Puy, Arnald ORCID: 0000-0001-9469-2156, Garcia Aviles, Jose M., Balbo, Andrea L., Keller, Michele, Riedesel, Svenja ORCID: 0000-0003-2936-8776, Blum, Daniel and Bubenzer, Olaf (2017). Drip irrigation uptake in traditional irrigated fields: The edaphological impact. J. Environ. Manage., 202. S. 550 - 562. LONDON: ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD. ISSN 1095-8630

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Abstract

Historical and traditional flood-irrigated (FI) schemes are progressively being upgraded by means of drip irrigation (DI) to tackle current water and demographic challenges. This modernization process is likely to foster several changes of environmental relevance at the system level. In this paper we assess the effects derived from DI uptake on soil health and structure in ancient Fl systems through the case study of Ricote, SE Spain, first established in the 10-13th centuries CE. We approach the topic by means of physico-chemical analyses (pH, electrical conductivity, available P, carbon analyses, bulk density, soil water content and particle size distribution), Electrical Resistivity Measurements (ERT) and robust statistics. We reach a power of 1-beta = 77 aiming at detecting a large effect size (f >= 0.4). Results indicate that, compared to FI DI soils present significantly higher water content, a higher proportion of coarse particles relative to fines due to clay translocation, and less dispersion in salt contents. The soils away from the emitters, which were formerly FI and comparatively account for larger extensions, appear significantly depleted in organic matter, available P and N. These results are not affected by departures from statistical model assumptions and suggest that DI uptake in formerly Fl systems might have relevant implications in terms of soil degradation and emission of greenhouse gases. A proper assessment of the edaphological trade-offs derived from this modernization process is mandatory in order to tackle undesired environmental consequences. (C) 2016 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Puy, ArnaldUNSPECIFIEDorcid.org/0000-0001-9469-2156UNSPECIFIED
Garcia Aviles, Jose M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Balbo, Andrea L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Keller, MicheleUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Riedesel, SvenjaUNSPECIFIEDorcid.org/0000-0003-2936-8776UNSPECIFIED
Blum, DanielUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bubenzer, OlafUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-213786
DOI: 10.1016/j.jenvman.2016.07.017
Journal or Publication Title: J. Environ. Manage.
Volume: 202
Page Range: S. 550 - 562
Date: 2017
Publisher: ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Place of Publication: LONDON
ISSN: 1095-8630
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SOIL CARBON SEQUESTRATION; COMPOSITIONAL DATA-ANALYSIS; STATISTICAL POWER ANALYSIS; FURROW IRRIGATION; CLIMATE-CHANGE; CO2 EMISSIONS; WATER; EFFICIENCY; SYSTEMS; YIELDMultiple languages
Environmental SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/21378

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