On the cover: Wild pigs potentially contribute to nutrients, pathogens, and antimicrobial resistance in surface water. See Brooks et al., “A preliminary investigation of wild pig (Sus scrofa) impacts in water quality,” https://doi.org/10.1002/jeq2.20036. Photo by Jane Dentinger.

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封面图片，第49卷，第1期

封面人物：野生猪可能会增加地表水中的营养，病原体和抗菌素耐药性。参见Brooks等人，“野猪（Sus scrofa）对水质影响的初步调查”，https：//doi.org/10.1002/jeq2.20036。简·丹丁格（Jane Dentinger）摄影。