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Alien Species and Insect Conservation (Hardcover, 1st ed. 2016)
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Alien Species and Insect Conservation (Hardcover, 1st ed. 2016)
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This overview of the roles of alien species in insect conservation
brings together information, evidence and examples from many parts
of the world to illustrate their impacts (often severe, but in many
cases poorly understood and unpredictable) as one of the primary
drivers of species declines, ecological changes and biotic
homogenisation. Both accidental and deliberate movements of species
are involved, with alien invasive plants and insects the major
groups of concern for their influences on native insects and their
environments. Risk assessments, stimulated largely through fears of
non-target impacts of classical biological control agents
introduced for pest management, have provided valuable lessons for
wider conservation biology. They emphasise the needs for effective
biosecurity, risk avoidance and minimisation, and evaluation and
management of alien invasive species as both major components of
many insect species conservation programmes and harbingers of
change in invaded communities. The spread of highly adaptable
ecological generalist invasive species, which are commonly
difficult to detect or monitor, can be linked to declines and
losses of numerous localised ecologically specialised insects and
disruptions to intricate ecological interactions and functions, and
create novel interactions with far-reaching consequences for the
receiving environments. Understanding invasion processes and
predicting impacts of alien species on susceptible native insects
is an important theme in practical insect conservation.
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