Abstract Background Desertification could be considered ultimate consequence of land degradation in an ecosystem.Iran with more than 75% arid and semi-arid areas involves fragile and susceptible ecosystems to desertification.We applied a statistical algorithm including regression trees and random forest techniques for determining main factors affec

Ficus displays many problems fundamental to the distribution of tro-pical plants.As a natural g-enus, one of the most derived of its family, it shows that these problems refer not to the origin of the genus or of its major groups, but to the subsequent course of sectional evolution.Detailed morphological revision must, therefore, precede phytogeogr

Lei Tian,1 Li-Sheng He,1 Bhavesh Soni,2 Hong-Tao Shang11Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, China; 2Maxillofacial Unit, Morriston Hospital, Swansea, Wales, UKAbstract: Osteoradionecrosis (ORN) in the head and 15-eg1053cl neck area is the most devastating long-term complication of

The Sardinian grass snake, Natrix helvetica cetti, is an island-endemic subspecies with a restricted and highly fragmented distribution confined to Sardinia, Italy.Information on its reproductive biology and wild offspring remain scarce in the scientific literature.This present study reports the first recorded data on a clutch of eggs laid by a wil