articleNature CommunicationsJun 23, 2022GOLD OA

Ecological networks of dissolved organic matter and microorganisms under global change

AHAng HuMCMira ChoiAJAndrew J. TanentzapJLJinfu LiuKJKyoung‐Soon Jang

Nanjing Institute of Geography and Limnology · Hunan Agricultural University · +10 more institutions

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Abstract

Microbes regulate the composition and turnover of organic matter. Here we developed a framework called Energy-Diversity-Trait integrative Analysis to quantify how dissolved organic matter and microbes interact along global change drivers of temperature and nutrient enrichment. Negative and positive interactions suggest decomposition and production processes of organic matter, respectively. We applied this framework to manipulative field experiments on mountainsides in subarctic and subtropical climates. In both climates, negative interactions of bipartite networks were more specialized than positive interactions, showing fewer interactions between chemical molecules and bacterial taxa. Nutrient enrichment…

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Topics & keywords

Topics
Keywords
  • Organic matter
  • Subarctic climate
  • Ecology
  • Biology
  • Trait
  • Nutrient
  • Environmental science
UN Sustainable Development Goals
  • Climate action
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