2 resultados para WIP-Vrp1

em BORIS: Bern Open Repository and Information System - Berna - Suiça


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Die INT wurde in einer randomisierten, internationalen Multicenterstudie in der Schweiz, Deutschland und Österreich evaluiert und vom Schweizerischen Nationalfonds unterstützt (Projektnummer 3200 B0‑108133). Insgesamt nahmen 169 Personen an der Studie teil. Personen wurden in die Studie eingeschlossen, wenn sie die Diagnosekriterien für eine schizophrene oder schizoaffektive Erkrankung gemäß ICD‑10 oder DSM-IV‑R erfüllten, in ambulanter oder teilstationärer Behandlung waren, ein Alter zwischen 18 und 50 Jahren sowie eine Krankheitsdauer von mehr als zwei Jahren aufwiesen und einen Intelligenzquotienten über 80 erreichten (Reduzierter Wechsler Intelligenztest, WIP). Ausschlusskriterien waren eine akute psychotische Episode, eine primäre Substanzabhängigkeit sowie eine hirnorganische Erkrankung.

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The soils on four lithologies (basaltic conglomerates, Bohio; Andesite; volcanoclastic sediments with basaltic agglomerates, Caimito volcanic; foraminiferal limestone, Caimito marine) on Barro Colorado Island (BCI) have high exchangeable Ca concentrations and cation-exchange capacities (CEC) compared to other tropical soils on similar parent material. In the 0–10 cm layer of 24 mineral soils, pH values ranged from 5.7 (Caimito volcanic and Andesite) to 6.5 (Caimito marine), concentrations of exchangeable Ca from 134 mmolc kg− 1 (Caimito volcanic) to 585 mmolc kg− 1 (Caimito marine), and cation exchange capacities from 317 mmolc kg− 1 (Caimito volcanic) to 933 mmolc kg− 1 (Caimito marine). X-ray diffractometry of the fraction < 2 μm revealed that smectites dominated the clay mineral assemblage in soil except on Caimito volcanic, where kaolinite was the dominant clay mineral. Exchangeable Ca concentrations decreased with increasing soil depth except on Caimito marine. The weathering indices Chemical Index of Alteration (CIA), Plagioclase Index of Alteration (PIA) and Weathering Index of Parker (WIP) determined for five soils on all geological formations, suggested that in contrast to expectation the topsoil (0–10 cm) appeared to be the least and the subsoil (50–70 cm) and saprolite (isomorphically weathered rock in the soil matrix) the most weathered. Additionally, the weathering indices indicated depletion of base cations and enrichment of Al-(hydr)oxides throughout the soil profile. Tree species did not have an effect on soil properties. Impeded leaching and the related occurrence of overland flow seem to be important in determining clay mineralogy. Our results suggest that (i) edaphic conditions favor the formation of smectites on most lithologies resulting in high CEC and thus high retention capacity for Ca and (ii) that there is an external source such as dust or sea spray deposition supplying Ca to the soils.