Sea ice, rain-on-snow and tundra reindeer nomadism in Arctic Russia.

Sea ice, rain-on-snow and tundra reindeer nomadism in Arctic Russia.
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DOI:
10.1098/rsbl.2016.0466
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发表时间:
2016-11
期刊:
影响因子:
3.3
通讯作者:
Bartsch A
Bartsch A
中科院分区:
生物学2区
文献类型:
--
作者:
Forbes BC;Kumpula T;Meschtyb N;Laptander R;Macias-Fauria M;Zetterberg P;Verdonen M;Skarin A;Kim KY;Boisvert LN;Stroeve JC;Bartsch A

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巴伦支海和喀拉海(BKS)的海冰损失正在加速。评估海冰退缩/变薄与该区域古老而独特的社会生态系统之间的潜在联系是一项紧迫的任务。苔原游牧仍然是土著涅涅茨人及其庞大驯鹿群的一项至关重要的生计。夏季气温变暖与俄罗斯西西伯利亚上空更频繁和持续的夏季高压系统有关,但与海冰退缩无关。与此同时,秋/冬雨雪(ROS)事件变得更加频繁和强烈。在这里,我们回顾了秋季大气变暖和降水增加的证据在北极沿海地区接近BKS冰损失。2006年11月和2013年11月发生的两次重大ROS事件导致亚马尔半岛冬季驯鹿大量死亡。对迁徙牧民的实地调查显示,2013年灾难性事件的生态和社会经济影响将在未来几年内显现。海冰损失、更频繁和更强烈的ROS事件与驯鹿高死亡率之间的联系对苔原涅涅茨游牧的未来产生了严重影响。
Sea ice loss is accelerating in the Barents and Kara Seas (BKS). Assessing potential linkages between sea ice retreat/thinning and the region's ancient and unique social–ecological systems is a pressing task. Tundra nomadism remains a vitally important livelihood for indigenous Nenets and their large reindeer herds. Warming summer air temperatures have been linked to more frequent and sustained summer high-pressure systems over West Siberia, Russia, but not to sea ice retreat. At the same time, autumn/winter rain-on-snow (ROS) events have become more frequent and intense. Here, we review evidence for autumn atmospheric warming and precipitation increases over Arctic coastal lands in proximity to BKS ice loss. Two major ROS events during November 2006 and 2013 led to massive winter reindeer mortality episodes on the Yamal Peninsula. Fieldwork with migratory herders has revealed that the ecological and socio-economic impacts from the catastrophic 2013 event will unfold for years to come. The suggested link between sea ice loss, more frequent and intense ROS events and high reindeer mortality has serious implications for the future of tundra Nenets nomadism.
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