Forest Condition in Europe - ICP Forests

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14 Forest Condition in Europe 2013 P Forests (2010) Manual on methods and criteria for harmonized sampling, assessment, monitoring and analysis of the effects of air pollution on forests. UNECE, ICP Forests, Hamburg. ISBN: 978-3-926301-03-1, [http://www.icp-forests.org/Manual.htm]
Forest Condition in Europe 2013 15 3. Tree crown condition and damage causes 3.1. Large scale tree crown condition 3.1.1. Methods of the 2012 survey The annual transnational tree condition survey was conducted on 6 807 plots in 28 countries including 19 EU-Member States (Tab. 3.1.1-1). The assessment was carried out under national responsibilities according to harmonized methods laid down in ICP Forests. Prior to the evaluation all data were checked for consistency by the participating countries and submitted online to the Programme Coordinating Centre at the Institute for World Forestry in Hamburg, Germany. Table 3.1.1-1: Number of sample plots assessed for crown condition from 2000 to 2012 country 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Austria 130 130 133 131 136 136 135 140 Belgium 29 29 29 29 29 29 27 27 26 26 9 9 8 Bulgaria 108 108 98 105 103 102 97 104 98 159 159 159 159 Cyprus 15 15 15 15 15 15 15 15 15 15 15 15 Czech Republic 139 139 140 140 140 138 136 132 136 133 132 136 135 Denmark 21 21 20 20 20 22 22 19 19 16 18 18 18 Estonia 90 89 92 93 92 92 92 93 92 92 97 98 97 Finland 453 454 457 453 594 605 606 593 475 886 932 717 785 France 516 519 518 515 511 509 498 506 508 500 532 544 553 Germany 444 446 447 447 451 451 423 420 423 412 411 410 415 Greece 93 92 91 87 97 98 Hungary 63 63 62 62 73 73 73 72 72 73 72 72 74 Ireland 20 20 20 19 19 18 21 30 31 32 29 20 Italy 255 265 258 247 255 238 251 238 236 252 253 253 245 Latvia 94 97 97 95 95 92 93 93 92 92 207 206 203 Lithuania 67 66 66 64 63 62 62 62 70 72 75 77 79 Luxembourg 4 4 4 4 4 4 4 4 Netherlands 11 11 11 11 11 11 11 11 11 Poland 431 431 433 433 433 432 376 458 453 376 376 376 369 Portugal 149 150 151 142 139 125 124 Romania 235 232 231 231 226 229 228 218 231 252 254 257 Slovak Republic 111 110 110 108 108 108 107 107 108 108 108 109 108 Slovenia 41 41 39 41 42 44 45 44 44 44 44 44 44 Spain 620 620 620 620 620 620 620 620 620 620 620 620 620 Sweden 769 770 769 776 775 784 790 857 832 641 609 United Kingdom 89 86 86 86 85 84 82 32 87 EU 4982 5004 4997 4887 5039 5110 4938 3887 3522 5104 5509 4758 4813 Andorra 3 3 3 3 3 3 3 3 Belarus 408 408 407 406 406 403 398 400 400 410 411 417 Croatia 83 81 80 78 84 85 88 83 84 83 84 92 100 Republic of Moldova 10 10 Norway 382 408 414 411 442 460 463 476 481 487 491 496 496 Russia 365 288 295 Serbia 103 130 129 127 125 123 130 130 130 130 Switzerland 49 49 49 48 48 48 48 48 48 48 48 48 48 Turkey 43 396 560 554 563 578 Total Europe 5914 5960 5947 5933 6152 6235 6065 5065 5057 7190 7518 6802 6168 Similar to the previous Forest Condition Report, data on forest damage causes collected in 2012 are analysed and detailed results presented in Chapter 3.2. The spatial distribution of the plots assessed in 2012 is shown in Fig. 3.1.1-1.For certain analyses of defoliation, the Level I plots are stratified according to the European Forest Types (EFT). The system of EFT was developed in 2006 by the European Environment Agency (EEA) of the European Union in cooperation with experts from some European countries coordinated by the Italian Academy of Forest Sciences. After improvements and refinements based on experts’ knowledge and information gained from NFIs plots, forest maps and forest management plans, the classification of European forests into forest types became operational. The system of the European Forest Types consists of 14 categories, representing groups of
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