Results 101 to 110 of about 20,191 (145)

Dietary Differentiation Between Sympatric Ecotypes of Astatotilapia calliptera From Lake Masoko (Kisiba), Tanzania Revealed by Metabarcoding

Environmental DNA
Sympatric speciation is defined as the formation of new species in the absence of geographic barriers, but the genomic and life history strategy mechanisms underpinning sympatric speciation are still far from clear.
Kirthana Pillay, Simon Creer, Alexandra M. Tyers, Enrica Gargiulo, William Perry, Georgina Brennan, Deborah A. Dawson, Kathryn H. Maher, Gavin J. Horsburgh, Msafiri Andrew, George Turner   +10 more
doaj   +1 more source

The Effects of Above- and Belowground Mutualisms on Orchid Speciation and Coexistence [PDF]

, 2011
Barraclough, TG, Bidartondo, MI, Combs, JK, Gebauer, G, Pauw, A, Savolainen, V, Stofberg, J, Waterman, RJ   +7 more
core   +1 more source

Evidence for sympatric speciation? (Reply) [PDF]

Nature, 2006
Marta Barluenga, Kai N. Stölting, Walter Salzburger, Moritz Muschick, Axel Meyer   +4 more
openaire   +1 more source

Sympatric plant speciation in islands? [PDF]

Nature, 2006
openaire   +1 more source

Molecular analysis of adaptive divergence: the impact of ecology on speciation in salamanders [PDF]

, 2003
Steinfartz, Sebastian
core  

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The Maynard Smith model of sympatric speciation

Journal of Theoretical Biology, 2006
The paper entitled "Sympatric speciation," which was published by John Maynard Smith in 1966, initiated the development of mathematical models aiming to identify the conditions for sympatric speciation. A part of that paper was devoted to a specific two-locus, two-allele model of sympatric speciation in a population occupying a two-niche system ...
Sergey Gavrilets
exaly   +3 more sources

Sympatric speciation by sexual selection

Nature, 1999
There is increasing evidence for the process of sympatric speciation, in which reproductive isolation of species occurs without physical isolation. Theoretical models have focused on disruptive natural selection as the crucial pressure for splitting a species.
M, Higashi, G, Takimoto, N, Yamamura
openaire   +2 more sources

WAITING FOR SYMPATRIC SPECIATION

Evolution, 2004
While it now appears likely that sympatric speciation is possible, its generality remains contentious. If it really is rare, then most natural populations must not fit the assumptions of sympatric speciation theory. A better understanding of these assumptions may help identify when sympatric speciation is or is not likely.
openaire   +2 more sources

Evolution, Sympatric Speciation, and Risk Aversion

2020 IEEE Symposium Series on Computational Intelligence (SSCI), 2020
Speciation is a crucial topic in the biological sciences. Knowledge of this process helps explain the diversity of life. In the computational realm, considerable efforts have been made to understand mechanisms and conditions that lead to speciation. Speciation has profound implications for artificial life, evolutionary computation, and evolutionary ...
Oluwatobi I. Ajagbe, Dean Frederick Hougen   +1 more
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A new approach to sympatric speciation

Trends in Ecology & Evolution, 1987
Sympatric speciation has always been a controversial issue. Recently, the debate has centred around the possibility that host race formation in phytophagous insects occurs as a first stage in this process. Now a new approach to host race formation - examining the population genetics of performance on alternative hosts - is challenging a major ...
openaire   +2 more sources