Sustainable management of terrestrial hunting requires managers to set quotas restricting offtake. This often takes place in the absence of reliable information on the population size, and as a consequence, quotas are set in an arbitrary fashion, leading to population decline and revenue loss. In this investigation, we show how an indirect measure of abundance can be used to set quotas in a sus...

Energy saving mechanisms in nature allow following organisms to expend less energy than leaders. Queues, or ordered rows of individuals, may form when organisms exploit the available energy saving mechanism while travelling at near-maximal sustainable metabolic capacities; compact clusters form when group members travel well below maximal sustainable metabolic capacities. The group size range, ...

sustainable purchasing and consuming clothes is a massive trend worldwide due to the great amount of production, its complications and also the active role of women; and is specifically so among young population of iran, though the country is moving towards sustainable development. this article aims to investigate the degree of awareness of the notion of sustainability and its impact on the pur...