Výsledky vyhľadávania
- A wetland data base for the western boreal, subarctic, and arctic regions of Canada
Zoltai Stephen C.
Siltanen R.M.
Johnson John D.
Edmonton : Canadian Forest Service , 2000. - vi, 30 s. : far. obr., tab., príl., 28 cm + 1 disketa
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kniha
- Costs of alternate strip cutting and clear-cutting in upland black spruce
Johnson John D.
Smyth Jack H.
Crook Gregory W.
Sault Ste. Marie : Canadian Forest Service , 1995. - 1 dvojlist : 4 obr., 2 tab., 28 cm
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- Long-term effects of ozone and simulated acid rain on the foliage dynamics of slash pine ( Pinus elliotii var. elliotii Engelm.)
Byres David P.
Dean Thomas J.
Johnson John D.
New Phytol.. 120. (1992), s. 61-67. obr.
xkni - KNIHYkniha
- Seasonal response of slash pine (Pinus elliottii var. elliottii Engelm.) photosynthesis to long-term exposure to ozone and acidic precipitation
Byres David P.
Johnson John D.
Dean Thomas J.
New Phytol. 122.. (1992), s. 91-96. tab..graf.
xkni - KNIHYkniha
- Growth response of young slash pine trees to simulated acid rain and ozone stress
Dean Thomas J.
Johnson John D.
Can.J.For.Res.. 22. (1992), s. 839-848. graf.
xkni - KNIHYkniha