کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6301825 | 1618023 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ecological engineering restoration of a non-point source polluted river in Northern China
ترجمه فارسی عنوان
ارزیابی مهندسی محیط زیست از یک منبع غیر نقطه ای، آلودگی رودخانه در شمال چین
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کلمات کلیدی
منبع غیر نقطه ای آلوده رودخانه، مهندسی محیط زیست، بهبود کیفیت آب، شمالی چین،
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
بوم شناسی، تکامل، رفتار و سامانه شناسی
چکیده انگلیسی
River restoration is the re-establishment of a river to a state that is more reflective of its predisturbance form. To restore a river polluted by human interference, we conducted an ecological restoration study from 2009 to 2011 on parts of the Yitong River, which is a typical non-point source polluted river in Northern China. The engineering included three parts: riparian vegetation buffering strip (part 1); multi-functional ecological fishponds (part 2), and river channel enhancement zone (part 3). By monitoring and evaluating the pollution indices of the study area's inlet and outlet, we found that the ecological engineering could significantly enhance the reduction rate of NH3-N, COD, and BOD5, which had increased from â14.29%, 1.81%, and â0.5% before restoration to 66.29%, 10.81%, and 7.25% in 2011 (post-restoration), respectively. The diversity of planktonic algae became rich, and in particular the species number representing clean water increased from 1 before restoration (2009) to 8 after the restoration (2011). Our results indicate that ecological engineering can significantly reduce non-point source pollution and improve the water quality, biodiversity, and economic benefits, and it is therefore an effective scientific approach for restoring the integrity of the river ecosystem and achieving continuous social and economic development.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ecological Engineering - Volume 76, March 2015, Pages 142-150
Journal: Ecological Engineering - Volume 76, March 2015, Pages 142-150
نویسندگان
Yanjie Mi, Chunguang He, Hongfeng Bian, Yanpeng Cai, Lianxi Sheng, Liang Ma,