Microevolution of quantitative traits in the wild can be predicted from a knowledge of selection and genetic parameters. Testing the predictions requires measurement of the offspring of the selected group, a requirement that is difficult to meet. We present the results of a study of Darwin's finches on the Galápagos island of Daphne Major where this requirement is met. The study demonstrates mi...

Jelen tanulmány a Vértesalja homoki bükköseinek társulási viszonyait mutatja be 25 cönológiai felvétel alapján. Faji összetételére Fagetalia elemek magas aránya jellemző. Különösen értékes fajai Corydalis intermedia, Daphne laureola és Scutellaria columnae. A felvételek hagyományos sokváltozós statisztikai elemzések alapján elkülönülnek Belső-Somogy bükköseitől (Leucojo verno-Fagetum), Dunántúl...

physiological factors have effects on most forest parameters such as forest classification so that understanding knowledge about this subject is important to manage forests. the forests of sorkhake-sanjabi village with area of 1645 ha located in eslam abad city, kermanshah province, iran were selected. 23 sample plots with rectangular shape (40m*50m) were selected and the species, origin of spe...