Connecting Species Invasions with Ecological Theory
نویسندگان
چکیده
منابع مشابه
Ecological and evolutionary insights from species invasions.
Species invasions provide numerous unplanned and frequently, but imperfectly, replicated experiments that can be used to better understand the natural world. Classic studies by Darwin, Grinnell, Elton and others on these species-invasion experiments provided invaluable insights for ecology and evolutionary biology. Recent studies of invasions have resulted in additional insights, six of which w...
متن کاملPredicting the geography of species' invasions via ecological niche modeling.
Species' invasions have long been regarded as enormously complex processes, so complex as to defy predictivity. Phases of this process, however, are emerging as highly predictable: the potential geographic course of an invasion can be anticipated with high precision based on the ecological niche characteristics of a species in its native geographic distributional area. This predictivity depends...
متن کاملInvasions with density-dependent ecological parameters.
The speed and the minimum carrying capacity needed for a successful population expansion into new territory are addressed using a reaction-diffusion model. The model is able to encapsulate a rich collection of ecological behaviours, including the Allee effect, resource depletion due to consumption, dispersal adaptation due to population pressure, biological control agents, and a range of breedi...
متن کاملBeyond the ecological: biological invasions alter natural selection on a native plant species.
Biological invasions can have strong ecological effects on native communities by altering ecosystem functions, species interactions, and community composition. Even though these ecological effects frequently impact the population dynamics and fitness of native species, the evolutionary consequences of biological invasions have received relatively little attention. Here, I show that invasions im...
متن کاملEvolutionary speed of species invasions.
Successful invasion may depend of the capacity of a species to adjust genetically to a spatially varying environment. This research modeled a species invasion by examining the interaction between a quantitative genetic trait and population density. It assumed: (I) a quantitative genetic trait describes the adaptation of an individual to its local ecological conditions; (2) populations far from ...
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ژورنال
عنوان ژورنال: Conservation Biology
سال: 2007
ISSN: 0888-8892,1523-1739
DOI: 10.1111/j.1523-1739.2007.00745.x