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自然草甸对花卉混播群落建植的启示
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摘要
自然草甸群落结构层次丰富,外貌华丽优美,生态效益显著,是花卉混播群落建植的主要学习对象。对我国北方典型的自然草甸进行调查,发现中生环境中草甸群落的植物种类和数量最多,群落形成典型的三亚层结构。干旱环境和湿生环境中禾本科植物和莎草科植物所占比例更大,群落结构分为两个亚层。因此在建植花卉混播群落过程中,一定要根据不同的生境条件在群落物种构成、群落密度和群落层次结构等方面进行不同的设计,构建适应具体生境条件的具备各自特色的混播植物群落。
Natural meadows have the advantages of magnificent appearance,rich structures and remarkable ecological benefits.A typical natural meadow on North China was investigated and analyzed to explore the guidance of natural meadows on flower meadows establishment.It was found that the plant species and numbers are largest in the meadow communities of model environment,which the structure is divided into three layers typically.The meadow communities being divided into two sub layers in arid and humid environment own great proportions of grasses and sedges.In order to establish flower meadows possessing characteristics which adapt to specific habitation in gardens,the communities' species composition,density and structure should be designed according to different habitations.
引文
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