Factors associated with degeneration of the thallus centre in foliose lichens

Symbiosis

Volumn 22, Issue 3, 1997, Pages 293-302

  Armstrong, R A ^a   Smith, S N ^a  

^a ASTON UNIVERSITY   (United Kingdom)

Author keywords

'Windows'; Carbohydrate; Inorganic ions; Lichen; Thallus degeneration

Indexed keywords

EID: 0030906205     PISSN: 03345114     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (25)

1. Armstrong, R.A. 1974. The descriptive ecology of saxicolous lichens in an area of South Merionethshire, Wales. Journal of Ecology 62: 33-45.
2. Armstrong, R.A. 1979. Growth and regeneration of lichen thalli with the central portions artificially removed. Environmental and Experimental Botany 19:175-178.
3. Armstrong, R.A. 1981. Field experiments on the dispersal, establishment and colonisation of lichens on a slate rock surface. Environmental and Experimental Botany 21:116-120.
4. Armstrong, R.A. 1982. Competition between three foliose species of Parmelia (Lichens). New Phytologist 90: 67-72.
5. Armstrong, R.A. 1990. The influence of calcium and magnesium on the growth of the lichens Xanthoria parietina and Parmelia saxatilis. Environmental and Experimental Botany 30: 51-57.
6. Armstrong, R.A. 1991. Experimental studies of lobe growth in the lichen Parmelia conspersa (Ehrh. ex Ach.) Ach. New Phytologist 119: 315-319.
7. Armstrong, R.A. 1997. Are metal ions accumulated by saxicolous lichens growing in a rural environment? Environmental and Experimental Botany (in press).
8. Armstrong, R.A. and Smith, S.N. 1987. Development and growth of the lichen Rhizocarpon geographicum. Symbiosis 3: 287-300.
9. Armstrong, R.A. and Smith, S.N. 1994. The levels of ribitol, arabitol and mannitol in individual lobes of the lichen Parmelia conspersa (Ehrh. ex Ach.) Ach. Environmental and Experimental Botany 34: 253-260.
10. Bates, J.W. 1982. The role of exchangeable calcium in saxicolous calcicole and calcifuge mosses. New Phytologist 90: 239-252.
11. Brown, D.H. and Slingsby, D.R. 1972. The cellular location of lead and potassium in the lichen Cladonia rangiformis (L.) Hoffm. New Phytologist 71: 297-305.
12. Farrar, J.F. 1973. Lichen physiology: progress and pitfalls. In B.W. Ferry, M.S. Baddeley and D.L. Hawksworth, eds. Air Pollution and Lichens. Athlone Press, University of London, pp. 238-282.
13. Farrar, J.F. 1976. The lichen as an ecosystem: observation and experiment. In: D.H. Brown, D.L. Hawksworth and R.H. Bailey, eds. Lichenology: Progress and Problems. Academic Press, New York, pp. 385-406.
14. Fletcher, A. 1976. Nutritional aspects of marine and maritime lichen ecology. In: D.H. Brown, D.L. Hawksworth and R.H. Bailey, eds. Lichenology: Progress and Problems. Academic Press, New York, pp. 359-384.
15. Greenhalgh, G.N. and Anglesea, D. 1979. The distribution of algal cells in lichen thalli. Lichenologist 11: 283-292.
16. Iskander, I.K. and Syers, J.K. 1972. Metal-complex formation by lichen compounds. Journal of Soil Science 23: 255-265.
17. Karenlampi, L. 1970. Distribution of chlorophyll in the lichen Cladonia alpestris. Reprints of Kevo Subarctic Research Station 7:1-8.
18. Lawrey, J.D. 1984. Biology of Lichenized Fungi. Praeger, New York.
19. Lechowicz, M.J. 1983. Age dependence of photosynthesis in the caribou lichen Cladina stellaris. Plant Physiology 71: 893-895.
20. Nash, T.H., Moser, T.J. and Link, S.O. 1980. Nonrandom variation of gas exchange within arctic lichens. Canadian Journal of Botany 58:1181-1186.
21. Nash, T.H. III 1989. Metal tolerance in lichens. In: A.J. Shaw, ed., Heavy Metal Tolerance in Plants: Evolutionary Aspects. CRC Press, Boca Raton, FL, pp. 119-131.
22. Nieboer, E., Ahmed, H.M., Puckett, K.J., and Richardson, D.H.S. 1972. Heavy metal content of lichens in relation to distance from a nickel smelter in Sudbury, Ontario. Lichenologist 5: 292-304.
23. Nieboer, E. Richardson, D.H.S., and Tomassini, F.D. 1978. Mineral uptake and release by lichens: An overview. Bryologist 81: 226-246.
24. Puckett, K.J., Nieboer, E, Gorzynski, M.J., and Richardson, D.H.S. 1973. The uptake of metal ions by lichens: A modified ion-exchange process. New Phytologist 72: 329-342.
25. Snedecor, G.W. and Cochran, W.G. 1980. Statistical Methods. 7th ed., University of Iowa Press, Ames, IA.