The Global Ecosystems Monitoring network: monitoring ecosystem productivity and carbon cycling across the tropics

Malhi, Yadvinder; Girardin, Cécile; Metcalfe, Daniel B.; Doughty, Christopher E.; Aragão, Luiz E.O.C.; Rifai, Sami W.; Oliveras, Immaculada; Shenkin, Alexander; Aguirre-Gutiérrez, Jesus; Dahlsjö, Cecilia A.L.; Riutta, Terhi; Berenguer, Erika; Moore, Sam; Huasco, Walter Huaraca; Salinas, Norma; da Costa, Antonio Carlos Lola; Bentley, Lisa Patrick; Adu-Bredu, Stephen; Marthews, Toby R. ORCID: https://orcid.org/0000-0003-3727-6468; Meir, Patrick; Phillips, Oliver L.. 2021 The Global Ecosystems Monitoring network: monitoring ecosystem productivity and carbon cycling across the tropics. Biological Conservation, 253, 108889. 14, pp. 10.1016/j.biocon.2020.108889

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Abstract/Summary

A rich understanding of the productivity, carbon and nutrient cycling of terrestrial ecosystems is essential in the context of understanding, modelling and managing the future response of the biosphere to global change. This need is particularly acute in tropical ecosystems, home to over 60% of global terrestrial productivity, over half of planetary biodiversity, and hotspots of anthropogenic pressure. In recent years there has been a surge of activity in collecting data on the carbon cycle, productivity, and plant functional traits of tropical ecosystems, most intensively through the Global Ecosystems Monitoring network (GEM). The GEM approach provides valuable insights by linking field-based ecosystem ecology with the needs of Earth system science. In this paper, we review and synthesize the context, history and recent scientific output from the GEM network. Key insights have emerged on the spatial and temporal variability of ecosystem productivity and on the role of temperature and drought stress on ecosystem function and resilience. New work across the network is now linking carbon cycling to nutrient cycling and plant functional traits, and subsequently to airborne remote sensing. We discuss some of the novel emerging patterns and practical and methodological challenges of this approach, and examine current and possible future directions, both within this network and as lessons for a more general terrestrial ecosystem observation scheme.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1016/j.biocon.2020.108889
UKCEH and CEH Sections/Science Areas:	Hydro-climate Risks (Science Area 2017-)
ISSN:	0006-3207
Additional Keywords:	tropical forests, net primary productivity, carbon cycle, allocation, traits, monitoring
NORA Subject Terms:	Ecology and Environment
Date made live:	16 Feb 2021 12:36 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/529671

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