Quantitative classification and ordination of forest communities in Pangquangou National Nature Reserve

Xianping, Zhang; Wang, Mengben; She, Bo; Yang, Xiao

doi:10.1016/s1872-2032(06)60013-9

Cited by 34 publications

(19 citation statements)

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“…The importance value of trees, shrubs and herbs in each plot was calculated with the following formulae (Zhang et al 2006):…”

Section: Methodsmentioning

confidence: 99%

Vegetation patterns and ecological factors in the Ili River Valley, Xinjiang, China

Yue¹,

Chen²,

Li³

et al. 2011

Nordic Journal of Botany

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The Ili River Valley is located in western Xinjiang as a ‘wet island’ in an arid region, and is rich with unique plant species. In this paper, TWINSPAN (two‐way indicator species analysis) and DCCA (detrended canonical correspondence analysis) were performed to analyze the vegetation patterns and influential factors based on data from a field investigation in the mountainous region of the valley. 259 species were recorded in the 85 plots, up to 235 species all appeared in the herb layer, and species of woody plants were very limited. The species composition varied widely between the northern slope and the southern slope. 35 plots on the northern slope were clustered into 10 groups, and 50 plots on the southern slope were clustered into 11 groupes. The DCCA ordination indicated that elevation as a compound factor was the critical driver of species composition on both the slopes. The vegetation patterns were also related to slope gradient, aspect, soil water, soil pH, organic matter and total nitrogen. Available phosphorus and available potassium were important factors on the southern slope only, maybe because of the appearance of shrubs there. The proportion of variation explained was 49.54% on the northern slope and 41.08% on the southern slope. Edaphic variables were more important than topographical variables on the northern slope, while topographical variables seemed to be more influential on the southern slope.

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“…The importance value of trees, shrubs and herbs in each plot was calculated with the following formulae (Zhang et al 2006):…”

Section: Methodsmentioning

confidence: 99%

Vegetation patterns and ecological factors in the Ili River Valley, Xinjiang, China

Yue¹,

Chen²,

Li³

et al. 2011

Nordic Journal of Botany

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“…Quantitative analysis, especially quantitative classification methods and ordination techniques, has been widely used to indicate the ecological relationships between vegetation and the environment (Zhang & Zhang, ). Nature reserves aim to protect particular species, while ecosystems protect special ecological relationships within the reserve (Zhang et al ., ).…”

Section: Introductionmentioning

confidence: 97%

Plant diversity and community structure of Wadi Gimal protected area, Red Sea Coast of Egypt

Galal

Fahmy

2012

Afr. J. Ecol.

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The present study deals with the analysis of the floristic composition and plant diversity of Wadi Gimal protectorate. Its major aim is to identify community types and environmental factors that affect their growth and distribution. These quantitative data provide rangers with knowledge that is necessary for monitoring and managing plant communities within the protected areas, as well as restoration of vegetation‐depleted habitats. Twenty‐seven stands were selected along the length of Wadi and its tributaries. Thirty‐five species were recorded in Wadi Gimal; with Poaceae as the dominant family and Phanerophytes dominating over other life forms. Saharo‐Arabians were the predominant chorological element. Six vegetation groups were recognized in Wadi Gimal. Zilla spinosa (VG C) which inhabited the Wadi bed had the highest species richness, species turnover, relative evenness and relative concentration of dominance. Capparis sinaica (VG A) which inhabited the mountain slope had the lowest species richness, relative evenness and relative concentration of dominance, while Salvadora persica group had the lowest species turnover. Phoenix dactylifera–Hyphaene thebaica (VG F) which dominated the deltaic part of Wadi, had the highest salinity; whilst Acacia ehrenbergiana (VG E) which dominated the upper‐stream part of the Wadi had the lowest value of salinity.

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“…, 而对区域尺度的群落物种多样性特征及其空间分布格局的研究较少。在生物多样性形成机制的环境解释方面, 有很多研究只针对气候或土壤单一因子对物种多样性的影响 (刘先华等, 1998; 白永飞等, 2000; 左小安等, 2007; 宋创业等, 2008) (Zhang et al, 2006):…”

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Biodiversity of natural vegetation and influencing factors in western Inner Mongolia

Yang¹,

Li²,

Zhang³

et al. 2017

Biodiversity Science

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Quantitative classification and ordination of forest communities in Pangquangou National Nature Reserve

Cited by 34 publications

References 1 publication

Vegetation patterns and ecological factors in the Ili River Valley, Xinjiang, China

Vegetation patterns and ecological factors in the Ili River Valley, Xinjiang, China

Plant diversity and community structure of Wadi Gimal protected area, Red Sea Coast of Egypt

Biodiversity of natural vegetation and influencing factors in western Inner Mongolia

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