CoteFylesDjalilvand2002

Référence

Cote, B., Fyles, J.W. and Djalilvand, H. (2002) Decreasing N and P resorption efficiency and proficiency in northern deciduous hardwoods with decreasing foliar N and P concentrations. Annals of Forest Science, 59(3):275-281.

Résumé

The objective of this study was to assess the relationships between pre-senescence leaf N and P concentrations, and resorption efficiency and proficiency of eight deciduous hardwood tree species. Trees were sampled on two sites of contrasting fertility/productivity in southern Quebec. Measured resorption efficiencies ranged from 56 to 71% for N, and from 30 to 78% for P. Linear and exponential models between leaf N and litter N, and between leaf P and litter P were significant. Intercepts of linear models were significantly different from zero. Resorption efficiency and proficiency increased with a decrease in leaf N and P, and the rate of change of resorption efficiency increased with leaf nutrient concentration. Concentrations corresponding to ultimate potential resorption were calculated to be 3.2 mg N g-1 and 0.09 mg P g-1. Maximum resorption efficiencies were estimated at 70% for N and 80% for P. The concept of ultimate potential resorption in hardwoods is discussed.

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@ARTICLE { CoteFylesDjalilvand2002,
    AUTHOR = { Cote, B. and Fyles, J.W. and Djalilvand, H. },
    TITLE = { Decreasing N and P resorption efficiency and proficiency in northern deciduous hardwoods with decreasing foliar N and P concentrations },
    JOURNAL = { Annals of Forest Science },
    YEAR = { 2002 },
    VOLUME = { 59 },
    PAGES = { 275-281 },
    NUMBER = { 3 },
    NOTE = { 12864560 (ISSN) Cited By (since 1996): 10 Export Date: 26 April 2007 Source: Scopus CODEN: AFOSF Language of Original Document: English Correspondence Address: Co?te?, B.; Dept. of Natural Resource Sciences; Macdonald Campus of McGill Univ.; 21,111 Lakeshore Ste-Anne-de-Bellevue, Que. H9X 3V9, Canada; email: coteb@nrs.mcgill.ca References: Aerts, R., Nutrient resorption from senescing leaves of perennials: Are there general patterns? (1996) J. Ecol., 84, pp. 597-608; Boerner, R.E., Foliar nutrient dynamics, growth and nutrient use efficiency of Hammamelis virginiana in three forest microsites (1984) Can. J. Bot., 63, pp. 1476-1481; Boerner, R.E., Foliar nutrient dynamics and nutrient use efficiency of four deciduous tree species in relation to site fertility (1984) J. Applied Ecol., 21, pp. 1029-1040; Chapin F.S. III, Mineral nutrition of wild plants (1980) Annu. Rev. Ecol. Syst., 11, pp. 133-260; Chapin F.S. III, Johnson, D.A., McKendrick, J.D., Seasonal movement of nutrients in plants of differing growth form in an Alaskan tundra ecosystem: Implications for herbivory (1980) J. Ecol., 68, pp. 189-209; Chapin F.S. III, Kedrowski, R.A., Seasonal changes in nitrogen and phosphorus fractions and autumnal retranslocation in evergreen and deciduous taiga trees (1983) Ecology, 64, pp. 376-391; Chapin F.S. III, Moilanen, L., Nutritional controls over nitrogen and phosphorus resorption from Alaskan birch leaves (1991) Ecology, 72, pp. 709-715; Chapin F.S. III, Schulze, E.-D., Moonet, H.A., The ecology and economics of storage in plants (1990) Annu. Rev. Ecol. Syst., 21, pp. 423-447; DeLucia, E.H., Schlesinger, W.H., Photosynthetic rates and nutrient-use efficiency among evergreen and deciduous shrubs in Okefenokee swamp (1995) Int. J. Plant Sci., 156, pp. 19-28; Escudero, A., Del Arco, J.M., Sanz, I.C., Ayala, J., Effects of leaf longevity and retranslocation efficiency on the retention time of nutrients in the leaf biomass of different woody species (1992) Oecologia, 90, pp. 80-87; Fries, N., Variation in the content of phosphorus, nucleic acids and adenine in the leaves of some deciduous trees during autumn (1952) Plant and Soil, 4, pp. 29-42; Grandtner, M.M., (1966) La ve?ge?tation forestie?re du Que?bec me?ridional, , Les Presses de l'Univ. Laval, Que?bec, 216 p; Grizzard, T., Henderson, G.S., Clebsch, E.E.C., Reichle, D.E., (1976) Seasonal nutrient dynamics of foliage and litterfall on Walker Branch watershed, a deciduous forest ecosystem, , Pub. 814, Oak Ridge Nat. Lab., Env. Sc. Div, Oak Ridge Tennessee, USA; Guha, M.M., Mitchell, R.L., The trace and major element composition of the leaves of some deciduous trees. II. Seasonal changes (1965) Plant and Soil, 23, pp. 323-338; Guha, M.M., Mitchell, R.L., The trace and major element composition of the leaves of some deciduous trees. II. Seasonal changes (1966) Plant and Soil, 24, pp. 90-112; Killingbeck, K.T., Nutrients in senesced leaves: Keys to the search for potential resorption and resorption proficiency (1996) Ecology, 77, pp. 1716-1727; Lajtha, K., Nutrient resorption efficiency and the response to phosphorus fertilization in the desert shrub Larrea tridentata (DC.) Cov (1987) Biogeochem, 4, pp. 265-276; Miller, H.G., Cooper, J.M., Miller, J.D., Effect of nitrogen supply on nutrients in litter fall and crown leaching in a stand of Corsican pine (1976) J. Appl. Ecol., 13, pp. 233-248; Nambiar, E.K.S., Fife, D.N., Growth and nutrient retranslocation in needles of radiata pine in relation to nitrogen supply (1987) Annals Bot., 60, pp. 147-156; Negi, G.C.S., Singh, S.P., Leaf nitrogen dynamics with particular reference to retranslocation in evergreen and deciduous tree species of Kumaun Himalaya (1993) Can. J. For. Res., 23, pp. 349-357; Nordell, K.O., Karlsson, P.S., Resorption of nitrogen and dry matter prior to leaf abscission: Variation among individuals, sites and years in the mountain birch (1995) Functional Ecol., 9, pp. 326-333; Ostman, N.L., Weaver, G.T., Autumnal nutrient transfers by retranslocation, leaching and litterfall in a chestnut-oak forest of southern Illinois (1982) Can. J. For. Res., 12, pp. 40-51; Ryan, D.F., Bormann, F.H., Nutrient resorption in northern hardwood forests (1982) BioScience, pp. 29-32; Schlesinger, W.H., DeLucia, E.H., Billings, W.D., Nutrient-use efficiency of woody plants on contrasting soils in the Western Great Basin, Nevada (1989) Ecology, 70, pp. 105-113; Shaver, G.R., Melillo, J.M., Nitrogen budgets of marsh plants: Efficiency concepts and relation to availability (1984) Ecology, 65, pp. 1491-1510; Stachurski, A., Zimka, J.R., Methods of studying forest ecosystems: Leaf area, leaf production and withdrawal of nutrients from leaves of trees (1975) Ekol. Pol., 33, pp. 637-648; (1994) Statistica for the Macintosh, , Statsoft Inc. Tulsa, Oklahoma, USA; Thomas, R.L., Sheard, R.W., Moyer, J.R., Comparison of conventional and automated procedures for nitrogen, phosphorus and potassium analysis of plant material using single digestion (1967) Agron. J., 59, pp. 240-243; Tilton, D.L., Seasonal growth and foliar nutrients of Larix laricina in three wetland ecosystems (1977) Can. J. Bot., 55, pp. 1291-1298; Vitousek, P.M., Nutrient cycling and nutrient use efficiency (1982) Am. Nat., 119, pp. 553-572; Williams, R.F., Redistribution of mineral elements during development (1955) Ann. Rev. Plant. Physiol., 6, pp. 25-42; Woodwell, G.M., Variation in the nutrient content of leaves of Quercus alba, Quercus coccinea, and Pinus rigida in the Brookhaven forest from bud-break to abscission (1974) Amer. J. Bot., 61, pp. 749-753. },
    ABSTRACT = { The objective of this study was to assess the relationships between pre-senescence leaf N and P concentrations, and resorption efficiency and proficiency of eight deciduous hardwood tree species. Trees were sampled on two sites of contrasting fertility/productivity in southern Quebec. Measured resorption efficiencies ranged from 56 to 71% for N, and from 30 to 78% for P. Linear and exponential models between leaf N and litter N, and between leaf P and litter P were significant. Intercepts of linear models were significantly different from zero. Resorption efficiency and proficiency increased with a decrease in leaf N and P, and the rate of change of resorption efficiency increased with leaf nutrient concentration. Concentrations corresponding to ultimate potential resorption were calculated to be 3.2 mg N g-1 and 0.09 mg P g-1. Maximum resorption efficiencies were estimated at 70% for N and 80% for P. The concept of ultimate potential resorption in hardwoods is discussed. },
    KEYWORDS = { Hardwoods Litter Nutrient Resorption Senescence deciduous forest nitrogen phosphorus resorption Canada },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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