Textbook of Theoretical Botany, Volume 4 |
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Page 3434
... analysis , on the other hand , do concern themselves with the internal affairs of the community . They are not , as is often represented , an opposition to classification , which seeks to define the existence of distinct communities ...
... analysis , on the other hand , do concern themselves with the internal affairs of the community . They are not , as is often represented , an opposition to classification , which seeks to define the existence of distinct communities ...
Page 3471
... analysis to reveal . Whatever its nature , the recognition of non - random dispersion is only the first step , a pointer towards the ecological problems which require solution . Contagious disper- sion has too often been dismissed as ...
... analysis to reveal . Whatever its nature , the recognition of non - random dispersion is only the first step , a pointer towards the ecological problems which require solution . Contagious disper- sion has too often been dismissed as ...
Page 3485
... analysis which has become known as ' hierarchical ' grouping . A large number of quadrats are recorded and the species associations estimated by 2 × 2 contingency tables , as before described . A matrix table is then drawn up showing ...
... analysis which has become known as ' hierarchical ' grouping . A large number of quadrats are recorded and the species associations estimated by 2 × 2 contingency tables , as before described . A matrix table is then drawn up showing ...
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