《森林生态学》课程教学资源（专题讲座）YASSO07 - a Soil Carbon Budgeting Model Backgrounds – Use - Interpretation

YASSO07-a Soil Carbon Budgeting Model Backgrounds-Use-Interpretation Michael Englisch Department for Forest Ecology and Soils Federal Forest Research Centre,Vienna Austria Northwest A&F University,College of Forestry,Yangling October 2013

Michael Englisch Department for Forest Ecology and Soils Federal Forest Research Centre, Vienna Austria Northwest A & F University, College of Forestry, Yangling October 2013 YASSO07 – a Soil Carbon Budgeting Model Backgrounds – Use - Interpretation

Aim of this lecture Give background on how to assess changes in soil carbon Give an overview on YASSO07 model Why you could use YASSO07 model What you can do with YASSO07 model ·Some pitfalls Have a little bit of practice B FW nstitut fur Waldokologie und Boden

Aim of this lecture • Give background on how to assess changes in soil carbon • Give an overview on YASSO07 model • Why you could use YASSO07 model • What you can do with YASSO07 model • Some pitfalls • Have a little bit of practice

Contents (Very short)Introduction to Austrian forests and useful data in Austria for YASSO07 Background:possibilities to measure and calculate changes in soil carbon;advantages and draw-backs;why use models;why use YASSO07? Introduction to YASSO07; Data requirements for YASSO07; ·Using YASSO07; examples of applications and analyses; 3 FW conclusions

Contents • (Very short) Introduction to Austrian forests and useful data in Austria for YASSO07 • Background: possibilities to measure and calculate changes in soil carbon; advantages and draw-backs; why use models; why use YASSO07? • Introduction to YASSO07; • Data requirements for YASSO07; • Using YASSO07; • examples of applications and analyses; • conclusions

B FW nstitut fur Waldokologie und Boden

Austria: Forest area 4.000.000 ha(47.6 % timber stock 1135 Mill m3, (337m3.ha1)[ANF12007/09] Main tree species:Picea abies,Fagus sylvatica

Austria: Forest area 4.000.000 ha (47.6 %) timber stock 1135 Mill m³, (337 m³.ha-1 ) [ANFI 2007/09] Main tree species: Picea abies, Fagus sylvatica

Forest area and wood production in Austria: A history of change Year Forest Raked litter Bark for Wood Increase area ) tanning production [m.a1] [Mill.ha] ) [Mill.m3] 1913 3,203 670000 74000 8,3 (3) 1926 3,137 1952/56 3,359 0 (3) 1961/70 3,691 ~0 5,8 1971/80 3,753 -0 0 13,0 6,3 1986/90 3,878 0 0 14,0 1992/96 3,924 ~0 ~0 18,0 8,2 2000/02 3,960 0 0 17,9 9,3 Data from Austrian National Forest Inventory (1952ff) B FW nstitut fur Waldokologie und Boden

Forest area and wood production in Austria: A history of change Year Forest area [Mill. ha] Raked litter [t] Bark for tanning [t] Wood production [Mill. m3 ] Increase [m3 .a-1 ] 1913 3,203 670000 74000 8,3 (3) 1926 3,137 -- -- -- -- 1952/56 3,359 -- ~0 -- (3) 1961/70 3,691 -- ~0 -- 5,8 1971/80 3,753 ~0 ~0 13,0 6,3 1986/90 3,878 ~0 ~0 14,0 -- 1992/96 3,924 ~0 ~0 18,0 8,2 2000/02 3,960 ~0 ~0 17,9 9,3 Data from Austrian National Forest Inventory (1952ff)

Monitoring Networks in Austria based on the grid of Austrian National Forest Inventory Austrian National Forest Inventory Forest Damage Monitoring System ICP Forests level I ICP Forests level Il B FW Institut fur Waldokologie und Boden

Monitoring Networks in Austria based on the grid of Austrian National Forest Inventory Austrian National Forest Inventory Forest Damage Monitoring System ICP Forests level I ICP Forests level II

Austrian Forest Monitoring Networks Plots n=start status focus Forest Condition 2000 1983 stopped in defoliation assessment Inventory (260) 1989 Bioindicator 282+4941983 ongoing chemical foliar analysis Network Forest Inventory 22236 1961 ongoing forest area,growing stock volume,forest types,biodiv- ersity assessments,dead wood volume. Forest Damage 534 1989 Gradually defoliation assessment,foliar Monitoring stopped analysis,growing stock volume, System 1997-2006 tree ring analyses,deposition measurements,soil chemistry nstitut fur Waldokologie und Boden

Plots n= start status focus Forest Condition Inventory 2000 (260) 1983 stopped in 1989 defoliation assessment Bioindicator Network 282 + 494 1983 ongoing chemical foliar analysis Forest Inventory 22236 1961 ongoing forest area, growing stock volume, forest types, biodiv￾ersity assessments, dead wood volume. Forest Damage Monitoring System 534 1989 Gradually stopped 1997-2006 defoliation assessment, foliar analysis, growing stock volume, tree ring analyses, deposition measurements, soil chemistry Austrian Forest Monitoring Networks

Austrian Forest Monitoring Networks in an International Context Plots n= start status focus Forest Soil 514(137) 1989 ongoing soil chemistry,site and soil Monitoring assessment System(BioSoil) Transnat'l 131 1986 suspended defoliation assessment,chemical network foliar analysis,soil chemistry ICP-Forests level Transnat1 20(16) ongoing defoliation assessment; network measurements:chemical foliar ICP-Forests level analysis,tree increment,deposition, growing stock volume,soil:chemistry, soil solution chemistry,temperature moisture;meteorology;vegetation relevees LTER Austria 10 2004 ongoing see above;site water balance, humus dynamics,stand regeneration experiments... Institut fur Waldokologie und Boden

Plots n= start status focus Forest Soil Monitoring System (BioSoil) 514 (137) 1989 ongoing soil chemistry, site and soil assessment Transnat‘l network ICP-Forests level I 131 1986 suspended defoliation assessment, chemical foliar analysis, soil chemistry Transnat‘l network ICP-Forests level II 20 (16) ongoing defoliation assessment; measurements: chemical foliar analysis, tree increment, deposition, growing stock volume, soil: chemistry, soil solution chemistry, temperature moisture; meteorology; vegetation relevees LTER Austria 10 2004 ongoing see above; + site water balance, humus dynamics, stand regeneration experiments … Austrian Forest Monitoring Networks in an International Context

Sampling,assessments,measurements at ICP Forests level ll plots Defoliatio crown col Soil sampling description depos growth Needle sampling foliar analyses ground vegetation nstitut fur Waldokologie und Boden

Defoliation and crown condition Soil sampling and description Needle sampling foliar analyses deposition ground vegetation growth Sampling, assessments, measurements at ICP Forests level II plots