Relationship between intra-parcel variability and carbon allocation and sequestration in a mature Barbera (Vitis vinifera L.) vineyard ecosystem

•Despite a small vineyard size, high intra-vineyard vigor variability was found.•Yield and grapes quality greatly differed between high and low vigor plots.•On a vine basis, high vigor increased the c sink function.•Regardless of vigor, the whole vineyard ecosystem acted as a c source.•Soil respirat...

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