When you actually read this thesis CK, you find that the author also states: "However, preliminary trends in the field survey data indicate that there may be population differences occurring in spot prawns inhabiting areas near treating salmon farms that are not observed in reference populations. These results signify the inherent pitfalls in current management policy that base decisions on short-term acute toxicity laboratory exposure results that may not be indicative of the response of marine populations near active salmon farms to long-term chronic EMB exposure.".Here's a study done on prawns and SLICE: https://dspace.library.uvic.ca:8443/bitstream/handle/1828/4530/Park_Ashley_MSc_2013.pdf?sequence=1
Some interesting stuff in there, although residue was "measurable" under the farm, the prawns basically had to be force-fed it in order to attain enough of the substance to disrupt any of their systems.
Quite a different implication than your assertions...
In addition, they also state: "immediately following SLICE® treatment at farms sampled in Knight Inlet, the catch abundance was depressed and a smaller size distribution of prawns was observed compared to sampling two months later at the same sites, a trend not observed at reference sites."
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