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Forest and Bird, Volume 14, Issue 3, 1 August 1982, Unnumbered Page

A forest ismore than trees A forest; large or small, native or exotic, is home to countless varieties of plant and animal life many of which cannot survive outside the forest environment: It protects the ground from the effects of heavy rains which cause soil erosion, provides attractive scenic backdrops in the countryside, and gives wide scope for recreation pursuits Fresh water crayfish or koura (Paranephrops planifrons) Three species of fresh water Stewart Island, and P. setosus crayfish are found in New Zealand. North Canterbury. Like all crustaceans, fresh water These dull green crustaceans, which crayfish moult their shells as they are really lobsters, grow to about grow. A reservoir of lime 13 cm: They are found in small accumulates in their stomachs to streams, lakes, and ponds form the new shell: throughout New Zealand: The female attaches her eggs to hairs on her abdominal legs, and Paranephrops planifrons inhabits the young emerge as replicas of the North Island and the north and their parents: They remain attached west of the South Island, P. to their mother until big enough to zealandicus South Canterbury to fend for themselves. New Zealand Forest Service NZFS4