To provide an inter-continental overview of the floristics and biogeography of droughtadapted tropical vegetation formations, we compiled a dataset of inventory plots in South America, Africa, and Asia from savannas (subject to fire), seasonally dry tropical forests (not generally subject to fire), and moist forests (no fire). We analysed floristic similarity across vegetation formations within and between continents. Our dataset strongly suggests that different formations tend to be strongly clustered floristically by continent, but that among continents, superficially similar vegetation formations (e.g. savannas) are floristically highly dissimilar. Neotropical moist forest, savanna and seasonally dry tropical forest are distinct, but elsewhere there is no clear floristic division of savanna and seasonally dry tropical forest, though moist and dry formations are separate. We suggest that because of their propensity to burn, many formations termed "dry forest" in Africa and Asia are best considered as savannas. The floristic differentiation of similar vegetation formations from different continents suggests that cross-continental generalisations of the ecology, biology and conservation of savannas and seasonally dry tropical forests may be difficult.
The development of modern sport is bound up with processes of economic and cultural transformation associated with the global diffusion of capitalist forms of consumption. In this article I draw attention to aspects of the globalization of modern sport that were becoming apparent towards the close of the nineteenth century and then move on to consider the factors that contributed to sport becoming a truly global phenomenon in the course of the twentieth century. Consideration is given to the development of international sport and sports goods companies, the growth in media interest and the increasing significance of sponsorship, consumer culture and sporting celebrities. The global diffusion of modern sport that gathered momentum in the course of the twentieth century involved a number of networked elements, including transnational communications media and commercial corporations for which sport, especially through the iconic figure of the transnational celebrity sport star, constitutes a universally appealing globally networked cultural form. Association with sport events and sporting figures through global broadcasting, sponsorship and endorsement arrangements offers commercial corporations unique access to global consumer culture.
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