That could work, except for the occaisonal instances where the whole population of everything gets wiped out.(except for the oil-based lifeforms) There are less risky ways to improve habitat. Or you could let the population rebound to more historic levels(pre 1960s) and then have a much larger sustainable yeild

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"I remember South Africa in the late 70's, sleeping on the beach at J-bay, smoking ganja with the blacks. On weekends we'd go to the pub in East London to drink beer and fight with the Afrikaners. They liked to fight, I liked to fight. It was a good time"