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It is important for carbon dynamics, edaphic communities, and maintaining site fertility. Reliable information on the carbon and nutrient input from litterfall, provided by litter traps, is relevant to a wide audience including policy makers and soil scientists. We used litterfall observations of 320 plots from the pan\u2010European forest monitoring network of the \u201cInternational Co\u2010operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests\u201d to quantify litterfall fluxes. Eight litterfall models were evaluated (four using climate information and four using biomass abundance). We scaled up our results to the total European forest area and quantified the contribution of litterfall to the forest carbon cycle using net primary production aggregated by bioregions (north, central, and south) and by forest types (conifers and broadleaves). The 1,604 analyzed annual litterfall observations indicated an average carbon input of 224\u00a0g\u00a0C\u00a0\u00b7\u00a0m<jats:sup>\u22122<\/jats:sup>\u00a0\u00b7\u00a0year<jats:sup>\u22121<\/jats:sup>(annual nutrient inputs 4.49\u00a0g\u00a0N, 0.32\u00a0g\u00a0P, and 1.05\u00a0g\u00a0K\u00a0\u00b7\u00a0m<jats:sup>\u22122<\/jats:sup>), representing a substantial percentage of net primary production from 36% in north Europe to 32% in central Europe. The annual turnover of carbon and nutrient in broadleaf canopies was larger than for conifers. The evaluated models provide large\u2010scale litterfall predictions with a bias less than 10%. Each year litterfall in European forests transfers 351\u00a0Tg\u00a0C, 8.2\u00a0Tg\u00a0N, 0.6\u00a0Tg\u00a0P, and 1.9\u00a0Tg\u00a0K to the forest floor. The performance of litterfall models may be improved by including foliage biomass and proxies for forest management.<\/jats:p>","DOI":"10.1029\/2017gb005825","type":"journal-article","created":{"date-parts":[[2018,4,18]],"date-time":"2018-04-18T15:53:30Z","timestamp":1524066810000},"page":"784-798","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":118,"title":["Quantifying Carbon and Nutrient Input From Litterfall in European Forests Using Field Observations and Modeling"],"prefix":"10.1029","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2472-943X","authenticated-orcid":false,"given":"Mathias","family":"Neumann","sequence":"first","affiliation":[{"name":"Institute of Silviculture, Department of Forest and Soil Sciences University of Natural Resources and Life Sciences Vienna Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liisa","family":"Ukonmaanaho","sequence":"additional","affiliation":[{"name":"Natural Resources Institute Finland Helsinki Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9008-111X","authenticated-orcid":false,"given":"James","family":"Johnson","sequence":"additional","affiliation":[{"name":"School of Agriculture and Food Science University College Dublin Dublin Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sue","family":"Benham","sequence":"additional","affiliation":[{"name":"Forest Research, Alice Holt Lodge Farnham UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0309-3735","authenticated-orcid":false,"given":"Lars","family":"Vesterdal","sequence":"additional","affiliation":[{"name":"Department of Geosciences and Natural Resource Management University of Copenhagen Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Radek","family":"Novotn\u00fd","sequence":"additional","affiliation":[{"name":"Forestry and Game Management Research Institute Praha Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arne","family":"Verstraeten","sequence":"additional","affiliation":[{"name":"Research Institute for Nature and Forest Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7451-6147","authenticated-orcid":false,"given":"Lars","family":"Lundin","sequence":"additional","affiliation":[{"name":"Swedish University of Agricultural Sciences Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4685-1957","authenticated-orcid":false,"given":"Anne","family":"Thimonier","sequence":"additional","affiliation":[{"name":"Swiss Federal Institute for Forest, Snow and Landscape Research WSL Birmensdorf Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Panagiotis","family":"Michopoulos","sequence":"additional","affiliation":[{"name":"Forest Research Institute of Athens Athens Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hubert","family":"Hasenauer","sequence":"additional","affiliation":[{"name":"Institute of Silviculture, Department of Forest and Soil Sciences University of Natural Resources and Life Sciences Vienna Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"13","published-online":{"date-parts":[[2018,5,9]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.1974.1100705"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/brv.12119"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1139\/x00-172"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0065-2504(08)60331-1"},{"key":"e_1_2_7_6_1","first-page":"10","article-title":"Holz, Blattmenge und Zuwachs. 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