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The aim of this study was to present the relationship between soil properties and biodiversity indexes in upland fir (Abies alba) forest associations (Abietetum albae). Our study was conducted in six areas representing the growth conditions of upland fir forests and the research plots were located in the Roztoczański and Świętokrzyski National Parks as well as Przedbórz, Radomsko, Piotrków and Janów lubelski Forest District. on every plot, the topography was described, soil cores were examined and samples for laboratory analysis were taken. the following characteristics were determined for the soil samples: ph, c, n, ca, Mg, na and K content, particle size, exchangeable acidity, aluminum content and hydrolytic acidity. additionally, enzyme activity in the soil samples (urease and dehydrogenase) was measured. in each test area, the stand characteristics were measured (diameter at breast height and height), floristic characteristics were described and the biodiversity indexes (Shannon, Simpson and Margalef indexes) were calculated. Different soil types (gleysols, Brunic arenosols, gleyic Podzols and hyperdistric cambisols) were recorded for the investigated forest stands and the soils were categorized according to soil texture, c content, enzyme activity and different humus types (moder-mor, moder, moder-mull). the upland mixed coniferous forest sites were characterized by lower biodiversity indexes (2.6 shannon index; 0.72 simpson index; 4.9 Margalef index) while the upland mixed broadleaf forest sites showed higher indexes (3.3 Shannon index; 0.87 Simpson index; 9.4 Margalef index). The site index obtained for the fir stands confirmed these results.
vlaznych pochv. Pochvovedenije 11: 114-123. Islam K., Singh B. & McBratney A. B., 2003. Simultaneous estimation of various soilproperties by ultra-violet, visible and near-infrared reflectance spectroscopy. Australian Journal of Soil Research 41: 1101-1114. Lagacherie P., Frédéric B., Feret J.-B., Netto J. M. & Robbez-Masson J. M., 2008. Estimation of soil clay and calcium carbonate using laboratory, field and airborne hyperspectral measurements. Remote Sensing of Environment 112: 825-835. McCarty G. W., Reeves III J. B., Reeves V. B., Follett R. F. & Kimble J. M
Recycling of crop residues is essential to sustain soil fertility and crop production. Despite the positive effect of straw incorporation, the slow decomposition of that organic substance is a serious issue. The aim of the study was to assess the influence of winter wheat straws with different degrees of stem solidness on the rate of decomposition and soil properties. An incubation experiment lasting 425 days was carried out in controlled conditions. To perform analyses, soil samples were collected after 7, 14, 21, 28, 35, 49, 63, 77, 91, 119, 147, 175, 203, 231, 259, 313, 341, 369, 397 and 425 days of incubation. The addition of two types of winter wheat straw with different degree of stem solidness into the sandy soil differentiated the experimental treatments. The results demonstrate that straw mineralization was a relatively slow process and did not depend on the degree of filling of the stem by pith. Multivariate functional principal component analysis (MFPC) gave proof of significant variation between the control soil and the soil incubated with the straws. The first functional principal component describes 48.53% and the second 18.55%, of the variability of soil properties. Organic carbon, mineral nitrogen and sum of bases impact on the first functional principal component, whereas, magnesium, sum of bases and total nitrogen impact on the second functional principal component.
., FAUCON M. P., MEERTS P., SHUTCHA M., OLIVIER POURRET G. M.O. 2014. Prediction of the edaphic factors influence upon the copper and cobalt accumulation in two metallophytes using copper and cobalt speciation in soils. Plant and Soil, 379: 275-287. LI H. F., GRAY C., MICO C., ZHAO F. J., MCGRATH S. P. 2009. Phytotoxicity and bioavailability of cobalt to plants in a range of soils. Chemosphere, 75: 979-986. MICO C., LI H. F., ZHAO F. J., MCGRATH S. P. 2008. Use of Co speciation and soilproperties to explain variation in Co toxicity to root growth of barley ( Hordeum
(ecosystems) and main soil types in the territory of Slovak Republic in collaborative study. We studied the soilproperties and nematode-microbial assemblages in three soil types and three ecosystems to evaluate 1) nematode and microbial diversity in ecosystems with different soil types, 2) the fundamental variability in soilproperties amongst and within the ecosystems and soil types, and 3) the effects of soilproperties and sampling date on the nematodes and microbes in the ecosystems and soil types. We hypothesised that biological diversity would be lower in
. & Fritze H. (2009). Effects of forest management on soilproperties at windthrow area in Tatra National Park (TANAP). Acta Environmentalica Universitatis Comenianae, 17(2), 36-46. Hedrick, D.B., Peacock, A.D. & White D.C. (2007). Lipid analyses for viable microbial biomass, community composition, metabolic status, and in situ metabolism. In C.J. Hurst, R.L. Crawford, J.L. Garland, D.A. Lipson, A.L. Mills & L.D. Stetzenbach (Eds.), Manual of environmental microbiology (pp. 112−125). Washington: ASM Press. Högberg, M.N., Högberg, P. & Myrold D.D. (2006). Is microbial
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