很多人都很有兴趣在本地区做调研，或只是看看这方面的资料——这里的人、职业、这些年来的变化等等。
Many people are interested in doing research or just reading about this region—the people, occupations, changes over the years, and so on.
这种情形始于在目标地区（如废弃矿井或被污水污染的灌溉池）种植超积累物种。
This scenario begins with the planting of hyperaccumulating species in the target area, such as an abandoned mine or an irrigation pond contaminated by runoff.
渔民们知道一年中允许捕捞的大概时间段，但是在某些日子，一个地区可能有一个或多个实地生物学家中止捕鱼活动。
The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.
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