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金发草枝构件格局及其环境变异
陈红;李绍才;彭丽;王海洋
1.西南农业大学园艺园林学院;2.四川省励自生态技术有限公司;3.西南农业大学园艺园林学院 重庆400716;4.四川成都610000;5.重庆400716
摘要:
研究分析了岩生植物金发草的枝构件特征,结果表明:金发草的分枝角度一般在 30°以内,节间距小于6 cm,平均每节有1个分枝,分枝率约为3;随植物生长级别加大,金发草枝构件空间分形维数逐步从1.282递增到1.664;在林下、陡坡、荒坡的生境条件下,植物枝构件构型特征有明显区别,在林下趋于“游击型”,在荒坡和陡坡上趋于“聚集型”。
关键词:  金发草    枝构件    格局    分形    适应策略
DOI:
分类号:
Fund project:国家科技攻关课题“岩石创面生态护坡技术开发”(2002BA901A40);“西部荒坡荒地植被快速恢复技术开发及示范”(2003BA901A30);; 四川省励自生态技术有限公司金发草研究项目
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