Textbook of Theoretical Botany, Volume 4 |
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Page 3380
... natural vegetation showed natural changes was noticed by the earliest observers and must , indeed , have been part of the nature lore of primitive man , whose observation was sharpened by his close dependence on his natural environ ...
... natural vegetation showed natural changes was noticed by the earliest observers and must , indeed , have been part of the nature lore of primitive man , whose observation was sharpened by his close dependence on his natural environ ...
Page 3401
... natural vegetation under the neutral or undefined term ' the plant community ' which with its German counterpart of ' Gesellschaft ' or the French ' groupement ' has been generally retained as a convenient label for all types of ...
... natural vegetation under the neutral or undefined term ' the plant community ' which with its German counterpart of ' Gesellschaft ' or the French ' groupement ' has been generally retained as a convenient label for all types of ...
Page 3435
... natural selection has operated in a ' gross and continual ' manner the result is to produce clearly differentiated vegetation units which are susceptible of classification . Where , on the con- trary , natural selection has been weak or ...
... natural selection has operated in a ' gross and continual ' manner the result is to produce clearly differentiated vegetation units which are susceptible of classification . Where , on the con- trary , natural selection has been weak or ...
Contents
A RETROSPECT OF ECOLOGY | 3317 |
SCOPE AND Objectives of ECOLOGY | 3333 |
CONCEPTS USED IN ECOLOGY | 3340 |
Copyright | |
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Common terms and phrases
acid Africa algae alpine America amount analysis Angiosperms Antarctica Arctic association biotypes Calluna carbonate cent centre changes climate colloids competition complex continental Cretaceous density depth diploid dispersal distribution dominant ecological ecotypes edaphic effect endemic environment epilimnion Europe example factors families flora floristic floristic provinces forest frequency genera genetic genus geographical geological grassland growth habitat halophytes humidity humus hypolimnion important increase individuals lakes latitude layer limited lower metres migration mineral montane mountains mycorrhiza natural North America northern number of species occur oceanic organic origin peat period phosphate photosynthesis physiognomy plankton plant communities Plant Geography podsols polyploidy population quadrats radiation rainfall region relationships relatively relict roots salinity sample season seeds soil South surface taxonomic temperate temperature tion trees Tropic of Cancer Tropic of Capricorn tropical units variation vegetation wide zone