Silver carp can greatly reduce water weeds. In Lake Ōrākai, Hawke’s Bay, there is a marked difference where silver carp have kept the lake clear of phytoplankton – to the left of the barrier.
Te whakamahi i tēnei tūemi
NIWA – National Institute of Water and Atmospheric Research
Reference: A. D. Carruthers, Effect of silver carp on blue-green algal blooms in Lake Orakai. Napier: N. Z. Ministry of Agriculture and Fisheries, 1986, p. 19
by A. D. Carruthers
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