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Last modified by Emily West on 2022/01/11 17:03
From version 5.1
edited by Emily West
on 2022/01/05 13:51
Change comment: There is no comment for this version
To version 3.1
edited by Emily West
on 2022/01/05 13:31
Change comment: There is no comment for this version

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31 31  * Object
32 32  )))
33 33  |(% style="width:211px" %)(((
34 -====== **Data source [ link to data framework]** ======
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36 -* measurement/monitoring
37 -* remote sensing in some cases
38 -)))
34 +====== **Source [ link to data framework]** ======
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39 39  |(% style="width:211px" %)(((
40 40  ====== **Needs** ======
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42 -* measured data of biomass size (e.g. diameter at breast height (DBH), full height, trunk height, crown diameter of trees)
43 -* basic climatic data (average temperatures and sum of precipitation, length of vegetation period)
44 -)))
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45 45  |(% style="width:211px" %)(((
46 46  ====== **Expected Outputs** ======
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48 -* numerical value in units tC/ha/year
49 -* occasional or continuous measurement
50 -* graphic map
51 -)))
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52 52  |(% style="width:211px" %)(((
53 53  ====== **Calculation methods** ======
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55 -* Self-developed equations, e.g. in the case of trees:
56 -** Cbt+1 = Cbt + Kc[Gbt – Mst – Tt – Ht]
57 -** where: Cbt: carbon stored in living biomass at time ‘t’ (tC/ha) Gbt: biomass growth at time ‘t’ Tt: biomass turnover at time ‘t’ Mst: tree mortality due to senescence at time ‘t’ Ht: harvest at time t’
58 -** Gb = Kv * Ys
59 -** where: Kv: constant to convert volume yields into dry biomass (basic wood density, in tons of dry biomass per m3 of fresh stemwood volume Ys: the volume yield of stem wood (m3ha-1yr-1 )
60 -* ecosystem-specific proxies
61 -)))
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63 63  ====== **Links and references** ======
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65 -* McPherson., G.E., van Doorn, N.S:, Peper, P.J., 2016. Urban Tree Database and Allometric Equations. General Technical Report PSW-GTR-253. USDA Forest Service, USA
66 -* Russo, A., Escobedo, F.J., Timilsina, N., Schmitt, A.O., Varela, S., Zerbe, S., 2014. Assessing urban tree carbon storage and sequestration in Bolzano, Italy, International Journal of Biodiversity Science, Ecosystem Services & Management 10:1, 54-70, doi:10.1080/21513732.2013.873822
67 -* USDA (2015). I-Tree Eco Manual. Northern Research Station, USDA Forest Service, Website. [online] URL: http:~/~/www.itreetools.org/resources/manuals/Eco_Manual_ v5.pdf
68 -)))
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69 69  
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71 71