Alien Plants in Urban Landscapes

Alien plant species, or non-native plant species, provide positive benefits, such as improving aesthetics and contributing to local food production. However, these species can also have negative effects on urban landscape by producing allergy-inducing pollen and taking over habitat from native species. In order to effectively manage urban landscapes, more research is needed on the positive and negative impacts of alien plant species.

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Thirsty trees are more susceptible to damaging beetle infestation

Summer, winter, and multi-year drought events initiate outbreaks of the damaging spruce beetle. Droughts suppress the ability of trees to produce chemicals to defend themselves against the fatal bugs.

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