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Version 3.1 by Hyunji Cho on 2022/05/16 09:14
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1 = 2.3.6 Carbon sequestration in vegetation and soil =
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4 ====== **Description** ======
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6 Total carbon removed or stored.
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8 Accounting for C stored in soil and vegetation in an urban area can indicate the condition of natural green spaces, total free surface area and total quantity of vegetation in the area examined. Measures of C storage and sequestration also provide a tangible connection to climate change mitigation, and the impacts of local land use, planning and management decision-making. It is important to note the substantial variation in C sequestration and storage capacity of different types of NBS
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11 ====== **Scale as linked to D2.2 framework** ======
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15 * Project area
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18 ====== **Data source [ link to data framework]** ======
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20 * CORINE landcover information or similar local dataset (2.2.4)
21 * Data need to be collected manually by the project personnel.
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24 ====== **Data needs** ======
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26 * New green space (m^^2^^) created by the DivAirCity interventions
27 * Pre-existing area of greenspace enhanced by the DivAirCity interventions
28 * Tree cover after the prototypes
29 * Total area of green roofs after the DivAirCity interventions including:
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31 *** area of intensive green roofs
32 *** area of semi-intensive green roofs
33 *** area of extensive green roofs
34 * Ratio evergreen to deciduous new trees (new planting)
35 * Ratio of evergreen to deciduous new trees before intervention
36 * Ratio of evergreen to deciduous new trees after intervention
37 * Expected CO2 sequestration potential of each new species planted at maturity
38 * Expected time taken for each new species to reach maturity
39 * Carbon storage and sequestration in vegetation
40 * Carbon storage and sequestration in soil
41 * Net forest growth rate for the most common type group in region
42 * Mean canopy cover percentage for all forested pixels in the region
43 * Mean canopy cover percentage for all non-forest pixels in region
44 * Area sum of all non-forest pixels in region
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47 ====== **Expected Outputs** ======
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49 * Measured as per unit area per unit time
50 * tonnes/ha/y or similar unit
51 * Annual data collection or before (baseline) and after the intervention
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54 ====== **Calculation methods** ======
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56 To evaluate C removal or storage per unit area per unit time:
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58 * Determine C storage in vegetation or soil as described in Carbon storage and sequestration in vegetation or Carbon storage and sequestration in soil indicators, respectively, for the same area at two different points in time
59 * Divide each C storage value obtained by the area assessed to determine C storage per unit area
60 * Subtract the earlier value obtained for C storage and sequestration/unit area from the more recent value, then divide by the length of time between measures to obtain an estimate of C removal or storage per unit area per unit time.
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62 The growth rate of a forest has significant impact on its C storage potential. Forest C sequestration (FCS) is usually estimated as a function of forest area, forest type, and forest age:
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64 (% aria-label="1641934636176-732.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:https://divairwiki.eco-wise.co.uk/bin/download/5.%20Metrics%20and%20KPIs/5.3%3A%20External%20References%20-%20EU%20independent%20Expert%20Report/1.1%20Carbon%20Removed%20or%20Stored%20in%20Vegetation%20or%20Soil/WebHome/1641934636176-732.png?width=311&height=205&rev=1.1||alt="1641934636176-732.png" data-widget="image" height="205" width="311"]]
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67 ====== **Links and references** ======
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69 * Smith, J.E., Heath, L.S., Skog, K.E., & Birdsey, R.A. (2006). Methods for Calculating Forest Ecosystem and Harvested Carbon with Standard Estimates for Forest Types of the United States. USDA Forest Service Report GTR-NE-343. Newtown Square, PA: Northeastern Research Station, United States Department of Agriculture, Forest Service.
70 * Zheng, D., Ducey, M.J. & Heath, L.S. (2013). Assessing net carbon sequestration on urban and community forests of northern New England, USA. Urban Forestry & Urban Greening, 12, 61- 68.
71 * Zheng, D., Heath, L.S., Ducey, M.J. & Smith, J.E. (2011). Carbon changes in conterminous US forests associated with growth and major disturbances: 1992–2001. Environmental Research Letters, 6, 014012.
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74 Revisions
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76 |**Version**|**Name**|**Date**|**Changes made**
77 |**0.1**|Emily (EcoWise)|11/01/2022|Indicator factsheet created
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