Publication

Spatial modelling of plant's gene dispersal and western Alps postglacial recolonization

2003
Posters

Abstract

The goal of this 11th New Phytologist Symposium is to highlight areas of plant speciation where considerable progress has been made or is likely in the near future and to relate these discoveries to the work of early students of plant speciation, particularly Verne Grant. Perhaps no other scientist has contributed more to our understanding of plant speciation or influenced more plant evolutionists, young and old. To honour his many empirical discoveries, conceptual advances, and masterful syntheses of the speciation literature, the symposium is commemoratively named after his most famous book, Plant Speciation.

Official source

https://infoscience.epfl.ch/entities/publication/eb3de2fb-9008-4dd5-99d9-4a786a9d87fb

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2003
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/eb3de2fb-9008-4dd5-99d9-4a786a9d87fb

About this result

Related concepts (20)

Peripatric speciation

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population. Since peripatric speciation resembles allopatric speciation, in that populations are isolated and prevented from exchanging genes, it can often be difficult to distinguish between them. Nevertheless, the primary characteristic of peripatric speciation proposes that one of the populations is much smaller than the other.

Allopatric speciation

Allopatric speciation () – also referred to as geographic speciation, vicariant speciation, or its earlier name the dumbbell model – is a mode of speciation that occurs when biological populations become geographically isolated from each other to an extent that prevents or interferes with gene flow. Various geographic changes can arise such as the movement of continents, and the formation of mountains, islands, bodies of water, or glaciers. Human activity such as agriculture or developments can also change the distribution of species populations.

History of speciation

The scientific study of speciation — how species evolve to become new species — began around the time of Charles Darwin in the middle of the 19th century. Many naturalists at the time recognized the relationship between biogeography (the way species are distributed) and the evolution of species. The 20th century saw the growth of the field of speciation, with major contributors such as Ernst Mayr researching and documenting species' geographic patterns and relationships.