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Abstract

Thus, the extensive decrease in agricultural intensity that began in the early 1990s has led to only a slow and limited (especially regarding nitrogen) response in Latvian rivers. The difference noted between nitrogen and phosphorus also suggests that factors other than reduced fertiliser application influenced the inertia of the water quality response. Our findings, along with those obtained in similar studies, show that large cuts in nutrient inputs do not necessarily cause an immediate response, particularly in medium-sized and large catchment areas. (C) 2003 Elsevier B.V. All rights reserved.

Keywords

nitrogen; phosphorus; agricultural rivers; trend analysis; agricultural change; Latvia

Published in

Journal of Hydrology
2003, volume: 283, number: 1-4, pages: 184-205
Publisher: ELSEVIER SCIENCE BV

SLU Authors

UKÄ Subject classification

Environmental Sciences

Publication identifier

  • DOI: https://doi.org/10.1016/S0022-1694(03)00266-X

Permanent link to this page (URI)

https://res.slu.se/id/publ/42247