Species Diversity Characteristics of a Natural Pinus taiwanensis Community with Different Diameter Classes and Forest Densities

Yang WANG; Xiongbo JIANG; Dezhi WU

doi:10.5814/j.issn.1674-764x.2020.04.003

Journals >Journal of Resources and Ecology >Volume 11 >Issue 4 >Page 349 > Article

Journal of Resources and Ecology
Vol. 11, Issue 4, 349 (2020)

Species Diversity Characteristics of a Natural Pinus taiwanensis Community with Different Diameter Classes and Forest Densities

Yang WANG, Xiongbo JIANG^*, and Dezhi WU

Author Affiliations

Hubei Ecology Polytechnic College, Wuhan 430200, China

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DOI: 10.5814/j.issn.1674-764x.2020.04.003 Cite this Article

Yang WANG, Xiongbo JIANG, Dezhi WU. Species Diversity Characteristics of a Natural Pinus taiwanensis Community with Different Diameter Classes and Forest Densities[J]. Journal of Resources and Ecology, 2020, 11(4): 349 Copy Citation Text

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Fig. 1. Fig. 1

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Fig. 2. Fig. 2

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Plot No.	Elevation (m)	Longitude	Latitude	Slope (˚)	Aspect	Canopy density	Forest density (trees ha^-1)	Average DBH (cm)	Average height (m)	Average biomass (t ha^-1)
1	792	115°17′23″	31°22′34″	20	Southeast	0.85	1425	22.479±10.114	13.913±3.942	296.097
2	812	115°18′50″	31°22′56″	15	North	0.70	1525	18.957±5.141	11.502±2.206	197.714
3	739	115°20'21	31°23'32	22	Northeast	0.65	1325	29.470±8.694	11.775±3.468	297.193
4	658	115°21′41″	31°23′25″	18	Southeast	0.80	1200	36.779±4.444	14.865±1.828	664.605

Table 1.

General status of sample plots of natural Pinus taiwanensis forests in Macheng

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Plot No.	Vegetation layer	Richness			Diversity		Evenness
Plot No.	Vegetation layer	Patrick (S)	Margalef (D_ma)	Menhinick (D_mc)	Shannon-Weiner (H')	Simpson GINI (D)	PieLou (E)	Alatalo (E_a)
1	Herb	14	2.3267	0.8568	1.7314	0.7618	0.6561	0.6879
	Shrub	16	2.9666	1.2769	2.1661	0.8266	0.7812	0.6170
	Tree	14	2.9839	1.5852	1.6215	0.6203	0.6144	0.4023
2	Herb	34	5.7461	1.9249	2.3669	0.8237	0.6712	0.4836
	Shrub	27	5.4308	2.4648	2.9612	0.9306	0.8985	0.7314
	Tree	9	1.7410	0.9045	1.4145	0.6369	0.6438	0.5631
3	Herb	32	5.8132	2.2242	3.0697	0.9853	0.9025	0.9593
	Shrub	22	4.3351	1.9522	2.5248	0.8673	0.8168	0.5687
	Tree	9	1.9384	1.1430	1.1886	0.5016	0.5410	0.4408
4	Herb	24	4.4244	1.7839	2.7411	0.9097	0.8625	0.6944
	Shrub	18	3.8577	1.9878	2.4750	0.8876	0.8563	0.7253
	Tree	12	2.0040	0.7714	1.6716	0.7705	0.6727	0.7768

Table 2.

Species diversity of natural Pinus taiwanensis communities at different forest densities

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Plot No.	Tree species	IV_t(%)	Shrub species	IV_s(%)	Herb species	IV_h(%)
1	Pinus taiwanensis	84.33	Rhododendron simsii	34.72	Oplismenus undulatifolius	39.33
	Paulownia fortunei	2.17	Camellia sinensis	21.74	Goodyera repens	18.73
	Vernicia fordii	2.07	Euscaphis japonica	8.39	Alpinia japonica	15.73
	Diospyros lotus	1.72	Wisteria sinensis	6.63	Aristolochia mollissima	14.61
	Euscaphis japonica	1.57	Alangium platanifolium	5.19	Viola verecunda	3.75
	Celtis biondii	0.78	Viburnum dilatatum	4.40	Parthenocissus dalzielii	2.25
2	Pinus taiwanensis	81.84	Lindera erythrocarpa	22.31	Polygonum hydropiper	34.94
	Carya cathayensis	5.60	Lindera glauca	10.65	Oplismenus undulatifolius	19.23
	Quercus serrata	1.68	Euscaphis japonica	6.92	Alpinia japonica	8.33
	Symplocos paniculata	1.16	Schisandra sphenanthera	5.90	Viola verecunda	4.81
	Mallotus japonicus	0.70	Corylus heterophylla	5.88	Teucrium viscidum	4.49
	Lindera erythrocarpa	0.59	Phyllanthus glaucus	4.27	Phryma leptostachya	4.81
3	Pinus taiwanensis	81.12	Rhododendron simsii	38.61	Geum aleppicum	13.43
	Lindera glauca	6.69	Lindera erythrocarpa	12.87	Kummerowia striata	14.63
	Dalbergia hupeana	4.48	Camellia sinensis	11.88	Erigeron annuus	10.79
	Carya cathayensis	3.57	Akebia trifoliata	8.91	Setaria faberii	8.87
	Diospyros lotus	2.21	Kerria japonica	6.93	Crassocephalum crepidioides	6.71
	Castanea seguinii	1.76	Lespedeza formosa	5.94	Fragaria nilgerrensis	5.04
4	Pinus taiwanensis	63.10	Lespedeza formosa	15.85	Anaphalis sinica	20.44
	Quercus acutissima	15.79	Lespedeza buergeri	15.23	Aster ageratoides	12.71
	Quercus serrata	12.26	Rhododendron simsii	14.63	Amphicarpaea edgeworthii	8.84
	Dalbergia hupeana	4.20	Glochidion wilsonii	8.54	Syneilesis aconitifolia	8.29
	Albizia kalkora	2.31	Elaeagnus pungens	4.54	Fragaria nilgerrensi	5.65
	Quercus variabilis	1.32	Rosa cymosa	3.95	Cyperus rotundus	5.52

Table 3.

The importance value of tree, shrub and herb species in the 4 sample plots

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Plot No.	1					2					3
Plot No.	Jaccard (C_j)		Sǿrenson(C_s)	Ochiai(C_o)		Jaccard (C_j)	Sǿrenson(C_s)		Ochiai(C_o)		Jaccard (C_j)		Sǿrenson(C_s)	Ochiai(C_o)
2	0.3412	0.5088			0.3436
3	0.2022	0.3364			0.2540	0.3232		0.4886		0.3284
4	0.1951	0.3265			0.2469	0.2680		0.4228		0.2982	0.3295	0.4957			0.3319