Showing 1 - 20 results of 43 for search '', query time: 0.24s Refine Results
  1. 1
    Plant indicators of soils, rocks, and subsurface waters /
    Published 1965
    Conference Proceeding Book
  2. 2
    Epiphytic lichens and air pollution in the Netherlands /
    by Wit, Toke de
    Published 1976
    Book
  3. 3
    Flechtenkartierung und die Beziehung zur Immissionsbelastung des sudlichen Munsterlandes /
    by Heidt, V.
    Published 1978
    Book
  4. 4
    Monitoring of air pollutants by plants : methods and problems : proceedings of the international workshop, Osnabruck (F.R.G.), September 24- 25, 1981 /
    Published 1982
    Book
  5. 5
    Air pollution : phytotoxicity of acidic gases and its significance in air pollution control /
    by Guderian, Robert
    Published 1977
    Book
  6. 6
    Micronutrients and the nutrient status of soils : a global study /
    by Sillanpää, Mikko
    Published 1982
    Book
  7. 7
    Freshwater wetlands : a guide to common indicator plants of the Northeast /
    by Magee, Dennis W., 1942-
    Published 1981
    Book
  8. 8
    A study of phytoplankton dynamics in Lake Fayetteville as a means of assessing water quality /
    by Meyer, Richard Lee, 1931-
    Published 1971
    Book
  9. 9
    Algae as ecological indicators /
    Published 1984
    Book
  10. 10
    Environmental impact evaluation in freshwater impoundments by vegetation analysis of the terrestrial ecosystem /
    by Fairbairn, Patrick W.
    Published 1975
    Book
  11. 11
    Factor analysis of the chemistry of Spanish moss /
    by Connor, Jon J. (Jerome J.)
    Published 1984
    Government Document Book
  12. 12
    Ecology and distribution of major diatom ecotypes in the southern Fort Union Coal Region of Montana /
    by Bahls, Loren L.
    Published 1984
    Government Document Book
  13. 13
    Using indicator plants to assess susceptibility of California red fir and white fir to the fir engraver beetle /
    by Ferrell, George T.
    Published 1986
    Government Document Book
  14. 14
    Principal indicator species of forested plant associations on national forests in northeastern Oregon and southeastern Washington /
    by Johnson, Charles G.
    Published 1988
    Government Document Book
  15. 15
    Plants for toxicity assessment /
    Published 1990
    Conference Proceeding Book
  16. 16
    Lichens, bryophytes, and air quality /
    Published 1988
    Book
  17. 17
    Indicator plants of coastal British Columbia /
    Published 1989
    Book
  18. 18
    Plants for toxicity assessment.
    Published 1991
    Conference Proceeding Book
  19. 19
    Pollution monitoring with lichens /
    Book
  20. 20
    Tree rings as indicators of ecosystem health /
    Published 1995
    Book
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