湖南省沅陵县石漠化地区马尾松幼林生长状况研究
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摘要
以沅陵县凉水井镇的5年生马尾松和檫木混交林为对象,抽取不同石漠化程度下的马尾松作为实验样本进行研究.结果表明:随着石漠化程度的减轻,该地区马尾松幼林的树高、胸径和冠幅均会增加,不同石漠化程度地区间的胸径、冠幅和树高差异均很大.
The mixed forest of the 5-year-old Pinus massoniana and Sassafras tzumu in Liangshuijing town of Yuanling County was taken as the object,and P.massoniana under different degrees of rocky desertification was selected as the experimental sample for study. The results showed that all of the tree height,diameter at breast height and crown diameter of the P. massoniana young forest in this area increased with the reduction of rocky desertification degree,and all of the difference among the diameter at breast height,crown diameter and tree height in different rocky desertification areas were significant.
The mixed forest of the 5-year-old Pinus massoniana and Sassafras tzumu in Liangshuijing town of Yuanling County was taken as the object,and P.massoniana under different degrees of rocky desertification was selected as the experimental sample for study. The results showed that all of the tree height,diameter at breast height and crown diameter of the P. massoniana young forest in this area increased with the reduction of rocky desertification degree,and all of the difference among the diameter at breast height,crown diameter and tree height in different rocky desertification areas were significant.
引文
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[3]覃勇荣,王燕,刘旭辉,等.马尾松对喀斯特石漠化地区土壤有机质的影响[J].中国农学通报,2009,25(5):104-109.Tan Y R,Wang Y,Liu X H,et al.Masson pine on soil organic matter in rocky desertification area of Karst[J].Chinese Agronomy Bulletin,2009,25(5):104-109.
[4]姜磊玉,姜端午,曹进.湖南省石漠化分布特征及治理对策[J].国土资源导刊,2016,13(4):25-28.Jiang L Y,Jiang D W,Cao J.Distribution characteristics and countermeasures of rocky desertification in Hunan province[J].Land Resources Guide,2016,13(4):25-28.
[5]谢攀.湖南省吉首市石漠化综合治理模式研究[D].长沙:中南林业科技大学,2015.Xie P.Study on comprehensive treatment of rocky desertification in Jishou,Hunan[D].Changsha:Central South University of Forestry and Technology,2015.
[6]胡晓健,欧阳献,喻方圆.干旱胁迫对不同种源马尾松苗木生长及生物量的影响[J].江西农业大学学报,2010,32(3):510-516.Hu X J,Ouyang X,Yu F Y.Effects of drought stress on growth and biomass of Pinus massoniana seedlings from different provenances[J].Journal of Jiangxi Agricultural University,2010,32(3):510-516.
[7]张英普,何武权,韩健.水分胁迫对玉米生理生态特性的影响[J].西北水资源与水工程,1999(3):18-21.Zhang Y P,He W Q,Han J.Effects of water stress on physiological and ecological characteristics of maize[J].Northwestern Water Resources and Water Engineering,1999(3):18-21.
[8]王淼,代力民,姬兰柱,等.长白山阔叶红松林主要树种对干旱胁迫的生态反应及生物量分配的初步研究[J].应用生态学报,2001,12(4):496-500.Wang M,Dai L M,Ji L Z,et al.A preliminary study on the ecological responses and biomass allocation of drought stress in the broad-leaved pine forest of Changbai Mountain[J].Applied Ecology Journal,2001,12(4):496-500.
[9]吴敏,张文辉,周建云,等.干旱胁迫对栓皮栎幼苗细根的生长与生理生化指标的影响[J].生态学报,2014,34(15):4 223-4 233.Wu M,Zhang W H,Zhou J Y,et al.Effects of drought stress on the growth and physiological and biochemical indexes of root growth and physiological and biochemical indexes of Quercus acutissima seedlings[J].Journal of Ecology,2014,34(15):4 223-4 233.
[10]秦平书.石漠化对马尾松幼林生长的影响[J].湖南林业科技,2015,42(6):82-85.Qin P S.Influence of rocky desertification on the growth of Pinus massoniana young forest[J].Hunan Forestry Science and Technology,2015,42(6):82-85.
[11]邹彪,张兆国,张德国,等.几种松树在建水县石漠化地区生长状况研究[J].林业调查规划,2008,33(6):55-58.Zou B,Zhang Z G,Zhang D G,et al.Study on the growth of several pine trees in the rocky desertification area of Jianshui County[J].Forestry Investigation and Planning,2008,33(6):55-58.