PLANT DIVERSITY IN QIANYANZHOU AFTER 20 YEARS OF SMALL WATERSHED TREATMENT

doi:10.17521/cjpe.2005.0101

Abstract

Abstract:

The species diversity of a small watershed was investigated following 20 years treatments. Our results showed that the species dominance index of the upper forest canopy layer was higher than other layers and was higher in the artificial forests than that in secondary forests and Liquidambar formosana stands. As a whole, the dominance index for the shrub layer of the 12 communities investigated was small, averaging 0.17. For the herb layer, the dominance index was high in the Ass. Imperata cylindrica var. major community (0.53) and the Ass. Loropetalum chinense-Bromus remotiflorus community (0.51). The species diversity index was high in the canopy layer of the L. formosana forest and natural Pinus massoniana forest but was low in other communities and, in particular, was lowest in the artificial forests. For the canopy layer, the species diversity index was the highest in the L. formosana forest (2.61). A similar trend was found in the subcanopy layers with the highest value found in the P. massoniana + P. elliottii forest. Also, the species diversity index was higher in the artificial forests than that in the secondary forests except for the P. massoniana + Litsea cubeba and Castanea mollissima + L. formosana forests. The richness index was the highest in the shrub layer for all communities and was similarly high in both the canopy and herb layers as the shrub layer in the L. formosana forests. The richness index was higher in secondary forests than that in artificial forests. The evenness index or uniformity index in the herb layer was higher than that in the shrub layer except for the Ass. Ldoropetalum chinense-Bromus remotiflorus and Ass. I. cylindrica var. major stands. For the canopy layer, evenness was as high as 0.76 in the Ass. C. mollissima + L. formosana and Ass. P. massoniana + L. cubeba stands whereas other artificial forests had lower values than that in secondary forests and L. formosana stands. In the shrub layer, evenness was the highest in the artificial forests except for the Castanea + Liquidambar forest. The diversity indices showed large differences between the shrub layer and other communities, and the L. formosana forest showed properties that can be considered atransitionaltype between artificial and secondary forests.

Key words: Plant diversity, Small watershed treatment, Forest community types, Plantation

LIU Qi-Jing, HU Li-Le, LI Xuan-Ran. PLANT DIVERSITY IN QIANYANZHOU AFTER 20 YEARS OF SMALL WATERSHED TREATMENT[J]. Chin J Plant Ecol, 2005, 29(5): 766-774.

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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2005.0101

https://www.plant-ecology.com/EN/Y2005/V29/I5/766

Figures/Tables 9

References 30

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群落代码 Community code	样地编号 Quadrat number	面积 Area (m×m)	群落名称 Community name	坡向 Aspect(°)	坡度 Slope(°)	海拔 Altitude (m)
A	726A	20×20	枫香林Liquidambar formosana forest	NE53	20	98
A	812A	20×20	枫香林Liquidambar formosana forest	NW8	45	85
B	730A1	10×10	檵木-疏花雀麦灌丛Loropetalum chinense-Bromus remotiflorus shurb	NW75	35	85
B	730A2	10×10	檵木-疏花雀麦灌丛Loropetalum chinense-Bromus remotiflorus shurb	NW75	35	85
C	808A	10×10	檵木-蕨灌丛Loropetalum chinense-Pteridium aquilinum var. latiusculum shurb	NE85	25	124
C	810A	10×10	檵木-蕨灌丛Loropetalum chinense-Pteridium aquilinum var. latiusculum shurb	NE72	20	103
D	812B1	5×5	白茅草丛Imperata cylindrica var. major herb	NE80	2	132
D	812B2	5×5	白茅草丛Imperata cylindrica var. major herb	NE80	2	132
E	730B	10×10	天然马尾松林Pinus massoniana forest	NE55	15	130
E	806A	10×10	天然马尾松林Pinus massoniana forest	NE72	20	112
F	807B	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	WS35	15	134
F	810B	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	NE30	3	117
F	811A	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	NE45	5	116
F	811B	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	NE22	5	119
G	807A	10×10	马尾松+山鸡椒林Pinus massoniana+Litsea cubeba forest	SW82	30	110
H	731A	20×20	马尾松林Pinus massoniana forest	NW10	35	102
H	801A	20×20	马尾松林Pinus massoniana forest	SE35	25	107
I	803A	20×20	杉木林Cunninghamia lanceolata forest	NE20	10	95
I	804A	10×10	杉木林Cunninghamia lanceolata forest	SE35	20	94
J	802A	20×20	湿地松林Pinus elliottii forset	SW23	20	102
J	802B	20×20	湿地松林Pinus elliottii forset	WS10	5	94
K	808B	10×10	板栗+枫香林Castamea mollissima+Liquidambar formosana forset	NW35	8	92
K	808C	10×10	板栗+枫香林Castamea mollissima+Liquidambar formosana forset	NW60	8	90
L	727A	20×20	湿地松+木荷林Pinus elliottii+Schima superba forest	WS40	30	85
L	801B	20×20	湿地松+木荷林Pinus elliottii+Schima superba forest	NW12	5	76
L	806B	20×20	湿地松+木荷林Pinus elliottii+Schima superba forest	NW12	20	79

群落代码 Community code	样地编号 Quadrat number	面积 Area (m×m)	群落名称 Community name	坡向 Aspect(°)	坡度 Slope(°)	海拔 Altitude (m)
A	726A	20×20	枫香林Liquidambar formosana forest	NE53	20	98
A	812A	20×20	枫香林Liquidambar formosana forest	NW8	45	85
B	730A1	10×10	檵木-疏花雀麦灌丛Loropetalum chinense-Bromus remotiflorus shurb	NW75	35	85
B	730A2	10×10	檵木-疏花雀麦灌丛Loropetalum chinense-Bromus remotiflorus shurb	NW75	35	85
C	808A	10×10	檵木-蕨灌丛Loropetalum chinense-Pteridium aquilinum var. latiusculum shurb	NE85	25	124
C	810A	10×10	檵木-蕨灌丛Loropetalum chinense-Pteridium aquilinum var. latiusculum shurb	NE72	20	103
D	812B1	5×5	白茅草丛Imperata cylindrica var. major herb	NE80	2	132
D	812B2	5×5	白茅草丛Imperata cylindrica var. major herb	NE80	2	132
E	730B	10×10	天然马尾松林Pinus massoniana forest	NE55	15	130
E	806A	10×10	天然马尾松林Pinus massoniana forest	NE72	20	112
F	807B	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	WS35	15	134
F	810B	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	NE30	3	117
F	811A	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	NE45	5	116
F	811B	10×10	马尾松+湿地松林Pinus massoniana+Pinus elliottii forest	NE22	5	119
G	807A	10×10	马尾松+山鸡椒林Pinus massoniana+Litsea cubeba forest	SW82	30	110
H	731A	20×20	马尾松林Pinus massoniana forest	NW10	35	102
H	801A	20×20	马尾松林Pinus massoniana forest	SE35	25	107
I	803A	20×20	杉木林Cunninghamia lanceolata forest	NE20	10	95
I	804A	10×10	杉木林Cunninghamia lanceolata forest	SE35	20	94
J	802A	20×20	湿地松林Pinus elliottii forset	SW23	20	102
J	802B	20×20	湿地松林Pinus elliottii forset	WS10	5	94
K	808B	10×10	板栗+枫香林Castamea mollissima+Liquidambar formosana forset	NW35	8	92
K	808C	10×10	板栗+枫香林Castamea mollissima+Liquidambar formosana forset	NW60	8	90
L	727A	20×20	湿地松+木荷林Pinus elliottii+Schima superba forest	WS40	30	85
L	801B	20×20	湿地松+木荷林Pinus elliottii+Schima superba forest	NW12	5	76
L	806B	20×20	湿地松+木荷林Pinus elliottii+Schima superba forest	NW12	20	79

种类 Species	重要值 IV	样方数 Sample number
马尾松Pinus massoniana	25.1	24
湿地松Pinus elliottii	24.0	29
杉木Cunninghamia lanceolata	11.6	8
枫香Liquidambar formosana	7.5	15
木荷Schima superba	5.6	11
白栎Quercus fabri	3.8	11
檵木Loropetalum chinense	3.5	13
格药柃Eurya muricata	2.6	14
白玉兰Magnolia heptapeta	2.4	4
乌饭树Vaccinium bracteatum	2.0	11
盐肤木Rhus chinensis	1.8	9
樟树Cinnamomum camphora	1.4	7
四川红淡比Adinandra bockiana	1.2	14
汤饭子Viburnum setigerum	0.6	4
漆树Rhus verniciflua	0.6	5
苦楝树Melia azedarach	0.5	4
黄檀Dalbergia hupehana	0.4	4

种类 Species	重要值 IV	样方数 Sample number
马尾松Pinus massoniana	25.1	24
湿地松Pinus elliottii	24.0	29
杉木Cunninghamia lanceolata	11.6	8
枫香Liquidambar formosana	7.5	15
木荷Schima superba	5.6	11
白栎Quercus fabri	3.8	11
檵木Loropetalum chinense	3.5	13
格药柃Eurya muricata	2.6	14
白玉兰Magnolia heptapeta	2.4	4
乌饭树Vaccinium bracteatum	2.0	11
盐肤木Rhus chinensis	1.8	9
樟树Cinnamomum camphora	1.4	7
四川红淡比Adinandra bockiana	1.2	14
汤饭子Viburnum setigerum	0.6	4
漆树Rhus verniciflua	0.6	5
苦楝树Melia azedarach	0.5	4
黄檀Dalbergia hupehana	0.4	4

种类 Species	重要值 IV	样方数 Sample number
檵木Loropetalum chinense	10.8	64
白马骨Serissa serissoides	9.8	35
白栎Quercus fabri	8.3	78
山莓Rubus corchorifolius	4.2	59
乌饭树Vaccinium bracteatum	4.2	63
牡荆Vitex negundo var. cannabifolia	3.5	30
土茯苓Smilax glabra	3.4	57
盐肤木Rhus chinensis	3.2	55
长托菝葜Smilax ferox	2.9	47
大叶胡枝子Lespedeza davidii	2.8	33
白檀Symplocos paniculata	2.8	48
满树星Ilex aculeolata	2.3	41
格药柃Eurya muricata	2.2	37
四川红淡比Adinandra bockiana	2.1	36
小果蔷薇Rosa cymosa	1.9	33
鸡血藤Millettia reticulata	1.7	29
栀子Gardenia jasminoides	1.6	29
木荷Schima superba	1.6	17
紫薇Lagerstroemia indica	1.4	23
黄檀Dalbergia hupehana	1.4	23
长叶冻绿Rhamnus crenata	1.2	21
三叶赤楠Syzygium grijsii	1.0	18
金银花Lonicera japonica	1.0	14
算盘子Glochidion puberum	0.9	16
朱砂根Ardisia crenata	0.8	12
马尾松Pinus massoniana	0.8	14
羊角藤Morinda umbellata	0.8	14
乌桕Sapium sebiferum	0.7	13
汤饭子Viburnum setigerum	0.7	12
漆树Rhus verniciflua	0.7	12
杜鹃Rhododendron simsii	0.6	10
樟树Cinnamomum camphora	0.6	10
多花勾儿茶Berchemia floribunda	0.5	10
油桐Aleurites fordii	0.5	10