کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
5752448 1412528 2017 33 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Water quality impacts of bare peat revegetation with lime and fertiliser application
ترجمه فارسی عنوان
اثرات کیفیت آب آفتابگردان برهنه با استفاده از آهک و کود
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موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات ژئوشیمی و پترولوژی
چکیده انگلیسی
This paper presents results from a four-year study conducted to monitor the water quality impacts of a bare peat revegetation approach, which used landscape scale application of lime and fertiliser to encourage a grass nurse crop. This study considers an area of severely degraded blanket peat in the UK uplands, with large areas of bare peat prior to revegetation and provides the largest field dataset to date on the effects of this method on catchment run-off waters. Despite concerns that liming could increase DOC concentrations, the revegetation method is not shown to have this effect over the time period, and interestingly results in short term periods of suppression. The mechanism for this novel and unexpected finding merits further investigation and results in reduced DOC concentration, by up to 14 mg/l or 50% of control values, combined with periods of reduced colour carbon ratios. The data show that other nutrients were largely unaffected although rates of phosphate (PO43−) export were above recommended levels in the first year of application, suggesting initial phosphorus (P) application rates may require adjustment. Further investigation is required to consider the longer term effects of this restoration method as the vegetation matures.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Geochemistry - Volume 85, Part A, October 2017, Pages 97-105
نویسندگان
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