Microbial Biogeochemical Cycling of Nitrogen in Arid Ecosystems

Author:

Ramond Jean-Baptiste123ORCID,Jordaan Karen1,Díez Beatriz145ORCID,Heinzelmann Sandra M.23,Cowan Don A.23

Affiliation:

1. Departamento Genética Molecular y Microbiología, Pontificia Universidad Católica de Chile, Santiago, Chile

2. Centre for Microbial Ecology and Genomics (CMEG), University of Pretoria, Pretoria, South Africa

3. Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa

4. Center for Climate and Resilience Research (CR)2, Santiago, Chile

5. Center for Genome Regulation (CRG), Santiago, Chile

Abstract

Arid ecosystems cover ∼40% of the Earth’s terrestrial surface and store a high proportion of the global nitrogen (N) pool. They are low-productivity, low-biomass, and polyextreme ecosystems, i.e., with (hyper)arid and (hyper)oligotrophic conditions and high surface UV irradiation and evapotranspiration. These polyextreme conditions severely limit the presence of macrofauna and -flora and, particularly, the growth and productivity of plant species.

Funder

ANID | Fondo Nacional de Desarrollo Científico y Tecnológico

ANID | Fondo de Financiamiento de Centros de Investigación en Áreas Prioritarias

National Research Foundation

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology,Infectious Diseases

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