THE EFFECTS OF FOREST MANAGEMENT ACTIVITIES ON GENETIC DIVERSITY OF FOREST TREES

Genetic diversity helps to survive forest trees in several environmental changes and disease conditions.Different forest management activities such as harvesting, thinning, Urn Necklace natural or artificial regeneration, seedlings or coppice forests, fragmentation, and overexploitation have a tremendous influence on the genetic diversity and popul

The first efficacy trials--named STEP--of a T cell vaccine against HIV/AIDS began in 2004.The unprecedented structure of these trials raised new modeling and statistical challenges.Is it plausible that memory T cells, as opposed to antibodies, can actually prevent infection? If they fail at prevention, to what extent can they ameliorate disease? An