海岸防风固沙树种耐风吹阈值比较

周瑞莲, 强生斌, 逄金强, 宋玉

Comparison of tolerance threshold of coastal tree species with windbreak and sand fixation to strong wind-drift blowing

Ruilian Zhou, Shengbin Qiang, Jinqiang Pang, Yu Song

表2 不同时间强风沙流和净风吹袭下黑松、柽柳、紫穗槐和单叶蔓荆叶片落叶率比较

Table 2 Comparison of deciduous ratio of Pinus thunbergii, Tamarix chinensis, Amorpha fruticosa, Vitex trifolia under strong wind blowing and wind-drift blowing at the different time

植物 风吹类型 风吹时间/h 0~2 2~4 4~6 鲜重比/% 干重比/% 鲜重比/% 干重比/% 鲜重比/% 干重比/% 黑松(Pinus thunbergii) 净风吹袭 0.0±0.0c 0.0±0.0c 0.0±0.0c 0.0±0.0c 0.0±0.0c 0.0±0.0c 柽柳(Tamarix chinensis) 64.8±8.8ab 59.0±4.3ab 19.6±2.1a 21.2±1.6a 8.6±1.8b 10.4±1.0b 紫穗槐(Amorpha fruticosa) 77.9±2.6a 80.2±5.2a 10.3±1.6b 9.9±1.1b 11.8±1.2b 9.9±0.8b 单叶蔓荆(Vitex trifolia) 50.8±2.8b 47.6±3.2b 12.2±1.1b 13.3±1.9b 22.9±2.4a 21.9±1.5a 黑松(Pinus thunbergii) 风沙流吹袭 31.2±1.6c 30.2±1.7c 45.1±3.8b 46.1±2.6b 23.7±2.1b 23.6±2.1b 柽柳(Tamarix chinensis) 28.6±2.1c 23.6±2.5c 52.2±3.9a 53.7±3.1a 19.2±1.2b 22.8±1.8b 紫穗槐(Amorpha fruticosa) 69.0±4.6a 64.1±4.9a 11.2±1.6c 13.1±1.3c 19.9±2.3b 22.8±2.3b 单叶蔓荆(Vitex trifolia) 57.5±3.1b 54.2±4.7b 10.1±1.2c 11.2±1.1c 32.4±2.8a 34.6±2.8a