How do coniferous needle tannins influence C and N transformations in birch humus layer?

Blum, 1988, Microbial populations and phenolic acids in soil, Soil Biol. Biochem., 20, 793, 10.1016/0038-0717(88)90084-3 Bradley, 2000, Changes to mineral N cycling and microbial communities in black spruce humus after additions of (NH4)2SO4 and condensed tannin extracted from Kalmia angustifolia and balsam fir, Soil Biol. Biochem., 32, 1227, 10.1016/S0038-0717(00)00039-0 Brooks, 1989, Diffusion method to prepare soil extracts for automated nitrogen-15 analysis, Soil Sci. Soc. Am. J., 53, 1707, 10.2136/sssaj1989.03615995005300060016x Fierer, 2001, Influence of balsam poplar tannin fractions on carbon and nitrogen dynamics in Alaskan taiga floodplain soils, Soil Biol. Biochem., 33, 1827, 10.1016/S0038-0717(01)00111-0 Hart, 1994, Nitrogen mineralization, immobilisation, and nitrification, vol. 5, 985 Hernes, 2004, Tannin signatures of barks, needles, leaves, cones, and wood at the molecular level, Geochim. Cosmochim. Acta., 68, 1293, 10.1016/j.gca.2003.09.015 Hernes, 2001, Tannin diagenesis in mangrove leaves from a tropical estuary: a novel molecular approach, Geochim. Cosmochim. Acta., 65, 3109, 10.1016/S0016-7037(01)00641-X Kanerva, 2006, Response of soil C and N transformations to tannin fractions originating from Scots pine and Norway spruce needles, Soil Biol. Biochem., 38, 1364, 10.1016/j.soilbio.2005.10.013 Kirkham, 1954, Equations for following nutrient transformations in soil, utilizing tracer data, Soil Sci. Soc. Am. Proc., 18, 33, 10.2136/sssaj1954.03615995001800010009x Kraus, 2003, Tannins in nutrient dynamics of forest ecosystems – a review, Plant Soil, 256, 41, 10.1023/A:1026206511084 Kraus, 2004, Carbon and nitrogen dynamics in a forest soil amended with purified tannins from different plant species, Soil Biol. Biochem., 36, 309, 10.1016/j.soilbio.2003.10.006 Kumar, 1986, Fractionation, characterization, and protein-precipitating capacity of the condensed tannins from Robinia pseudo acacia L. leaves, J. Agric. Food. Chem., 34, 487, 10.1021/jf00069a029 Merilä, 2002, Soil nitrogen transformations along a primary succession transect on the land-uplift coast in western Finland, Soil Biol. Biochem., 34, 373, 10.1016/S0038-0717(01)00195-X Nierop, 2005, Thermally assisted hydrolysis and methylation of purified tannins from plants, Anal. Chem., 77, 5604, 10.1021/ac050564r Nierop, 2006, Linking the B ring hydroxylation pattern of condensed tannins to C, N and P mineralization. A case study using four tannins, Soil Biol. Biochem., 38, 2794, 10.1016/j.soilbio.2006.04.049 Nierop, 2006, Short- and long-term tannin induced carbon, nitrogen and phosphorus dynamics in Corsican pine litter, Biogeochemistry, 79, 275, 10.1007/s10533-005-5274-0 Ossipov, 1996, High-performance liquid chromatographic separation and identification of phenolic compounds from leaves of Betula pubescens and Betula pendula, J. Chromatogr., 721, 59, 10.1016/0021-9673(95)00765-2 Ossipova, 2001, Proanthocyanidins of mountain birch leaves: quantification and properties, Phytochem. Anal., 12, 128, 10.1002/pca.568 O. Priha, Microbial activities in soils under Scots pine, Norway spruce and silver birch, Finnish Forest Research Institute, Research Papers 731 (1999) 50 pp. Priha, 1997, Microbial biomass and activity in soil and litter under Pinus sylvestris, Picea abies and Betula pendula at originally similar field afforestation sites, Biol. Fertil. Soils., 24, 45, 10.1007/BF01420219 Priha, 1999, Nitrogen transformations in soil under Pinus sylvestris, Picea abies and Betula pendula at two forest sites, Soil Biol. Biochem., 31, 965, 10.1016/S0038-0717(99)00006-1 Priha, 2001, Microbial community structure and characteristics of the organic matter in soils under Pinus sylvestris, Picea abies and Betula pendula at two forest sites, Biol. Fertil. Soils, 33, 17, 10.1007/s003740000281 Schimel, 1996, Effects of balsam poplar (Populus balsamifera) tannins and low molecular weight phenolics on microbial activity in taiga floodplain soil: implications for changes in N cycling during succession, Can. J. Bot., 74, 84, 10.1139/b96-012 Smolander, 2002, Soil microbial activities and characteristics of dissolved organic C and N in relation to tree species, Soil Biol. Biochem., 34, 651, 10.1016/S0038-0717(01)00227-9 Smolander, 2005, Organic matter characteristics and C and N transformations in the humus layer under two tree species, Betula pendula and Picea abies, Soil Biol. Biochem., 37, 1309, 10.1016/j.soilbio.2004.12.002 Waterman, 1994, Analysis of phenolic plant metabolites, 36