نتایج جستجو برای: genetic drift
تعداد نتایج: 639292 فیلتر نتایج به سال:
Acipenser stellatus (stellate sturgeon) represents a sturgeon species of great importance for the scientific community and fishermen that has been intensively captured for decades. Besides of overfishing and poaching, their reproduction sites have been destroyed and their natural habitats were affected by pollution. In consequence, wild populations of stellate sturgeon have decreased dramatical...
introduction: wind erosion is one of the most important factors in desert environments. prevailing winds can shift sand dunes and affect their accumulation and morphology. also, wind regime determines the direction of sand dune mobility in different ways. therefore, the wind regime, frequency, direction and velocity are supposed to be the most important factors to form the morphology of sand du...
Anya Plutynski Department of Philosophy University of Utah [email protected] Abstract There are several different ways in which chance affects evolutionary change. That all of these processes are called “random genetic drift” is in part due to common elements across these different processes, but is also a product of historical borrowing of models and language across different level...
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