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Agricultural Conservation Practices and Aquatic Ecological Responses

USDA-ARS National Sedimentation Laboratory, Oxford, MS 38655, USA
USDA-ARS Soil Drainage Research Unit, Columbus, OH 43210, USA
Department of Biology, Purdue University Fort Wayne, Fort Wayne, IN 46805, USA
University of Mississippi Field Station, The University of Mississippi, Abbeville, MS 38601, USA
Author to whom correspondence should be addressed.
Academic Editor: Anas Ghadouani
Water 2021, 13(12), 1687;
Received: 19 May 2021 / Revised: 14 June 2021 / Accepted: 15 June 2021 / Published: 18 June 2021
Conservation agriculture practices (CAs) have been internationally promoted and used for decades to enhance soil health and mitigate soil loss. An additional benefit of CAs has been mitigation of agricultural runoff impacts on aquatic ecosystems. Countries across the globe have agricultural agencies that provide programs for farmers to implement a variety of CAs. Increasingly there is a need to demonstrate that CAs can provide ecological improvements in aquatic ecosystems. Growing global concerns of lost habitat, biodiversity, and ecosystem services, increased eutrophication and associated harmful algal blooms are expected to intensify with increasing global populations and changing climate. We conducted a literature review identifying 88 studies linking CAs to aquatic ecological responses since 2000. Most studies were conducted in North America (78%), primarily the United States (73%), within the framework of the USDA Conservation Effects Assessment Project. Identified studies most frequently documented macroinvertebrate (31%), fish (28%), and algal (20%) responses to riparian (29%), wetland (18%), or combinations (32%) of CAs and/or responses to eutrophication (27%) and pesticide contamination (23%). Notable research gaps include better understanding of biogeochemistry with CAs, quantitative links between varying CAs and ecological responses, and linkages of CAs with aquatic ecosystem structure and function. View Full-Text
Keywords: conservation; ecology; habitat; eutrophication; pesticides; agroecosystems conservation; ecology; habitat; eutrophication; pesticides; agroecosystems
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MDPI and ACS Style

Lizotte, R.E.; Smiley, P.C.; Gillespie, R.B.; Knight, S.S. Agricultural Conservation Practices and Aquatic Ecological Responses. Water 2021, 13, 1687.

AMA Style

Lizotte RE, Smiley PC, Gillespie RB, Knight SS. Agricultural Conservation Practices and Aquatic Ecological Responses. Water. 2021; 13(12):1687.

Chicago/Turabian Style

Lizotte, Richard E., Peter C. Smiley, Robert B. Gillespie, and Scott S. Knight. 2021. "Agricultural Conservation Practices and Aquatic Ecological Responses" Water 13, no. 12: 1687.

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