Study on Species Composition and Diversity of Mild Burned phytocoenosium after Different Regeneration Years

doi:10.13466/j.cnki.lyzygl.2017.03.016

Abstract

Abstract:

In this study,mild burned larixgmelinii forest areas were studies in different regeneration years.The natural regeneration conditions,community structure characteristics,species composition,community biodiversity were observed and researched in 2015.The results showed that the alpha diversity index of community each layer in different regeneration years showed a ranking of herb layer > shrub layer > tree layer.The total number of species went up with the passage of time to recover a trend of increase gradually.This trend mainly appears in the herb to shrub layer,but in the tree layer is not obvious.The number of species in the herbaceous layer was lower than that of the control plot except 1996L,while the number of species in the shrub layer was equal to that in the control plot.The other three restoration years were larger than the control plots.In general,mild fire interference is conducive to vegetation regeneration and succession.

Key words: Larixgmelini forest, burned area, species composition, diversity of species

CLC Number:

WANG Ding, WANG Zixuan, FENG Qianqian, SHU Yang, GE Peng, ZHANG Bo, ZHOU Mei, ZHAO Pengwu. Study on Species Composition and Diversity of Mild Burned phytocoenosium after Different Regeneration Years[J]. FOREST RESOURCES WANAGEMENT, 2017, (3): 80-85.

Figures/Tables 4

Tab.1

Tab.2

Species composition and importance value of mild burned phytocoenosium after different regenerate years

层次	物种	试验处理
层次	物种	2012L	2009L	2003L	1996L	CK
乔木层	兴安落叶松(Larix gmelini)	0.8417	0.8040	0.8342	0.7132	0.8832
	白桦(Betula platyphylla)	0.0000	0.1960	0.1658	0.2049	0.1168
	山杨(Populus davidiana)	0.1583	0.0000	0.0000	0.0819	0.0000
灌木层	杜香(Ledum palustre)	0.6780	0.0000	0.2230	0.0000	0.0000
	山刺玫(Rosa davurica)	0.0000	0.7027	0.0774	0.1937	0.0000
	笃斯越橘(Va ccinium uliginosum)	0.0000	0.0000	0.0000	0.1424	0.0000
	胡枝子(Lespedeza bicolor Turcz)	0.0000	0.0000	0.2824	0.0000	0.0000
	柴桦(Betula fruticosa)	0.0582	0.0000	0.1832	0.0000	0.6567
	越橘(Vaccinium vitis-idaea)	0.2639	0.1335	0.1864	0.0000	0.0000
	线叶绣线菊(Spiraea thunbergii)	0.0000	0.1638	0.0000	0.6639	0.3433
草本层	老鹳草(Geranium Wilfordii Maxim.)	0.0000	0.0000	0.1310	0.0000	0.0020
	林问荆(Eguisetum sylvalicum L.)	0.0000	0.0000	0.0000	0.1026	0.0020
	小叶章(Deyeuxia angustifolia)	0.0000	0.1920	0.1964	0.3867	0.0771
	柳兰(Epilobium angustifolium L.)	0.0000	0.0512	0.0000	0.0175	0.0000
	早熟禾(Poa annua L.)	0.0000	0.5741	0.2857	0.2808	0.0000
	地榆(Sanguisorba officinalis L.)	0.0000	0.0000	0.0000	0.0303	0.0000
	瓣蕊唐松草(rum petaloideum L.)	0.0000	0.0512	0.0000	0.0000	0.0000
	金莲花(Trollius chinensis)	0.0000	0.0679	0.0000	0.0000	0.0000
	手参(Gymnadenia conopsea)	0.0000	0.0000	0.2798	0.0175	0.0000
	日阴菅(Carex pediformis)	1.0000	0.0000	0.0000	0.0000	0.1629
	裂叶蒿(Artemisia tanacetifolia Linn.)	0.0000	0.0000	0.1071	0.0741	0.0000
	山野豌豆(Viciaa moena Fisch.ex DC.)	0.0000	0.0000	0.0000	0.0225	0.0000
	凤毛菊(Saussurea japonica Thunb)	0.0000	0.0000	0.0000	0.0136	0.1383
	蚊子草(Filipendul apalmata (Pall)Maxim.)	0.0000	0.0000	0.0000	0.0000	0.0918
	玉竹(Polygonatumod oratum (Mill.)Druce)	0.0000	0.0636	0.0000	0.0000	0.0000
	草芍药(Paeonia obovata Maxim.)	0.0000	0.0000	0.0000	0.0612	0.0000
	红花鹿蹄草(Pyrola incarttata)	0.0000	0.0000	0.0000	0.0000	0.1431
	山尖子(Cacalia hastata L.)	0.0000	0.0000	0.0000	0.0000	0.0759

Tab.2

Fig.1

Fig.2

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