| Species | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April | |||||||||||||||||||||
| Alopecurus pratensis | 27.4 | 4.4 | 3.5 | 28.3 | 12.5 | 27.4 | 16.5 | 24.4 | 23.4 | 28.4 | 3.4 | 19.4 | 11.4 | 15.4 | 16.4 | 7.4 | 9.4 | 21.4 | 11.4 | 21.4 | ? |
| Ochlopoa annua | 10.5 | 16.5 | 16.5 | 17.4 | 8.5 | 30.4 | 30.4 | 24.4 | 25.4 | 20.4 | 4.4 | 13.4 | 12.4 | 15.5 | 20.4 | 2.5 | 9.4 | 21.4 | 21.4 | ? | ? |
| Bromus racemosus | 12.5 | ? | 14.5 | 24.4 | 8.5 | 27.4 | 16.5 | 2.5 | 8.5 | 19.5 | 25.4 | 7.5 | 10.5 | 16.5 | 2.5 | 1.5 | 23.4 | 10.5 | 28.4 | ? | ? |
| May | |||||||||||||||||||||
| Poa pratensis | ? | 4.6 | 4.6 | 2.5 | 14.5 | 16.5 | 27.5 | 5.5 | 10.5 | 20.5 | 27.4 | 13.5 | 9.5 | 15.5 | 9.5 | 13.5 | 26.4 | 18.5 | 12.5 | ? | ? |
| Dactylis glomerata | 20.5 | 23.5 | 14.5 | 2.5 | 17.5 | 9.5 | 27.5 | 5.5 | 19.5 | 18.5 | 17.4 | 13.5 | 19.5 | 16.5 | 12.5 | 17.5 | 7.5 | 28.5 | 12.5 | ? | ? |
| Poa trivialis | 15.6 | 29.5 | 2.6 | <3.6 | 4.6 | 24.6 | ? | ? | ? | 10.7 | ? | ? | ? | ? | 20.6 | ? | ? | 5.6 | 18.5 | ? | ? |
| Poa nemoralis | 11.5 | 18.5 | 15.5 | 22.5 | 26.5 | 25.5 | 28.5 | 18.5 | 24.5 | 10.6 | 14.5 | 27.5 | 19.5 | 20.5 | 16.5 | 18.5 | 8.5 | 19.5 | ? | ? | ? |
| Bromus hordeaceus | ? | 18.5 | ? | 23.5 | 25.5 | 25.5 | 6.6 | 9.5 | 20.5 | 1.6 | 14.5 | 4.6 | 9.6 | 25.5 | 27.5 | 31.5 | 16.5 | 19.5 | ? | ? | ? |
| Anthoxanthum odoratum | 9.5 | 15.5 | 15.5 | 17.4 | 11.5 | 9.5 | 5.5 | 6.5 | 10.5 | 19.5 | 23.4 | 9.5 | 7.5 | 17.5 | 29.4 | 13.5 | 21.4 | 20.5 | ? | ? | ? |
| Holcus lanatus | ? | 27.5 | 2.6 | 12.5 | 14.5 | 24.5 | ? | 13.5 | 17.6 | ? | 14.5 | 28.5 | 27.5 | 24.5 | 30.5 | 31.5 | 21.5 | ? | ? | ? | ? |
| Bromopsis inermis | 15.6 | 17.6 | ? | ? | 4.6 | 13.6 | ? | ? | ? | ? | ? | ? | 10.6 | ? | ? | ? | 24.5 | ? | ? | ? | ? |
| Trisetum flavescens | ? | ? | ? | 23.5 | 16.5 | 22.5 | ? | 23.5 | 27.5 | 18.6 | 23.6 | 7.6 | 5.6 | 18.6 | ? | 29.5 | 30.5 | 4.6 | 26.5 | ||
| Holcus mollis | 11.6 | 4.6 | 25.6 | 3.6 | 3.6 | 19.6 | 16.6 | 14.5 | 25.5 | 15.6 | 22.6 | ? | ? | ? | 30.5 | ? | 29.5 | ? | ? | ? | ? |
| June | |||||||||||||||||||||
| Lolium perenne | 3.6 | 29.5 | 2.6 | 1.5 | 20.5 | 23.5 | 14.6 | 18.5 | 24.5 | 13.6 | 14.5 | 15.5 | 24.5 | 23.5 | 12.5 | 19.5 | 16.5 | 6.6 | 2.6 | ? | ? |
| Milium effusum | ? | 25.5 | 3.6 | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Glyceria declinata | ? | ? | ? | ? | 10.6 | 4.6 | 27.6 | ? | 28.6 | 8.7 | 15.6 | 4.6 | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Arrhenatherum elatius | ? | ? | 8.6 | ? | 9.6 | 17.6 | ? | ? | 30.6 | ? | 30.5 | 7.6 | 11.6 | 30.5 | 16.5 | 1.5 | 16.5 | 6.6 | ? | ? | ? |
| Drymochloa sylvatica | 28.6 | 8.6 | ? | 6.6 | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Alopecurus geniculatus | ? | ? | 9.6 | 22.6 | 19.5 | 4.6 | ? | ? | ? | ? | ? | 9.6 | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Avenella flexuosa | 28.6 | 1.6 | 2.6 | 2.5 | 13.5 | 25.5 | 3.6 | 9.5 | 22.5 | 1.6 | 16.5 | 21.5 | 27.5 | 21.5 | 24.5 | 25.5 | 29.5 | 10.6 | ? | ? | ? |
| Glyceria fluitans | 7.6 | 1.6 | 4.6 | 10.5 | 13.5 | 3.6 | 11.6 | 21.5 | 22.5 | 15.6 | 5.6 | 11.6 | 26.6 | 26.5 | 24.5 | 25.5 | 29.5 | 10.6 | ? | ? | ? |
| Cynosurus cristatus | 3.6 | 25.5 | 2.6 | <3.6 | <7.6 | 19.6 | ? | ? | 9.6 | 13.6 | 15.6 | 11.6 | 4.7 | 5.7 | 30.5 | 3.7 | ? | 13.6 | ? | ? | ? |
| Phleum pratense | ? | 13.6 | 25.6 | 8.6 | 8.6 | 3.6 | 16.6 | 30.5 | 17.6 | 26.6 | 15.6 | 14.6 | 26.6 | 14.6 | 31.5 | 4.6 | 12.6 | 14.6 | ? | ? | ? |
| Elytrigia repens | 4.7 | 4.6 | 25.6 | 19.6 | 2.6 | 3.6 | ? | ? | 24.7 | 9.7 | 29.5 | 25.6 | 24.6 | 9.7 | 13.6 | ? | ? | 18.6 | ? | ? | ? |
| Phalaroides arundinacea | 28.6 | 10.6 | 20.6 | 12.6 | 10.6 | 9.6 | 6.7 | 23.7 | 25.7 | 8.7 | 22.6 | 26.6 | 10.7 | 14.6 | 18.6 | ? | ? | ? | ? | ? | ? |
| Festuca filiformis | ? | 29.5 | ? | ? | ? | ? | ? | ? | ? | 19.7 | ? | ? | 22.6 | ? | ? | ? | ? | ? | ? | ? | ? |
| Nardus stricta | ? | 11.6 | ? | ? | 10.6 | 9.6 | 26.6 | 7.6 | ? | ? | 22.6 | 26.6 | <10.8 | 25.5 | <6.7 | ? | 23.6 | ? | ? | ? | ? |
| Deschampsia cespitosa | 16.6 | 18.6 | 24.6 | 12.6 | 1.6 | 9.6 | 13.6 | 1.6 | 17.6 | 18.6 | 12.6 | 24.6 | 9.6 | 13.6 | 27.5 | 1.6 | 18.6 | 24.6 | ? | ? | ? |
| Festuca rubra | ? | 5.6 | 25.6 | 19.6 | ? | ? | ? | 14.6 | ? | ? | ? | ? | ? | ? | ? | ? | 25.6 | ? | ? | ? | ? |
| July | |||||||||||||||||||||
| Calamagrostis arundinacea | ? | 19.6 | ? | ? | 13.7 | ? | ? | ? | ? | 26.6 | ? | ? | ? | ? | ? | 26.6 | 2.7 | ? | ? | ? | ? |
| Agrostis gigantea | 17.7 | 6.8 | 18.7 | 16.7 | 13.7 | 15.8 | ? | ? | ? | 10.7 | ? | ? | 19.7 | ? | 2.7 | ? | ? | ? | ? | ? | ? |
| Agrostis capillaris | ? | 4.7 | ? | 7.7 | 9.7 | 14.7 | 5.7 | 10.7 | 9.7 | 8.7 | 16.7 | 7.7 | 19.7 | 3.7 | 28.6 | ? | 11.7 | 4.7 | ? | ? | ? |
| Molinia caerulea | 10.6 | 12.6 | 24.6 | 13.6 | 10.6 | 13.6 | 25.6 | 17.6 | 9.6 | 13.6 | 9.6 | 18.6 | 29.6 | 4.7 | 30.5 | 29.6 | 23.6 | 6.7 | ? | ? | ? |
| Agrostis stolonifera | ? | 28.6 | ? | 7.7 | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Agrostis canina | ? | ? | ? | <8.7 | ? | ? | ? | ? | ? | 10.7 | 26.7 | 18.7 | ? | 4.7 | ? | ? | 20.7 | ? | ? | ? | ? |
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