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Parthenogenesis in an elasmobranch in the presence of conspecific males
Parthenogenesis in an elasmobranch in the presence of conspecific males K.A. Feldheim, J. Dubach, L. Watson ABSTRACT: Parthenogenesis has been observed in several elasmobranch species, primarily in public aquaria. The majority of cases of parthenogenesis have occurred either when females were held without males or once a male was removed from a female’s habitat. Here
Seventy years of tunas, billfishes, and sharks as sentinels of global ocean health
Seventy years of tunas, billfishes, and sharks as sentinels of global ocean health Maria José Juan-Jordá, Hilario Murua, Haritz Arrizabalaga, Gorka Merino, Nathan Pacoureau, Nicholas K. Dulvy ABSTRACT: Fishing activity is closely monitored to an increasing degree, but its effects on biodiversity have not received such attention. Using iconic and well-studied fish species such as
Multi-year effects of wildlife tourism on shark residency and implications for management
Multi-year effects of wildlife tourism on shark residency and implications for management Yuri Niella, Vinay Udyawer, Michael Drew, Brett Simes, Hugh Pederson, Charlie Huveneers ABSTRACT: Wildlife tourism can assist species conservation through community-involvement and education, while contributing to regional economies. In the last decade, shark diving has become increasingly popular among wildlife tourists worldwide, including
‘A human values issue’: Actors, arguments, and regulatory change in the Florida land-based shark fishery
‘A human values issue’: Actors, arguments, and regulatory change in the Florida land-based shark fishery Julia Wester, Dylann Turffs, David Shiffman, Catherine Macdonald ABSTRACT: Aquatic Conservation: Marine and Freshwater Ecosystems, 1– 17. DOI: 10.1002/aqc.3896 SOURCE