Ecological Aspects of Bird Distribution in Tropical Africa
The general conclusion to be drawn from my map is that although temperature may be a distributional factor of weight, it acts most visibly along certain critical lines, as that, for instance, where occasional frosts first occur. Such a line may be a rough boundary for the tropical life zone, altitud...
| Veröffentlicht in: | The American Naturalist. - University of Chicago Press. - 57(1923), 649, Seite 106-125 |
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| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
1923
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| Zugriff auf das übergeordnete Werk: | The American Naturalist |
| Schlagworte: | Biological sciences Environmental studies Physical sciences |
| Online verfügbar |
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