珠海市城区风景游憩林三维绿量与林下游憩空间量特征  

Characteristics of the three-dimensional green quantity and recreation space for landscape-recreational forests in Zhuhai City

作　　者：赵庆[1] 章驰 胡柔璇 许东先 钱万惠 魏玉晗[2] 唐洪辉[1] ZHAO Qing;ZHANG Chi;HU Rouxuan;XU Dongxian;QIAN Wanhui;WEI Yuhan;TANG Honghui(Guangdong Provincial Key Laboratory of Silviculture Protection and Utilization,Guangdong Academy of Forestry,Guangzhou 510520,Guangdong,China;Lingnan Integrated Exploration and Design Institute of Guangdong,Guangzhou 510663,Guangdong,China)

机构地区：[1]广东省林业科学研究院广东省森林培育与保护利用重点实验室,广东广州510520 [2]广东省岭南综合勘察设计院,广东广州510663

出　　处：《浙江农林大学学报》2021年第3期534-540,共7页Journal of Zhejiang A&F University

基　　金：广东省林业科技创新项目(2019KJCX009)。

摘　　要：【目的】明确不同生态位风景游憩林的三维绿量(3DGQ)和林下游憩空间量(FRS)特征,揭示风景游憩林构建的规律和存在的问题。【方法】采用群落生态学的方法分别在广东省珠海市前山公园(13个样方)、北理工珠海学院(14个样方)和梅华城市公园(26个样方)设置风景游憩林群落研究林地,结合高分遥感影像,进行每木调查。测算三维绿量和林下游憩空间量,分析不同区位风景游憩林的差异。【结果】位于城市近郊区(UFA)的前山公园风景游憩林单位面积绿量最低。单木绿量较大的树种有白兰Michelia×alba、小叶榕Ficus microcarpa、樟树Cinnamomum camphora、荔枝Litchi chinensis、非洲楝Khaya senegalensis、高山榕Ficus altissima、凤凰木Delonix regia、阴香Cinnamomum burmannii。3个研究林地三维绿量分布有一定差异,位于城市核心区(CUA)的梅华城市公园三维绿量分布较均匀;树木胸径与其三维绿量呈正相关,相关系数与树种树冠形状有关。凤凰木、美丽异木棉Ceiba speciosa、木棉Bombax ceiba和秋枫Bischofia javanica的空间分配策略为林下游憩空间占据绝对优势,白兰的空间分配策略有较强的多样性。【结论】随着研究林地地理位置由城市核心向城市近郊过渡,单位面积三维绿量逐渐减小,绿量分布迅速趋于集中;胸径与三维绿量的正相关关系受树冠形态影响;风景游憩林构建过程中,冠层空间和林下游憩空间的分配应结合树种特点进行。[Objective] This study is aimed to clarify the three-dimensional green quantity(3 DGQ) and the characteristics of forest recreation space(FRS) of landscape-recreational forests at different niches, and reveal the rules of constructing landscape-recreation forests and the existing problems. [Method] On the basis of the community ecology theory, with 13, 14 and 26 sample plots selected from Qianshan Park, Zhuhai Institute of BIT, and Meihua City Park respectively as the subjects, each tree was surveyed using high-resolution remote sensing images before 3 DGQ and FRS were calculated to analyze the differences between different location of landscape-recreation forests. [Result] Qianshan Park, located in the core urban area(CUA), had the lowest 3 DGQ density. Michelia × alba, Ficus microcarpa, Cinnamomum camphora, Litchi chinensis, Khayasenegalensis, Ficus altissima, Delonix regia and Cinnamomum burmannii displayed high values of 3 DGQ. The three sites showed different spatial distributions of 3 DGQ, and Meihua City Park which was located in the core urban area had relatively even distribution of 3 DGQ than the others. There was a positive correlation between DBH and 3 DGQ, which was related to the crown shapes of trees. In terms of the spatial allocation, for D. regia,Ceiba speciose, Bombax ceiba and C. camphora, superiority was given to FRS, while for M. ×alba, various spatial allocation strategies were adopted. [Conclusion] The 3 DGQ density decreases while the distribution of3 DGQ showed a strong central tendency with the location of landscape-recreational forests shifting from the core urban area to the sub-urban area(SUA) and finally to urban fringe area(UFA). The correlation coefficient between DBH and 3 DGQ is related to the crown shapes of tree species and the features of different tree species in the progress of the construction of landscape-recreation forest should be taken into consideration in the allocation of canopy space and recreation space.

关 键 词：风景游憩林 三维绿量 林下游憩空间量 空间分配策略 

分 类 号：S731.2[农业科学—林学]