Can biological invasions induce desertification?
نویسندگان
چکیده
منابع مشابه
Can biological invasions induce desertification?
A common form of land degradation at the desert margins involves the rapid encroachment of woody plants into historic grasslands and the acceleration of soil erosion as a result of the loss of grass cover (Archer, 1989; Schlesinger et al., 1990). The conversion of perennial grasslands into desert scrublands has been documented worldwide (Van Auken, 2000; Ravi, 2008) and has important implicatio...
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It is widely accepted that coral reefs are in decline globally, due to climate change as well as more direct human impacts such as poor water quality and overharvesting [1-3]. Biological invasions are also seen as a major threat [4-6]; however, they may not all be negative. An invasion of Red Sea rabbitfishes is disrupting Mediterranean ecosystems by removing macro-algae - meanwhile, in contras...
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Where do basal bodies come from? The basal body is considered to be a self-replicating organelle. In a process that is not yet completely understood, the daughter basal body is assembled adjacent and orthogonal to the mother organelle. Although this was long speculated to be a templated assembly process, it is likely that the mother basal body acts as the site where components required for asse...
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متن کاملBiological Invasions , Biological Diversity and Trade
The opening of new markets or trade routes has resulted in the deliberate or accidental introduction of new species, while the growth in the volume of trade has increased the frequency of species introductions. We model the connection between landscape heterogeneity, resource extraction, the level of biodiversity, and the level of trade. We show that the invasion risks of trade reduce the socia...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 2009
ISSN: 0028-646X,1469-8137
DOI: 10.1111/j.1469-8137.2009.02736.x