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Invasive signal crayfish (Pacifastacus leniusculus) are considered to be the most prevalent non-native crayfish species in Europe. Where large populations become established they have significant and long-term effects on benthic macroinvertebrate communities. However, much less is known about how community effects associated with crayfish invasion change in the short-term as a function of varying...
Biological invasions expand not only as a continuous front, but also via translocation of small numbers of individuals to sites far from the main distribution. Detecting and eradicating such satellite populations is critical to curtailing the invasion. Cane toads (Rhinella marina) have been spreading through Australia since 1935, and in 2010 were reported in suburban Sydney, 500 km from the main invasion...
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