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Forests can mitigate climate change by the long-term carbon sequestration in forest stands and soils. However, a loss of carbon in forest biomass and soils have adverse effects. Thus, we need a thorough inventory of the greenhouse gas balance of forests in order to assess the role of forests and forestry in climate protection.
Background and Objective
Due to the ratification of the United Nations Framework Convention on Climate Change (UNFCCC) and the Kyoto protocol, Germany is obliged to report yearly of the effects of land use, land-use change and forestry (LULUCF) on the greenhouse gas balance.
Approach
Carbon sequestration or loss in forestsis detectedmainlyinfivepools. In stock, these are the above-groundbiomass, below-ground biomass and dead wood. Inforest soilsthelitter andmineral soilare recorded.Main sources of informationfor this is theNational Forest Inventory(NFI) andtheNational Soil Inventory (BZE). Theinventory dataforthe changeofgrowingstockare converted intocarbon stockswithbiomassexpansionfactors.These calculationswill be updatedcontinuously through theuse of the latestresearchresultsand otherdatasources. Thesoil datafor thechange in thecarbon stockare derivedviamodelsfor the spatialtransmissionofthedataof BZE. There isalsoacalculationfor emissions ofothergreenhouse gases such asCH4orN20, for example, fromforest firesandchangesin the water balanceof bog forest.
Preliminary Results
The carbon storage in German forests has increased in the last 20 years. A yearly carbon sequestration rate of 52 m tons of CO2 eqivalents indicates the role of forests as a major sink for carbon dioxid from the atmosphere. In the year 2012 the forests stored 993 m t C in the biomass above-ground, 156 m t C in the biomass below-ground, and 20 m t C in the dead wood debris. In the organic layer and the mineral soil in addition 850 m t C were found. The recent total storage of more than 2 bn t C in forests throughout Germany exceeds the value from 1990 by approximately 300 m t.
Thünen-Contact
Involved Thünen-Partners
Involved external Thünen-Partners
- Umweltbundesamt (UBA)
(Dessau-Roßlau, Deutschland)
Duration
Permanent task 1.2001
More Information
Project status:
ongoing
Publications
- 0
Gensior A, Fuß R, Dunger K, Stümer W, Döring U (2022) Chapter 6.1: Overview (CRF Sector 4). Climate Change 2022/25:534-583
- 1
Gensior A, Fuß R, Laggner A, Laggner B, Stümer W, Adam S, Dunger K, Döring U (2022) Chapter 6.2: Land-use definitions and land-use classification systems, and their reflection in the LULUCF categories. Climate Change 2022/25:584-588
- 2
Gensior A, Fuß R, Laggner A, Laggner B, Stümer W, Adam S, Dunger K, Döring U (2022) Chapter 6.3: Information on approaches used for determining relevant land areas and on the sources of land-use data used. Climate Change 2022/25:589-610
- 3
Stümer W, Dunger K, Riedel T, Ziche D, Grüneberg E, Wellbrock N, Oehmichen K, Adam S, Döring U (2022) Chapter 6.4: Forest Land (4.A). Climate Change 2022/25:610-649
- 4
Bolte A (2020) Wie lassen sich die Wälder in Deutschland als Kohlenstoffsenke erhalten? Ländl Raum (ASG) 71(2):17-19
- 5
Röhling S, Demant B, Dunger K, Neubauer M, Oehmichen K, Riedel T, Stümer W (2019) Equations for estimating belowground biomass of Silver Birch, Oak and Scots Pine in Germany. iForest 12(2):166-172, DOI:10.3832/ifor2862-012
- 6
Riedel T, Hennig P, Kroiher F, Polley H, Schmitz F, Schwitzgebel F (2017) Die dritte Bundeswaldinventur : BWI 2012 ; Inventur- und Auswertungsmethoden. Berlin: Bundesministerium für Ernährung und Landwirtschaft (BMEL), 115 p
- 7
Stümer W, Oehmichen K, Dunger K, Steuk J (2013) Chapter 11: Supplementary information required under article 7, paragraph 1 of the Kyoto Protocol. Clim Change 2013/9:662-687
- 8
Freibauer A, Dunger K, Gensior A, Riedel T, Laggner A, Stümer W (2013) Chapter 19.5: Other detailed methodological descriptions for the source/sink category "Land-use change and forestry" (5). Clim Change 2013/9:787-809
- 9
Freibauer A, Dunger K, Gensior A, Riedel T, Laggner A, Laggner A, Stümer W (2013) Chapter 7.1: Land use, land use change and forestry: Overview (CRF Sector 5). Clim Change 2013/9:471-497
- 10
Dunger K, Stümer W, Oehmichen K, Riedel T, Ziche D, Grüneberg E, Wellbrock N (2013) Chapter 7.2: Land use, land use change and forestry: Forest land (5.A). Clim Change 2013/9:498-547
- 11
Osterburg B, Rüter S, Freibauer A, Witte T de, Elsasser P, Kätsch S, Leischner B, Paulsen HM, Rock J, Röder N, Sanders J, Schweinle J, Steuk J, Stichnothe H, Stümer W, Welling J, Wolff A (2013) Handlungsoptionen für den Klimaschutz in der deutschen Agrar- und Forstwirtschaft. Braunschweig: Johann Heinrich von Thünen-Institut, 158 p, Thünen Rep 11, DOI:10.3220/REP_11_2013
- 12
Bolte A, Riedel T, Stümer W, Dunger K, Laggner A (2013) Landschaft im Wandel : wie sich die Landnutzung und der Aufbau unserer Wälder in den letzten Jahrzehnten verändert hat. Forschungsreport Ernähr Landwirtsch Verbrauchersch(2):44-45
- 13
Rock J, Bolte A (2011) Auswirkungen der Waldbewirtschaftung 2002 bis 2008 auf die CO2-Bilanz. AFZ Der Wald 66(15):22-24
- 14
Oehmichen K, Demant B, Dunger K, Grüneberg E, Hennig P, Kroiher F, Neubauer M, Polley H, Riedel T, Rock J, Schwitzgebel F, Stümer W, Wellbrock N, Ziche D, Bolte A (2011) Inventurstudie 2008 und Treibhausgasinventar Wald. Braunschweig: vTI, 164 p, Landbauforsch SH 343
- 15
Bolte A, Wellbrock N, Dunger K (2011) Wälder, Klimaschutz und Klimaanpassung : welche Maßnahmen sind umsetzbar? AFZ Der Wald 66(2):27-29
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