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中国二次青藏科考分队开启北线行程 完成达热错采样

科考队员、中国科学院青藏高原研究所(中科院青藏高原所)谢海超博士介绍,这次科考作业利用重力钻采样器采集达热错湖泊表层沉积物以及水体样品,未来将通过样品分析研究,主要利用有机地球化学手段重建过去湖泊水生生态系统变化,讨论在全球变暖背景下,青藏高原湖泊盐度变化对湖泊生态系统的影响,为青藏高原生态屏障保护提供基础数据。 根据前期调研和考察发现,达热错湖泊盐度为1.4克每升,为微咸水湖。盐度是调控湖泊生态系统的重要因素,此次以达热错为主要研究对象,科学评估低盐度对湖泊生态系统变化的影响,揭示其生态系统退化机制,可对未来高原湖泊生态管理提供理论支持。 谢海超指出,气候变暖导致青藏高原水塔失衡,将导致湖泊盐度发生显著变化,并对湖泊生态功能和生物多样性产生严重威胁。目前研究发现�

【奋斗百年路 启航新征程】 强、富、美、高 ——沧桑巨变, 锡 望花开!

【奋斗百年路 启航新征程】 强、富、美、高 ——沧桑巨变, 锡 望花开!
wxrb.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wxrb.com Daily Mail and Mail on Sunday newspapers.

Phú Yên Online - Gồng mình chống dịch COVID-19

Phú Yên Online - Gồng mình chống dịch COVID-19
baophuyen.com.vn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from baophuyen.com.vn Daily Mail and Mail on Sunday newspapers.

Nghệ An: Ô Nhiễm Nghiêm Trọng Tại Hồ Điều Hòa Vinh Tân

Nghệ An: Ô Nhiễm Nghiêm Trọng Tại Hồ Điều Hòa Vinh Tân
tin247.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tin247.com Daily Mail and Mail on Sunday newspapers.

Suché borovicové lesíky sa na Záhorí menia na močiare plné divokého života, a to len preto, že človek vrátil vodu, kam patrí – Denník N

Suché borovicové lesíky sa na Záhorí menia na močiare plné divokého života, a to len preto, že človek vrátil vodu, kam patrí – Denník N
dennikn.sk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dennikn.sk Daily Mail and Mail on Sunday newspapers.

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