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izvor podataka: crosbi

Trace metals in the coastal soils developed from estuarine floodplain sediments in the Croatian Mediterranean region (CROSBI ID 175732)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Romić, Davor ; Romić, Marija ; Zovko, Monika ; Bakić, Helena ; Ondrašek, Gabrijel Trace metals in the coastal soils developed from estuarine floodplain sediments in the Croatian Mediterranean region // Environmental geochemistry and health, 34 (2011), 4; 399-416. doi: 10.1007/s10653-012-9449-z

Podaci o odgovornosti

Romić, Davor ; Romić, Marija ; Zovko, Monika ; Bakić, Helena ; Ondrašek, Gabrijel

engleski

Trace metals in the coastal soils developed from estuarine floodplain sediments in the Croatian Mediterranean region

Fertile soils in the River Neretva estuary were developed by fluvial sedimentation and deposition of the eroded soil material from the karst hills within the catchment. After extensive reclamation, two reclaimed land zones (fluvial terraces and lower-laying terraces) have been delineated, both used for agriculture. The main objectives of this study were to evaluate soil chemical and geochemical properties in reclaimed zones that differ mainly in topography, soil types and agricultural land use. The origin of the trace metals in the arable soils was studied using multivariate statistics, and interpolation maps of trace metals were produced using GIS and geostatistics. Soil trace metal concentrations do not exceed a threshold value established by the Croatian Government regulation, with exception of copper. Comparative analysis of the main soil properties and trace metal concentrations in the study area showed a pronounced spatial variation and differences between two reclaimed zones in soil organic matter content, bioavailable P and total concentrations of Cd and Cu. Factor analysis in the area of the lower-laying terraces showed grouping of bioavailable P and K, organic matter content and pH (negative loading) in the component associated mostly with the land use. In the area of the fluvial terraces, bioavailable P and total Cd were grouped in the same component that may be explained by the traditional small farm agriculture and overuse of mineral fertilizers. In the whole study area, processes of secondary salinization were determined, accompanied by the raised chloride and sodium concentration measured in the saturation soil extract.

agriculture; contamination sources; land reclamation; multivariate statistics; soil salinization

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Podaci o izdanju

34 (4)

2011.

399-416

objavljeno

0269-4042

10.1007/s10653-012-9449-z

Povezanost rada

Geologija, Poljoprivreda (agronomija)

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