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5种挺水植物对污水浸淹的生理反应及净水效果(PDF)

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

Issue:
2012年05期
Page:
66-70
Column:
研究论文
publishdate:
2012-09-30

Article Info:/Info

Title:
Physiological responses and purifying effects of five emerged plants under sewage submerging
Author(s):
HUANG Xuefang1 LI Donglin2* JIN Yaqin3 CHEN Pingping3 CHEN Ling3GU Jingjing3
1. Faculty of Life Science and Chemistry,Jiangsu Institute of Education, Nanjing 210013, China;
2. Jiangsu Province Forestry Academy, Nanjing 211153, China;
3. Department of Horticulture, Jinling Institute of Technology, Nanjing 210038, China
Keywords:
emerged plant sewage submerging physiological responses purifying effect
Classification number :
Q945.79;X173
DOI:
10.3969/j.jssn.1000-2006.2012.05.012
Document Code:
A
Abstract:
Changes of chlorophyll and carotenoid content, SOD, MDA, proline content in leaves of 5 emerged plants (Iris pseudacorus, Pontederia cordata, Typha orientalis, Thalia dealbata and Spiked loosestrlfe) under sewage submerging were studied by potted plant experiments, and their effects of purifying sewage were discussed by analyzing 6 water quality parameters: TN, NH+4-N, (NO-3-N+NO-2-N), TP and COD. The results were as follows: the chlorophyll content of 5 emerged plants fluctuated at the initial submerging period, but declined towards the end of sewage submerging, the carotenoid content had the similar tendency. During 15th-30th day after submerging, the change of SOD activity of both I. pseudacorus and S. loosestrlfe was little, and that of other plants went down, but SOD activity of whole plants increased after 45 days of submerging, and MDA content had a trend of rising at the later submerging period even though the change was not very acute in 15-30 days of submerging. The proline content of I. pseudacorus and P. cordata varied greatly, and that of other plants were not evident. The results from the comparation of physiological responses of five emerged plants showed T. orientalis, which wasnt sensitive to sewage submerging, was an more enduring specie to sewage submerging. On the other hand, the removal rates of T. dealbata to TN was 61.75 %, that of T. orientalis to TP was 87.50 %, so they were fine water punfication plant.

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Last Update: 2012-09-30