, under the influence of Zoroastrianism, Persian kings established the world's first forestry administration and nature … world religions, the article focuses on the Zoroastrian religion of ancient Persia. It is argued, that Zarathustra …

Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia, and the Chinese Academy of Forestry (CAF), has … been involved in tree species selection trials in southern China since 1984. The trials were aimed at identifying fast …-growing species of Eucalyptus, Acacia and Casuarina. The Chinese have been planting Australian tree species for more than 100 years …

Tree planting is widely advocated and applied in urban areas, with large-scale projects underway in cities globally …. Numerous potential benefits are used to justify these planting campaigns. However, reports of poor tree survival raise … different supporting conditions—relating not only to the type and placement of the tree, but also to the broader urban system …

problem on a tree is to determine a set of k tours for the salesmen to serve all customers that are located on a tree …-shaped network, so that each tour starts from and returns to the root of the tree with the maximum total edge weight of the tours …

Agents are connected each other through a tree. Each link of the tree has an associated cost and the total cost of the … tree must be divided among the agents. In this paper we assume that agents are asymmetric (think on countries that use … production and demand of a good that can be sent through the tree. This heterogeneity implies that the links are not equally …