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Academic Journal of Environmental Biology, 2020, 1(1); doi: 10.38007/AJEB.2020.010106.

Benthic Animals and Establishment of Biological Benchmarks Based on Phytoplankton Biological Index Method


Suana Ahmmad

Corresponding Author:
Suana Ahmmad

Universiti Teknologi MARA, Malaysia


At present, with the transformation and improvement of water environment management goals from water chemical quality to ecological quality (chemical, physical and biological comprehensive quality), it is urgent to establish a scientific method to select suitable benthic animals. Fit the characteristics of the river and create a biological reference point. The purpose of this paper is to investigate benthic animals through the phytoplankton index method and establish a biological benchmark. Correlation analysis was carried out on biological abundance and environmental factors, and the corresponding correlation coefficients were obtained. Multiple linear regression analysis was carried out on environmental factors and index groups. Different classification index groups had different interpretations of environmental variables. Among them, the highest correlation coefficient is 0.689, and its environmental factors include: pebble%, sand%, SS, urban area, and the second combination of environmental factors is pebble%, sand%, SS, DO, and the correlation coefficient is 0.631. These two sets of environmental factors had the greatest impact on species richness.


Planktonic Algae, Biological Index Method, Benthic Animals, Biological Benchmark

Cite This Paper

Suana Ahmmad. Benthic Animals and Establishment of Biological Benchmarks Based on Phytoplankton Biological Index Method. Academic Journal of Environmental Biology (2020), Vol. 1, Issue 1: 44-52. https://doi.org/10.38007/AJEB.2020.010106.


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