Reducing Nutrient Losses From Cropland in the Mississippi/Atchafalaya River Basin: Cost Efficiency and Regional Distribution

Elizabeth Marshall ; Marcel Aillery ; Marc Ribaudo , Nigel Key ; Stacy Sneeringer ; LeRoy Hansen ; Scott Malcolm ; Anne Riddle

United States Department of Agriculture

关键词: hypoxia;    targeting;    compliance;    Gulf of Mexico;    Mississippi/Atchafalaya River Basin;    conservation practices;    wetlands;    buffers;    nitrogen reduction;    phosphorus reduction;    nutrient runoff;    dead zone;   

RP-ID  :  ERR-258

学科分类：农业科学（综合）

美国|英语

来源: United States Department of Agriculture Publications

【 摘 要 】

Every summer, a “hypoxic zone” in the Gulf of Mexico (dissolved oxygen too low for many aquatic species to survive) is fueled by nutrient (nitrogen and phosphorus) runoff from the Mississippi/Atchafalaya River Basin (MARB), most of which comes from agriculture. This report assesses the most cost-effective way of achieving a 45-percent reduction in cropland nutrient loads to the Gulf.See related Amber Waves article: Cost-Effective Strategies for Reducing Cropland Nutrient Deliveries to the Gulf of Mexico.