植物研究 ›› 2021, Vol. 41 ›› Issue (3): 380-386.doi: 10.7525/j.issn.1673-5102.2021.03.008
刘济明, 刘欢, 李丽霞
收稿日期:2020-04-19
出版日期:2021-05-20
发布日期:2021-03-24
作者简介:刘济明(1963—),男,博士,教授,主要从事森林生态学方面的研究。
基金资助:Ji-Ming LIU, Huan LIU, Li-Xia LI
Received:2020-04-19
Online:2021-05-20
Published:2021-03-24
About author:LIU Ji-Ming(1963—),male,doctor,professor, major in forest ecology.
Supported by:摘要:
开展米槁群落物种生态位研究,可了解米槁群落物种对资源的利用特征,为米槁的保护与管理提供科学依据。基于贵州省米槁天然林群落的实际调查数据,通过生态位宽度、生态位重叠指数,分析该群落主要物种的资源利用特征。群落中米槁(Cinnamomum migao)、杜茎山(Maesa japonica)、菝葜(Smilaxchina)的生态位宽度最大,在群落中处于明显优势地位,具有较强竞争力和资源利用能力;生态位宽度越大的物种间生态位重叠越大,但在相同或相似环境条件下,生态位宽度值小的种对也会拥有较高的生态位重叠;米槁群落主要物种间的生态位重叠指数偏低,说明物种间对资源利用的相似性较低,物种的生态位分化明显,竞争不激烈,群落结构较为稳定,物种间能够较好地相互共存。
中图分类号:
刘济明, 刘欢, 李丽霞. 米槁群落主要物种资源利用特征分析[J]. 植物研究, 2021, 41(3): 380-386.
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.
表1
样地基本信息
| 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 |
表2
主要物种的重要值与生态位宽度
种名 Name of species | 编号 No. | 重要值 Importance value | Total(Σ) | 生态位宽度 Niche breadth | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 | B(L)i | Ba | |||
| 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 |
表3
米槁群落主要物种的生态位重叠值
| 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 | — |
表4
米槁群落主要物种生态位相似性比例
| 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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