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Institute of

WO Forest Ecosystems

Project

Greenhouse gas inventory for forests


Lead Institute WO Institute of Forest Ecosystems

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.

Involved external Thünen-Partners

Duration

Permanent task 1.2001

More Information

Project status: ongoing

Publications

  1. 0

    Bolte A (2020) Wie lassen sich die Wälder in Deutschland als Kohlenstoffsenke erhalten? Ländl Raum (ASG) 71(2):17-19

  2. 1

    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

  3. 2

    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

    https://literatur.thuenen.de/digbib_extern/dn060229.pdf

  4. 3

    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

  5. 4

    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

  6. 5

    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

  7. 6

    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

  8. 7

    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

    https://literatur.thuenen.de/digbib_extern/dn052858.pdf

  9. 8

    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

    https://literatur.thuenen.de/digbib_extern/dn053216.pdf

  10. 9

    Rock J, Bolte A (2011) Auswirkungen der Waldbewirtschaftung 2002 bis 2008 auf die CO2-Bilanz. AFZ Der Wald 66(15):22-24

    https://literatur.thuenen.de/digbib_extern/dn048919.pdf

  11. 10

    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

    https://literatur.thuenen.de/digbib_extern/dn048141.pdf

  12. 11

    Bolte A, Wellbrock N, Dunger K (2011) Wälder, Klimaschutz und Klimaanpassung : welche Maßnahmen sind umsetzbar? AFZ Der Wald 66(2):27-29

    https://literatur.thuenen.de/digbib_extern/dn048172.pdf

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