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Spatial Heterogeneity of Soil Solution Chemistry in a mature Norway Spruce (Picea abies (L.) Karst.) Stand

Title data

Manderscheid, Bernhard ; Matzner, Egbert:
Spatial Heterogeneity of Soil Solution Chemistry in a mature Norway Spruce (Picea abies (L.) Karst.) Stand.
In: Water, Air, & Soil Pollution. Vol. 85 (1995) Issue 3 . - pp. 1185-1190.
ISSN 0049-6979
DOI: https://doi.org/10.1007/BF00477142

Abstract in another language

The determination of the average soil solution concentrations in forest soils is hindered by the spatialheterogeneity of the soil conditions ,and the stand structure on all scales. The aim of this paper is to investigate thespatial heterogeneity of the soil solution chemistry within a mature stand of Norway spruce and to evaluate theimplication of this heterogeneity for the sampling design for soil solutions.The site is a 140 years old Norway spruce stand of 2.5 ha located in the German Fichtelgebirge at 800 m elevationon granitic, deeply weathered bedrock. At 35 cm soil depth, 59 ceramic suction lysimeters (5 cm length, 2 cmdiameter) were installed in a systematic grid of 25 9 25 m and soil solution was sampled at 3 dates in June and July1994. The solutions were analysed for major cations and anions.Semi-variance of the concentrations at a given date revealed no systematic spatial patterns. The coefficients ofvariance of the element concentrations were between 36 and 298% with highest values for NH4+-N. The implicationsof the observed heterogeneity for the apprupriate number of replicates was investigated by Monte Carlo simulations.As an example, the probability that the measured average concentration of SO42-S is outside a +10% range(related to the ~txue' 59 lysimeter average) is about 68% if only 3 replicates would have been used, 41% with 10replicates and 25% with 20 replicates. Due to the generally large spatial heterogeneity of the soil solution chemistryin forest soils the number oflysimeters used must be carefully adjusted to site conditions and the specific question.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7082
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 07 Aug 2015 07:00
Last Modified: 07 Aug 2015 07:00
URI: https://eref.uni-bayreuth.de/id/eprint/17824