西南师范大学学报(自然科学版)
西南師範大學學報(自然科學版)
서남사범대학학보(자연과학판)
Journal of Southwest China Normal University (Natural Science Edition)
2015年
9期
108-114
,共7页
潭獐峡国家级风景名胜区%种子植物%区系特征
潭獐峽國傢級風景名勝區%種子植物%區繫特徵
담장협국가급풍경명성구%충자식물%구계특정
the Tanzhangxia national scenic area%seed plants%floristic characteristic
在对潭獐峡国家级风景名胜区种子植物详细调查、标本采集及鉴定的基础上,对其科、属的分布区类型进行统计分析,其种子植物区系特征为:①区系成分丰富,有137科,538属,996种;包括10种科的分布区类型和15种属的分布区类型.②单种科属和寡种属优势明显.③具古老性和残遗性.④科分布区类型以热带分布为主,属分布区类型以温带分布为主;同时,有许多分布区亚型及间断分布类型,呈现出明显的过渡性质.⑤特有属比较丰富,具有较高保护价值.
在對潭獐峽國傢級風景名勝區種子植物詳細調查、標本採集及鑒定的基礎上,對其科、屬的分佈區類型進行統計分析,其種子植物區繫特徵為:①區繫成分豐富,有137科,538屬,996種;包括10種科的分佈區類型和15種屬的分佈區類型.②單種科屬和寡種屬優勢明顯.③具古老性和殘遺性.④科分佈區類型以熱帶分佈為主,屬分佈區類型以溫帶分佈為主;同時,有許多分佈區亞型及間斷分佈類型,呈現齣明顯的過渡性質.⑤特有屬比較豐富,具有較高保護價值.
재대담장협국가급풍경명성구충자식물상세조사、표본채집급감정적기출상,대기과、속적분포구류형진행통계분석,기충자식물구계특정위:①구계성분봉부,유137과,538속,996충;포괄10충과적분포구류형화15충속적분포구류형.②단충과속화과충속우세명현.③구고로성화잔유성.④과분포구류형이열대분포위주,속분포구류형이온대분포위주;동시,유허다분포구아형급간단분포류형,정현출명현적과도성질.⑤특유속비교봉부,구유교고보호개치.
The seed plants have been collected and classified in Tanzhangxia scenic and historic interest area of Chongqing .The flora distribution types at the level of family and genera have been studied .The results show that the flora are considerably rich ,including 996 species ,w hich belonged to 137 families and 538 fenera .T here are 10 distribution types of family and 15distribution types of genera .T he dominant family and genera are prominent .T he origin of its flora is very ancient .T he characteristics of distribution types of family took on obvious tropical nature ,however ,the genera owned temperate nature .Many sbutypes and interrupt distribution types showed obvious transitional character .The endemic genera and species are abundant ,so it ow ned highly value and should be paid more attention to protect them .