Heritability of fitness in a wild mammal population Export

@article{citeulike:2610962, abstract = {Classical population genetics theory predicts that selection should deplete heritable genetic variance for fitness. We show here that, consistent with this prediction, there was a negative correlation between the heritability of a trait and its association with fitness in a wild population of red deer () and there was no evidence of significant heritability of total fitness. However, the decline in heritability was caused, at least in part, by increased levels of residual variance in longevity and, hence, in total fitness: in this population, longevity is known to be heavily influenced by environmental factors. Other life history traits that were not associated with longevity, such as average annual breeding success, had higher heritabilities. Coefficients of additive genetic variance differed markedly between traits, but highly skewed measures, such as male breeding success, generally had greater coefficients of variance than morphometric traits. Finally, there were significant maternal effects in a range of traits, particularly for females.}, author = {Kruuk, Loeske E. B. and Clutton-Brock, Tim H. and Slate, Jon and Pemberton, Josephine M. and Brotherstone, Sue and Guinness, Fiona E.}, citeulike-article-id = {2610962}, citeulike-linkout-0 = {http://dx.doi.org/10.1073/pnas.97.2.698}, citeulike-linkout-1 = {http://www.pnas.org/content/97/2/698.abstract}, citeulike-linkout-2 = {http://www.pnas.org/content/97/2/698.full.pdf}, citeulike-linkout-3 = {http://www.pnas.org/cgi/content/abstract/97/2/698}, citeulike-linkout-4 = {http://view.ncbi.nlm.nih.gov/pubmed/10639142}, citeulike-linkout-5 = {http://www.hubmed.org/display.cgi?uids=10639142}, day = {18}, doi = {10.1073/pnas.97.2.698}, journal = {Proceedings of the National Academy of Sciences of the United States of America}, keywords = {cervus, deer, fitness, heritability, wild}, month = {January}, number = {2}, pages = {698--703}, posted-at = {2009-07-15 19:54:41}, priority = {2}, title = {Heritability of fitness in a wild mammal population}, url = {http://dx.doi.org/10.1073/pnas.97.2.698}, volume = {97}, year = {2000} }

TY - JOUR ID - citeulike:2610962 L3 - citeulike-article-id:2610962 N2 - Classical population genetics theory predicts that selection should deplete heritable genetic variance for fitness. We show here that, consistent with this prediction, there was a negative correlation between the heritability of a trait and its association with fitness in a wild population of red deer () and there was no evidence of significant heritability of total fitness. However, the decline in heritability was caused, at least in part, by increased levels of residual variance in longevity and, hence, in total fitness: in this population, longevity is known to be heavily influenced by environmental factors. Other life history traits that were not associated with longevity, such as average annual breeding success, had higher heritabilities. Coefficients of additive genetic variance differed markedly between traits, but highly skewed measures, such as male breeding success, generally had greater coefficients of variance than morphometric traits. Finally, there were significant maternal effects in a range of traits, particularly for females. IS - 2 JF - Proceedings of the National Academy of Sciences of the United States of America EP - 703 TI - Heritability of fitness in a wild mammal population VL - 97 SP - 698 KW - cervus KW - deer KW - fitness KW - heritability KW - wild AU - Kruuk, Loeske AU - Clutton-Brock, Tim AU - Slate, Jon AU - Pemberton, Josephine AU - Brotherstone, Sue AU - Guinness, Fiona PY - 2000/01/18/ UR - http://dx.doi.org/10.1073/pnas.97.2.698 ER -