Movement patterns and habitat use of smalltooth sawfish, Pristis pectinata, determined using pop-up satellite archival tags

Carlson, J.K., Gulak, S.J.B., Simpfendorfer, C.A., Grubbs, R.D., Romine, J.G., and Burgess, G.H. (2014) Movement patterns and habitat use of smalltooth sawfish, Pristis pectinata, determined using pop-up satellite archival tags. Aquatic Conservation: marine and freshwater ecosystems , 24 (1). pp. 104-117.

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1. Research on rare and threatened species is often limited by access to sufficient individuals to acquire information needed to design appropriate conservation measures.

2. Using a combination of data from pop-up archival transmitting (PAT) tags across multiple institutional programmes, movements and habitat use of endangered smalltooth sawfish, Pristis pectinata were determined for animals from southern Florida and the Bahamas.

3. All P. pectinata (n=12) generally remained in coastal waters within the region where they were initially tagged, travelling an average of 80.2 km from deployment to pop-up location. The shortest distance moved was 4.6 km and the greatest 279.1 km, averaging 1.4 km day(-1). Seasonal movement rates for females were significantly different with the greatest movements in autumn and winter.

4. Pristis pectinata spent the majority of their time at shallow depths (96% of their time at depths <10 m) and warm water temperatures (22-28 °C).

5. Given sawfish show a degree of site fidelity punctuated by limited migratory movements emphasizes the need for conservation and management of existing coastal habitats throughout the species' range.

Item ID: 32940
Item Type: Article (Research - C1)
ISSN: 1099-0755
Keywords: elasmobranch, conservation, endangered species, recovery
Funders: National Fish and Wildlife Foundation, National Marine Fisheries Service, Florida Fish and Wildlife Commission
Date Deposited: 30 Apr 2014 09:24
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 80%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0704 Fisheries Sciences > 070402 Aquatic Ecosystem Studies and Stock Assessment @ 20%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8302 Fisheries - Wild Caught > 830204 Wild Caught Fin Fish (excl. Tuna) @ 40%
96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960808 Marine Flora, Fauna and Biodiversity @ 30%
96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960507 Ecosystem Assessment and Management of Marine Environments @ 30%
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