| 英文摘要 |
The Taiwan Red- and Yellow-Cypress are the most important coniferous trees of Taiwan and producing ideal construction timbers of particular usefulness in subtropical countries for anti-termites. Unfortunately these valuable trees, for some reasons or the others to be studied, are now tending to be exterminating. Hence the following problems call for a critical study; 1. Why is Taiwan Cypress endemic to Taiwan and not occurred in any other part of the world? 2. Why are they now exterminating? 3. How to maintain proper forest management and adequate silivicultural method to reserve these valuable species? |
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