Effects of Environmental and Spatial Heterogeneity on Tree Community Assembly in Baotianman National Nature Reserve, Henan, China

• Autorzy: Jia H.-R. , Chen Y. , Yuan Z.-L. , Ye Y.-Z. , Huang Q.-C.

Identyfikatory

DOI

10.3161/15052249PJE2015.63.2.002

• Języki publikacji: EN

Abstrakty

EN

The debate on species coexistence mechanisms never stops. The niche theory, neutral theory, and negative density dependence mechanism has been attracting considerable attention in recent years, but an integrated research on species coexistence mechanisms has rarely been conducted. In this study, a previous investigation at a plot in Henan Province was used as a basis to analyze the spatial structure of the community with principal coordinates of neighbor matrices (PCNM). Variance partitioning was used to analyze the effects of topography, soil, spatial, and stand density on species distribution. Results show that the community structure in the broad, medium, and fine scales generally showed a highly significant spatial structure. Topography, soil, spatial variables, and stand density explained 3.4, 11.7, 12.1 and 19.49% of species distribution, respectively. The aforementioned results suggest that spatial factor was an important factor that affects community structure. Species distribution was evidently influenced by environmental spatial heterogeneity. It had a very important function for density-dependent effects acting on species distribution. Niche theory, neutral theory, and negative density dependence mechanisms affected community building in different degrees.

Słowa kluczowe

EN

spatial structure; variance partitioning; niche theory; neutral theory; negative density dependence

PL

struktura przestrzenna; podział; zmienność; teoria neutralna

• Wydawca: Museum and Institute of Zoology, Polish Academy of Sciences
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2015
• Tom: Vol. 63, nr 2
• Strony: 175--183
• Opis fizyczny: Bibliogr. 39 poz., rys., tab.

Twórcy

autor

Jia H.-R.

• Henan Provincial Key Laboratory of Ion Beam Bio-engineering, Zhengzhou University, Zhengzhou 450052, China
• College of life sciences, Henan Agricultural University, Zhengzhou 450002, China

autor

Chen Y.

• College of life sciences, Henan Agricultural University, Zhengzhou 450002, China

autor

Yuan Z.-L.

• College of life sciences, Henan Agricultural University, Zhengzhou 450002, China

autor

Ye Y.-Z.

• College of life sciences, Henan Agricultural University, Zhengzhou 450002, China

autor

Huang Q.-C.

• Henan Provincial Key Laboratory of Ion Beam Bio-engineering, Zhengzhou University, Zhengzhou 450052, China

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