Resource Utilization Characteristics of Dominant Species in Cinnamomum migao Community

doi:10.7525/j.issn.1673-5102.2021.03.008

Abstract

Abstract:

To illuminate the niche of Cinnamomum migao community， to understand the utilization characteristics of the community for protecting and managing C.migao， the resource utilization characteristics of the main species in the community were analyzed， with the survey data of C.migao natural forest community in Guizhou Province. C.migao， Maesa japonica and Smilax china， with the largest niche breadths， dominated the community with strong competitiveness and resource utilization ability； the greater the niche breadth was， the greater the niche overlap was. Yet under the same or similar environmental conditions， the species pairs with smaller niche breadth value could also have relatively high niche overlap. The low niche overlap index of main species in C.migao community indicated that the similarity of resource utilization among species was low， the niche of species was clearly differentiated without fierce competition， the community structure was relatively stable， and the species could coexist well.

Key words: Cinnamomum migao, utilization of resources, important value, niche breadth, niche overlap

CLC Number:

S718.5

Ji-Ming LIU, Huan LIU, Li-Xia LI. Resource Utilization Characteristics of Dominant Species in Cinnamomum migao Community[J]. Bulletin of Botanical Research, 2021, 41(3): 380-386.

Figures/Tables 5

Table 1

Table 2

Table 3

Fig.1

Table 4

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样地Plot	样地面积 Plot area（m²）	海拔 Altitude（m）	经度 Longitude（E）	纬度 Latitude（N）	坡度 Slope（°)	郁闭度 Canopy density
平艾村Pingai Village1	1 000	757	106°35′43″	25°17′19″	28	0.63
平艾村Pingai Village2	600	783	106°35′42″	25°17′20″	45	0.83
新光村Xinguang Village	1 000	710	106°31′39″	25°26′51″	38	0.80
打忙村Damang Village	1 000	1 006	105°40′07″	25°20′15″	36	0.81
连环村Lianhuan Village	1 000	996	105°40′06″	25°20′16″	25	0.64
红旗村Hongqi Village	1 000	741	105°47′09″	25°00′21″	26	0.76
由么村Youmo Village	900	1 022	105°57′43″	25°15′35″	20	0.68
蔗香村Zhexiang Village	400	827	106°16′37″	25°04′00″	20	0.86
甲料村Jialiao Village	1 000	663	108°15′03″	25°29′18″	30	0.72

种名 Name of species	编号 No.	重要值 Importance value									Total（Σ）	生态位宽度 Niche breadth
种名 Name of species	编号 No.	S1	S2	S3	S4	S5	S6	S7	S8	S9	Total（Σ）	B_(L)i	B_a
枫香L. formosana	1	0.19	0.15	0.16	－	0.12	0.80	0.10	—	0.09	1.61	0.38	0.30
米槁C. migao	2	0.17	0.06	0.11	0.06	0.10	0.18	0.12	0.12	0.31	1.23	0.88	0.86
杜茎山M. japonica	3	0.09	0.20	0.09	0.06	0.11	0.04	—	—	0.14	0.73	0.70	0.66
杉木C. lanceolata	4	—	0.08	0.04	0.46	0.09	—	—	—	—	0.67	0.22	0.12
油桐V. fordii	5	0.17	0.23	0.13	—	—	—	—	—	0.07	0.60	0.38	0.31
椤木石楠P. davidsoniae	6	0.02	0.06	—	0.28	0.19	—	—	—	—	0.55	0.29	0.20
青檀P. tatarinowii	7	—	—	—	—	—	—	—	0.43	0.09	0.52	0.16	0.05
地桃花U. lobata	8	0.04	0.17	0.08	—	—	0.21	—	—	—	0.50	0.34	0.26
油茶C. oleifera	9	0.02	—	0.23	0.09	—	—	0.10	—	—	0.44	0.30	0.21
菝葜S. china	10	—	0.08	—	0.04	—	—	0.16	0.08	0.07	0.43	0.53	0.47
臭椿A. altissima	11	—	—	0.12	—	0.28	—	—	—	—	0.40	0.19	0.09
石栎L. glaber	12	0.02	—	0.03	—	—	—	0.33	—	—	0.38	0.14	0.04
屏边桂C. pingbienense	13	—	—	—	—	—	—	0.36	—	—	0.36	0.11	0
罗伞B. glomerulata	14	—	—	—	—	0.24	—	—	—	0.09	0.33	0.18	0.08
板栗C. mollissima	15	—	0.08	0.08	—	0.04	0.12	—	—	—	0.32	0.40	0.32

编号No.	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
1	—	0.05	0.04	0.01	0.04	0.02	0.00	0.10	0.03	0.02	0.03	0.03	0.02	0.03	0.09
2	0.11	—	0.09	0.04	0.09	0.03	0.11	0.09	0.07	0.09	0.03	0.08	0.08	0.06	0.08
3	0.07	0.07	—	0.08	0.13	0.09	0.02	0.10	0.06	0.06	0.10	0.00	0.00	0.11	0.10
4	0.01	0.01	0.03	—	0.01	0.09	0.00	0.01	0.04	0.02	0.02	0.00	0.00	0.02	0.01
5	0.04	0.04	0.07	0.02	—	0.02	0.01	0.07	0.05	0.04	0.02	0.00	0.00	0.01	0.06
6	0.01	0.01	0.04	0.12	0.02	—	0.00	0.01	0.03	0.02	0.07	0.00	0.00	0.07	0.02
7	0.00	0.02	0.01	0.00	0.00	0.00	—	0.00	0.00	0.03	0.00	0.00	0.00	0.01	0.00
8	0.09	0.03	0.05	0.02	0.06	0.01	0.00	—	0.03	0.02	0.01	0.00	0.00	0.00	0.10
9	0.02	0.03	0.03	0.05	0.04	0.03	0.00	0.03	—	0.03	0.04	0.07	0.07	0.00	0.04
10	0.03	0.05	0.05	0.04	0.05	0.03	0.10	0.03	0.06	—	0.00	0.18	0.20	0.02	0.03
11	0.02	0.01	0.03	0.02	0.01	0.05	0.00	0.01	0.03	0.00	—	0.00	0.00	0.10	0.03
12	0.01	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.04	0.05	0.00	—	0.13	0.00	0.00
13	0.01	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.03	0.04	0.00	0.10	—	0.00	0.00
14	0.01	0.01	0.03	0.02	0.01	0.05	0.01	0.00	0.00	0.01	0.09	0.00	0.00	—	0.02
15	0.10	0.04	0.06	0.02	0.06	0.03	0.00	0.11	0.05	0.02	0.06	0.01	0.00	0.04	—

编号No.	1	2	3	4	5	6	7	8	9	10	11	12	13	14
2	0.65
3	0.57	0.70
4	0.94	0.61	0.57
5	0.68	0.62	0.78	0.79
6	0.91	0.57	0.57	0.79	0.74
7	0.94	0.59	0.99	0	0.93	0
8	0.80	0.65	0.75	0.84	0.81	0.80	0
9	0.67	0.57	0.70	0.58	0.73	0.84	0	0.80
10	0.74	0.67	0.94	0.66	0.88	0.75	0.67	0.93	0.87
11	0.59	0.60	0.65	0.59	0.96	0.82	0	0.94	0.88	0
12	0.54	0.56	0.94	0.99	0.81	0.99	0	0.95	0.45	0.75	0.89
13	0.53	0.55	0	0	0	0	0	0	0.62	0.69	0	0.94
14	0.56	0.63	0.67	0.70	0.93	0.80	0.95	0	0	0.95	0.94	0	0
15	0.76	0.72	0.76	0.84	0.92	0.83	0	0.89	0.86	0.97	0.69	0.92	0	0.70

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