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Project 3 Greenhouse gases mitigation

potential of tropical agro-forestrysystems

Humberto LeblancRicardo RussoEARTH University, June 2007

Carbon Sequestration Potential of Productive Systems of theHumid Tropics of Costa Rica.

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Main Objective

To determine and to quantify theamounts of carbon drawn from the

atmosphere by photosynthesisand retained in aboveground

biomass and soils of forestry andagro-forestry systems

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Ecosystems under study *

Oil palm crop Banana crop Tree plantations Secondary forest Silvopastoral Bamboo plantations

http://fijacion%20de%20carbono%201.jpg/http://fijacion%20de%20carbono%201.jpg/

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Oil palmCarbon sequestration

Component Carbon(0-30 cm) Mg ha -1

Carbon(0-50 cm) Mg ha -1

Abovegroundbiomass 22.68 22.68

Soil 74.09 103.35

Total 96.77 126.03

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Oil palmSoil organic carbon pool

Figura 1. Carbono orgnico almacenado en el perfilr del suelo,en el cultivo de la palma africana.

C (Mg ha -1)

S o

i l p r o

f i l e ( c m

)

25-30

20-25

15-20

10-15

5-10

0-5

8 10 12 14 16 18 20

Figura 2. Carbono orgnico del suelo en el perfil de 0-50 cm,

en palma africana y un potrero adyacente.

C (Mg ha -1)

10 15 20 25 30 35

S o

i l p r o

f i l e ( c m

)

40-50

30-40

20-30

10-20

0-10

Oil palmPasture

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BananaCarbon sequestration

Component Carbon(0-30 cm)Mg ha -1

Aboveground biomass 6.01

Soil 74.08

Total 80.09

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Banana aboveground Carbon sequestration

C (Mg ha-1)Phenologicalstages Leaf Pseudostem Bunch Tota

F10 0.07 0.17 0.00 0.24FM 0.33 0.42 0.00 0.75

Flowering 1.63 2.01 0.44 4.0

Harvest 1.14 1.90 2.97 6.01

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Tree species

Common name Latin name Family

Almendro Dipteryx panamensis Fabaceae-Pap.

Cedro Mara Calophyllum brasiliense Clusiaceae

Chancho blanco Vochysia guatemalensis Vochysiaceae

Fruta dorada Virola koschnyi Miristicaceae

Gallinazo Jacaranda copaia Bignoniaceae

Lagartillo Zanthoxylum kellermanii Rutaceae

Piln Hieronyma alchorneoides Euphorbiaceae

Vainillo Stryphnodendron excelsum Fabaceae-Mim.

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Tree speciesCarbon sequestration

C (Mg ha -1) Leaves Branches Boles ABC SOC Total

Vochysia guatemalensis 1.5 5.7 63.5 70.7 61.2 131.9

Hyeronima alchorneoides 1.6 7.9 54.4 64.1 66.8 130.9

Calophyllum brasiliense 3.1 11.4 39.4 53.9 65.1 119.0

Virola koschny i 2.0 5.7 40.1 47.8 73.4 121.2

Dipteryx panamensis 2.0 3.1 38.4 43.5 72.2 115.7

Jacaranda copaia 1.4 5.6 36.1 43.2 66.1 109.3

Stryphnodendrumexcelsum 0.8 5.8 33.8 40.5 72.5 113.0

Zanthoxylum mayanum 0.2 1.6 6.4 8.3 59.7 68.0

Soil 0-30 cm

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Secondary forestwoody species composition

Frequency (%) Cecropia obtusifolia 23.14 Trophis racemosa 1.65Hampea appendiculata 19.01 Cedrela odorata 1.65Cordia alliodora 5.79 Vernonia patens 1.65

Cestrum racemosum 4.96 Beilschmiedia sp. 1.65Luehea seemannii 4.13 Anacardium excelsum 0.83Ochroma pyramidale 4.13 Piper aduncum 0.83Senna hayesiana 3.31 Virola sebifera 0.83Bursera simarouba 3.31 Nectandra sinuata 0.83Carapa guianensis 2.48 Inga sp 0.83

Alchornea costaricensis 2.48 Hyeronima alchorneoides 0.83Chloroleucon mangense 2.48 Ficus colubrinae 0.83Ficus werckleana 2.48 Erythrina costaricensis 0.83Inga oerstediana 2.48 Cupania cinerea 0.83Guatteria diospyroides 2.48 Ceiba pentandra 0.83

Inga edulis 1.65 Adelia triloba 0.83

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Carbon sinks and deposits

Ecosystem ABCannual rate

Mg ha -1 yr -1

SOC(0-30 cm)

Mg ha -1

Total CarbonMg ha -1

Oil Palm * 7 years 3.2 73.3 96.0

Banana 6.0

(-2.9 )

74.1 80.1

Treeplantation14 years

3.7 67.1 120.1

http://bananoypalma.jpg/http://bananoypalma.jpg/

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Next steps

1. Secondary forest C aboveground biomass

2. Secondary forest soil organic carbon

3. C and NH4-N in biogenic structures

4. Silvopastoral system

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Plot # 1 2 3 4 5 6 7 8 9 10

Richness(S) 10 20 17 17 18 10 7 13 13 12

Trees/plot 22 30 24 23 29 20 17 20 25 25

Trees/spp. 2.2 1.5 1.4 1.4 1.6 2.0 2.4 1.5 2.1 4.2

Shannon-Wiener (H') 2.39 2.58 2.83 2.94 3.01 3.06 3.09 3.11 3.13 3.15

Simpson ( ) 15.1 15.0 16.6 17.2 15.1 17.4 17.5 17.6 17.7 17.7

Fisher ( ) 13.9 13.9 14.2 14.4 14.1 14.1 13.9 13.7 13.5 13.5

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Thank you.

In the name of all the carbon fixation team

Humberto,

Ricardo,Noelia,Esteban,Jacobo,Paula,Natalia,Rattan Juan Jos