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时间:2017-12-04 16:18 文章来源:利来国际www.w66com 点击次数:

其中包括蜘蛛、苍蝇和千足虫等令人毛骨悚然的昆虫。

Tosee whether this idea had legs, a team of entomologists strapped onkneepads and headlamps and scoured 50 different homes in Raleighfor any arthropod they could find. Theyfrom more than 300 differentfamilies, from the humble pill bug to the panic-inducing paperwasp. (Other species they collected are in the slideshow above.)They found that houses in neighborhoods with the highest averageincomes, theyreport today in Biology Letters. For example, a house in aneighborhood with an average annual income of $33,510 had membersof 74 arthropod families living inside, whereas a house in aneighborhood with an average annual income of $176,289 had membersfrom 105 families.Houses in nice neighborhoodsdidn看看6708女生看了’t have more of any one particular species, though—they justhad a whole lot more species.

内涵段子馒头暗号当你有了钱,进一步了解这些节肢动物是如何适应室内生态系肉涵段子官网统的。明白这一点之后可能有助于了解臭虫和白蚁之类的害虫是如何兴旺起来的,以获得更加完善的观点,还要把研究延伸到其他国家,研究人员计划在不太富裕的居民区进行听听很色的很污的段子同样的研究,研究的收入范围也有限。为了纠正这些问题,而是昆虫的种类要多得多。

原著:JessicaBoddy

内涵译自:美国《科学》杂志官网(Aug.2, 2016 , 7:15 PM对比一下励志笑话开心一刻)

该研究的缺点是仅仅观察了一个城看了市,豪华居民区的房子里任何特定种类的昆虫更多,却生活着105个节肢动物科的物种。并不是说,生活着74个节肢动物科的物种;而在年平均收入为176,289想知道下载内涵段子最新版美元的居民区一所房子里,房子里拥有更多的昆虫物种。例如:在年平均收入为33,510美元的居民区一所房子里,在平均收入最经典段子笑话高的居民区,跟低收入阶层相比,研究人员在《生物学快报》上报道说:他们发现,从不起眼的鼠妇到引起恐慌的胡蜂都有。今天,寻找可能发现的任何节肢动物。他们段子从300多个不同的家庭中收集了10,000个物种,搜遍了罗利市50多个居民区,戴上头灯,一组昆虫学家穿着护膝, Oneweakness of the study was that it looked at only one city and alimited range of incomes. To rectify that, the researchers plan toperform similar studies in less affluent neighborhoods and in othercountries for a more complete view of how these arthropods fit intothe indoor ecosystem. Understanding this could shed light onto howpests like bedbugs and termites thrive励志—and how other species mightbe able to keep them in check. The next challenge after that?Getting people to befriend their tiny, many-leggedroommates.

学习最搞笑的脑筋急转弯为了证明这个想法能否站得住脚, 译自:美国《科段子学》杂志官网(Jul.25, 2016 , 3:00 PM内涵段子越女泳池视频)


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