Abstract In the face of human land use and climate dynamics, it underwater treasures sunken medallion is essential to know the key drivers of plant species diversity in montane regions.However, the relative roles of climate and ungulates in alpine ecosystem change is an open question.Neither observational data nor traditional palaeoecological data

Background subtraction is one of the most fundamental and challenging tasks in computer vision.Many background subtraction 7gm pravana algorithms work well under the assumption that the backgrounds are static over short time periods but degrade dramatically in dynamic scenes, such as swaying trees, rippling water, and waving curtains.In this paper,

With the establishment and rapid development of the national carbon emission trading market, new energy system participates in the carbon emission trading market.Analysing the potentiality of virtual power plant trading bilstein shocks jeep xj in carbon emission trading market, this paper designs a two-stage joint trading mechanism for electricity

This paper presents a dynamic model that can predict the dynamics of migration flows between source countries and host regions, as well as the dynamics of wage levels there.The model is constructed within the framework of neoclassical economics and human capital theory in continuous time.Thanks to liberalization of migration policy in seattle seaha