long-term change in a behavioural trait: truncated spawning distribution and demography in northeast arctic cod.harvesting may be a potent driver of demographic change and contemporary evolution, which both may have great impacts on animal populations. research has focused on changes in phenotypic traits that are easily quantifiable and for which time series exist, such as size, age, sex, or gonad size, whereas potential changes in behavioural traits have been under-studied. here, we analyse potential drivers of long-term changes in a behavioural trait for the northeast arctic stock of atlantic cod gadus ...201525336028
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