With intensifying demands for food and biofuels, a critical threat to biodiversity is agricultural expansion into native tropical ecosystems. Tropical agriculture, particularly intensive agriculture, often supports few native organisms, and consequently has been largely overlooked in conservation planning; yet, recent work in the Neotropics demonstrates that tropical agriculture with certain fe...

Tropical peat swamp lands in the Southeast Asia which store tremendous large amount of carbon in their peat layer and abundant biodiversity are now endangered by human activities such as deforestation, forest fires, land development and urbanization. To earlier start a better environmental policy for conservation of nature of the tropical peat swamp area is one of the preferential global issues...

the ecological footprint as an indicator estimates the effect of population and industrial products process on ecosystem by evaluating and calculating the used energy and materials in a city, region or country. dehgolan county is located in kurdistan province between hamadan and sanandaj cities. dehgolan is one of the important and effective counties of kurdistan in agriculture. however, with t...

Due to constant decrease in farmlands, it is important to identify the best lands for sustainable agriculture (productive and profitable agriculture that protects the environment and that is socially equitable). This requirement has resulted in the development of land suitability maps for agriculture by combining a range of factors. Spatial analysis approaches, based on the concepts of the weig...

The world population is projected to increase by nearly 30 percent and reach 9.0 billion by 2050. Increasing competition for global protein is anticipated due to this burgeoning population and from the rising demand for food and protein that is a consequence of economic development and higher income in emerging economies, most notably India and China. It has been estimated that the world’s farm...

Forested wetlands of the Mississippi Alluvial Valley (MAV) are the most productive of birds, including neotropical migratory birds, of all land uses there. Forest land uses are difficult to maintain in economic competition with annual crops. We compare perspectives of a bird biologist, a wildlife manager, a production forester, and an economic pragmatist to the issue: How can we manage bottomla...

clinical observations and gross pathological studies have been performed in field cases in order to determine the effect of cleavers (galium aparine) seeds upon the productive traits and the health of broiler chickens. a negative impact upon productive traits (feedconversion ratio, growth rates and equalization) has been observed. the results of our studies allowed assuming that the health of b...