Timing, exotic terranes, angiosperm diversification, and panbiogeography
نویسندگان
چکیده
منابع مشابه
Absolute diversification rates in angiosperm clades.
The extraordinary contemporary species richness and ecological predominance of flowering plants (angiosperms) are even more remarkable when considering the relatively recent onset of their evolutionary diversification. We examine the evolutionary diversification of angiosperms and the observed differential distribution of species in angiosperm clades by estimating the rate of diversification fo...
متن کاملUnderstanding angiosperm diversification using small and large phylogenetic trees.
How will the emerging possibility of inferring ultra-large phylogenies influence our ability to identify shifts in diversification rate? For several large angiosperm clades (Angiospermae, Monocotyledonae, Orchidaceae, Poaceae, Eudicotyledonae, Fabaceae, and Asteraceae), we explore this issue by contrasting two approaches: (1) using small backbone trees with an inferred number of extant species ...
متن کاملMolecular mechanisms underlying origin and diversification of the angiosperm flower.
BACKGROUND Understanding the mode and mechanisms of the evolution of the angiosperm flower is a long-standing and central problem of evolutionary biology and botany. It has essentially remained unsolved, however. In contrast, considerable progress has recently been made in our understanding of the genetic basis of flower development in some extant model species. The knowledge that accumulated t...
متن کاملNested radiations and the pulse of angiosperm diversification: increased diversification rates often follow whole genome duplications.
Our growing understanding of the plant tree of life provides a novel opportunity to uncover the major drivers of angiosperm diversity. Using a time-calibrated phylogeny, we characterized hot and cold spots of lineage diversification across the angiosperm tree of life by modeling evolutionary diversification using stepwise AIC (MEDUSA). We also tested the whole-genome duplication (WGD) radiation...
متن کاملEffects of exotic species on evolutionary diversification.
Exotic species invasions create almost ideal conditions for promoting evolutionary diversification: establishment of allopatric populations in new environmental conditions; altered ecological opportunities for native species; and new opportunities for hybridization between previously allopatric taxa. Here, we review recent studies of the evolutionary consequences of species invasions, revealing...
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ژورنال
عنوان ژورنال: New Zealand Journal of Zoology
سال: 1989
ISSN: 0301-4223,1175-8821
DOI: 10.1080/03014223.1989.10422929