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Damming and its effects on fish

2017-08-09 06:00:00| LifeSciencesWorld

[NEWS] IMAGE: Adult alewife that was transported above impassable barriers and released into Potanipo Lake, NH. Adult alewife spawn in freshwater lakes before returning to the ocean. Credit: Steven Mattocks Fish that migrate between freshwater and sea ecosystems play…

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Category:Biotechnology and Pharmaceuticals

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Warm periods in the 20th century are not unprecedented during the last 2,000 years

2017-08-08 06:00:00| LifeSciencesWorld

[NEWS] A great deal of evidence relating to ancient climate variation is preserved in proxy data such as tree rings, lake sediments, ice cores, stalagmites, corals and historical documents, and these sources carry great significance in evaluating the 20th century warming in the context of the last two millennia. Prof. Quansheng Ge and his group from the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, collected a large number of proxie…

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Category: Biotechnology and Pharmaceuticals

 

 

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