阅读部分需要提取的观点是:
- Main point: 专家提出三种方法来解决香榧树数量减少、濒于灭绝的问题
- Sub point 1: 在原地种植香榧树
- Sub point 2: 把香榧移到比原生地往北的地方
- Sub point 3: 把香榧移到研究中心
听力材料:
Youve just read about three ways to save Torreya Taxifolia. Unfortunately, none of these three options provides a satisfactory solution.
你梦刚刚听到了三种保护佛罗里达香榧树的方法。很遗憾,这三个方法都不能解决这个问题。
About the first solution reestablishing Torreya in the same location thats unlikely to be successful, because of whats happening to the coolest dampest areas within Torreyas micro-climate. These areas are being strongly affected by changes in the climate of the larger region. This could be because global warming has contributed to an increase in overall temperatures in the region or because wetlands throughout Florida have been drained. Either way, many areas across the region are becoming dries, so its unlikely that Torrey would have the conditions it needs to survive anywhere within its original Florida micro-climate.
先说第一个方法。在原地种植香榧树是不可行的。这是因为原来适合香榧生长的湿冷微气候已经发生了变化。这些地方的微气候受到了整个大区域气候变化的严重影响。这可能是因为全球变暖导致了该地区整体温度的上升,也可能是因为整个佛罗里达地区的湿地变干。无论是那种原因,该区域的很多地方都变得很干旱,同原来香榧树生长的佛罗里达微气候已经不同。
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