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Karen A. Bjorndal
Researcher at University of Florida
Publications - 216
Citations - 23460
Karen A. Bjorndal is an academic researcher from University of Florida. The author has contributed to research in topics: Population & Sea turtle. The author has an hindex of 66, co-authored 206 publications receiving 21282 citations. Previous affiliations of Karen A. Bjorndal include International Union for Conservation of Nature and Natural Resources.
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Journal ArticleDOI
Historical overfishing and the recent collapse of coastal ecosystems.
Jeremy B. C. Jackson,Jeremy B. C. Jackson,Michael Xavier Kirby,Wolfgang H Berger,Karen A. Bjorndal,Louis W. Botsford,Bruce J. Bourque,Roger Bradbury,Richard G. Cooke,Jon M. Erlandson,James A. Estes,Terry P. Hughes,Susan M. Kidwell,Carina B. Lange,Hunter S. Lenihan,John M. Pandolfi,Charles H. Peterson,Robert S. Steneck,Mia J. Tegner,Robert R. Warner +19 more
TL;DR: Paleoecological, archaeological, and historical data show that time lags of decades to centuries occurred between the onset of overfishing and consequent changes in ecological communities, because unfished species of similar trophic level assumed the ecological roles of over-fished species until they too were overfished or died of epidemic diseases related to overcrowding as mentioned in this paper.
Journal ArticleDOI
Global Trajectories of the Long-Term Decline of Coral Reef Ecosystems
John M. Pandolfi,Roger Bradbury,Enric Sala,Terry P. Hughes,Karen A. Bjorndal,Richard G. Cooke,Deborah A. McArdle,Loren McClenachan,Marah J. H. Newman,Gustavo Paredes,Robert R. Warner,Jeremy B. C. Jackson,Jeremy B. C. Jackson +12 more
TL;DR: Records are compiled, extending back thousands of years, of the status and trends of seven major guilds of carnivores, herbivores, and architectural species from 14 regions that indicate reefs will not survive without immediate protection from human exploitation over large spatial scales.
Journal ArticleDOI
Regional Management Units for Marine Turtles: A Novel Framework for Prioritizing Conservation and Research across Multiple Scales
Bryan P. Wallace,Bryan P. Wallace,Bryan P. Wallace,Andrew DiMatteo,Andrew DiMatteo,Brendan J. Hurley,Brendan J. Hurley,Elena M. Finkbeiner,Elena M. Finkbeiner,Alan B. Bolten,Alan B. Bolten,Milani Chaloupka,Milani Chaloupka,Brian Hutchinson,Brian Hutchinson,F. Alberto Abreu-Grobois,F. Alberto Abreu-Grobois,Diego Amorocho,Karen A. Bjorndal,Karen A. Bjorndal,Jerome Bourjea,Jerome Bourjea,Brian W. Bowen,Raquel Briseño Dueñas,Raquel Briseño Dueñas,Paolo Casale,Paolo Casale,Paolo Casale,B. C. Choudhury,B. C. Choudhury,Alice Vieira da Costa,Alice Vieira da Costa,Peter H. Dutton,Peter H. Dutton,Alejandro Fallabrino,Alexandre Girard,Marc Girondot,Marc Girondot,Matthew H. Godfrey,Matthew H. Godfrey,Mark Hamann,Mark Hamann,Milagros López-Mendilaharsu,Milagros López-Mendilaharsu,Maria A. G. dei Marcovaldi,Jeanne A. Mortimer,Jeanne A. Mortimer,John A. Musick,John A. Musick,Ronel Nel,Ronel Nel,Nicolas J. Pilcher,Jeffrey A. Seminoff,Jeffrey A. Seminoff,Sebastian Troëng,Blair E. Witherington,Blair E. Witherington,Roderic B. Mast,Roderic B. Mast +58 more
TL;DR: The nested envelope models, or Regional Management Units (RMUs), are a solution to the challenge of how to organize marine turtles into units of protection above the level of nesting populations, but below thelevel of species, within regional entities that might be on independent evolutionary trajectories.
Journal ArticleDOI
Global research priorities for sea turtles: informing management and conservation in the 21st century
Mark Hamann,Matthew H. Godfrey,Jeffrey A. Seminoff,Karen E. Arthur,Paulo C. R. Barata,Karen A. Bjorndal,Alan B. Bolten,Annette C. Broderick,Lisa M. Campbell,Carlos Carreras,Paolo Casale,Milani Chaloupka,S.K.F Chan,Coyne,Larry B. Crowder,Carlos E. Diez,Peter H. Dutton,Sheryan P. Epperly,Nancy N. FitzSimmons,Angela Formia,Marc Girondot,Graeme C. Hays,I-Jiunn Cheng,Yakup Kaska,Rebecca L. Lewison,Jeanne A. Mortimer,Wallace J. Nichols,Richard D. Reina,Kartik Shanker,James R. Spotila,Jesús Tomás,Bryan P. Wallace,Thierry M. Work,Judith A. Zbinden,Brendan J. Godley +34 more
TL;DR: In this paper, a list of priority research questions was assembled based on the opinions of 35 sea turtle researchers from 13 nations working in fields related to sea turtle biology and/or conservation.