期刊
FRONTIERS IN MICROBIOLOGY
卷 10, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2019.00524
关键词
glacier algae; Streptophytes; albedo; terrestrialization; ice
类别
资金
- UK Natural Environment Research Council Consortium Grant 'Black and Bloom' [NE/M021025/1]
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [663830]
- Welsh Government
- Higher Education Funding Council for Wales through the Ser Cymru National Research Network for Low Carbon, Energy, and Environment
- [GAUK 279715]
- NERC [NE/M021025/1, NE/S001034/1] Funding Source: UKRI
Glacier algae grow on melting glacier and ice sheet surfaces across the cryosphere, causing the ice to absorb more solar energy and consequently melt faster, while also turning over carbon and nutrients. This makes glacier algal assemblages, which are typically dominated by just three main species, a potentially important yet under-researched component of the global biosphere, carbon, and water cycles. This review synthesizes current knowledge on glacier algae phylogenetics, physiology, and ecology. We discuss their significance for the evolution of early land plants and highlight their impacts on the physical and chemical supraglacial environment including their role as drivers of positive feedbacks to climate warming, thereby demonstrating their influence on Earth's past and future. Four complementary research priorities are identified, which will facilitate broad advances in glacier algae research, including establishment of reliable culture collections, sequencing of glacier algae genomes, development of diagnostic biosignatures for remote sensing, and improved predictive modeling of glacier algae biological-albedo effects.
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