Worldwide evidence of a unimodal relationship between productivity and plant species richness

  title={Worldwide evidence of a unimodal relationship between productivity and plant species richness},
  author={Lauchlan H. Fraser and Jason Pither and Anke Jentsch and Marcelo Sternberg and Martin Zobel and Diana Askarizadeh and S{\'a}ndor Bartha and Carl Beierkuhnlein and Jonathan A Bennett and Alex Bittel and Bazartseren Boldgiv and Ilsi Iob Boldrini and Edward Bork and Leslie Brown and Marcelo R. Cabido and James Francis Cahill and Cameron N. Carlyle and Giandiego Campetella and Stefano Chelli and Ofer Cohen and Anna-M{\'a}ria Csergő and Sandra D{\'i}az and Lucas Enrico and David J Ensing and Alessandra Fidelis and Jason D. Fridley and Bryan L. Foster and Heath W Garris and Jacob R. Goheen and H A L Henry and Maria Hohn and Mohammad Hassan Jouri and John N. Klironomos and Kadri Koorem and Rachael Lawrence-Lodge and R. Long and Pete Manning and Randall J. Mitchell and Mari Moora and Sandra Cristina M{\"u}ller and Carlos Nabinger and K. Gharib Naseri and Gerhard E Overbeck and Todd M. Palmer and Sheena M. A. Parsons and Mari F. Pesek and Val{\'e}rio D. Pillar and Robert M. Pringle and Kathy Roccaforte and Amanda Schmidt and Zhanhuan Shang and Reinhold Stahlmann and Gisela C Stotz and Shu-ichi Sugiyama and Szil{\'a}rd Szentes and Don Thompson and Radnaakhand Tungalag and Sainbileg Undrakhbold and Margaretha van Rooyen and Camilla Wellstein and J. Bastow Wilson and Talita Zupo},
The search for predictions of species diversity across environmental gradients has challenged ecologists for decades. The humped-back model (HBM) suggests that plant diversity peaks at intermediate productivity; at low productivity few species can tolerate the environmental stresses, and at high productivity a few highly competitive species dominate. Over time the HBM has become increasingly controversial, and recent studies claim to have refuted it. Here, by using data from coordinated surveys… CONTINUE READING
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