Results 81 to 90 of about 130,925 (266)
Shuitu baochi yanjiu, 2010 In this paper,a system coordination degree model was employed to perform an evaluation on intensive use of urban land based on land use data of Changsha,Zhuzhou and Xiangtan Urban Agglomeration from 1997to 2008.Spatial differences in urban land were ...
SHEN Yan
doaj
LandMaintaining a balance between urban land (UL) expansion and urban population (UP) growth is one of the goals of sustainable development, and maintaining this balance requires more theoretical exploration and regional experience.
Wenyi Qiao, Shanggang Yin, Xianjin Huang
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Farm labor scarcity and its uneven impacts on crop producers in the United States
American Journal of Agricultural Economics, EarlyView.Abstract This study is the first to evaluate the impacts of farm labor scarcity on producers in the United States across different crop production systems. Between 2002 and 2017, we disentangle the effects of labor scarcity from the impacts of rising commodity demand, technological change, and supply of other inputs on labor market outcomes.
Srabashi Ray +4 more
wiley +1 more source
Spatio-temporal Analysis of Urban Land Intensive Utilization Degree in He’nan Province
Shuitu baochi yanjiu, 2010 The purpose of the paper is to analyze the spatio-temporal evolution patterns and rules of urban land intensive utilization degree in He’nan province.Methods of fuzzy matter-element model and K average value cluster analysis were employed.The results ...
FAN Hui1, ZHOU Jin2
doaj
ISPRS International Journal of Geo-Information, 2018 Clustering methods are popular tools for pattern recognition in spatial databases. Existing clustering methods have mainly focused on the matching and clustering of complex trajectories.
Biao He, Yan Zhang, Yu Chen, Zhihui Gu
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Improving access to new technologies: An experiment with Kenyan input sellers
American Journal of Agricultural Economics, EarlyView.Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki +6 more
wiley +1 more source
Urbanization in Dynamics: The Influence of Land Quota Trading on Land and Population Urbanization
LandEstablishing a unified urban–rural construction land market, facilitating factors flow within urban and rural areas, and promoting people-centered new urbanization are important strategies for China to achieve high-quality development in the new era. The land quota trading (LQT) system in Chongqing is an essential policy practice.
Tian Tian +3 more
openaire +2 more sources
Firm turnover under asymmetric information: Tanzania's agro‐dealer sector
American Journal of Agricultural Economics, EarlyView.Abstract We study firm turnover (i.e., entry and exit) and its consumer implications in a market characterized by asymmetric information. Using a three‐round census of agro‐dealers in Tanzania's Morogoro Region, we document annual firm entry and exit rates of 33% and 17%, respectively.
Alix Naugler +3 more
wiley +1 more source
American Journal of Botany, EarlyView.Abstract Premise Desert plant assemblages in southern California provide an opportunity to link patterns of community structure with climate‐driven vulnerability in a rapidly changing environment. California sustains an exceptionally diverse flora of approximately 4300 plant species, with 31% identified as endemic.
Hector Zumbado‐Ulate +4 more
wiley +1 more source
LandRapid socioeconomic development has continuously driven urban land expansion at the expense of other land types, leading to significant changes in land use and environment.
Hailan Wu +5 more
doaj +1 more source