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題 名 | 岩生秋海棠在臺中大坑之分布現況調查=The Distribution of Begonia Ravenii Peng& Chen (Begoniaceae) in Dakeng, Taichung |
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作 者 | 李大維; | 書刊名 | 中臺學報 |
卷 期 | 16:2 民93.12 |
頁 次 | 頁1-15 |
分類號 | 377.2243 |
關鍵詞 | 岩生秋海棠; 大坑; 分布; 生育地; Begonia ravenii Peng & Chen; Dakeng; Distribution; Habitat; |
語 文 | 中文(Chinese) |
中文摘要 | 岩生秋海棠(Begonia ravenii Peng & Chen)為台灣特有種植物,在西部的新竹至高雄間之低,中海拔山區有採集記錄。本研究調查岩生秋海棠在台中大坑地區之分布現況。經實地調查,在12條主要道路及產業道路共記錄了51處生育地,其中以濁水巷有11處生育地為最多,若依行政轄區則以東山里有29處居首。岩生秋海棠在本區多分布於次生闊葉林,但在竹林、果園、檳榔園亦有分布,多生長在陡峭而潮濕之岩壁,土壁或擋土牆上,在環境適宜處常形成大面積之族群,因而無立即之危機。不過,由於其常生長於路旁,包括天然災害、工程施工、害蟲防治及雜草防除均可能破壞生育地而危及其生存,因此對其族群狀況應予監測與保育。 |
英文摘要 | Begonia ravenii Peng & chen (Begoniaceae) is endamic species at low to medium altitude of mountain range, from Hsinchu Hsien (County) to Kaohsiung Hsien (County) in western part of Taiwan. This study is the survey of the distribution of B. ravenii in Dakeng, Taichung. Fifty-one habitats were recorded, and the elevation of habitats were from 220 to550 m. In the twelve routes, the Cho-Shui Shiang (Lane) has eleven habitats and more than the other eleven route. By the administrative district, in Tung-Shan Li (Village), twenty-nine habitats were recorded and more than the other four. B. ravenii is often found in the forest margins, but also found in bamboo groove, orchard and betal-nut grove, It grows in moist shallow soil on steep slopes or rocks, but also on the concrete wall. In the suitable environment, it can form large population. The main factors threatening this plant in Dakeng were natural disaster, engineering construction, harmful insects prevention and weeds control. |
本系統中英文摘要資訊取自各篇刊載內容。