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題名 | 臺灣地區稀有及瀕危植物種類之認定與保護等級之評定=Criteria and Measure for Assessing Rare and Threatened Plant Species in Taiwan |
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作者 | 賴明洲; Lai, Ming-jou; |
期刊 | 東海學報 |
出版日期 | 19960700 |
卷期 | 37:6(農學院) 民85.07 |
頁次 | 頁73-111 |
分類號 | 371.5 |
語文 | chi |
關鍵詞 | 稀有; 瀕危; 植物; 評定; 臺灣; Rare; Threatened; Plants; Assessment; Taiwan; |
中文摘要 | 針對臺灣地區(包括蘭嶼、綠島、澎湖)有關稀有及保護上重要之植物種類之認定與 分級評定,本文研究結果如下: 一、稀有植物種類之認定 此必須就其稀有程度(Rarity)與危險性(Danger degree)兩項因素同時予以考 慮之。 (一)依時間及空間分佈上的稀有程度而認定者。 (二)依危險性之理由而認定者。 二、保護等級之評定 各國植物紅皮書中均有其地區性自訂之評級或保護指標,然目前仍以IUCN 1978年 所訂之評級最廣受採用。其通用之評級為1.絕滅級(Extinct, Ex);2.瀕危級 (Endangered, E);3.漸危級(Vulnerable, V);4.稀有級(Rare, R);5.未定級 (Indeterminate, I)。 三、臺灣地區稀有及瀕危植物保護等級之評定結果 本文僅就省產的四千多種維管束植物(包括蕨類及種子植物--即裸子植物和被子植 物兩種)依其稀有程度及危險性兩項因素評選之,計區分為絕滅級者3種,瀕危級者14種 ,漸危級者61種,稀有級者425種,合計共為503種。 |
英文摘要 | Rarity and danger degree are the two major factors to be cnsidered for identifying the rare and threatened plant species. Criteria for assessing the rarity could be examplified by: 1) Relics, remnants or disjuncts 2) Narrow endemics 3) Species on the edge of their range 4) Small population species Criteria for measuring the danger degree could be categorized as: 1) Development such as logging, destruction of grassland, destruction of wetland, mining, construction of dum for electric and water supply, construction of road. 2) Collecting such as for horticulture or for pharmacy. 3) Others, such as succession, herbivory by naturalized animals, or unknown. The IUCN Red Data Book categories Ex, E, V, R and I are used for designating the protection index of the rare and threatened plant species. About 12% of the Taiwanese vascular flora, 503 species in all, seem to be rare and threatened. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。