Biodiv Sci ›› 2011, Vol. 19 ›› Issue (3): 327-334. DOI: 10.3724/SP.J.1003.2011.08166
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Received:
2010-06-24
Accepted:
2010-10-29
Online:
2011-05-20
Published:
2013-12-10
Contact:
Weikai Bao
Xiaoli Yan, Weikai Bao. Ground bryophyte diversity in secondary birch forests in western Sichuan, China[J]. Biodiv Sci, 2011, 19(3): 327-334.
调查项目 Item | 次生桦木林地 Secondary birch forests | 岷江冷杉原始林 Primary fir forest | |||
---|---|---|---|---|---|
9-year | 22-year | 42-year | 300-year | ||
森林采伐时间 Felling time | 1998 | 1985 | 1965 | - | |
海拔 Elevation (m) | 3,765 | 3,405 | 2,769 | 3,740 | |
坡向 Aspect | NW25° | NW20° | NW10° | NW | |
坡度 Slope degree (°) | 28° | 36° | 30° | 17° | |
土壤类型 Soil type | 山地棕壤 Mountain brown soil |
Table 1 Fundamental information of investigated stands in Jinchuan County, Sichuan Province
调查项目 Item | 次生桦木林地 Secondary birch forests | 岷江冷杉原始林 Primary fir forest | |||
---|---|---|---|---|---|
9-year | 22-year | 42-year | 300-year | ||
森林采伐时间 Felling time | 1998 | 1985 | 1965 | - | |
海拔 Elevation (m) | 3,765 | 3,405 | 2,769 | 3,740 | |
坡向 Aspect | NW25° | NW20° | NW10° | NW | |
坡度 Slope degree (°) | 28° | 36° | 30° | 17° | |
土壤类型 Soil type | 山地棕壤 Mountain brown soil |
调查项目 Item | 次生桦木林 Secondary birch forests | 岷江冷杉原始林 Primary fir forest | |||
---|---|---|---|---|---|
9-year | 22-year | 42-year | 300-year | ||
乔木密度 Arbor density (ind./100 m2) | 46.7±4.3c | 19.3±6.4b | 16.3±1.6ab | 6.0±1.0a | |
乔木盖度 Arbor coverage (%) | 24.2±3.6a | 40.6±3.8ab | 49.4±11.0b | 45.0±7.6ab | |
灌木盖度 Shrub coverage (%) | 47.5±5.3 a | 26.0±11.2a | 28.8±10.1a | 46.3±8.1a | |
草本盖度 Herb coverage (%) | 19.6±4.5 ab | 38.9±2.8c | 36.6±8.4bc | 13.7±6.3a | |
凋落物盖度 Litter coverage (%) | 31.1±8.3a | 59.0±9.3b | 61.6±9.9b | 16.2±1.5a | |
苔藓植物盖度 Bryophyte coverage (%) | 34.25±2.90a | 20.67±4.83a | 22.64±7.30a | 86.64±7.96b |
Table 2 Characteristics of community structure in secondary birch forests and a primary fir forest in western Sichuan (mean ± SE, n = 3)
调查项目 Item | 次生桦木林 Secondary birch forests | 岷江冷杉原始林 Primary fir forest | |||
---|---|---|---|---|---|
9-year | 22-year | 42-year | 300-year | ||
乔木密度 Arbor density (ind./100 m2) | 46.7±4.3c | 19.3±6.4b | 16.3±1.6ab | 6.0±1.0a | |
乔木盖度 Arbor coverage (%) | 24.2±3.6a | 40.6±3.8ab | 49.4±11.0b | 45.0±7.6ab | |
灌木盖度 Shrub coverage (%) | 47.5±5.3 a | 26.0±11.2a | 28.8±10.1a | 46.3±8.1a | |
草本盖度 Herb coverage (%) | 19.6±4.5 ab | 38.9±2.8c | 36.6±8.4bc | 13.7±6.3a | |
凋落物盖度 Litter coverage (%) | 31.1±8.3a | 59.0±9.3b | 61.6±9.9b | 16.2±1.5a | |
苔藓植物盖度 Bryophyte coverage (%) | 34.25±2.90a | 20.67±4.83a | 22.64±7.30a | 86.64±7.96b |
物种组成 Species composition | 次生桦木林 Secondary birch forests | 岷江冷杉原始林 Primary fir forest | |||
---|---|---|---|---|---|
9-year | 22-year | 42-year | 300-year | ||
苔类 Hepatic | |||||
卷叶苔 Anastrepta orcadensis | 0.05 | - | - | 0.10 | |
挺叶苔 Anastrophyllum donianum | - | - | - | 0.01 | |
毛叉苔 Apometzgeria pubescens | - | 0.01 | 0.03 | - | |
双齿裂萼苔 Chiloscyphus latifolius | - | 0.02 | - | - | |
剪叶苔 Herbertus aduncus | - | - | - | 0.01 | |
细小叶苔 Jungermannia pumila | - | 0.12 | - | 0.01 | |
指叶苔 Lepidozia reptans | - | - | - | 0.02 | |
Lophozia fauriana | 0.01 | - | - | 0.01 | |
狭尖叉苔 Metzgeria consanguinea | - | 0.01 | - | - | |
中华羽苔 Plagiochila chinensis | - | - | 0.03 | - | |
圆叶羽苔 P. duthiana | 0.01 | - | - | 0.01 | |
小叶羽苔 P. devexa | - | - | - | 0.01 | |
林地合叶苔 Scapania nemorea | - | - | - | 0.01 | |
纤细小广萼苔 Tetralophozia filiformis | - | - | - | 0.01 | |
顶蒴藓类 Acrocarpous moss | |||||
银藓 Anomobryum filiforme | 0.01 | - | - | - | |
尖叶扭口藓 Barbula constricta | 0.02 | - | - | - | |
珠藓 Bartramia halleriana | 0.01 | - | - | 0.01 | |
绿珠藓 B. subulata | - | 0.01 | - | - | |
锯齿红叶藓 Bryoerythrophyllum dentatum | 0.01 | - | - | 0.02 | |
真藓 Bryum argenteum | 0.02 | 0.01 | - | - | |
卵蒴真藓 B. blindii | 0.03 | - | - | - | |
柔叶真藓 B. cellulare | 0.01 | - | - | - | |
直叶曲柄藓 Campylopus durelli | 0.01 | 0.01 | 0.01 | - | |
青毛藓 Dicranodontium denudatum | 0.01 | - | - | 0.01 | |
云南青毛藓 D. tenii | 0.01 | - | - | 0.02 | |
错那曲尾藓 Dicranum conanenum | 0.03 | - | - | 0.06 | |
双齿曲尾藓 D. diplospiniferum | 0.08 | - | - | 0.15 | |
马氏曲尾藓 D. mayrii | - | - | 0.01 | - | |
细叶曲尾藓 D. muehlenbeckii | - | 0.02 | - | - | |
粗对齿藓 Didymodon eroso-denticulatus | 0.01 | - | 0.01 | - | |
硬叶对齿藓 D. rigidulus | - | 0.05 | - | - | |
剑叶对齿藓 D. rufidulus | 0.02 | - | - | - | |
黄牛毛藓 Ditrichum pallidum | - | - | 0.003 | - | |
厚壁薄齿藓 Leptodontium flexifolium | 0.02 | - | - | - | |
长叶提灯藓 Mnium lycopodioides | - | 0.05 | 0.05 | - | |
具缘提灯藓 M. marginatum | - | - | 0.06 | - | |
刺叶提灯藓 M. spinosum | 0.04 | 0.01 | - | 0.07 | |
高山大丛藓 Molendoa sendtneriana | - | 0.01 | - | 0.01 | |
大曲背藓 Oncophorus virens | 0.06 | - | 0.01 | 0.01 | |
直毛藓 Orthodicranum montanum | - | - | 0.01 | - | |
拟白发藓 Paraleucobryum enerve | 0.04 | - | - | 0.09 | |
尖叶匐灯藓 Plagiomnium acutum | 0.01 | 0.09 | 0.34 | - | |
匐灯藓 P. cuspidatum | - | - | 0.08 | - | |
阔边匐灯藓 P. ellipticum | - | 0.04 | 0.01 | - | |
多蒴匐灯藓 P. medium | - | 0.01 | - | - | |
具喙匐灯藓 P. rhynchophorum | 0.01 | - | 0.12 | - | |
泛生丝瓜藓 Pohlia cruda | 0.08 | 0.02 | - | 0.01 | |
明齿丝瓜藓 P. hyaloperistoma | 0.01 | - | - | - | |
黄丝瓜藓 P. nutans | 0.04 | - | - | - | |
细拟合睫藓 Pseudosymblepharis duriuscula | 0.01 | 0.04 | 0.01 | - | |
大叶毛灯藓 Rhizomnium magnifolium | 0.04 | - | - | 0.02 | |
狭边大叶藓 Rhodobryum ontariense | - | 0.01 | 0.03 | - | |
圆蒴连轴藓 Schistidium apocarpum | - | 0.01 | - | - | |
合睫藓 Symblepharis vaginata | 0.02 | - | - | - | |
折叶纽藓 Tortella fragilis | 0.01 | - | - | - | |
纽藓 T. humilis | - | 0.01 | - | - | |
长叶纽藓 T. tortuosa | 0.01 | 0.01 | - | - | |
云南墙藓 Tortula yuennanensis | - | 0.01 | 0.01 | - | |
树形疣灯藓 Trachycystis ussuriensis | - | 0.12 | 0.07 | - | |
波边毛口藓 Trichostomum tenuirostre | 0.01 | 0.02 | - | - | |
侧蒴藓类 Pleurocarpous moss | |||||
山羽藓 Abietinella abietina | 0.08 | 0.01 | - | - | |
锦丝藓 Actinothuidium hookeri | 0.20 | 0.01 | 0.01 | 0.14 | |
尖叶青藓 Brachythecium coreanum | 0.04 | - | - | - | |
毛尖青藓 B. piligerum | 0.01 | 0.11 | 0.04 | 0.01 | |
脆枝青藓 B. thraustum | - | 0.02 | - | - | |
赤茎小锦藓 Brotherella erythrocaulis | - | - | 0.01 | - | |
密枝燕尾藓 Bryhnia serricuspis | - | 0.07 | 0.02 | - | |
匙叶毛尖藓 Cirriphyllum cirrosum | - | 0.01 | - | - | |
多胞绢藓 Entodon caliginosus | - | 0.02 | - | - | |
厚角绢藓 E. concinnus | 0.01 | 0.19 | 0.15 | - | |
狭叶美喙藓 Eurhynchium coarctum | - | 0.01 | 0.10 | - | |
羽枝美喙藓 E. longirameum | - | - | 0.05 | - | |
密叶美喙藓 E. savatieri | - | 0.01 | 0.12 | - | |
硬叶残齿藓 Forsstroemia producta | - | 0.01 | - | - | |
粗枝藓 Gollania clarescens | - | - | 0.01 | - | |
大粗枝藓 G. robusta | - | 0.06 | - | - | |
密枝粗枝藓 G. turgens | 0.01 | - | - | - | |
狭叶小羽藓 Haplocladium angustifolium | - | 0.05 | 0.03 | - | |
刀叶树平藓 Homaliodendron scalpellifolium | - | - | - | 0.01 | |
无疣同蒴藓 Homalothecium laevisetum | - | 0.02 | 0.02 | - | |
塔藓 Hylocomium splendens | 0.37 | - | - | 0.52 | |
钙生灰藓 Hypnum calcicola | 0.04 | - | - | - | |
长喙灰藓 H. fujiyamae | 0.01 | - | - | - | |
弯叶灰藓 H. hamulosum | - | 0.01 | - | - | |
大灰藓 H. plumaeforme | 0.01 | - | - | - | |
湿地灰藓 H. sakuraii | - | - | - | 0.24 | |
暗绿灰藓 H. tristo-viride | - | 0.02 | 0.03 | - | |
南亚孔雀藓 Hypopterygium tenellum | - | - | 0.01 | - | |
南亚同叶藓 Isopterygium bancanum | - | - | 0.01 | - | |
陕西白齿藓 Leucodon exaltatus | - | - | 0.02 | - | |
偏叶白齿藓 L. seucndus | - | - | 0.01 | - | |
中华白齿藓 L. sinensis | - | 0.01 | 0.01 | - | |
中华细枝藓 Lindbergia sinensis | - | 0.01 | - | - | |
毛尖粗枝蔓藓 Meteorium subpolytrichum | - | - | 0.01 | - | |
平藓 Neckera pennata | - | - | 0.01 | - | |
光叶拟平藓 Neckeropsis nitidula | - | - | 0.01 | - | |
疣悬藓 Neodicladiella pendula | - | 0.01 | - | - | |
中国木灵藓 Orthotrichum hookeri | - | 0.01 | 0.01 | - | |
褶叶藓 Palamocladium nilgheriense | 0.01 | - | - | - | |
扁平棉藓 Plagiothecium neckeroideum | 0.01 | - | - | 0.01 | |
赤茎藓 Pleurozium schreberi | - | - | - | 0.13 | |
半栉小金发藓 Pogonatum subfuscatum | - | - | 0.01 | - | |
厚栉拟金发藓 Polytrichastrum emodi | 0.02 | 0.01 | 0.01 | 0.02 | |
弯叶金灰藓 Pylaisiella falcata | - | 0.01 | - | 0.10 | |
长肋异齿藓 Regmatodon longinervis | - | - | 0.01 | - | |
拟垂枝藓 Rhytidiadelphus triquetrus | 0.06 | - | - | 0.04 | |
垂枝藓 Rhytidium rugosum | - | 0.02 | - | 0.09 | |
三洋藓 Sanionia uncinata | 0.34 | - | - | - | |
大羽藓 Thuidium cymbifolium | 0.14 | 0.70 | 0.56 | 0.05 | |
卷叶藓一种 Ulota sp. | - | - | - | 0.01 | |
总物种数 Total richness | 48 | 48 | 44 | 35 |
Appendix I Species composition and their importance values of ground bryophytes in secondary birch forests and a primary fir forest in western Sichuan
物种组成 Species composition | 次生桦木林 Secondary birch forests | 岷江冷杉原始林 Primary fir forest | |||
---|---|---|---|---|---|
9-year | 22-year | 42-year | 300-year | ||
苔类 Hepatic | |||||
卷叶苔 Anastrepta orcadensis | 0.05 | - | - | 0.10 | |
挺叶苔 Anastrophyllum donianum | - | - | - | 0.01 | |
毛叉苔 Apometzgeria pubescens | - | 0.01 | 0.03 | - | |
双齿裂萼苔 Chiloscyphus latifolius | - | 0.02 | - | - | |
剪叶苔 Herbertus aduncus | - | - | - | 0.01 | |
细小叶苔 Jungermannia pumila | - | 0.12 | - | 0.01 | |
指叶苔 Lepidozia reptans | - | - | - | 0.02 | |
Lophozia fauriana | 0.01 | - | - | 0.01 | |
狭尖叉苔 Metzgeria consanguinea | - | 0.01 | - | - | |
中华羽苔 Plagiochila chinensis | - | - | 0.03 | - | |
圆叶羽苔 P. duthiana | 0.01 | - | - | 0.01 | |
小叶羽苔 P. devexa | - | - | - | 0.01 | |
林地合叶苔 Scapania nemorea | - | - | - | 0.01 | |
纤细小广萼苔 Tetralophozia filiformis | - | - | - | 0.01 | |
顶蒴藓类 Acrocarpous moss | |||||
银藓 Anomobryum filiforme | 0.01 | - | - | - | |
尖叶扭口藓 Barbula constricta | 0.02 | - | - | - | |
珠藓 Bartramia halleriana | 0.01 | - | - | 0.01 | |
绿珠藓 B. subulata | - | 0.01 | - | - | |
锯齿红叶藓 Bryoerythrophyllum dentatum | 0.01 | - | - | 0.02 | |
真藓 Bryum argenteum | 0.02 | 0.01 | - | - | |
卵蒴真藓 B. blindii | 0.03 | - | - | - | |
柔叶真藓 B. cellulare | 0.01 | - | - | - | |
直叶曲柄藓 Campylopus durelli | 0.01 | 0.01 | 0.01 | - | |
青毛藓 Dicranodontium denudatum | 0.01 | - | - | 0.01 | |
云南青毛藓 D. tenii | 0.01 | - | - | 0.02 | |
错那曲尾藓 Dicranum conanenum | 0.03 | - | - | 0.06 | |
双齿曲尾藓 D. diplospiniferum | 0.08 | - | - | 0.15 | |
马氏曲尾藓 D. mayrii | - | - | 0.01 | - | |
细叶曲尾藓 D. muehlenbeckii | - | 0.02 | - | - | |
粗对齿藓 Didymodon eroso-denticulatus | 0.01 | - | 0.01 | - | |
硬叶对齿藓 D. rigidulus | - | 0.05 | - | - | |
剑叶对齿藓 D. rufidulus | 0.02 | - | - | - | |
黄牛毛藓 Ditrichum pallidum | - | - | 0.003 | - | |
厚壁薄齿藓 Leptodontium flexifolium | 0.02 | - | - | - | |
长叶提灯藓 Mnium lycopodioides | - | 0.05 | 0.05 | - | |
具缘提灯藓 M. marginatum | - | - | 0.06 | - | |
刺叶提灯藓 M. spinosum | 0.04 | 0.01 | - | 0.07 | |
高山大丛藓 Molendoa sendtneriana | - | 0.01 | - | 0.01 | |
大曲背藓 Oncophorus virens | 0.06 | - | 0.01 | 0.01 | |
直毛藓 Orthodicranum montanum | - | - | 0.01 | - | |
拟白发藓 Paraleucobryum enerve | 0.04 | - | - | 0.09 | |
尖叶匐灯藓 Plagiomnium acutum | 0.01 | 0.09 | 0.34 | - | |
匐灯藓 P. cuspidatum | - | - | 0.08 | - | |
阔边匐灯藓 P. ellipticum | - | 0.04 | 0.01 | - | |
多蒴匐灯藓 P. medium | - | 0.01 | - | - | |
具喙匐灯藓 P. rhynchophorum | 0.01 | - | 0.12 | - | |
泛生丝瓜藓 Pohlia cruda | 0.08 | 0.02 | - | 0.01 | |
明齿丝瓜藓 P. hyaloperistoma | 0.01 | - | - | - | |
黄丝瓜藓 P. nutans | 0.04 | - | - | - | |
细拟合睫藓 Pseudosymblepharis duriuscula | 0.01 | 0.04 | 0.01 | - | |
大叶毛灯藓 Rhizomnium magnifolium | 0.04 | - | - | 0.02 | |
狭边大叶藓 Rhodobryum ontariense | - | 0.01 | 0.03 | - | |
圆蒴连轴藓 Schistidium apocarpum | - | 0.01 | - | - | |
合睫藓 Symblepharis vaginata | 0.02 | - | - | - | |
折叶纽藓 Tortella fragilis | 0.01 | - | - | - | |
纽藓 T. humilis | - | 0.01 | - | - | |
长叶纽藓 T. tortuosa | 0.01 | 0.01 | - | - | |
云南墙藓 Tortula yuennanensis | - | 0.01 | 0.01 | - | |
树形疣灯藓 Trachycystis ussuriensis | - | 0.12 | 0.07 | - | |
波边毛口藓 Trichostomum tenuirostre | 0.01 | 0.02 | - | - | |
侧蒴藓类 Pleurocarpous moss | |||||
山羽藓 Abietinella abietina | 0.08 | 0.01 | - | - | |
锦丝藓 Actinothuidium hookeri | 0.20 | 0.01 | 0.01 | 0.14 | |
尖叶青藓 Brachythecium coreanum | 0.04 | - | - | - | |
毛尖青藓 B. piligerum | 0.01 | 0.11 | 0.04 | 0.01 | |
脆枝青藓 B. thraustum | - | 0.02 | - | - | |
赤茎小锦藓 Brotherella erythrocaulis | - | - | 0.01 | - | |
密枝燕尾藓 Bryhnia serricuspis | - | 0.07 | 0.02 | - | |
匙叶毛尖藓 Cirriphyllum cirrosum | - | 0.01 | - | - | |
多胞绢藓 Entodon caliginosus | - | 0.02 | - | - | |
厚角绢藓 E. concinnus | 0.01 | 0.19 | 0.15 | - | |
狭叶美喙藓 Eurhynchium coarctum | - | 0.01 | 0.10 | - | |
羽枝美喙藓 E. longirameum | - | - | 0.05 | - | |
密叶美喙藓 E. savatieri | - | 0.01 | 0.12 | - | |
硬叶残齿藓 Forsstroemia producta | - | 0.01 | - | - | |
粗枝藓 Gollania clarescens | - | - | 0.01 | - | |
大粗枝藓 G. robusta | - | 0.06 | - | - | |
密枝粗枝藓 G. turgens | 0.01 | - | - | - | |
狭叶小羽藓 Haplocladium angustifolium | - | 0.05 | 0.03 | - | |
刀叶树平藓 Homaliodendron scalpellifolium | - | - | - | 0.01 | |
无疣同蒴藓 Homalothecium laevisetum | - | 0.02 | 0.02 | - | |
塔藓 Hylocomium splendens | 0.37 | - | - | 0.52 | |
钙生灰藓 Hypnum calcicola | 0.04 | - | - | - | |
长喙灰藓 H. fujiyamae | 0.01 | - | - | - | |
弯叶灰藓 H. hamulosum | - | 0.01 | - | - | |
大灰藓 H. plumaeforme | 0.01 | - | - | - | |
湿地灰藓 H. sakuraii | - | - | - | 0.24 | |
暗绿灰藓 H. tristo-viride | - | 0.02 | 0.03 | - | |
南亚孔雀藓 Hypopterygium tenellum | - | - | 0.01 | - | |
南亚同叶藓 Isopterygium bancanum | - | - | 0.01 | - | |
陕西白齿藓 Leucodon exaltatus | - | - | 0.02 | - | |
偏叶白齿藓 L. seucndus | - | - | 0.01 | - | |
中华白齿藓 L. sinensis | - | 0.01 | 0.01 | - | |
中华细枝藓 Lindbergia sinensis | - | 0.01 | - | - | |
毛尖粗枝蔓藓 Meteorium subpolytrichum | - | - | 0.01 | - | |
平藓 Neckera pennata | - | - | 0.01 | - | |
光叶拟平藓 Neckeropsis nitidula | - | - | 0.01 | - | |
疣悬藓 Neodicladiella pendula | - | 0.01 | - | - | |
中国木灵藓 Orthotrichum hookeri | - | 0.01 | 0.01 | - | |
褶叶藓 Palamocladium nilgheriense | 0.01 | - | - | - | |
扁平棉藓 Plagiothecium neckeroideum | 0.01 | - | - | 0.01 | |
赤茎藓 Pleurozium schreberi | - | - | - | 0.13 | |
半栉小金发藓 Pogonatum subfuscatum | - | - | 0.01 | - | |
厚栉拟金发藓 Polytrichastrum emodi | 0.02 | 0.01 | 0.01 | 0.02 | |
弯叶金灰藓 Pylaisiella falcata | - | 0.01 | - | 0.10 | |
长肋异齿藓 Regmatodon longinervis | - | - | 0.01 | - | |
拟垂枝藓 Rhytidiadelphus triquetrus | 0.06 | - | - | 0.04 | |
垂枝藓 Rhytidium rugosum | - | 0.02 | - | 0.09 | |
三洋藓 Sanionia uncinata | 0.34 | - | - | - | |
大羽藓 Thuidium cymbifolium | 0.14 | 0.70 | 0.56 | 0.05 | |
卷叶藓一种 Ulota sp. | - | - | - | 0.01 | |
总物种数 Total richness | 48 | 48 | 44 | 35 |
300-year | 9-year | 22-year | 42-year | |
---|---|---|---|---|
300-year | 0.51 | 0.24 | 0.13 | |
9-year | 21 | 0.29 | 0.24 | |
22-year | 10 | 14 | 0.50 | |
42-year | 5 | 11 | 23 |
Table 3 Common bryophyte species (below diagonal) and similarity coefficient (above diagonal) in different aged secondary birch forests and a primary fir forest in western Sichuan
300-year | 9-year | 22-year | 42-year | |
---|---|---|---|---|
300-year | 0.51 | 0.24 | 0.13 | |
9-year | 21 | 0.29 | 0.24 | |
22-year | 10 | 14 | 0.50 | |
42-year | 5 | 11 | 23 |
9-year | 22-year | 42-year | 300-year | ||
---|---|---|---|---|---|
苔藓层盖度 Bryophyte coverage | 乔木层盖度 Arbor coverage (%) | 0.19 | -0.62 | 0.11 | |
灌木层盖度 Shrub coverage (%) | 0.07 | -0.08 | 0.19 | 0.03 | |
草本层盖度 Herb coverage (%) | 0.11 | 0.03 | -0.20 | 0.03 | |
草本层丰富度 Herb richness (No./Plot) | 0.25 | 0.41* | -0.12 | 0.11 | |
凋落物盖度 Litter coverage (%) | -0.02 | -0.64** | -0.67** | -0.06 | |
苔藓层丰富度 Bryophyte richness | 乔木层盖度 Arbor coverage (%) | -0.14 | -0.03 | -0.26* | |
灌木层盖度 Shrub coverage (%) | -0.07 | -0.07 | 0.09 | 0.02 | |
草本层盖度 Herb coverage (%) | 0.14 | -0.09 | -0.18 | 0.20 | |
草本层丰富度 Herb richness (No./Plot ) | 0.32* | 0.29* | -0.13 | 0.14 | |
凋落物盖度 Litter coverage (%) | 0.21 | -0.45** | -0.39** | -0.41** |
Table 4 Nonparametric Spearman correlation coefficient between ground bryophyte and vascular plants in secondary birch forests and the nearby primary fir forest (n = 60)
9-year | 22-year | 42-year | 300-year | ||
---|---|---|---|---|---|
苔藓层盖度 Bryophyte coverage | 乔木层盖度 Arbor coverage (%) | 0.19 | -0.62 | 0.11 | |
灌木层盖度 Shrub coverage (%) | 0.07 | -0.08 | 0.19 | 0.03 | |
草本层盖度 Herb coverage (%) | 0.11 | 0.03 | -0.20 | 0.03 | |
草本层丰富度 Herb richness (No./Plot) | 0.25 | 0.41* | -0.12 | 0.11 | |
凋落物盖度 Litter coverage (%) | -0.02 | -0.64** | -0.67** | -0.06 | |
苔藓层丰富度 Bryophyte richness | 乔木层盖度 Arbor coverage (%) | -0.14 | -0.03 | -0.26* | |
灌木层盖度 Shrub coverage (%) | -0.07 | -0.07 | 0.09 | 0.02 | |
草本层盖度 Herb coverage (%) | 0.14 | -0.09 | -0.18 | 0.20 | |
草本层丰富度 Herb richness (No./Plot ) | 0.32* | 0.29* | -0.13 | 0.14 | |
凋落物盖度 Litter coverage (%) | 0.21 | -0.45** | -0.39** | -0.41** |
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