a combination of satellite telemetry, stable isotope and genetic analyses we demonstrate that, contrary to previous assumptions, the species appears to exhibit restricted movements and fine-scale population structure. M. birostris tagged at four sites in the Indo-Pacific exhibited no long-range migratory movements and had non-overlapping geographic ranges. Using genetic and isotopic analysis, we demonstrate that the observed movements and population structure persist on multi-year and generational time scales. These data provide the first insights into the long-term movements and population structure of oceanic manta rays, and suggest that bottom-up, local or regional approaches to managing oceanic mantas could prove more effective than existing, international-scale management strategies. This case study highlights the importance of matching the scales at which management and relevant ecological processes occur to facilitate the effective conservation of threatened species.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
Nyckelord
- DdRAD sequencing
- Marine conservation
- Mobulid
- Pop-off satellite archival tagging
- Stable isotope analysis
- Ekologi
- Ecology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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