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The hypothesis that herbicide-induced habitat alteration would reduce snowshoe hare (Lepus americanus) populations in early- to mid-successional (<...

The distribution of aquatic macrophytes and of molluscan intermediate hosts of schistosomes in the following irrigation systems in the Sudan: the Gezi...

A principal goal of protected-area networks is to maintain viable populations of as many species as possible, particularly those that are vulnerable t...

Reintroductions are commonly used for re-establishing self-sustainable populations in formerly inhabited areas. Reintroductions are expensive, and thu...

Many species of wildlife are harvested for sale but there are few time-series analyses of the factors determining the number of animals harvested. Eco...

Animals facing partial habitat loss can try to survive in the remaining habitat or emigrate. Effects on survival and movements should be studied simul...

Streams collect runoff, heat, and sediment from their watersheds, making them highly vulnerable to anthropogenic disturbances such as urbanization and...

Streams affected by acid deposition should now be recovering biologically, but long-term assessments are scarce. Here, we use the experimental catchme...

Conventionally, agent host specificity has been the major concern in the selection of prospective agents for biological control of weeds. However, sub...

Top-down regulation of ecosystems by large herbivores is a topic of active debate between scientists and managers, and a prime example is the interact...