主题：【已应助】求助4篇文献，谢谢大家！

【序号】：1
【作者】：Peterjohn, W. T. and Correll, D. L. 
【题名】：Nutrient dynamics in an agricultural watershed - observations on the role of a riparian forest.
【期刊】：Ecology
【年, 卷(期), 起止页码】：1984. 65(5):1466-1475.       
【全文链接】：http://www.esajournals.org/doi/abs/10.2307/1939127

【序号】：2
【作者】：Haycock, N. E. and Pinay, G. 
【题名】：Groundwater nitrate dynamics in grass and poplar vegetated riparian buffer strips during the winter.
【期刊】：J Environ Qual
【年, 卷(期), 起止页码】：1993. 22(2):273-278.       
【全文链接】：https://dl.sciencesocieties.org/publications/jeq/abstracts/22/2/JEQ0220020273

【序号】：3
【作者】：Eastman, J. A. and Ferguson, J. F. 
【题名】：Solubilization of particulate organic carbon during the acid phase of anaerobic digestion.
【期刊】：Journal (Water Pollution Control Federation)
【年, 卷(期), 起止页码】：1981.352-366.       
【全文链接】：http://www.jstor.org/discover/10.2307/25041085?uid=3737800&uid=377091603&uid=2&uid=3&uid=60&sid=21102499447261

【序号】：4
【作者】：Gopal, B. 
【题名】：Natural and constructed wetlands for wastewater treatment: Potentials and problems.
【期刊】：Water Science and Technology
【年, 卷(期), 起止页码】：1999. 40(3):27-35.       
【全文链接】：http://www.sciencedirect.com/science/article/pii/S0273122399004680