作者
Tyler J Kohler, Massimo Bourquin, Hannes Peter, Gabriel Yvon-Durocher, Robert L Sinsabaugh, Nicola Deluigi, Michael Styllas, Vanishing Glaciers Field Team Styllas Michael 1 Schön Martina 1 Tolosano Matteo 1 de Staercke Vincent 1, Tom J Battin
发表日期
2024/4
期刊
Nature Geoscience
卷号
17
期号
4
页码范围
309-315
出版商
Nature Publishing Group UK
简介
Most cryospheric ecosystems are energy limited. How their energetics will respond to climate change remains largely unknown. This is particularly true for glacier-fed streams, which interface with the cryosphere and initiate some of Earth’s largest river systems. Here, by studying resource stoichiometry and microbial energetics in 154 glacier-fed streams sampled by the Vanishing Glaciers project across Earth’s major mountain ranges, we show that these ecosystems and their benthic microbiome are overall carbon and phosphorus limited. Threshold elemental ratios and low carbon use efficiencies (median: 0.15) modelled from extracellular enzymatic activities corroborate resource limitation in agreement with maintenance metabolism of benthic microorganisms. Space-for-time substitution analyses suggest that glacier shrinkage will stimulate benthic primary production in glacier-fed streams, thereby relieving …
学术搜索中的文章
TJ Kohler, M Bourquin, H Peter, G Yvon-Durocher… - Nature Geoscience, 2024