(1) Habitat destruction and overfishing have also taken their toll.

(2) The salmon runs, though much reduced by overfishing in the spawning rivers, continue to support the leading fishery.

(3) As coastal fisheries have become less profitable through overfishing, more fishermen have taken to killing small cetaceans to supplement their incomes.

(4) Mr Izmailov cited pervasive pollution, bad weather, rampant poaching and over-fishing as the reasons for the declining catch.

(5) But no one doubts that overfishing is the primary cause of the fish's decline.

(6) The overfishing of herring and other fish has caused problems for bird species dependent on these stocks, particularly in wintertime.

(7) Overfishing alone is responsible for the sorry state of the pelagic fish populations.

(8) Pollution and overfishing have reduced the population of coastal fish.

(9) But the plunder is just part of the over-fishing that dates back to the 1960s, when North Sea herring were annihilated.

(10) Overfishing by foreign vessels and toxic waste dumping were also major causes for concern at their annual summit.

(11) The measures are designed to halt the sharp decline in shark populations caused by overfishing in recent years.

(12) He rejected claims by environmentalists that drift nets led to overfishing.

(13) The decrease in the number of salmon has come about through commercial overfishing.

(14) But humans can help too[http://sentencedict.com], if we just learn to overfish the lionfish.