Table 1a: Undesirable outcomes of mitten crab
populations
burrows levee instability migrations foul water-intake pipes fishery impacts commercial net fouling and/or
damage parasite host human health hazard (secondary host
for
Oriental lung fluke) competition/predation unknown impact, assumed ecological
disruption
bank undercutting
increased erosion rates
terrestrial nuisance / fright
recreational pest
* may prey on comm/rec important spp.
*may be detrimental to other mammals and
salmonids
Sources: Halat and Resh 1996, Cohen and Carlton 1997, Veldhuizen
and
Hieb 1998.
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1C
created 5/4/98