Tree species richness in northeastern China: geographical variation and minimum areas

X. H. Fan; H. J. He; J. Wang; C. Y. Xu; K. v. Gadow

doi:10.1556/168.2017.18.3.3

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Community Ecology

Volume/Issue:: Volume 18: Issue 3

Tree species richness in northeastern China: geographical variation and minimum areas

Authors:

X. H. Fan

X. H. Fan Beijing Forestry University, Beijing 100083, China

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H. J. He

H. J. He Beijing Forestry University, Beijing 100083, China

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J. Wang

J. Wang Beijing Forestry University, Beijing 100083, China

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C. Y. Xu

C. Y. Xu Beijing Forestry University, Beijing 100083, China

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, and

K. v. Gadow

K. v. Gadow Georg-August-University Göttingen, Büsgenweg 5, D-37077 Göttingen, Germany
University of Stellenbosch, South Africa

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Pages:: 244–252

Online Publication Date:: Dec 2017

Publication Date:: 01 Dec 2017

Article Category:: Research Article

DOI:: https://doi.org/10.1556/168.2017.18.3.3

Keywords:: Geographical pattern; Logistic model; Minimum area; Species-area relationship; Species richness

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The geographical patterns of tree species richness in forest communities have been studied widely, but little is known about the geographical variation of the estimated species richness and minimum areas using species-area curves. A differential technique based on the species-area relationships (SAR) was developed for estimating the minimum area (A_min) capturing 60- 80% of the species in each plot, which is an important characteristic of a forest community. The relationship between estimated species richness (ESR) from the SAR and the corresponding minimum area is described by the linear model ESR = 0.0051×A_min (R² = 0.98, p < 0.0001). Both the ESR and the minimum area exhibit similar geographical variations with a significant increase along altitudinal and a decrease along latitudinal gradients. The spatial variations of the ESR were partitioned into three geographical components and their combined effects. Altitude accounted for 40% and 45% of the total variation in the ESR and the minimum area, respectively. While latitude accounted for 69% and 61% of the total variation in the ESR and the minimum area, respectively. Thus, latitude is the main determinant which influences the geographical variation of the ESR. As far as we know, this study presents the first report of the geographical patterns of the minimum area in temperate forests.

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Community Ecology An Interdisciplinary Journal Reporting Progress in Community and Population Studies

Print ISSN:: 1585-8553

Online ISSN:: 1588-2756

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Community Ecology
Language	English
Size	A4
Year of Foundation	2000
Volumes per Year	1
Issues per Year	3
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	1585-8553 (Print)
ISSN	1588-2756 (Online)