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三种水生植物的生态敏感度研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2000年S1期
Page:
74-77
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A Study on Ecological Sensitivities of Three Aquatic Plants
Article ID:
1000-2006(2000)S1-0074-04
Author(s):
Li Hongwen (Suzhou Institute of Urban Construction and Environmental Protection Suzhou 215011) Paul K Chien
Department of Biology San Francisco University U. S. A.
Keywords:
Species sensitivity CAT-sensitivity Heavy metal Ecological level
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.2000.07.020
Document Code:
A
Abstract:
By measuring the CAT activities of aquatic plants exposed to heavy metals of Pb and Zn, the experimental results show that the order for the CAT sensitivities of three plant species is: Alternanthera philoxeroides> Spirodela polyrrhiza > Potamogeton malaianus. It is contrary to the results of ecological sensitivities showed by three plant species with tissue injured, such as: Potamogeton malaianus > ,Spirodela polyrrhiza > Alternanthera philoxeroides. It is said that the signification about ecological sensitivity is different between both ecological levels of organizm and molecule.

References

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Last Update: 1900-01-01