The ecological footprint model was used in this paper to evaluate the sustainable development status of Baotou City by calculating footprint, carrying capacity and deficit/surplus 2018. results showed that: (1) In 2018, per capita 1.11506 ha, 0.8371 ha. There is 0.2780 ha deficit, which a fragile unsustainable state; (2) demand for farmland, grassland fossil energy land large, but limited; (3) ...

In recent years, environmental protection is attached great importance in our country. Beginning with San Ya's pilot December 2015, country has spread out a series of works about “Urban dual maintenance” by President Xi “ecological restoration and urban renovation” as the core. After that February 2018, “Park City” been promoted first Chengdu, lot cities followed， which chieved good results sus...

As an effective means to coordinate cost–benefit allocation of ecological protection between upstream and downstream cities, compensation is often used improve collaborative basin-wide freshwater resources management. Yet, due the complex relationships ecosystem services, calculating eco-compensation not easy task. We spillover (the amount local services in region thus flows areas) emergy analy...

This Article identifies and estimates the ecological dynamics of increasing spatial and social concentration of incarcerated individuals in urban neighborhoods using data from New York City between 1985 and 1997. It argues that this dynamic becomes self-sustaining and reinforcing over time. In conclusion, the Article discusses how high incarceration rates impact the relationships between citize...

The urban ecosystem is a complex system hat are compounded of environment –economic-social ,the factors of urban ecosystem affect the decision of the floating population to chose city .In this paper ,we according to the urban ecosystem to design the questionnaire ,and study the weights of the factors that influence the decision by AHP ,and find that economy is most important which is 0.6806, th...

Department of Chemistry, Maseno University, P.O. Box 333, 40105 Maseno, Kenya. Department of Chemical Sciences and Technology, Kenya Polytechnic University College, P.O. Box 52428-00200, City Square, Nairobi, Kenya. The Peregrine Fund, 5668 West Flying Hawk Lane, Boise Idaho, 83709, USA. Ornithology Section, Department of Zoology, National Museums of Kenya, P.O. Box 40658, Nairobi, Kenya. Helmh...