释义 |
〔bioregion〕An area constituting a natural ecological community with characteristic flora, fauna, and environmental conditions and bounded by natural rather than artificial borders.生物区域:形成自然生态群落的区域,有其特征植物区系、动物区系以及环境条件,通常有非人为的自然边界〔Gray〕American botanist who greatly enlarged and improved the description of North American flora and was the chief American advocate of Charles Darwin's theories.格雷,阿萨:(1810-1888) 美国植物学家,其极大扩展和改善了对北美植物区系的记录,是美国查尔斯·达尔文理论的主要倡导者 |