湖南舜皇山野生红豆杉的物种多样性及分布格局
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摘要
通过对湖南舜皇山野生红豆杉所分布的红豆杉+红椿群落(甲)、红豆杉+白楠群落(乙)、红豆杉-朱砂根+苦糖果群落(丙)与红豆杉-大叶冷水花+大叶贯众群落(丁)4个群落的物种多样性及分布格局进行调查与分析。结果表明:(1)Patrick丰富度指数(R)的大小顺序为:丁>丙>甲(=乙)(P<0.05),Simpson多样性指数(D)为:甲(≈乙)>丁>丙(P<0.05),Shannon-Wiener多样性指数(H)为:丙(≈丁)>甲(≈乙)(P<0.05),Pielou均匀度指数(E)为:甲(≈乙)>丙(≈丁)(P<0.05);(2)甲、乙2个群落呈均匀分布格局,而丙、丁2个群落呈聚集分布格局。聚集强度(K)、聚集指数(I)、平均拥挤度(m*)与格林指数(GI)的大小顺序均为:丙(≈丁)>甲(≈乙)(P<0.05)。该结论将丰富植物生态学内容,以期为野生红豆杉的保护提供理论依据。
The author investigated and analyzed the species diversity and distribution patterns of Lagerstroemia indica + Toona ciliate community(first), Lagerstroemia indica Lagerstroemia indica + Phoebe neurantha community(second), Lagerstroemia indica-Ardisia crenata + Lonicera fragrantissima community(third) and Lagerstroemia indica-Pilea hookeriana + Cyrtomium macrophyllum community(fourth) in Shunhuang mountain, Hunan. The results showed that:(1) Patrick richness index(R) followed the order of fourth>third>first(=second)(P<0.05), Simpson diversity index(D) followed the order of first(≈second)>fourth>third(P<0.05), Shannon-Wiener diversity index(H) followed the order of third(≈fourth) >first(≈second)(P<0.05), Pielou evenness index(E) followed the order of first(≈second)>third(≈fourth)(P<0.05);(2) the first and second community had evenness distribution pattern, and the third or fourth community had aggregation distribution pattern; the aggregation intensity(K), aggregation index(I), mean crowding(m*)and Green index(GI) were followed the order as third(≈fourth)>first(≈second)(P<0.05). This study can enrich and broaden the vegetation ecology to some degree, and provide a basis for the protection of wildlife Lagerstroemia indica.
The author investigated and analyzed the species diversity and distribution patterns of Lagerstroemia indica + Toona ciliate community(first), Lagerstroemia indica Lagerstroemia indica + Phoebe neurantha community(second), Lagerstroemia indica-Ardisia crenata + Lonicera fragrantissima community(third) and Lagerstroemia indica-Pilea hookeriana + Cyrtomium macrophyllum community(fourth) in Shunhuang mountain, Hunan. The results showed that:(1) Patrick richness index(R) followed the order of fourth>third>first(=second)(P<0.05), Simpson diversity index(D) followed the order of first(≈second)>fourth>third(P<0.05), Shannon-Wiener diversity index(H) followed the order of third(≈fourth) >first(≈second)(P<0.05), Pielou evenness index(E) followed the order of first(≈second)>third(≈fourth)(P<0.05);(2) the first and second community had evenness distribution pattern, and the third or fourth community had aggregation distribution pattern; the aggregation intensity(K), aggregation index(I), mean crowding(m*)and Green index(GI) were followed the order as third(≈fourth)>first(≈second)(P<0.05). This study can enrich and broaden the vegetation ecology to some degree, and provide a basis for the protection of wildlife Lagerstroemia indica.
引文
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[18]杨宁,陈璟,杨满元,等.贵州雷公山秃杉林不同林冠环境下箭竹分株种群结构特征[J].西北植物学报,2013,33(11):2326-2331.
[19]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地植被恢复阶段土壤特性的演变[J].生态学报,2014,34(10):2693-2701.
[20]杨宁,付美云,杨满元,等.衡阳紫色土丘陵坡地不同土地利用模式下土壤种子库特征[J].西北植物学报,2014,34(11):2324-2330.
[21]陈璟,杨宁.衡阳紫色土丘陵坡地植被恢复过程中土壤质量评价[J].草地学报,2018,26(1):160-167.
[22]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地恢复过程中土壤微生物生物量与土壤养分演变[J].林业科学,2014,50(12):144-150.
[2]杨宁,邹冬生,杨满元,等.贵州雷公山秃杉的种群结构和空间分布格局[J].西北植物学报,2011,31(10):2100-2105.
[3]刘忠霞,刘建朝,胡景江.干旱胁迫对苹果树苗活性氧代谢及渗透调节的影响[J].西北林学院学报,2013,28(2):15-19.
[4]杨宁,邹冬生,付美云,等.紫色土丘陵坡地恢复中土壤团聚体特征及其与土壤性质的关系[J].生态学杂志,2016,35(9):2361-2368.
[5]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地不同植被恢复阶段土壤微生物群落多样性的变化[J].林业科学,2016,52(8):146-156.
[6]孟好军,刘建泉,刘贤德,等.祁连山青海云杉群落物种组成及α多样性垂直分布[J].生态环境学报,2011,20(3):435-440.
[7]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地不同恢复阶段植被特征与土壤性质的关系[J].应用生态学报,2013,24(1):90-96.
[8]杨宁,邹冬生,李建国.衡阳盆地紫色土丘陵坡地自然恢复灌丛阶段主要种群空间分布格局[J].生态环境学报,2009,18(3):996-1001.
[9]叶万辉.物种多样性与植物群落的维持机制[J].生物多样性,2000,8(1):17-24.
[10]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地不同植被恢复阶段土壤酶活性特征研究[J].植物营养与肥料学报,2013,19(6):1516-1524.
[11]杨满元,杨宁.紫色土丘陵坡地不同植被类型土壤活性有机碳组分的比较[J].草地学报,2018,26(2):380-385.
[12]杨宁,邹冬生,李建国,等.衡阳盆地紫色土丘陵坡地主要植物群落自然恢复演替进程中种群生态位动态[J].水土保持通报,2010,30(4):87-93.
[13]汪洋,闫魁星,滕家喜,等.鄂西北濒危植物红椿天种群动态分析[J],植物资源与环境学报,2016,25(3):96-102.
[14]王兵,郑秋红,郭浩,等.基于Shannon-Wiener指数的中国森林物种多样性保育价值评估方法[J].林业科学研究,2008,21(2):268-274.
[15]杨宁,杨满元,邹冬生,等.紫色土丘陵坡地恢复过程中土壤微生物生物量碳与水溶性有机碳变化特征[J].草地学报,2016,24(4):812-818.
[16]宋玲玲,田青,李宗杰.岷山摩天岭北坡东南部植物群落α多样性与地形特征的关系[J].甘肃农业大学学报,2017,52(3):67-74.
[17]周会萍,牛德奎,张继红,等.湿地松人工林群落林下植被物种多样性研究[J].江西农业大学学报,2006,28(1):78-83.
[18]杨宁,陈璟,杨满元,等.贵州雷公山秃杉林不同林冠环境下箭竹分株种群结构特征[J].西北植物学报,2013,33(11):2326-2331.
[19]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地植被恢复阶段土壤特性的演变[J].生态学报,2014,34(10):2693-2701.
[20]杨宁,付美云,杨满元,等.衡阳紫色土丘陵坡地不同土地利用模式下土壤种子库特征[J].西北植物学报,2014,34(11):2324-2330.
[21]陈璟,杨宁.衡阳紫色土丘陵坡地植被恢复过程中土壤质量评价[J].草地学报,2018,26(1):160-167.
[22]杨宁,邹冬生,杨满元,等.衡阳紫色土丘陵坡地恢复过程中土壤微生物生物量与土壤养分演变[J].林业科学,2014,50(12):144-150.