b'REFERENCESAbstracts were compiled and edited by Per-Erik Mellander, Simon Leach and Edward Burgess. The correct form of reference for this publication, which is based on a conference organised and hosted by Teagasc is:Per-Erik Mellander, Simon Leach, Edward Burgess (eds.) 2019. Catchment Science 2019,Agricultural Catchments Programme, Teagasc, Wexford, Ireland, pp xx-xx.ISBN 978-1-84170-655-9.Papers are included herein without any liability for loss or damage suffered as a result of their application or use. Reference herein to trade names and proprietary products without special acknowledgement does not imply that such names, as defined by the relevant protection laws, may be regarded as unprotected and thus for general use. No endorsement of named product is intended nor is any criticism implied of similar products which are not mentioned. Please note certain names of chemicals or products featured in this publication may be RegisteredTrademarks. This publication is copyright under the Berne Convention and the Universal CopyrightConvention. All rights reserved. Apart from any relaxation permitted under national copyright laws, no part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means without prior permission of the copyright owners. Permission is not, however, required to copy Abstracts of papers on condition that a full reference to the source is shown. Multiple copying of the contents of the publication without permission from both Teagasc and separately from the author, or other holder of the unilateral copyright, is always illegal.Teagasc cannot be held responsible for errors or any consequences arising from the use of information contained in this publication; the views and opinions expressed do not necessarily reflect those of Teagasc.ENQUIRIESEnquiries concerning the technical content of abstracts should be addressed directly to theauthors but other matters should be directed to Teagasc.Published by Teagasc Teagascii'