There is a global increase in the recognition of environmental, social and economic values of native vegetation, particularly in terms of both sustainability of agricultural production and maintenance of natural resources. The rapid growth of the human population in Sudan (2.6 % per year) stimulated the evolution of mechanized agriculture in the Gedarif Area from 500 ha in the 1940s to about 2....

1 Burie Agricultural College, P.O. Box Rissneleden 19, Sundbyberg, 17453 Stockholm, Sweden 2 Amhara Regional Agricultural Research Institute (ARARI), P.O. Box 527, Bahir Dar, Ethiopia 3 School of Natural Resources Management and Environmental Science, Haramaya University, P.O. Box 138, Dire Dawa, Ethiopia 4 International Center for Agricultural Research in the Dry Areas (ICARDA), P.O. Box 95076...

Prior Converted Croplands (PCCs) are historic wetlands that were transformed (drained, dredged, filled or leveled) to support production of agricultural crops prior to “Swampbuster” provisions of the 1985 Food Security Act. Our research suggests that PCCs can substantially reduce nitrate export from agricultural watersheds in the region, an ecosystem function shared with natural and restored we...

over the past few decades, several models such as the lp model have been used for managing watersheds and determining optimal cultivation pattern for agricultural planning. management and planning methods are the most important applied tools of management science for optimal allocating resources in order to gain the most profits in the different fields including natural resources, water resourc...

The countries' economy is basically dependent on both human and the natural resources so that social development of each country depends on them directly or indirectly. Nonetheless, some problems including the rapid growth of the population, unsustainable and unplanned exploitation, and lack of public awareness of development and reclamation rules have given an increase to the degradation proce...

Jalil IMANI HARSINI*, Hamid-Reza REZAEI, Saeid NADERI, Hosein VARASTEH MORADI Department of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran Department of Fisheries and Environmental Science, Faculty of Environmental Science, Gorgan University of Agricultural Sciences & Natural Resources, Gorgan, Iran Department of Environmental Science, Faculty of Natu...