山西太岳山脱皮榆群落的功能多样性

doi:10.11983/CBB15033

摘要/Abstract

摘要： 功能多样性是生物多样性的重要组成部分, 是连接生物多样性和生态系统功能的桥梁。以山西太岳山脱皮榆(Ulmus lamellosa)群落为研究对象, 选取生境类型、种子扩散方式、传粉方式、固氮类型、生活史、生活型、叶型、植物高度、盖度、开花期和花期时长11个功能性状, 采用FAD指数、Rao’s指数、SL指数以及CL指数比较了7个群丛的功能多样性差异, 并分析了脱皮榆群落的功能多样性海拔梯度格局。结果表明: (1) 从群丛I到群丛VII, FAD指数、SL指数以及CL指数减小, Rao’s指数增大, 均表明功能多样性呈下降趋势; (2) 脱皮榆群落的功能多样性海拔梯度格局明显, 海拔升高, 功能多样性降低。

关键词: 脱皮榆群落, 功能多样性, 功能性状, 太岳山

Abstract: As a component of biodiversity, plant functional diversity is considered a key factor in understanding the link between ecosystem functioning and biodiversity. In this study, we researched the functional diversity of the Ulmus lamellosa community in the Taiyue Mountain area of Shanxi. We investigated 11 traits, including habitat type, spread of seeds, pollination, type of nitrogen fixation, life history, life form, leaf type, plant height, coverage, flowering period and flowering time. The functional diversity of 7 U. lamellosa associations and the elevation pattern were analyzed by using FAD, Rao’s, SL and CL indices. Results showed that, the FAD, SL, CL indices decreased from association I to VII, and the Rao’s indices increased, and both implied the functional diversity decreased in this order. Regression models indicated that elevation was the primary determinant of the functional diversity, and functional diversity decreased with increasing elevation.

Key words: Ulmus lamellosa community, functional diversity, functional trait, Taiyue Mountain

张钦弟, 段晓梅, 白玉芳, 王祎玲, 张金屯. 山西太岳山脱皮榆群落的功能多样性. 植物学报, 2016, 51(2): 218-225.

Qindi Zhang, Xiaomei Duan, Yufang Bai, Yiling Wang, Jintun Zhang. Functional Diversity of Ulmus lamellosa Community in the Taiyue Mountain of Shanxi. Chinese Bulletin of Botany, 2016, 51(2): 218-225.

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链接本文: https://www.chinbullbotany.com/CN/10.11983/CBB15033

https://www.chinbullbotany.com/CN/Y2016/V51/I2/218

图/表 6

参考文献 31

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Orientation grade	Direction	Angle (º)
1	North	247.5-292.5
2	Northeast	292.5-337.5
3	Northwest	202.5-247.5
4	East	337.5-22.5
5	West	157.7-202.5
6	Southeast	22.5-67.5
7	Southwest	112.5-157.5
8	South	67.5-112.5

Orientation grade	Direction	Angle (º)
1	North	247.5-292.5
2	Northeast	292.5-337.5
3	Northwest	202.5-247.5
4	East	337.5-22.5
5	West	157.7-202.5
6	Southeast	22.5-67.5
7	Southwest	112.5-157.5
8	South	67.5-112.5

Functional characteristics type	Type of data	Plant functional types and characteristics assignment
Habitat types	Name	1: Rock area; 2: Fertile farmland; 3: Grassland; 4: In the scrub; 5: Understory
The spread of seeds	Name	1: Automatic spread; 2: Weight spread; 3: Wind spread; 4: Animal spread
Pollination	Name	1: Anemophily; 2: Insect
The type of nitrogen fixation	Two meta	0: No nitrogen fixation; 1: Nitrogen fixation
Life history	Name	1: Annual; 2: Biennial; 3: Perennial
Life form	Name	1: Tree; 2: Shrub; 3: Liana; 4: Perennial herb; 5: Annual herb
Leaf type	Name	1: Needle; 2: Broadleaf
Plant height	Numerical	With cm as a unit
Coverage	Numerical	Percentage of coverage
Flowering period	Numerical	The month begins to blossom
Flowering time	Numerical	Number of months of flowering

Functional characteristics type	Type of data	Plant functional types and characteristics assignment
Habitat types	Name	1: Rock area; 2: Fertile farmland; 3: Grassland; 4: In the scrub; 5: Understory
The spread of seeds	Name	1: Automatic spread; 2: Weight spread; 3: Wind spread; 4: Animal spread
Pollination	Name	1: Anemophily; 2: Insect
The type of nitrogen fixation	Two meta	0: No nitrogen fixation; 1: Nitrogen fixation
Life history	Name	1: Annual; 2: Biennial; 3: Perennial
Life form	Name	1: Tree; 2: Shrub; 3: Liana; 4: Perennial herb; 5: Annual herb
Leaf type	Name	1: Needle; 2: Broadleaf
Plant height	Numerical	With cm as a unit
Coverage	Numerical	Percentage of coverage
Flowering period	Numerical	The month begins to blossom
Flowering time	Numerical	Number of months of flowering

Association type	Species	Plot	Elevation (m)
I	Ass. Ulmus lamellosa-Euonymus alatus-Carex lanceolata	1, 15-17, 20, 21, 23, 39	1179-1453
II	Ass. Ulmus lamellosa-Lonicera elisae-Smilacina japonica	2-14, 18, 36	1150-1400
III	Ass. Ulmus lamellosa-Lonicera szechuanica-Carex lanceolata	19, 25-34, 37, 38, 40, 41	1301-1458
IV	Ass. Ulmus lamellosa-Philadelphus incanus+Lonicera szechuanica-Carex lanceolata+Smilacina japonica	22, 24, 42, 44, 52	1360-1525
V	Ass. Ulmus lamellosa-Lonicera szechuanica-Carex lanceolata+ Smilacina japonica	35, 45, 47, 50, 51, 53, 60	1416-1627
VI	Ass. Ulmus lamellosa-Lonicera szechuanica- Carex lanceolata+Allium victorialis	43, 46, 48, 49, 59	1514-1600
VII	Ass. Ulmus lamellosa+Carpinus cordata-Viburnum schensianum- Carex lanceolata	54-58	1550-1637