| 作 者： | Henry Chandler Cowle |
| 出版社： | 高等教育出版社 |
| 丛编项： | |
| 版权说明： | 本书为公共版权或经版权方授权，请支持正版图书 |
| 标 签： | 暂缺 |
| ISBN | 出版时间 | 包装 | 开本 | 页数 | 字数 |
|---|---|---|---|---|---|
| 未知 | 暂无 | 暂无 | 未知 | 0 | 暂无 |
I.Introduction
II. General features of the coast of Lake Michigan.
I. The ecological factors.
LIGHT AND HEAT
WIND
SOIL
WATER
OTHER FACTORS.
IV. The plant societies.·
ATHE BEACH
1. The lower beach
2. The middle beach
3. The upper beach
4. Fossil beaches
B.THE EMBRYONIC OR STATIONARY BEACH DUNES.
1. Dunes ofrapid growth (primary embryonic dunes..
2. Dunes of slow growth (secondary embryonic dunes)
C.THE ACTIVE OR WANDERING DUNES.THE DUNE COMPLEX
1. Transformation of stationary into wandering dunes
2.Physical and biological features of the dune-complex
3. Encroachment on preexisting plant societies
4. Capture of the dune-complex by vegetation
D. THE ESTABLISHED DUNES
1. The basswood-maple series
2. The evergreen series
3. The oak dunes
V. Conclusion
VI. Previous studies of sand dune floras
BIBLIOGRAPHY
