一些像羊肉和菠菜之类的食物，被视为“热性”食物，其它如大白菜及小红萝卜等，则被视为“凉性”食物。
Some foods, such as goat meat and spinach, are seen as "hot", while others, such as Chinese cabbage and radish, are seen as "cold".
实现生物多样性和陆地食物供应目标的一种选择是用更少的土地生产更高的产量，从而腾出土地用于保护目的。
One option for moving toward both biodiversity and terrestrial food supply goals is to produce greater yields from less land, thereby freeing land for conservation purposes.
支持这一观点的是，长期存在的顶极群落通常比先锋群落有更复杂的食物网和更多的物种多样性。
Support for this idea came from the observation that long-lasting climax communities usually have more complex food webs and more species diversity than pioneer communities.
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