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从花开花落看地球暖化
环境类别中推荐的精彩文章
主题: 从花开花落看地球暖化
从花开花落看地球暖化
11 年 1 个月 前
#709
mike lee
离线
Intermediate English-2 /Environment /Flower Power: Tracking Global Warming
09-24
古代的农夫观察周围的植物,以决定何时播种谷物。环保主义之父梭罗一边在华尔腾湖畔宁静的森林里散步,一边仔细记录当地许多植物的生命周期。这种关于植物生命周期的研究,称为生物气候学,是人类最古老的科学之一。现在研究人员将生物气候学应用于当代问题:地球暖化。
随着气候改变,生物气候学的数据也跟着变化。因为春天提早来到,花开和树木发叶芽的时间也相对提早。为了追踪地球暖化的进程及其对环境的影响,科学家正努力记录并研究植物自然生命周期的改变。
他们所做的其中一项努力便是「发芽项目」。本项目征召美国各地志工,要求回报植物何时开花等信息。如此一来,科学家便可将每年收集的资料与前几年的资料相比较,以确定天气变暖对植物有何影响。本项目显示,仅仅借着观察周遭的自然环境,人人都能协助增进我们对地球暖化的了解。
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