I don't believe it is legal to own and operate a "fish camp" without a guiding license and rod days therefore it is this type of activity that is threatening your access. This type of activity is known to occur already and is hard to police due to the grey areas it encompasses. These fish camps are most likely advertising overseas and if they are taking $ or goods in exchange for fishing opportunities then they are most likely illegal.

Who do you have to blame? The guys who feel they can outsmart the system and run roughshod over resident anglers. I hope you do your part to report any suspicious activities to the appropriate people. Illegal guides and guiding are just as bad as poachers and should be treated the same.
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The locals are always watching