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dc.contributor.authorCreamer REen
dc.contributor.authorHannula SEen
dc.contributor.authorVan Leeuwen JPen
dc.contributor.authorStone Den
dc.contributor.authorRutgers Men
dc.contributor.authorSchmelz RMen
dc.contributor.authorde Ruiter PCen
dc.contributor.authorBohse Hendriksen Nen
dc.contributor.authorBolger Ten
dc.contributor.authorBouffaud MLen
dc.contributor.authorBuee Men
dc.contributor.authorCarvalho Fen
dc.contributor.authorCosta Den
dc.contributor.authorDirilgen Ten
dc.contributor.authorFrancisco Ren
dc.contributor.authorGriffiths BSen
dc.contributor.authorGriffiths Ren
dc.contributor.authorMartin Fen
dc.contributor.authorMartins da Silva Pen
dc.contributor.authorMendes Sen
dc.contributor.authorMorais PVen
dc.contributor.authorPereira Cen
dc.contributor.authorPhilippot Len
dc.contributor.authorPlassart Pen
dc.contributor.authorRedecker Den
dc.contributor.authorRombke Jen
dc.contributor.authorSousa JPen
dc.contributor.authorWouterse Men
dc.contributor.authorLemanceau Pen
dc.description.abstractSoil organisms are considered drivers of soil ecosystem services (primary productivity, nutrient cycling, carbon cycling, water regulation) associated with sustainable agricultural production. Soil biodiversity was highlighted in the soil thematic strategy as a key component of soil quality. The lack of quantitative standardised data at a large scale has resulted in poor understanding of how soil biodiversity could be incorporated into legislation for the protection of soil quality. In 2011, the EcoFINDERS (FP7) project sampled 76 sites across 11 European countries, covering five biogeographical zones (Alpine, Atlantic, Boreal, Continental and Mediterranean) and three land-uses (arable, grass, forestry). Samples collected from across these sites ranged in soil properties; soil organic carbon (SOC), pH and texture. To assess the range in biodiversity and ecosystem function across the sites, fourteen biological methods were applied as proxy indicators for these functions. These methods measured the following: microbial diversity: DNA yields (molecular biomass), archaea, bacteria, total fungi and arbuscular mycorrhizal fungi; micro fauna diversity: nematode trophic groups; meso fauna diversity: enchytraeids and Collembola species; microbial function: nitrification, extracellular enzymes, multiple substrate induced respiration, community level physiological profiling and ammonia oxidiser/nitrification functional genes. Network analysis was used to identify the key connections between organisms under the different land use scenarios. Highest network density was found in forest soils and lowest density occurred in arable soils. Key taxomonic units (TUs) were identified in each land-use type and in relation to SOC and pH categorisations. Top-connected taxonomic units (i.e. displaying the most co-occurrence to other TUs) were identified for each land use type. In arable sites this was dominated by bacteria and fungi, while in grassland sites bacteria and fungi were most connected. In forest soils archaeal, enchytraeid and fungal TUs displayed the largest number of neighbours, reflecting the greatest connectivity. Multiple regression models were applied to assess the potential contribution of soil organisms to carbon cycling and storage and nutrient cycling of specifically nitrogen and phosphorus. Key drivers of carbon cycling were microbial biomass, basal respiration and fungal richness; these three measures have often been associated with carbon cycling in soils. Regression models of nutrient cycling were dependent on the model applied, showing variation in biological indicators.en
dc.description.sponsorshipEC FP7 EcoFINDERS -264465en
dc.relation.ispartofApplied Soil Ecologyen
dc.subjectSoil biodiversityen
dc.subjectEcosystem functionen
dc.subjectCarbon cycling and storageen
dc.subjectNutrient cyclingen
dc.subjectNetwork analysisen
dc.titleEcological network analysis reveals the inter-connection between soil biodiversity and ecosystem function as affected by land use across Europeen
rioxxterms.typeJournal Article/Reviewen
refterms.exceptionFreeTextPre REF requirementsen

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