31. That makes it vulnerable to overfishing , especially by poachers. 32. Fish stocks in EU waters have been vastly diminished by continued overfishing . 33. The environmental activists carried banners urging an end to overfishing . 34. Many fear overfishing has pushed the species to the brink of extinction. 35. Severe environmental issues include deforestation; soil erosion; overgrazing and overfishing . 36. Overfishing has also been a factor in the decline of fish populations.37. Increased demands on wild fisheries by commercial fishing has caused widespread overfishing . 38. Overfishing or excessive harvesting of juveniles can also negatively impact local populations.39. North Pacific albacore stocks are not overfished and are not experiencing overfishing . 40. The most probable reason is overfishing and possibly destruction of spawning grounds.
