• Aronsson A, Elowson S. 1980. Effects of irrigation and fertilisation on mineral nutrients in Scots pine needles. In: PressonT, ed. Structure and function of northern coniferous forests – an ecosystem study. Stockholm : Swedish Natural Science Research Council, 219228.
  • Baker TG, Attiwell PM. 1985. Above-Ground nutrient distribution and cycling in Pinus radiata D. Don and Eucalyptus obliqua L'Hérit, Forests in south eastern Australia. Forest Ecology and Management 13: 4152.
  • Chandler JW, Dale JE. 1990. Needle growth in Sitka spruce (Picea sitchensis): effects of nutrient deficiency and needle position within shoots. Tree Physiology 6: 4156.
  • Chapin FS, Kedrowsi RA. 1983. Seasonal changes in nitrogen and phosphorus fractions and autumn retranslocation in evergreen and deciduous taiga trees. Ecology 64: 376391.
  • Crane WSB, Banks JCG. 1992. Accumulation and retranslocation of foliar nitrogen in fertilised and irrigated Pinus radiata. Forest Ecology and Management 52: 201223.
  • Ericsson A, Hellquist C, Långström B, Larsoson S, Tenow O. 1985. Effects on growth of simulated and induced pruning by Tomicus pini perda as related to carbohydrate and nitrogen dynamics in Scots pine. Journal of Applied Ecology 22: 105124.
  • Escudero A, del Arco JM, Sanz IC, Ayala J. 1992. Effects of leaf longevity and retranslocation efficiency on the retention time of nutrients in the leaf biomass of different woody species. Oecologia 90: 8087.
  • Ferrier RC, Alexander IJ. 1991. Internal redistribution of N in Sitka spruce seedlings with partly droughted root systems. Forest Science 37: 860870.
  • Fife DN, Nambiar EKS. 1984. Movement of nutrients in Radiata pine needles in relation to the growth of shoots. Annals of Botany 54: 303314.
  • Greenway KD, Macdonald SE, Lieffers VS. 1992. Is long-lived foliage in Picea mariana an adaptation to nutrient-poor conditions Oecologia 91: 184191.
  • Helmisaari H-S. 1992a. Nutrient: retransloeation within the foliage of Pinus sylvestris. Tree Physiology 10: 4558.
  • Helmisaari H-S. 1992b. Nutrient retranslocation in three Pinus sylvestris stands. Forest Ecology and Management 51: 347367.
  • Jonasson S. 1989. Implications of leaf longevity, leaf nutrient re-absorption and translocation for the resource economy of five evergreen plant species. Oikos 56: 121131.
  • Millard P, Neilsen GH. 1989. The influence of nitrogen supply on the uptake and remobilisation of stored N for the seasonal growth of apple trees. Annals of Botany 63: 301309.
  • Millard P, Proe MF. 1991. Leaf demography and the seasonal internal cycling of nitrogen in sycamore (Acer pseudoplatanus L.) seedlings in relation to nitrogen supply. New Phytologist 117: 587596.
  • Millard P, Proe MF. 1992. Storage and internal cycling of nitrogen in relation to the seasonal growth of Sikta spruce. Tree Physiology 10: 3343.
  • Miller HG, Cooper JM, Miller JD, Pauline OJL. 1979. Nutrient cycles in pines and their adaptation to poor soils. Canadian Journal of Forest Research 9: 1926.
  • Nambiar EKS, Fife DN. 1987. Growth and nutrient retranslocation in needles of radiata pine in relation to nitrogen supply. Annals of Botany 60: 147156.
  • Nebel B, Matile P. 1992. Longevity and senescence of needles in Pinus cembra L. Trees 6: 156161.
  • Persson H. 1979. Fine-root production, mortality and decomposition in forest ecosystems. Vegetatio 41: 101107.
  • Rapp M, Leclerc MV, Lossaint P. 1979. The nitrogen economy of a Pinus pinea L. stand. Forest Ecology and Management 2: 221231.
  • Reich PB, Walters MB, Ellsworth DS. 1992. Leaf life-span in relation to leaf, plain, and stand characteristics among diverse ecosystems. Ecological monographs 62: 365392.
  • Turner J. 1977. Effect of nitrogen availability on nitrogen cycling in a Douglas-fir stand. Forest Science 23: 307316.