Pamphlets on Forestry, Volume 41991 |
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Page 391
... bog water varies from .00015 to .00258 normal acid . The lowest values are found in areas covered by bog sedges and swamp plants , and they are approximately the same . The highest occur under the tamaracks . The variations in acidity ...
... bog water varies from .00015 to .00258 normal acid . The lowest values are found in areas covered by bog sedges and swamp plants , and they are approximately the same . The highest occur under the tamaracks . The variations in acidity ...
Page 417
... bog areas are being continually added by the interference of the moving dunes with drainage lines . And these new areas frequently contain a number of the bog plants . This , however , does not invalidate the explanation here suggested .
... bog areas are being continually added by the interference of the moving dunes with drainage lines . And these new areas frequently contain a number of the bog plants . This , however , does not invalidate the explanation here suggested .
Page 417
... bog plants , so that they became practically the only competitors for the low - ground situations . The preservation of the bog societies in poorly drained situa- tions down to the present time seems to be due ( 1 ) to the lower ...
... bog plants , so that they became practically the only competitors for the low - ground situations . The preservation of the bog societies in poorly drained situa- tions down to the present time seems to be due ( 1 ) to the lower ...
Contents
The Huron River valley 351 | 351 |
their development and ecological conditions | 360 |
The bog plant societies | 429 |
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Common terms and phrases
2d whorl 4th whorl abundant acidity aggregate ray Alnus aments annual ring apex Aronia basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledons drainage drained factors Fagales fiber bundles foliar ray forest formation glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lower Michigan moraine occur parenchyma parenchyma cells peat perianth periderm phloem pine Pinus piñon Pinus rigida pith rays plant societies Platanus plates present Quercus radial region resin canals roots rows Salix sapwood scattered sclerenchyma sclerotic sedge shrubs sieve tubes soil species specimens sphagnum stem stone cells substratum surface swamp tamarack temperature thick tissue tracheids trees trunk tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone μ μ μ