5 Works

Data from: Spatial separation without territoriality in shark communities

Yannis P. Papastamatiou, Thomas W. Bodey, Alan M. Friedlander, Christopher G. Lowe, Darcy Bradley, Kevin Weng, Victoria Priestley & Jennifer E. Caselle
Spatial separation within predator communities can arise via territoriality but also from competitive interactions between and within species. However, linking competitive interactions to predator distribution patterns is difficult and theoretical models predict different habitat selection patterns dependent on habitat quality and how competition manifests itself. While models generally consider competitors to be either equal in ability, or for one phenotype to have a fixed advantage over the other, few studies consider that an animal may...

Data from: Contrasts in the marine ecosystem of two Macaronesian islands: a comparison between the remote Selvagens Reserve and Madeira Island

Alan M. Friedlander, Enric Ballesteros, Sabrina Clemente, Emanuel J. Gonçalves, Andrew Estep, Paul Rose & Enric Sala
The islands of Madeira and Selvagens are less than 300 km apart but offer a clear contrast between a densely populated and highly developed island (Madeira), and a largely uninhabited and remote archipelago (Selvagens) within Macaronesia in the eastern Atlantic. The Madeira Archipelago has ~260,000 inhabitants and receives over six million visitor days annually. The Selvagens Islands Reserve is one of the oldest nature reserves in Portugal and comprises two islands and several islets, including...

Data from: Marine biodiversity at the end of the world: Cape Horn and Diego Ramírez islands

Alan M. Friedlander, Enric Ballesteros, Tom W. Bell, Jonatha Giddens, Brad Henning, Mathias Hüne, Alex Muñoz, Pelayo Salinas-De-León & Enric Sala
The vast and complex coast of the Magellan Region of extreme southern Chile possesses a diversity of habitats including fjords, deep channels, and extensive kelp forests, with a unique mix of temperate and sub-Antarctic species. The Cape Horn and Diego Ramírez archipelagos are the most southerly locations in the Americas, with the southernmost kelp forests, and some of the least explored places on earth. The giant kelp Macrocystis pyrifera plays a key role in structuring...

Data from: Size, age, and habitat determine effectiveness of Palau's Marine Protected Areas

Alan M. Friedlander, Yimnang Golbuu, Enric Ballesteros, Jennifer E. Caselle, Marine Gouezo, Dawnette Olsudong & Enric Sala
Palau has a rich heritage of conservation that has evolved from the traditional moratoria on fishing, or "bul", to more western Marine Protected Areas (MPAs), while still retaining elements of customary management and tenure. In 2003, the Palau Protected Areas Network (PAN) was created to conserve Palau's unique biodiversity and culture, and is the country's mechanism for achieving the goals of the Micronesia Challenge (MC), an initiative to conserve ?30% of near-shore marine resources within...

Data from: The distribution and numbers of cheetah (Acinonyx jubatus) in southern Africa

Florian J. Weise, Varsha Vijay, Andrew P. Jacobson, Rebecca F. Schoonover, Rosemary J. Groom, Jane Horgan, Derek Keeping, Rebecca Klein, Kelly Marnewick, Glyn Maude, Jorg Melzheimer, Gus Mills, Vincent Van Der Merwe, Esther Van Der Meer, Rudie J. Van Vuuren, Bettina Wacher, Stuart L. Pimm & Bettina Wachter
Assessing the numbers and distribution of threatened species is a central challenge in conservation, often made difficult because the species of concern are rare and elusive. For some predators, this may be compounded by their being sparsely distributed over large areas. Such is the case with the cheetah Acinonyx jubatus. The IUCN Red List process solicits comments, is democratic, transparent, widely-used, and has recently assessed the species. Here, we present additional methods to that process...

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