Shine a light: Under-ice light and its ecological implications in a changing Arctic Ocean.

Shine a light: Under-ice light and its ecological implications in a changing Arctic Ocean.
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DOI:
10.1007/s13280-021-01662-3
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发表时间:
2022-03
期刊:
影响因子:
6.5
通讯作者:
Schourup-Kristensen V
Schourup-Kristensen V
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Castellani G;Veyssière G;Karcher M;Stroeve J;Banas SN;Bouman AH;Brierley SA;Connan S;Cottier F;Große F;Hobbs L;Katlein C;Light B;McKee D;Orkney A;Proud R;Schourup-Kristensen V

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北极海洋生态系统受太阳周期的季节性影响,从夏季海面24小时光照到冬季24小时黑暗。冰下生态系统可用的光量是不同物理和生物过程的结果,这些过程影响其通过大气、雪、海冰和水的路径。在这篇文章中,我们回顾了非生物(云,海冰,雪,悬浮物)和生物(海冰藻类和浮游植物)控制水下光场的知识现状。我们专注于如何可用的光影响的季节性周期的初级生产(symagic和远洋)和讨论的敏感性,生态系统的光场变化的基础上模型模拟。最后,我们讨论了预测未来的变化,在冰下光作为气候变化的后果及其潜在的生态影响,为未来的研究提供了指导。
The Arctic marine ecosystem is shaped by the seasonality of the solar cycle, spanning from 24-h light at the sea surface in summer to 24-h darkness in winter. The amount of light available for under-ice ecosystems is the result of different physical and biological processes that affect its path through atmosphere, snow, sea ice and water. In this article, we review the present state of knowledge of the abiotic (clouds, sea ice, snow, suspended matter) and biotic (sea ice algae and phytoplankton) controls on the underwater light field. We focus on how the available light affects the seasonal cycle of primary production (sympagic and pelagic) and discuss the sensitivity of ecosystems to changes in the light field based on model simulations. Lastly, we discuss predicted future changes in under-ice light as a consequence of climate change and their potential ecological implications, with the aim of providing a guide for future research.
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