The fluctuating resource hypothesis explains invasibility, but not exotic advantage following disturbance
نویسندگان
چکیده
منابع مشابه
The invasibility of tropical forests by exotic plants
Current research efforts to understand the relative invasibility of different plant communities have mostly ignored tropical forests. Only a few studies have treated invasive species in tropical forests, and recent worldwide analyses have not provided clear predictions concerning the relative invasibility of tropical forests. In this review, the extent to which exotic species have invaded tropi...
متن کاملThe intermediate disturbance hypothesis applies to tropical forests, but disturbance contributes little to tree diversity.
The intermediate disturbance hypothesis (IDH) predicts local species diversity to be maximal at an intermediate level of disturbance. Developed to explain species maintenance and diversity patterns in species-rich ecosystems such as tropical forests, tests of IDH in tropical forest remain scarce, small-scale and contentious. We use an unprecedented large-scale dataset (2504 one-hectare plots an...
متن کاملFluctuating resources in plant communities: a general theory of invasibility
1 The invasion of habitats by non-native plant and animal species is a global phenomenon with potentially grave consequences for ecological, economic, and social systems. Unfortunately, to date, the study of invasions has been primarily anecdotal and resistant to generalization. 2 Here, we use insights from experiments and from long-term monitoring studies of vegetation to propose a new theory ...
متن کاملTiming is everything: priority effects alter community invasibility after disturbance
Theory suggests that communities should be more open to the establishment of regional species following disturbance because disturbance may make more resources available to dispersers. However, after an initial period of high invasibility, growth of the resident community may lead to the monopolization of local resources and decreased probability of successful colonist establishment. During pre...
متن کاملDisturbance affects short-term facilitation, but not long-term saturation, of exotic plant invasion in New Zealand forest.
We investigate the spread of an exotic herb, Hieracium lepidulum, into a New Zealand Nothofagus forest with the aim of understanding how stand-development of tree populations, propagule pressure and invader persistence, affect invasion across the landscape and within communities. Using data repeatedly collected over 35 years, from 250 locations, we parametrize continuous-time Markov chain model...
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ژورنال
عنوان ژورنال: Ecology
سال: 2018
ISSN: 0012-9658,1939-9170
DOI: 10.1002/ecy.2235