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\begin{document}

\title{Building a Global Ecosystem Research Infrastructure to address global
grand challenges for macrosystem ecology}



\author[1]{Henry W Loescher}%
\author[2]{Rodrigo Vargas}%
\author[3]{Michael Mirtl}%
\author[4]{Beryl Morris}%
\author[5]{Johan Pauw}%
\author[6]{Xiubo Yu}%
\author[7]{Werner Kutsch}%
\author[8]{Paula Mabee}%
\author[9]{Jianwu Tang}%
\author[10]{Benjamin L Ruddell}%
\author[11]{Peter Pulsifer}%
\author[12]{Jaana Bäck}%
\author[13]{Steffen Zacharias}%
\author[4]{Mark Grant}%
\author[14]{Gregor Feig}%
\author[15]{Leiming Zheng}%
\author[16]{Christoph Waldmann}%
\author[8]{Melissa A Genazzio}%
\affil[1]{Battelle, National Ecological Observatory Network (NEON), and}%
\affil[2]{University of Delaware}%
\affil[3]{Helmholtz Centre for Environmental Research GmbH, and}%
\affil[4]{Terrestrial Ecosystem Research Network (TERN) Australia, The University of Queensland}%
\affil[5]{South African Environmental Observation Network of the National Research Foundation (SAEON),}%
\affil[6]{Chinese Ecosystem Research Network (CERN), and}%
\affil[7]{Integrated Carbon Observing System (ICOS), ERIC Head Office}%
\affil[8]{Battelle, National Ecological Observatory Network (NEON)}%
\affil[9]{The Ecosystems Center, Marine Biological Laboratory Woods Hole}%
\affil[10]{School of Informatics, Computing, and Cyber Systems, Northern Arizona University}%
\affil[11]{Geography and Environmental Studies}%
\affil[12]{Institute for Atmospheric and Earth System Research, Forest Sciences, University of Helsinki}%
\affil[13]{Dept. Monitoring and Exploration Technologies, UFZ - Helmholtz Centre for Environmental Research GmbH}%
\affil[14]{South African Environmental Observation Network of the National Research Foundation (SAEON)}%
\affil[15]{Synthesis Center of Chinese Ecosystem Research Network,}%
\affil[16]{MARUM, University of Bremen}%


\vspace{-1em}



  
  \date{May 21, 2024}


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\begin{abstract}
The development of several large-, `continental'-scale ecosystem
research infrastructures over recent decades has provided a unique
opportunity in the history of ecological science. The Global Ecosystem
Research Infrastructure (GERI) is an integrated network of analogous,
but independent, site-based ecosystem research infrastructures (ERI)
dedicated to better understand the function and change of indicator
ecosystems across global biomes. Bringing together these ERIs,
harmonizing their respective data and reducing uncertainties enables
broader cross-continental ecological research. It will also enhances the
research community capabilities to anticipate and address future global
scale ecological challenges to the planet. Moreover, increasing the
international capabilities of these ERIs goes beyond their original
design intent, and is an unexpected added value of these large national
investments. Here, we identify specific global grand challenge areas and
research trends to advance the ecological frontiers across continents
that can be addressed through the federation of these
cross-continental-scale ERIs.%
\end{abstract}%



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