Oceanography Study Guide Sample Pages

In time secondary vegetation grows due to increased nutrients in the sand. As the shrubs grow and die and as more humus develops in the newly established soil, larger trees can start growing. Insects, spiders, centipedes now arrive on the wings of birds or on driftwood. As these die, more is added to the humus. North West Island Beach Photo Bob Moffatt Page 589 2018 TRIAL EDITION Copyright Wet Paper Publications Sample page