SommervilleBradleyMailly2004

Référence

Sommerville, D., Bradley, R.L., Mailly, D. (2004) Leaf litter quality and decomposition rates of yellow birch and sugar maple seedlings grown in mono-culture and mixed-culture pots at three soil fertility levels. Trees - Structure and Function, 18(5):608-613.

Résumé

Seedlings of yellow birch (Betula alleghaniensis Britton) and sugar maple (Acer saccharum Marsh.) were grown for 2 years in mono-culture and mixed-culture and at three fertility levels. Following the second growing season, senescent leaves were analysed for N concentration, acid hydrolysable substances (AHS), and nonhydrolysable remains (NHR). A litter sub-sample was then inoculated with indigenous soil microflora, incubated 14 weeks, and mass loss was measured. Litter-N was significantly higher at medium than at poor fertility, as well as in yellow birch than in sugar maple litter. The species effect on litter-N increased with increasing fertility. At medium fertility, litter-N of sugar maple litter was lower in mixed-culture than in mono-culture. AHS, NHR as well the NHR/N ratio were significantly higher in yellow birch than in sugar maple litter. At medium fertility, the NHR/N ratio of sugar maple litter was significantly lower in mono-culture than in mixed-culture. Mass loss was significantly greater at medium and rich fertility than at poor fertility, and in yellow birch than in sugar maple litter. At poor fertility, mixed-litter decomposed at a rate comparable to yellow birch, whereas at medium and rich fertility, mixed-litter decomposed at a rate comparable to sugar maple. There was a significant positive relationship between litter-N and mass loss. A similar positive relationship between NHR and mass loss was presumed to be a "species" effect on decomposition. Results support the hypothesis that species x fertility and species x mixture interactions can be important determinants of litter quality and, by implication, of site nutrient cycling. © Springer-Verlag 2004.

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@ARTICLE { SommervilleBradleyMailly2004,
    AUTHOR = { Sommerville, D. and Bradley, R.L. and Mailly, D. },
    TITLE = { Leaf litter quality and decomposition rates of yellow birch and sugar maple seedlings grown in mono-culture and mixed-culture pots at three soil fertility levels },
    JOURNAL = { Trees - Structure and Function },
    YEAR = { 2004 },
    VOLUME = { 18 },
    PAGES = { 608-613 },
    NUMBER = { 5 },
    NOTE = { 09311890 (ISSN) Cited By (since 1996): 1 Export Date: 26 April 2007 Source: Scopus CODEN: TRESE doi: 10.1007/s00468-004-0354-7 Language of Original Document: English Correspondence Address: Bradley, R.; De?partement de Biologie; Ctr. de Rech. en Biol. Forestiere; Universite? de Sherbrooke Sherbrooke, Que?. J1K 2R1, Canada; email: robert.bradley@usherbrooke.ca References: Austin, A.T., Vitousek, P.M., Precipitation, decomposition and litter decomposability of Metrosideros polymorpha in native forests on Hawaii (2000) J Ecol, 88, pp. 129-138; Beaudet, M., Messier, C., Hilbert, D.W., Lo, E., Wang, Z.M., Lechowicz, M.J., Leaf- and plant-level carbon gain in yellow birch, sugar maple, and beech seedlings from contrasting forest light environments (2000) Can J For Res, 30, pp. 390-404; Berg, B., Hannus, K., Popoff, T., Theander, O., Changes in organic chemical components of needle litter during decomposition. I. Long-term decomposition in Scots pine forest (1982) Can J Bot, 60, pp. 1310-1319; Bradley, R.L., Dynamics of nitrogen associated to acid insoluble substances derived from plant litter (2002) Commun Soil Sci Plant Anal, 33, pp. 1277-1290; Bradley, R.L., Fyles, J.W., Interactions between tree seedling roots and humus forms in the control of soil C and N cycling (1996) Biol Fertil Soils, 23, pp. 70-77; Bradley, R.L., Titus, B.D., Fyles, J.W., Nitrogen acquisition and competitive ability of Kalmia angustifolia L., Paper Birch (Betula Papyrifera Marsh.) and Black Spruce (Picea Mariana (Mill.) Bsp) seedlings grown on different humus forms (1997) Plant Soil, 195, pp. 209-220; Carreiro, M.M., Sinsabaugh, R.L., Repert, D.A., Parkhurst, D.F., Microbial enzyme shifts explain litter decay responses to simulated nitrogen deposition (2000) Ecology, 81, pp. 2359-2365; Coleman, D.C., Crossley, D.A., (1996) Fundamentals of Soil Ecology, , Academic, San Diego; Ellsworth, D.S., Nitrogen additions affects leaf nutrition and photosynthesis in sugar maple in a nutrient-poor northern Vermont forest (1998) Proceedings of the International Symposium on Sugar Maple Ecology and Health, pp. 98-105. , Horsley SB, Long RP (eds); Finzi, A.C., Canham, C.D., Sapling growth in response to light and nitrogen availability in a southern New England forest (2000) For Ecol Manage, 131, pp. 153-165; Fyles, J.W., Fyles, I.H., Interaction of Douglas-fir with red alder and salal foliage litter during decomposition (1993) Can J For Res, 23, pp. 358-361; Kirk, T.K., Fenn, P., Formation and action of the ligninolytic system in basidiomycetes (1982) Br Mycol Soc, 4, pp. 67-89; Magill, A.H., Aber, J.D., Long-term effects of experimental nitrogen additions on foliar litter decay and humus formation in forest ecosystems (1998) Plant Soil, 203, pp. 301-311; Malcolm, D.C., (1987) Nitrogen Supply for Spruce on Infertile Sites (An Ecological Problem). The Leslie L. Schaffer Lectureship in Forest Science, , Vancouver, BC, Canada; McClaugherty, C.A., Pastor, J., Aber, J.D., Melillo, J.M., Forest litter decomposition in relation to soil nitrogen dynamics and litter quality (1985) Ecology, 66, pp. 266-275; Melillo, J.M., Aber, J.D., Muratore, J.F., Nitrogen and lignin control of hardwood leaf litter decomposition dynamics (1982) Ecology, 63, pp. 621-626; Melillo, J.M., Aber, J.D., Linkins, A.E., Ricca, A., Fry, B., Nadelhoffer, K.J., Carbon and nitrogen dynamics along the decay continuum: Plant litter to soil organic matter (1989) Plant Soil, 115, pp. 189-198; Miles, J., Young, W.F., The effects on heathland and moorland soils in Scotland and Northern England following colonization by birch (Betula spp.) (1980) Bull Ecol, 11, pp. 233-242; Moore, T.R., Trofymow, J.A., Taylor, B., Prescott, C., Camire, C., Duschene, L., Fyles, J., Zoltai, S., Litter decomposition rates in Canadian forests (1999) Global Change Biol, 5, pp. 75-82; Preston, C.M., Trofymow, J.A., Sayer, B.G., Niu, J.N., C-13 nuclear magnetic resonance spectroscopy with cross-polarization and magic-angle spinning investigation of the proximate-analysis fractions used to assess litter quality in decomposition studies (1997) Can J Bot, 75, pp. 1601-1613; Rothe, A., Binkley, D., Nutritional interactions in mixed species forests: A synthesis (2001) Can J For Res, 31, pp. 1855-1870; Ryan, M.G., Melillo, J.M., Ricca, A., A comparison of methods for determining proximate carbon fractions of forest litter (1990) Can J For Res, 20, pp. 166-171; (1998) SAS/Stat User's Guide. Release 6.12, , SAS Institute, Cary; Scowcroft, P.G., Turner, D.R., Vitousek, P.M., Decomposition of Metrosideros polymorpha leaf litter along elevational gradients in Hawaii (2000) Global Change Biol, 6, pp. 73-85; (1998) The Canadian System of Soil Classification, 3rd Edn., , Agriculture and Agri-food Canada, Research Brand, Ottawa; Taylor, B.R., Parkinson, D., Parsons, W.F.J., Nitrogen and lignin content as predictors of litter decay rates: A microcosm test (1989) Ecology, 70, pp. 97-104; Thibodeau, L., Raymond, P., Camire, C., Munson, A.D., Impact of precommercial thinning in balsam fir stands on soil nitrogen dynamics, microbial biomass, decomposition, and foliar nutrition (2000) Can J For Res, 30, pp. 229-238; Trofymow, J.A., Preston, C.M., Prescott, C.E., Litter quality and its potential effect on decay rates of materials from Canadian forests (1995) Water Air Soil Pollut, 82, pp. 215-226; Vitousek, P.M., Foliar and litter nutrients, nutrient resorption, and decomposition in Hawaiian Metrosideros polymorpha (1998) Ecosystems, 1, pp. 401-407; Yamasaki, S.H., Fyles, J.W., Egger, K.N., Titus, B.D., The effect of Kalmia angustifolia on the growth, nutrition, and ectomycorrhizal symbiont community of black spruce (1998) For Ecol Manage, 105, pp. 197-207. },
    ABSTRACT = { Seedlings of yellow birch (Betula alleghaniensis Britton) and sugar maple (Acer saccharum Marsh.) were grown for 2 years in mono-culture and mixed-culture and at three fertility levels. Following the second growing season, senescent leaves were analysed for N concentration, acid hydrolysable substances (AHS), and nonhydrolysable remains (NHR). A litter sub-sample was then inoculated with indigenous soil microflora, incubated 14 weeks, and mass loss was measured. Litter-N was significantly higher at medium than at poor fertility, as well as in yellow birch than in sugar maple litter. The species effect on litter-N increased with increasing fertility. At medium fertility, litter-N of sugar maple litter was lower in mixed-culture than in mono-culture. AHS, NHR as well the NHR/N ratio were significantly higher in yellow birch than in sugar maple litter. At medium fertility, the NHR/N ratio of sugar maple litter was significantly lower in mono-culture than in mixed-culture. Mass loss was significantly greater at medium and rich fertility than at poor fertility, and in yellow birch than in sugar maple litter. At poor fertility, mixed-litter decomposed at a rate comparable to yellow birch, whereas at medium and rich fertility, mixed-litter decomposed at a rate comparable to sugar maple. There was a significant positive relationship between litter-N and mass loss. A similar positive relationship between NHR and mass loss was presumed to be a "species" effect on decomposition. Results support the hypothesis that species x fertility and species x mixture interactions can be important determinants of litter quality and, by implication, of site nutrient cycling. © Springer-Verlag 2004. },
    KEYWORDS = { Acer saccharum Betula alleghaniensis Decomposition Litter quality Mixed species Biodiversity Decomposition Hydrolysis Soils Sugar (sucrose) Acid hydrolysable substances (AHS) Leaf litter quality Non-hydrolysable remains (NHR) Plants (botany) Acer Saccharum Betula Alleghaniensis Decay Fertility Hydrolysis Leaves Soil Sugars Acer saccharum Betula alleghaniensis Saccharum },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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