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Location: A 3000 m^2 study plot, located in an Iberian alpine meadow on sandstone soils at Laguna Larga site in Urbión
 Peaks, Soria, Spain (42º 0' 19.50'' N, 2º 52' 2.26'' W, 2080 m a.s.l.).
														
														
Sampling design: the study plot was randomly sampled using thirty eight 1-m^2 quadrats (i.e. n = 38), where the
 abundance (cover) of plant species was recorded and soil cores were collected for posterior laboratory work.														

														
The dataset consists of four matrices: 														
														
	1. The plant species composition matrix is a matrix of of 38 quadrats x 39 plant species (Agrocani, …, Violpalu),
         where each matrix element represents the abundance of species;													

	2. The microbe functional groups composition matrix is a matrix of 38 quadrats x 95 microbe functional groups
        (A2, A3, …, H12), where each matrix element represents the abundance of microbial functional groups;													
	
        3. The geographic matrix is a matrix of 38 quadrats x 2 Cartesian coordinates (X, Y), where the matrix elements
         specify the position of the quadrats in the Cartesian coordinate system;													

	4. The environment matrix is a matrix of 38 quadrats x 8 hydrological ans soil chemical descriptors,
         where each element specifies the value of the environmental variables for each quadrat.													

The additional list (Plant taxonomy) details plant species names together with their taxonomy, geographic distribution
 and life form.														
														
														
Quantity (units)	        Description													
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X (m) and Y (m)	                Cartesian coordinates of n = 38 sample units (1-m^2 quadrats) within the study plot													
AWTD (m)*	                Average Water Table Depth for a given sample unit (quadrat) over the growing season													
pH	                        Soil pH measured at sample units (quadrats)													
Phosphorous (mg kg-1)	        Soil available phosphorus measured at sample units (quadrats)													
Ca, K, Mg, and Na (meq kg-1)	Soil content in cations calcium, potassium, magnesium and sodium measured at quadrats
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*The origin is taken at the ground surface with a positive downwards direction, hence WTD values are positive														
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