Birds and other wildlife species play key roles in seed dispersal and thus in the natural spread of forest, shrub, and other vegetation and their associated beneficial effects of slowing soil erosion.

• 鸟类和其他野生生物在分布播种中扮演了关键的角色，因此在自然的森林、灌木丛及其他植被的生长中，以及在相关减缓土壤侵蚀过程中均十分重要。