这些地区性的生物多样性增加 — — 欧洲国家和美国野生植物种类数量增加了20 % ， 夏威夷群岛和其他太平洋岛屿植物物种数量增加了一倍 — — 应该被视为是积极的发展趋势。
These regional increases – including a 20% rise in the number of plant species growing wild in European countries and the United States, and a doubling of plant species in the Hawaiian Archipelago and other Pacific islands – could be interpreted as a positive development.