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Horizontal and vertical movements of Caribbean reef sharks
Published on 15. February 2017 Horizontal and vertical movements of Caribbean reef sharks (Carcharhinus perezi): conservation implications of limited migration in a marine sanctuary Oliver N. Shipley, Lucy A. Howey, Emily R. Tolentino, Lance K. B. Jordan, Jonathan L. W. Ruppert, Edward J. Brooks ABSTRACT: Despite the ecological and economic importance of the Caribbean reef
South Africa: Draft Policy on White Shark Cage Diving
NATIONAL DEPARTMENT OF ENVIRONMENTAL AFFAIRS MARINE LIVING RESOURCES ACT, 1998 (ACT NO. 18 OF 1998) DRAFT POLICY ON WHITE SHARK CAGE DIVING 17. February 2017 PDF-DOWNLOAD
Long-term satellite tracking reveals variable seasonal migration strategies of basking sharks in the north-east Atlantic
Published on 20. February 2017 Long-term satellite tracking reveals variable seasonal migration strategies of basking sharks in the north-east Atlantic P. D. Doherty, J. M. Baxter, F. R. Gell, B. J. Godley, R. T. Graham, G. Hall, J. Hall, L. A. Hawkes, S. M. Henderson, L. Johnson, C. Speedie, M. J. Witt ABSTRACT: Animal migration
Resetting predator baselines in coral reef ecosystems
Published on 21. February 2017 Resetting predator baselines in coral reef ecosystems Darcy Bradley, Eric Conklin, Yannis P. Papastamatiou, Douglas J. McCauley, Kydd Pollock, Amanda Pollock, Bruce E. Kendall, Steven D. Gaines, Jennifer E. Caselle ABSTRACT: What did coral reef ecosystems look like before human impacts became pervasive? Early efforts to reconstruct baselines resulted in
Towards sustainable fishery management for skates in South America
Published on 16. February 2017 Towards sustainable fishery management for skates in South America: The genetic population structure of Zearaja chilensis and Dipturus trachyderma (Chondrichthyes, Rajiformes) in the south-east Pacific Ocean Carolina Vargas-Caro, Carlos Bustamante, Michael B. Bennett, Jennifer R. Ovenden ABSTRACT: The longnose skates (Zearaja chilensis and Dipturus trachyderma) are the main component of
Semi-automated software for dorsal fin photographic identification of marine species: Carcharodon carcharias
Published on 21. January 2017 Semi-automated software for dorsal fin photographic identification of marine species: application to Carcharodon carcharias S. Andreotti, P. Holtzhausen, M. Rutzen, M. Meÿer, S. van der Walt, B. Herbst, C. A. Matthee ABSTRACT: When dealing with large marine species, individual photographic identification plays a very important part in capture–mark–recapture studies. The
The contemporary economic value of elasmobranchs in The Bahamas
Published on 30. January 2017 The contemporary economic value of elasmobranchs in The Bahamas: Reaping the rewards of 25 years of stewardship and conservation Andrea R. Haas, Tony Fedler, Edward J. Brooks ABSTRACT: Elasmobranch populations in The Bahamas offer a unique juxtaposition to the widespread decline of many species around the world, largely due to
Bright spots of sustainable shark fishing
Published on 06. February 2017 Bright spots of sustainable shark fishing Colin A. Simpfendorfer, Nicholas K. Dulvy SUMMARY: Sharks, rays and chimeras (class Chondrichthyes; herein ‘sharks’) today face possibly the largest crisis of their 420 million year history. Tens of millions of sharks are caught and traded internationally each year, many populations are overfished to
Assessing the effectiveness of a large marine protected area for reef shark conservation
Published online 31 January 2017 Assessing the effectiveness of a large marine protected area for reef shark conservation Timothy D. White, Aaron B. Carlisle, David A. Kroodsma, Barbara A. Block, Renato Casagrandi, Giulio A. De Leo, Marino Gatto, Fiorenza Micheli, Douglas J. McCauley ABSTRACT: Large marine protected areas (MPAs) have recently been established throughout the
Ireland Red List No. 11: Cartilaginous fish
Clarke, M., Farrell, E.D., Roche, W., Murray, T.E., Foster, S. and Marnell, F. (2016) Ireland Red List No. 11: Cartilaginous fish National Parks and Wildlife Service, Department of Arts, Heritage, Regional, Rural and Gaeltacht Affairs. Dublin, Ireland. PDF – DOWNLOAD
Improving the Conservation of Mediterranean Chondrichthyans
Published on 20 January 2017 Improving the Conservation of Mediterranean Chondrichthyans: The ELASMOMED DNA Barcode Reference Library Alessia Cariani, Silvia Messinetti, Alice Ferrari, Marco Arculeo, Juan J. Bonello, Leanne Bonnici, Rita Cannas, Pierluigi Carbonara, Alessandro Cau, Charis Charilaou, Najib El Ouamari, Fabio Fiorentino, Maria Cristina Follesa, Germana Garofalo, Daniel Golani, Ilaria Guarniero, Robert Hanner, Farid
Philopatry and Regional Connectivity of the Great Hammerhead Shark in the U.S. and Bahamas
Published on 20 January 2017 Philopatry and Regional Connectivity of the Great Hammerhead Shark, Sphyrna mokarran in the U.S. and Bahamas Tristan L. Guttridge, Maurits P. M. Van Zinnicq Bergmann, Chris Bolte, Lucy A. Howey, Jean S. Finger, Steven T. Kessel, Jill L. Brooks, William Winram, Mark E. Bond, Lance K. B. Jordan, Rachael C.
Bioaccumulation and biomagnification of mercury and methylmercury in four sympatric coastal sharks
Published online on 20 January 2017 Bioaccumulation and biomagnification of mercury and methylmercury in four sympatric coastal sharks in a protected subtropical lagoon Adam G. Matulik, David W. Kerstetter, Neil Hammerschlag, Timothy Divoll, Chad R. Hammerschmidt, David C. Evers ABSTRACT: Mercury bioaccumulation is frequently observed in marine ecosystems, often with stronger effects at higher trophic
Switch from sexual to parthenogenetic reproduction in a zebra shark
Published on 16 January 2017 Switch from sexual to parthenogenetic reproduction in a zebra shark Christine L. Dudgeon, Laura Coulton, Ren Bone, Jennifer R. Ovenden, Severine Thomas ABSTRACT: Parthenogenesis is a natural form of asexual reproduction in which embryos develop in the absence of fertilisation. Most commonly found in plants and invertebrate organisms, an increasing
Plastic debris straps on threatened blue shark
Published online on 12 January 2017 Plastic debris straps on threatened blue shark Prionace glauca Ana I. Colmenero, Claudio Barría, Elisabetta Broglio, Salvador García-Barcelona ABSTRACT: Juveniles of blue shark Prionace glauca caught in pelagic longlines targeting tuna and swordfish in the Atlantic Ocean and the Mediterranean Sea were found entangled with plastic straps around their