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当前位置: 首页 > 文章 > 4种植被恢复模式对贵州石漠化地区表层土壤有机碳氮的影响研究 林业资源管理 2016 (5) 47-52+70
Position: Home > Articles > Effect of 4 Kinds of Vegetation Restoration Patterns on the Topsoil Organic Carbon and Nitrogen in Rocky Desertification Region of Guizhou Province Forest Resources Management 2016 (5) 47-52+70

4种植被恢复模式对贵州石漠化地区表层土壤有机碳氮的影响研究

作  者：
吕文强;唐金刚;罗时琴;林涛;周传艳
单  位：
贵州省山地资源研究所
关键词：
植被恢复模式;土壤碳氮含量;土壤碳氮储量;石漠化地区;贵州省
摘  要：
对酥李(Prunus salicina)、核桃(Juglans cathayensis)、石榴(Punica granatum)以及西番莲(Passiflora caerulea)等4种植被治理石漠化模式下土壤有机碳氮含量、密度以及储量进行了研究,结果表明,4种植被恢复模式下:土壤有机碳含量大小顺序为酥李模式>西番莲模式>核桃模式>石榴模式,土壤全氮含量差异较小;0~10 cm层土壤有机碳氮含量和密度均大于10~20 cm层;土壤有机碳和全氮储量最高的分别为酥李模式(54.31t/hm2)和西番莲模式(6.21t/hm2);土壤有机碳和全氮储量最低的均为石榴模式,分别为49.77t/hm2和5.66 t/hm2。相对而言,酥李模式和西番莲模式是土壤有机碳氮储存能力较高的两种植被恢复模式。
译  名：
Effect of 4 Kinds of Vegetation Restoration Patterns on the Topsoil Organic Carbon and Nitrogen in Rocky Desertification Region of Guizhou Province
作  者：
L Wenqiang;TANG Jingang;LUO Shiqin;LIN Tao;ZHOU Chuanyan;Institute of Guizhou Mountain Resources;
关键词：
vegetation restoration patterns;;soil carbon and nitrogen content;;soil carbon and nitrogen storage;;rocky desertification region;;Guizhou Province
摘  要：
The topsoil contents,densities and storage of soil organic carbon( SOC) and total nitrogen( TN)of four different vegetation restoration patterns,i. e.,Prunus salicina,Juglans cathayensis,Punica granatum and Passiflora caerulea were studied in rocky desertification region in Guizhou Province. The results showed that the contents of SOC under four different vegetation restoration patterns were in the order of Prunus salicina > Passiflora caerulea > Juglans cathayensis > Punica granatum,while the contents of TN did not differ much. SOC and TN contents and densities in the 0 ~ 10 cm soil layer were higer in the10 ~ 20 cm soil layer in each of the four vegetation restoration patterns. SOC storage in the topsoil layer was the highest( 54. 31 t / hm2) in Prunus salicina,and TN storage in the topsoil layer was the highest(6. 21 t /hm2) in Passiflora caerulea. Both SOC and TN storage were the lowest in Punica granatum,with49. 77 t / hm2 and 5. 66 t / hm2 respectively. Prunus salicina and Passiflora caerulea were both comparative better vegetation restoration patterns in the process of vegetation restoration and reconstruction in the rocky desertification region of Guizhou Province.

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