The Irish agricultural catchments programme: catchment selection using spatial multi-criteria decision analysis

Article

Fealy, R. M., Buckley, C., Mechan, S., Melland, A., Mellander, P. E., Shortle, G., Wall, D. and Jordan, P.. 2010. "The Irish agricultural catchments programme: catchment selection using spatial multi-criteria decision analysis ." Soil Use and Management. 26 (3), pp. 225-236. https://doi.org/10.1111/j.1475-2743.2010.00291.x
Article Title

The Irish agricultural catchments programme: catchment selection using spatial multi-criteria decision analysis

ERA Journal ID5277
Article CategoryArticle
AuthorsFealy, R. M. (Author), Buckley, C. (Author), Mechan, S. (Author), Melland, A. (Author), Mellander, P. E. (Author), Shortle, G. (Author), Wall, D. (Author) and Jordan, P. (Author)
Journal TitleSoil Use and Management
Journal Citation26 (3), pp. 225-236
Number of Pages12
Year2010
PublisherJohn Wiley & Sons
Place of PublicationChichester, West Sussex. United Kingdom
ISSN0266-0032
1475-2743
Digital Object Identifier (DOI)https://doi.org/10.1111/j.1475-2743.2010.00291.x
Web Address (URL)http://onlinelibrary.wiley.com/doi/10.1111/j.1475-2743.2010.00291.x/pdf
Abstract

The Nitrates Directive is a European Union legislative framework for managing agricultural nutrient transfers from land to water and, in the Republic of Ireland, is the main Programme of Measures for agriculture in the Water Framework Directive regulations. As part of the requirement for evaluating the Nitrates Directive National Action Programme and an associated derogation for intensive grassland farming, Ireland is monitoring environmental and economic effectiveness at the catchment scale. The selection of representative catchments has been undertaken using national spatial datasets in a Geographical Information System and a multi-criteria decision analysis (MCDA) framework from over 1500 possible candidates. This ranked catchments (4-12 km 2) in terms of maximizing agricultural landuse and intensity, and defining areas of predominantly grassland and arable enterprises. Catchments were also ranked according to potential phosphorus and/or nitrogen transfer risk using metrics of surface and sub-surface flow path susceptibility, respectively. A selection of four catchments has been augmented with a grassland catchment in a karst landscape that used individual MCDA data layers to define suitability. Some validation of the nutrient transfer risk from each catchment is presented from high resolution water quality data.

Keywordscatchments; GIS; MCDA; nitrates directive
ANZSRC Field of Research 2020300206. Agricultural spatial analysis and modelling
440704. Environment policy
300201. Agricultural hydrology
Public Notes

© 2010 The Authors and British Society of Soil Science. Permanent restricted access to published version in accordance with the copyright policy of the publisher.

Byline AffiliationsTeagasc Agriculture and Food Development Authority, Ireland
University of Ulster, United Kingdom
Institution of OriginUniversity of Southern Queensland
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