摘要
浙江淳安千岛湖库区生物防火林带的主要类型有木荷防火林带(类型Ⅰ)、木荷-苦槠防火林带(类型Ⅱ)、桂花-峨嵋含笑防火林带(类型Ⅲ)和桂花防火林带(类型Ⅳ)4种类型;类型Ⅱ和类型Ⅲ的物种多样性明显高于类型Ⅰ和类型Ⅳ;与地带性常绿阔叶林树种组成相似度比较,以类型Ⅱ最高,类型Ⅰ次之;千岛湖森林的阔叶化改造对于提高林地防火效能具有积极的意义。因此,建议千岛湖库区森林生物防火林带建设应选择以类型Ⅱ的物种多样性较丰富、防火效能好、与地带性常绿阔叶林自然植被相似程度较高的生物防火林带,重视林下连蕊茶、隔药柃、杨桐、乌饭树等常绿阔叶小乔木的保育,实现防火林带建设与阔叶化林相改造相协调发展。
Investigation indicates that the main four types of biological fire-resistant forest belt in Thousand-isles Lake district are Schima superba fire-resistant forest belt（typeⅠ）,S.superba-Castanopsis sclerophylla fire-resistant forest belt （typeⅡ）,Osmanthus fragrans-Michelia wilsoni fire-resistant forest belt （type Ⅲ） and O.fragrans fire-resistant forest belt （type Ⅳ）.Of the four types of fire-resistant forest belt,typeⅡand type Ⅲ are higher in species diversity than type Ⅰand typeⅣ.As to the extent of similarity with the native evergreen broad-leave forest,typeⅡranking first and typeⅠ takes the second place.The transformation of forest of Thousand-isles Lake broad-leaf forest would improve the fireproofing effectiveness of fire-resistant forest belt,thus it was suggested that the construction biological fire-resistant forest belt in Thousand-isles Lake reservoir district should focus on typeⅡ belt,which had high species diversity,high fire performance ability and high similarity with native evergreen broad-leaved forest.Further,the conservation of the small arbor trees of evergreen broad-leaved of undergrowth such as Camellia fraternal,Eurya muricata,Cleyera japonica,Vaccinium bracteatum should be emphasized,by which the fire-resistant forest belt construction should be achieved in coordination of development.
出处
《南京林业大学学报（自然科学版）》
CAS
CSCD
北大核心
2010年第5期153-156,共4页
Journal of Nanjing Forestry University：Natural Sciences Edition
基金
杭州市重大科技攻关项目(20052112A11)
关键词
淳安千岛湖
生物防火林带
阔叶化改造
物种多样性
Chunan Thousand-isles Lake
biological fire-resistant forest belt
transformation to broad-leaf forest
species diversity
