this study is a survey research. the population of the study was all specialists who have enough data about ways of sustainability rice cultivars that they were identified and studied through non-probability sampling (purposeful and snowball). to determine the validity of the questionnaire, face and content validity was used, and, to assess the reliability, inconsistency coefficient was used. i...

AIM To investigate the cancer risk among residents of Rhineland-Palatinate winegrowing communities in an ecological study. METHODS On the basis of the Rhineland-Palatinate cancer-registry, we calculated age-adjusted incidence rate ratios for communities with a medium area under wine cultivation (>5 to 20 percent) and a large area under wine cultivation (>20 percent) in comparison with communi...

agricultural sustainability refers to the ability of a farm to produce food indefinitely, without causing irreversible damage to ecosystem health. the main objective of this study was to formulate a structural model to analyze the effects of ecological, social, and economic factors on sustainable agricultural development in qazvin province of iran. to achieve this aim, a structural model with 4...

At present, in China, the research about the urban sustainability construction is still in the exploratory stage. The ecological problems of the coastal area are more sensitive and complicated. In the background of global warming with serious ecological damage, this paper deeply researches on the main characteristics of urban sustainability and measures how to build urban sustainability. Throug...

agricultural sustainability refers to the ability of a cropping system to produce, without causing irreversible damage tothe ecosystem. there is an increasing need to view cropping systems and identify management practices in a holisticindicator-based impact assessment. the main objective of this study was to compare and rank the cropping systems of themarvdasht plain in fars province; in order...

Studies of the history and current status of forest resources in Northeast China have become important in discussions of sustainable forest management in the region. Prior to 1998, excessive logging and neglected cultivation led to a series of problems that left exploitable forest reserves in the region almost exhausted. A substantial decrease in the area of natural forests was accompanied by s...

farmers' attitudes play an important role in their towards sustainable agriculture behavior. factors affecting men and women cotton producers’ attitude towards sustainable agriculture were investigated in the course of this worke. the research was a survey one using stratified random sampling, conducted in esfahan province. the subjects were selected from 179 cotton producing families (357...

Ecological migration policy has been proposed and implemented as a means for depopulating ecological restoration areas in the arid Northwest China. Migration intention is critical to the effectiveness of ecological migration policy. However, studies on migration intention in relation to ecological migration policy in China remain scant. Thus this paper aims to investigate the rural residents’ m...