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. 2019 Aug;572(7768):194-198.
doi: 10.1038/s41586-019-1418-6. Epub 2019 Jul 24.

Soil nematode abundance and functional group composition at a global scale

Johan van den Hoogen #  1 Stefan Geisen #  2   3 Devin Routh  2 Howard Ferris  4 Walter Traunspurger  5 David A Wardle  6 Ron G M de Goede  7 Byron J Adams  8 Wasim Ahmad  9 Walter S Andriuzzi  10 Richard D Bardgett  11 Michael Bonkowski  12 Raquel Campos-Herrera  13 Juvenil E Cares  14 Tancredi Caruso  15 Larissa de Brito Caixeta  14 Xiaoyun Chen  16 Sofia R Costa  17 Rachel Creamer  7 José Mauro da Cunha Castro  18 Marie Dam  19 Djibril Djigal  20 Miguel Escuer  21 Bryan S Griffiths  22 Carmen Gutiérrez  21 Karin Hohberg  23 Daria Kalinkina  24 Paul Kardol  25 Alan Kergunteuil  26 Gerard Korthals  3 Valentyna Krashevska  27 Alexey A Kudrin  28 Qi Li  29 Wenju Liang  29 Matthew Magilton  15 Mariette Marais  30 José Antonio Rodríguez Martín  31 Elizaveta Matveeva  24 El Hassan Mayad  32 Christian Mulder  33 Peter Mullin  34 Roy Neilson  35 T A Duong Nguyen  12   36 Uffe N Nielsen  37 Hiroaki Okada  38 Juan Emilio Palomares Rius  39 Kaiwen Pan  40 Vlada Peneva  41 Loïc Pellissier  42   43 Julio Carlos Pereira da Silva  44 Camille Pitteloud  42 Thomas O Powers  34 Kirsten Powers  34 Casper W Quist  45   46 Sergio Rasmann  47 Sara Sánchez Moreno  48 Stefan Scheu  27   49 Heikki Setälä  50 Anna Sushchuk  24 Alexei V Tiunov  51 Jean Trap  52 Wim van der Putten  3   46 Mette Vestergård  53 Cecile Villenave  52   54 Lieven Waeyenberge  55 Diana H Wall  10 Rutger Wilschut  3 Daniel G Wright  56 Jiue-In Yang  57 Thomas Ward Crowther  58
Affiliations

Soil nematode abundance and functional group composition at a global scale

Johan van den Hoogen et al. Nature. 2019 Aug.

Abstract

Soil organisms are a crucial part of the terrestrial biosphere. Despite their importance for ecosystem functioning, few quantitative, spatially explicit models of the active belowground community currently exist. In particular, nematodes are the most abundant animals on Earth, filling all trophic levels in the soil food web. Here we use 6,759 georeferenced samples to generate a mechanistic understanding of the patterns of the global abundance of nematodes in the soil and the composition of their functional groups. The resulting maps show that 4.4 ± 0.64 × 1020 nematodes (with a total biomass of approximately 0.3 gigatonnes) inhabit surface soils across the world, with higher abundances in sub-Arctic regions (38% of total) than in temperate (24%) or tropical (21%) regions. Regional variations in these global trends also provide insights into local patterns of soil fertility and functioning. These high-resolution models provide the first steps towards representing soil ecological processes in global biogeochemical models and will enable the prediction of elemental cycling under current and future climate scenarios.

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References

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