Historical biome distribution and recent human disturbance shape the diversity of arbuscular mycorrhizal fungi

Historical biome distribution and recent human disturbance shape the diversity of arbuscular mycorrhizal fungi

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 216(2017), 1 vom: 15. Okt., Seite 227-238
1. Verfasser: Pärtel, Meelis (VerfasserIn)
Weitere Verfasser: Öpik, Maarja, Moora, Mari, Tedersoo, Leho, Szava-Kovats, Robert, Rosendahl, Søren, Rillig, Matthias C, Lekberg, Ylva, Kreft, Holger, Helgason, Thorunn, Eriksson, Ove, Davison, John, de Bello, Francesco, Caruso, Tancredi, Zobel, Martin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Ice Age Quaternary biodiversity dark diversity mycorrhizas species pool tropical grassy biome wilderness
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520 |a The availability of global microbial diversity data, collected using standardized metabarcoding techniques, makes microorganisms promising models for investigating the role of regional and local factors in driving biodiversity. Here we modelled the global diversity of symbiotic arbuscular mycorrhizal (AM) fungi using currently available data on AM fungal molecular diversity (small subunit (SSU) ribosomal RNA (rRNA) gene sequences) in field samples. To differentiate between regional and local effects, we estimated species pools (sets of potentially suitable taxa) for each site, which are expected to reflect regional processes. We then calculated community completeness, an index showing the fraction of the species pool present, which is expected to reflect local processes. We found significant spatial variation, globally in species pool size, as well as in local and dark diversity (absent members of the species pool). Species pool size was larger close to areas containing tropical grasslands during the last glacial maximum, which are possible centres of diversification. Community completeness was greater in regions of high wilderness (remoteness from human disturbance). Local diversity was correlated with wilderness and current connectivity to mountain grasslands. Applying the species pool concept to symbiotic fungi facilitated a better understanding of how biodiversity can be jointly shaped by large-scale historical processes and recent human disturbance 
650 4 |a Journal Article 
650 4 |a Ice Age 
650 4 |a Quaternary 
650 4 |a biodiversity 
650 4 |a dark diversity 
650 4 |a mycorrhizas 
650 4 |a species pool 
650 4 |a tropical grassy biome 
650 4 |a wilderness 
700 1 |a Öpik, Maarja  |e verfasserin  |4 aut 
700 1 |a Moora, Mari  |e verfasserin  |4 aut 
700 1 |a Tedersoo, Leho  |e verfasserin  |4 aut 
700 1 |a Szava-Kovats, Robert  |e verfasserin  |4 aut 
700 1 |a Rosendahl, Søren  |e verfasserin  |4 aut 
700 1 |a Rillig, Matthias C  |e verfasserin  |4 aut 
700 1 |a Lekberg, Ylva  |e verfasserin  |4 aut 
700 1 |a Kreft, Holger  |e verfasserin  |4 aut 
700 1 |a Helgason, Thorunn  |e verfasserin  |4 aut 
700 1 |a Eriksson, Ove  |e verfasserin  |4 aut 
700 1 |a Davison, John  |e verfasserin  |4 aut 
700 1 |a de Bello, Francesco  |e verfasserin  |4 aut 
700 1 |a Caruso, Tancredi  |e verfasserin  |4 aut 
700 1 |a Zobel, Martin  |e verfasserin  |4 aut 
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773 1 8 |g volume:216  |g year:2017  |g number:1  |g day:15  |g month:10  |g pages:227-238 
856 4 0 |u http://dx.doi.org/10.1111/nph.14695  |3 Volltext 
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