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Title: Consistently inconsistent drivers of microbial diversity and abundance at macroecological scales

Journal Article · · Ecology
DOI:https://doi.org/10.1002/ecy.1829· OSTI ID:1501392
 [1];  [1];  [1];  [2];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States); Rocky Mountain Biological Lab., Crested Butte, CO (United States)
  2. Rocky Mountain Biological Lab., Crested Butte, CO (United States); Univ. of Vermont, Burlington, VT (United States); Natural History Museum of Denmark, Copenhagen (Denmark)

Macroecology seeks to understand broad-scale patterns in the diversity and abun- dance of organisms, but macroecologists typically study aboveground macroorganisms. Below- ground organisms regulate numerous ecosystem functions, yet we lack understanding of what drives their diversity. Here, we examine the controls on belowground diversity along latitudinal and elevational gradients. Furthermore, we performed a global meta-analysis of 325 soil communities across 20 studies conducted along temperature and soil pH gradients. Belowground taxa, whether bacterial or fungal, observed along a given gradient of temperature or soil pH were equally likely to show a linear increase, linear decrease, humped pattern, trough-shaped pattern, or no pattern in diversity along the gradient. Land-use intensity weakly affected the diversity-temperature relationship, but no other factor did so. Our study highlights disparities among diversity patterns of soil microbial communities. Belowground diversity may be controlled by the associated climatic and historical contexts of particular gradients, by factors not typically measured in community-level studies, or by processes operating at scales that do not match the temporal and spatial scales under study. Because these organisms are responsible for a suite of key processes, understanding the drivers of their distribution and diversity is fundamental to understanding the functioning of ecosystems.

Research Organization:
Univ. of Tennessee, Knoxville, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
SC0010562; NSF-1136703
OSTI ID:
1501392
Alternate ID(s):
OSTI ID: 1401772
Journal Information:
Ecology, Vol. 98, Issue 7; ISSN 0012-9658
Publisher:
Ecological Society of America (ESA)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 86 works
Citation information provided by
Web of Science

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Cited By (36)

Contrasting patterns of plant and microbial diversity during long-term ecosystem development journal January 2019
A global test of ecoregions journal November 2018
Environment and host as large-scale controls of ectomycorrhizal fungi journal June 2018
Fire history and plant community composition outweigh decadal multi‐factor global change as drivers of microbial composition in an annual grassland journal September 2019
A communal catalogue reveals Earth’s multiscale microbial diversity journal November 2017
Climate mediates continental scale patterns of stream microbial functional diversity journal June 2020
Detecting macroecological patterns in bacterial communities across independent studies of global soils journal November 2017
Plant functional diversity and soil properties control elevational diversity gradients of soil bacteria journal February 2019
Soil microbes that may accompany climate warming increase alpine plant production journal October 2019
Changes in soil microbial community structure during long‐term secondary succession journal January 2020
A hierarchy of environmental covariates control the global biogeography of soil bacterial richness journal August 2019
Above- and belowground linkages shape responses of mountain vegetation to climate change journal September 2019
Cross-Biome Drivers of Soil Bacterial Alpha Diversity on a Worldwide Scale text January 2019
Soil microbial biomass increases along elevational gradients in the tropics and subtropics but not elsewhere journal October 2019
Microbiome functioning depends on individual and interactive effects of the environment and community structure journal July 2018
Distinct factors drive the assembly of quinoa-associated microbiomes along elevation journal January 2020
Contrasting latitudinal clines of nematode diversity in Spartina alterniflora salt marshes between native and introduced ranges journal March 2020
Drivers of microbial community structure in forest soils journal March 2018
Rain-Fed Granite Rock Basins Accumulate a High Diversity of Dormant Microbial Eukaryotes journal December 2019
Are drivers of root-associated fungal community structure context specific? journal January 2019
Evolutionary constraints on species diversity in marine bacterioplankton communities journal January 2019
Microbial Diversity Exploration of Marine Hosts at Serrana Bank, a Coral Atoll of the Seaflower Biosphere Reserve journal June 2019
Biogeography of plant root‐associated fungal communities in the North Atlantic region mirrors climatic variability journal May 2019
Soil pH dominates elevational diversity pattern for bacteria in high elevation alkaline soils on the Tibetan Plateau journal January 2019
Divergent national-scale trends of microbial and animal biodiversity revealed across diverse temperate soil ecosystems journal March 2019
Relationships between plant diversity and soil microbial diversity vary across taxonomic groups and spatial scales journal January 2020
Soil biota composition and the performance of a noxious weed across its invaded range journal July 2019
Biotic homogenization of wetland nematode communities by exotic Spartina alterniflora in China journal February 2019
Microbiome functioning depends on individual and interactive effects of the environment and community structure. text January 2019
A hierarchy of environmental covariates control the global biogeography of soil bacterial richness text January 2019
Cross-Biome Drivers of Soil Bacterial Alpha Diversity on a Worldwide Scale journal January 2019
A communal catalogue reveals Earths multiscale microbial diversity text January 2017
Cross-Biome Drivers of Soil Bacterial Alpha Diversity on a Worldwide Scale text January 2019
A communal catalogue reveals Earth's multiscale microbial diversity dataset November 2017
Above- and belowground linkages shape responses of mountain vegetation to climate change text January 2019
Detecting macroecological patterns in bacterial communities across independent studies of global soils text January 2018

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