东北林业大学科研团队建成亚洲东部南北生态样带 7000公里纵贯寒带至热带|精品久久久久区二区8888
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中新网哈尔滨9月24日电 (张佳慧 勾婉婷)24日,记者从东北林业大学获悉,由该校何念鹏教授团队完成的亚洲东部南北样带(North-South Transect of Eastern Asia, NSTEA)建设工作取得重大进展。该样带纵贯7000公里,北起北冰洋边缘高寒苔原,南至热带雨林,完整覆盖全部气候带及代表性生态系统,是我国在全球环境变化与生态学研究领域的重要基础设施突破,对系统评估生态系统响应气候变化的规律具有里程碑意义。

亚洲东部南北样带完整涵盖热带雨林、亚热带常绿阔叶林、温带落叶林与针阔混交林、寒温带针叶林及寒带苔原五大气候带和生态系统类型,是全球范围内具有高度完整性和典型性的生态梯度研究平台,能够有效克服传统样带“片段化”覆盖的局限,实现多要素、多过程、多尺度生态观测与系统分析。
亚洲东部南北样带由于贵瑞院士指导、东北林业大学何念鹏教授科研团队具体推进,并依托与俄罗斯科学院西伯利亚分院梅尔尼科夫冻土研究所、生物问题研究所等的国际合作完成。
2013至2018年,何念鹏教授团队已完成样带南段自中国海南热带季雨林至黑龙江寒温带落针叶林近20个森林生态系统的调查与样品采集,测定了4000多种植物的112种功能性状特征。
2025年7月至8月,东林团队张佳慧、宗鑫等人深入俄远东及西伯利亚地区,新增10个调查采样点,系统完成了群落结构及群落内所有物种植物—土壤样品采集和多维度生态指标测定,标志着该样带北段贯通取得决定性成果。
东北林业大学科研团队长期致力于该样带建设。北段调查的完成,标志着生态系统生态学研究将实现从区域性样带向完整北半球气候梯度覆盖的新阶段,为理解生态系统对全球变化的响应机制及评估生态服务功能提供了坚实的数据平台。(完)
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