Study on Species Diversity and Aboveground Biomass of Burned Phytocoenosium under Different Burntwood Management Modes —Taking Frigid-temperate Zone Larix gmelini as an Example

doi:10.13466/j.cnki.lyzygl.2018.04.006

Abstract

Abstract:

In this study,Larix gmelinii forest burned areas were observed under different firewood management modes.The natural regeneration conditions,species composition,aboveground biomass,community biodiversity were researched in 2016.The results showed that the similarity of understory community under the burntwood selective cutting mode compared with unburned area showed the highest.The alpha diversity index of community at each layer under different burntwood management modes showed a ranking of herb layer > shrub layer.The simpson and shannon-wiener indexes in herb shrub layers were increased compared with unburned area,while the two indices are larger than the unburned area in the shrub layer.After thirteen years,the understory herb layer biomass was less than that of the control plot,while the shrub layer biomass increased to varying degrees compared to the control plot.

Key words: Larix gmelini forest, burned area, burntwood management, diversity of species, aboveground biomass

CLC Number:

S718.55 ⁺6

WANG Zixuan, ZHOU Mei, ZHAO Pengwu, WANG Ding, YANG Lei, DING Zhaohua. Study on Species Diversity and Aboveground Biomass of Burned Phytocoenosium under Different Burntwood Management Modes —Taking Frigid-temperate Zone Larix gmelini as an Example[J]. FOREST RESOURCES WANAGEMENT, 2018, (4): 28-33.

Figures/Tables 4

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Tab.2

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References 14

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样地编号	实验样地	海拔 /m	坡度 /(°)	坡向	植被类型
2003C	火烧木皆伐	754	12	半阴坡	兴安落叶松林
2003S	火烧木择伐	752	13	半阴坡	兴安落叶松林
2003N	火烧木未伐	760	13	半阴坡	兴安落叶松林
2003CK	未火烧对照	747	8	半阴坡	兴安落叶松林

植被类型	植被名称	2003C	2003S	2003N	2003CK
	1脚苔草(Carex pediformis)	√	√	√	√
	2林地早熟禾(Poa nemoralis)				√
	3小叶章(Deyeuxia angustifolia)	√	√	√	√
	4长柱沙参(Adenophora stenanthina)	√	√	√	√
	5轮叶沙参(Adenophora tetraphylla)			√	√
	6广布野豌豆(Vicia cracca)		√	√
	7大叶野豌豆(Vicia pseudorobus)		√	√	√
	8细叶野豌豆(Vicia tenuifolia)		√	√
	9五脉山黧豆(Lathyrus quinquenervius)			√
	10毛景天(Sedum selskianum)	√
	11疏毛女娄菜(Silene firma var. pubescens)	√	√	√
	12地榆(Sanguisorba officinalis var. officinalis)	√	√	√	√
草本	13凤毛菊(Saussurea japonica)	√			√
	14高山蓍草(Achillea alpina)		√	√	√
	15裂叶蒿(Artemisia tanacetifolia)			√
	16大叶铁线莲(Clematis heracleifolia)		√	√
	17二叶舞鹤草(Maianthemum bifolium)		√		√
	18东方草莓(Fragaria orientalis)		√		√
	19毛蕊老鹳草(Geranium platyanthum)		√		√
	20细叶鸢尾(Iris tenuifolia)				√
	21辽藁本(Ligusticum jeholense)				√
	22红花鹿蹄草(Pyrola incarnata)				√
	23白头翁(Pulsatilla chinensis)				√
	24草问荆(Equisetum pratense)				√
	25金莲花(Trollius chinensis)				√
	1杜香(Ledum palustre)	√
	2笃斯越桔(Vaccinium uliginosum)	√	√
	3兴安杜鹃(Rhododendron dauricum)	√	√	√
	4绣线菊(Spiraea salicifolia)	√	√	√	√
	5越桔(Vaccinium Vitis-Idaea)	√			√
灌木	6山刺玫(Rosa davurica var.setacea)	√	√	√	√
	7黑茶藨子(Ribes nigrum)	√	√	√
	8蓝靛果(Lonicera caerulea var.edulis)		√	√
	9金露梅(Potentilla fruticose var.fruticosa)		√	√
	10石生悬钩子(Rubus saxatilis)		√		√
	合计/种数	14	21	19	22

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