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|Title:||Discovering where bluefin tuna, Thunnus thynnus, might go: using environmental and fishery data to map potential tuna habitat in the eastern Mediterranean Sea|
|Authors:||DAMALAS DIMITRIOS; MEGALOFONOU Persefoni|
|Citation:||SCIENTIA MARINA vol. 76 no. 4 p. 691-704|
|Publisher:||INST CIENCIAS MAR BARCELONA|
|Type:||Articles in periodicals and books|
|Abstract:||Based on a dataset derived from commercial fisheries in the eastern Mediterranean Sea in 1998-2005, we applied generalized additive models (GAMs) to investigate the relative influence of a range of environmental factors on catch rates of Atlantic bluefin tuna (Thunnus thynnus Linnaeus, 1785). GAM analyses were conducted by separately modelling (1) the probability of making a catch (encountering a school), and (2) the positive catch rates (school size). Results suggested intra-annual variations in tuna distribution and revealed interesting associations with some environmental features, lunar periodicity being the most distinctive one... (+++)|
|JRC Directorate:||Space, Security and Migration|
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