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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wang, R.Z. |
| Copyright Year | 2003 |
| Abstract | Floristic composition, life forms for C$_{4}$ species, and the pattern of altitude distribution were studied on Tibetan Plateau. 79 species, in 7 families and 46 genera, were identified with C$_{4}$ photosynthesis. 95 % of these C$_{4}$ species belong to Gramineae (51 species), Cyperaceae (14 species), and Chenopodiaceae (10 species), indicating that C$_{4}$ plants mainly occur in very few families (7 of 204) on the Tibetan Plateau. High altitude distribution for all the Chenopodiaceae C$_{4}$ species (> 3 000 m above sea level) suggests that plants of this kind have large tolerance to cold, dryness, and strong ultraviolet radiation. Most Gramineae and Cyperaceae C$_{4}$ species occurrences are consistent with extensive distribution of steppes and meadows in the vast flat of the central Plateau (1 000–3 000 m a.s.l.). Relatively high amount of hemicryptophyte form plants (44 %) in the region indicates that the vegetation, especially grassland, meadows, and steppe, are in good condition. There is a strong relationship between numbers of C$_{4}$ species and altitude in the Tibetan Plateau. Occurrence of C$_{4}$ species is significantly less in both high and low altitude plateaux in Tibet. Altitude distribution pattern for C$_{4}$ species in the region is not only consistent with the altitude and climate, but also with the vegetation types in altitude gradient. |
| Starting Page | 21 |
| Ending Page | 26 |
| Page Count | 6 |
| File Format | |
| ISSN | 03003604 |
| Journal | Photosynthetica |
| Volume Number | 41 |
| Issue Number | 1 |
| e-ISSN | 15739058 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2003-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | Plant Physiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science |
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