Forest health and ecosystem monitoring in Ireland, 2009 : FutMon Project, further development and implementation of an EU-Level forest monitoring system, project number LIFE07 ENV/D/000218

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dc.contributor.author Cummins, Thomas
dc.contributor.author Harrington, Fiona
dc.contributor.author Neville, Pat
dc.date.accessioned 2011-03-21T17:19:36Z
dc.date.available 2011-03-21T17:19:36Z
dc.date.issued 2011-02
dc.identifier.uri http://hdl.handle.net/10197/2866
dc.description.abstract This work aims to protect forests in Europe from effects of air pollution, and climate change, and to provide a basis for sustainable management of forest for multiple commercial and societal values. Monitoring of forest health and forest ecosystem processes reported here for 2009 was done under the EU Life+ FutMon Project Further Development and Implementation of an EU-Level Forest Monitoring System, project number LIFE07 ENV/D/000218. These studies extend a continuous series of projects at these sites since 1991, and related work begun in Ireland in 1988, of which the latest accessible report is Farrell and Boyle (2005). Reports for intervening years, 2003–2008 are in preparation. The monitoring procedures built on those in the previous projects and closely follow the ICP Manual (UN/ECE, 1998 and updates), while data reporting is in the formates specified by FutMon. FutMon surveys carried out in 2009, and reported here, are: visual assessment of crown condition and damaging agents; leaf-area-index measurements; air quality measurements; sampling and analysis of litterfall; sampling and analysis of deposition, and; sampling and analysis of soil-solution. The health status of the forests in Ireland is good. Level I plots were assessed between June and September 2009. The key indicator of that health status is defoliation, which has a mean value of 16% for the Level I network of thirty-two plots assessed here. Discolouration also shows low values, with a mean value of 0.61, averaged from values on a a scale of 0–4. This indicates that the central value for this survey is below 10% of crown discolouration, within the class of least damage. Leaf-area index measurements were done using hemispheric photographs. The values represent the ratio of green-leaf area to ground area, using upper-leaf area for broadleaves, and half of total-green area for needle-leaves. Leaf Area Index is lowest (2.11) for Brackloon, which is unmanaged, open-canopy semi-natural ancient oak, being much higher for the two productive spruce stands. The much higher values for the two spruce stands, around 6, are at the higher end of the range of LAI observed for boreal spruce forests. Air quality was assessed with Gradko passive samplers for ammonia, nitrogen dioxide, sulphur dioxide, and ozone (NH3, NO2, SO2 and O3). Ammonia levels were higher than in a comparable survey in 1999. Litterfall was collected, separated into fractions, and analysed for contents of nutrients and trace metals. Deposition, measured as precipitation, throughfall and stemflow, was collected and analysed weekly, and analysed for nutrient and other major elemental constituents. Soil-solution was also periodically sampled below the forest-floor organic horizon, and at two levels within the root-zone at two sites. Analysis demonstrates major elemental-turnover and redistribution processes at forest-ecosystem level, including dry-deposition onto foliage, foliar exchange, concentration by evaporation, interaction with soil organic matter, uptake by roots, effects of mineral weathering, and outputs to deep-soil water. These observations, combined with those throughout the twenty-year monitoring history, provide a basis for detecting change with external influences including major weather events, climate changes, specific deposition events, and also underpins investigation of the impact of novel management approaches, particularly whole-tree harvesting and more intensive recovery of harvest residues, as well as providing the means to assess exceedance of critical loads of acidity and of nutrient nitrogen. In combination, this monitoring provides the basis for ensuring forest health and the consequences of continued good health for forest-ecosystem services, and identifying change; for understanding the drivers of such change, including climate changes, and the effects of long-range transboundary air pollution; and for positive assessment of the effects of management decisions on sustainability. en
dc.description.sponsorship Not applicable en
dc.format.extent 37863 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher UCD Soil Science, University College Dublin and Coillte Research & Environment en
dc.relation.ispartofseries Forest Ecosystem Research Group Reports en
dc.subject Forest en
dc.subject Ecosystem en
dc.subject Research en
dc.subject Monitoring en
dc.subject Brackloon en
dc.subject Cloosh en
dc.subject Ballinastoe en
dc.subject Roundwood en
dc.subject Ballyhooly en
dc.subject Ireland en
dc.subject Forest health en
dc.subject Crown condition en
dc.subject Deposition en
dc.subject Soil-solution en
dc.subject Precipitation en
dc.subject Throughfall en
dc.subject Stemflow en
dc.subject Soil water en
dc.subject Lysimeter en
dc.subject Collector en
dc.subject Biogeochemistry en
dc.subject Nutrient cycle en
dc.subject Sustainability en
dc.subject Ecosystem services en
dc.subject Forest harvesting en
dc.subject Water quality en
dc.subject Air quality en
dc.subject leaf area index en
dc.subject Litterfall en
dc.subject ForFlux en
dc.subject SUAS en
dc.subject SIOS en
dc.subject Critical loads en
dc.subject Acidity en
dc.subject Nitrogen en
dc.subject.lcsh Forest health en
dc.subject.lcsh Forest management--Ireland en
dc.subject.lcsh Forest conservation--Ireland en
dc.subject.lcsh Forest ecology--Ireland
dc.subject.lcsh Forest monitoring--Ireland en
dc.subject.lcsh Forest health--Ireland en
dc.title Forest health and ecosystem monitoring in Ireland, 2009 : FutMon Project, further development and implementation of an EU-Level forest monitoring system, project number LIFE07 ENV/D/000218 en
dc.type Technical Report en
dc.internal.availability Full text available en
dc.status Not peer reviewed en
dc.neeo.contributor Cummins|Thomas|aut| en
dc.neeo.contributor Harrington|Fiona|aut| en
dc.neeo.contributor Neville|Pat|aut| en
dc.description.othersponsorship LIFE+, European Union en
dc.description.othersponsorship Forest Service, Department of Agriculture, Food and Fisheries
dc.description.admin New file uploaded by JG, MD checked and item released - OR 30/3/11


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