Articles | Volume 15, issue 12
Biogeosciences, 15, 3831–3840, 2018
https://doi.org/10.5194/bg-15-3831-2018

Special issue: Biological soil crusts and their role in biogeochemical processes...

Biogeosciences, 15, 3831–3840, 2018
https://doi.org/10.5194/bg-15-3831-2018

Research article 22 Jun 2018

Research article | 22 Jun 2018

Fungal loop transfer of nitrogen depends on biocrust constituents and nitrogen form

Zachary T. Aanderud et al.

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Cited articles

Aanderud, Z. T., Jones, S. E., Schoolmaster, D. R., Fierer, N., and Lennon, J. T.: Sensitivity of soil respiration and microbial communities to altered snowfall, Soil Biol. Biochem., 57, 217–227, 2013. 
Aguilera, L. E., Armas, C., Cea, A. P., Gutierrez, J. R., Meserve, P. L., and Kelt, D. A.: Rainfall, microhabitat, and small mammals influence the abundance and distribution of soil microorganisms in a Chilean semi-arid shrubland, J. Arid. Environ., 126, 37–46, 2016. 
Amaral-Zettler, L. A., McCliment, E. A., Ducklow, H. W., and Huse, S. M.: A method for studying protistan diversity using massively parallel sequencing of V9 hypervariable regions of small-subunit ribosomal RNA genes, PLOS ONE, 4, e6372, https://doi.org/10.1371/journal.pone.0006372, 2009. 
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Short summary
Besides performing multiple ecosystem services individually and collectively, biocrust constituents may also create biological networks connecting spatially and temporally distinct processes. We found evidence of fungal loops within biocrusts but only in cyanobacteria-dominated crusts for the inorganic N form NH4+. Combined with our sequencing effort, our findings suggest that even localized, minor rainfall events may allow dark septate Pleosporales to rapidly translocate N within biocrusts.
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