It says one of Russia's biggest logging firms, Primorlesprom, is preparing to build a road through the Sikhote-Alin, one of the last untouched forests.

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But a sharp rise in the islands' population, and the arrival of logging and plantation firms, have made the situation much worse in recent decades.

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The research identified about 10 different monitoring firms logging content.

BBC: BitTorrent study finds most file-sharers are monitored

The result is the stuff of dreams not only for aggressive plaintiff lawyers, but for the large established firms as well, most of which are already logging many billable hours creating defences.

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