| size-selective harvesting alters life histories of a temperate sex-changing fish. | selective mortality, whether caused naturally by predation or through the influence of harvest practices, initiates changes within populations when individuals possessing certain heritable traits have increased fitness. theory predicts that increased mortality rates will select for changes in a number of different life history characteristics. for example, fishing often targets larger individuals and has been shown repeatedly to alter population size structure and growth rates, and the timing of ... | 2007 | 18213967 |