全球智库信息集成服务系统(G2TT): A New Mechanism for Recurrent Adaptive Radiations.

G2TT

来源类型	Monograph (IIASA Interim Report)
规范类型	报告
	A New Mechanism for Recurrent Adaptive Radiations.
	Ito HC; Dieckmann U
发表日期	2007
出版者	IIASA, Laxenburg, Austria: IR-07-048
出版年	2007
语种	英语
摘要	Models of adaptive radiation through intraspecific competition have attracted mounting attention. Here we show how extending such models in a simple manner, by including a quantitative trait under weak directional selection, naturally leads to rich macroevolutionary patterns involving recurrent adaptive radiations and extinctions. Extensive tests demonstrate the robustness of this finding to a wide range of variations in model assumptions. In particular, recurrent adaptive radiations and extinctions readily unfold both for asexual and for sexual populations. Since the mechanisms driving the investigated processes of endogenous diversification result from generic geometric features of the underlying fitness landscapes - frequency-dependent disruptive selection in one trait and weak directional selection in another - the reported phenomena can be expected to occur in a wide variety of eco-evolutionary settings.
主题	Evolution and Ecology (EEP) ; Postdoctoral Scholars (PDS)
URL	http://pure.iiasa.ac.at/id/eprint/8410/
来源智库	International Institute for Applied Systems Analysis (Austria)
资源类型	智库出版物
条目标识符	http://119.78.100.153/handle/2XGU8XDN/125576
推荐引用方式 GB/T 7714	Ito HC,Dieckmann U. A New Mechanism for Recurrent Adaptive Radiations.. 2007.

条目包含的文件
文件名称/大小	资源类型	版本类型	开放类型	使用许可
IR-07-048.pdf（961KB）	智库出版物		限制开放	CC BY-NC-SA	浏览