人工梭梭（ <strong><i>Haloxylon ammodendron</i></strong> ）林建植对荒漠土壤特征的长期影响

人工梭梭（ Haloxylon ammodendron ）林建植对荒漠土壤特征的长期影响

周晓甘, 罗永忠, 马全林, 刘继亮, 任嘉隆, 王子婷, 严祺涵, 秦畅, 翟家祺

Long-term effects of the introduction of Haloxylon ammodendron on desert soil characteristics

Xiaogan Zhou, Yongzhong Luo, Quanlin Ma, Jiliang Liu, Jialong Ren, Ziting Wang, Qihan Yan, Chang Qin, Jiaqi Zhai

表1 流动沙丘、固定沙丘和不同栽植年限梭梭林生境植被群落特征

Table 1 Vegetation community characteristics of mobile sandy dunes， fixed sandy dunes， and Haloxylon ammodendron plantations of different ages

指标	FSD	MSD	HA5	HA10	HA20	HA30
梭梭幼苗密度/(株/100 m²)	0.00±0.00^b	0.00±0.00^b	0.00±0.00^b	0.00±0.00^b	0.83±0.72^b	3.08±3.94^a
灌木密度/(株/100 m²)	0.00±0.00^f	4.67±1.44^e	32.92±1.88^a	21.58±1.00^b	10.92±1.83^c	6.50±2.97^d
灌木物种丰富度	0.00±0.00^d	1.92±0.51^ab	1.75±0.75^b	2.33±0.65^a	1.83±0.72^b	1.00±0.00^c
灌木盖度/%	0.00±0.00^f	18.42±7.76^e	50.00±5.22^c	56.25±7.42^b	65.00±9.53^a	38.33±7.18^d
草本盖度/%	2.00±0.00^bc	4.33±1.30^a	2.67±1.07^b	1.42±0.51^c	2.50±1.07^bc	4.25±2.80^a
草本物种丰富度	1.00±0.00^d	1.67±0.65^b	1.25±0.45^cd	1.00±0.00^d	1.50±0.67^bc	2.42±0.51^a