Mutual Feedbacks Maintain Both Genetic and Species Diversity in a Plant Community Export

@article{citeulike:1718998, abstract = {The forces that maintain genetic diversity among individuals and diversity among species are usually studied separately. Nevertheless, diversity at one of these levels may depend on the diversity at the other. We have combined observations of natural populations, quantitative genetics, and field experiments to show that genetic variation in the concentration of an allelopathic secondary compound in Brassica nigra is necessary for the coexistence of B. nigra and its competitor species. In addition, the diversity of competing species was required for the maintenance of genetic variation in the trait within B. nigra. Thus, conservation of species diversity may also necessitate maintenance of the processes that sustain the genetic diversity of each individual species. 10.1126/science.1147455}, author = {Lankau, Richard A. and Strauss, Sharon Y.}, citeulike-article-id = {1718998}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1147455}, citeulike-linkout-1 = {http://www.sciencemag.org/cgi/content/abstract/317/5844/1561}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/17872447}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=17872447}, day = {14}, doi = {10.1126/science.1147455}, journal = {Science}, keywords = {evolution, rock-paper-scissors}, month = {September}, number = {5844}, pages = {1561--1563}, posted-at = {2008-11-28 03:28:47}, priority = {0}, title = {Mutual Feedbacks Maintain Both Genetic and Species Diversity in a Plant Community}, url = {http://dx.doi.org/10.1126/science.1147455}, volume = {317}, year = {2007} }

TY - JOUR ID - citeulike:1718998 L3 - citeulike-article-id:1718998 N2 - The forces that maintain genetic diversity among individuals and diversity among species are usually studied separately. Nevertheless, diversity at one of these levels may depend on the diversity at the other. We have combined observations of natural populations, quantitative genetics, and field experiments to show that genetic variation in the concentration of an allelopathic secondary compound in Brassica nigra is necessary for the coexistence of B. nigra and its competitor species. In addition, the diversity of competing species was required for the maintenance of genetic variation in the trait within B. nigra. Thus, conservation of species diversity may also necessitate maintenance of the processes that sustain the genetic diversity of each individual species. 10.1126/science.1147455 IS - 5844 JF - Science EP - 1563 TI - Mutual Feedbacks Maintain Both Genetic and Species Diversity in a Plant Community VL - 317 SP - 1561 KW - evolution KW - rock-paper-scissors AU - Lankau, Richard AU - Strauss, Sharon PY - 2007/09/14/ UR - http://dx.doi.org/10.1126/science.1147455 ER -