Chin J Plan Ecolo ›› 2011, Vol. 35 ›› Issue (3): 337-344.doi: 10.3724/SP.J.1258.2011.00337

• Review • Previous Articles     Next Articles

A brief introduction of structural equation model and its application in ecology

WANG You-Shi1, CHU Cheng-Jin2*   

  1. 1Research School of Arid Environment & Climate Change, Key Laboratory of Western China’s Environmental System of Ministry of Education, Lanzhou University,Lanzhou 730000, China;

    2Key Laboratory of Arid and Grassland Ecology of Ministry of Education, Lanzhou University, Lanzhou 730000, China
  • Received:2010-09-09 Revised:2010-12-18 Online:2011-03-02 Published:2011-03-01
  • Contact: CHU Cheng-Jin E-mail:cjchu@lzu.edu.cn

Abstract:

Natural systems are essentially complex. In most cases, fully understanding natural systems requires the capacity to examine simultaneous influences and responses among multiple interacting factors. Compared with traditional multivariate methods, structural equation model (SEM) could specify the causal or dependent relationships among variables using the prior knowledge of researchers before conducting relevant experiments, i.e. initial models. SEM could not only identify the individual path coefficient for each relationship, but also estimate the whole model fit to determine whether to revise the initial models. We attempt to introduce SEM from the following aspects: definition and types of variables in SEM, detailed procedures for how to analyze data through SEM, some applications of SEM in ecology and recommended software. We encourage more researchers to apply SEM in ecological data analyses in order to improve understanding of natural systems and advance the field of ecology.

No related articles found!
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
[1] Hu Shi-yi. Lipoid Bodies in Plant Tissues[J]. Chin Bull Bot, 1994, 11(04): 49 -51 .
[2] CHENG Hong-Yan. Introduction of State Key Laboratory of Biomembrane and Membrane Biotechnology[J]. Chin Bull Bot, 1998, 15(04): 78 .
[3] Liu Dong-zhuo and Li Lan. The Karyotype Analysis of Solanum pseudocapsicum[J]. Chin Bull Bot, 1992, 9(03): 50 .
[4] WANG Bao-Shan;LI De-Quan;ZHAO Shi-Jie;MENG Qing-Wei and ZOU Qi. Effects of Iso-osmotic NaCl and KCl Stress on Growth and Gas Exchange of Sorghum Seedlings[J]. Chin Bull Bot, 1999, 16(04): 449 -453 .
[5] LI Yao-Dong WEI Yu-Ning XU Ben-Mei. Study on the ABA Content and SOD Activity in Ancient Lotus and Modern Lotus Seeds[J]. Chin Bull Bot, 2000, 17(05): 439 -442 .
[6] LI Zhong-Kui HU Hong-Jun LI Ye-Guang. Advances in Molecular Phylogenetic Relationship of Volvocales[J]. Chin Bull Bot, 2002, 19(04): 419 -424 .
[7] WANG Ting SU Ying-Juan ZHU Jian-Ming HUANG Chao LI Xue-Yan. PCR_RFLP Analysis of rbc L Genes in Taxaceae and Related Taxa[J]. Chin Bull Bot, 2001, 18(06): 714 -721 .
[8] . [J]. Chin Bull Bot, 1994, 11(专辑): 51 .
[9] Dong Shu-ting, Hu Chang-hao, Yue Shou-song, Wang Qun-ying, Gao Rong-qi, Pan Zi-long. The Characteristics of Canopy Photosynthesis of Summer Corn (Zea mays) and its Relation with Canopy Structure and Ecological Conditions[J]. Chin J Plan Ecolo, 1992, 16(4): 372 -378 .
[10] YANG Wei, YE Qi-Gang, LI Zuo-Zhou, HUANG Hong-Wen. GENETIC DIFFERENTIATION OF QUANTITATIVE TRAITS AND LOCAL ADAPTABILITY OF REMNANT POPULATIONS OF ISOETES SINENSIS AND IMPLICATIONS FOR CONSERVATION AND GENETIC REINFORCEMENT[J]. Chin J Plan Ecolo, 2008, 32(1): 143 -151 .