Changes in the fish community of a limed lake near Sudbury, Ontario: effects of chemical neutralization or reduced atmospheric deposition of acids?

In the early 1970's, the fish population in Nelson lake (a moderately acid, metal-polluted lake some 28 km from the metal smelters at Sudbury) were seriously degraded; lake trout (Salvelinus namaycush) were scarce, smallmouth bass (Micropterus dolomieui) extinct, and the littoral zone was domin...

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