Forest · Web viewRoot W = 0.047 (D ρ H)1.2184 W = oven dry weight of biomass (kg) D = diameter at breast height (cm) ρ = wood density (kg/m3) Total tree W: roots included H = tree

Supplementary table S2. Below-ground biomass allometric equations

Forest

CambodiaSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Evergreen seasonal forest

Chékô multi-species WR = 0.01369 D2.728 WR = weight of roots per tree (kg)

D = tree diameter (cm)D ≥ 1 cm

- - Hozumi et al. (1969)

Evergreen forest

Deciduous forest

- multi-species Wr = 0.500 ba1.20 D1.33 Wr = root weight (kg)ba = basal area of stem at 1.3

m height (m2)D = basic density of stem wood

(kg m-3)

Eqns modified from Kiyono et al. (2006) based on 66 species

& 509 trees in the tropics & subtropics

509 trees

from 66 species

in tropics

and sub-

tropics

0.943 Kiyono et al. (2010)

IndonesiaSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Dry land forest KALTIM – East Kalimantan

multi-species In (Root W) = -3.049 + 0.54 In ρ + 2.288 In D

W = oven dry weight of biomass (kg)

D = diameter at breast height (cm)

ρ = wood density (kg/m3)

D range = 1.1 – 115 cmH range = 2.4 - 49 m

40 0.97 Anggraeni (2001) In Krisnawati et al.

(2012)

MalaysiaSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Primary dipterocarp forest

Pasoh forest reserve, Negeri

Sembilan

multi-species Mr = 0.026 dbh2.49

Mr = 0.079 dbh1.04

Mr = 0.030 D0.3 1.95

Mr = 0.018 D0 2.12

mr = 0.040 dr 2.23

Wr = 0.000 dbh3.42

Mr = 0.023 dbh2.59

Nr (d f2

)2π = (dbh2

)2π

Nr = dbh2

d f2

Wf = Nr * 8.5

Mr = dry mass of coarse roots with no lost root correction

(kg)Dbh of trees ≥ 2.5 cm


(kg)Dbh of trees < 2.5 cm


(kg)D0.3 (diameter at 0.3 m) of trees

< 2.5 cm


(kg)D0 (diameter at 0 m) of trees

< 2.5 cm

mr = dry mass of sampled lost roots (kg)

dr = breakage end diameter (cm)

dhb of trees not available

Mr = dry mass of coarse missing roots (kg)

DBH of trees 2.0 – 6.0 cm

Mr = dry mass of coarse roots after lost root correction (kg)

Dbh of trees ≥ 2.5 cm

Small roots calculated by pipe model theory

Nr = total no. of branching roots per tree

df = basal diameter of 1 root,

54

53

67

62

27

16

54

-

0.970

0.334

0.741

0.795

0.912

0.907

0.976

-

Niiyama et al. (2010)

fixed at 5 mmWf = total mass of small roots/

tree (kg)8.5 = constant dry mass of a

small root (g)

Southern ChinaSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Celtis wightii in monsoon rainforest

over limestone

Xishuangbanna species-specific WR = 0.0364 D2.4385 WR = root weight per tree (kg)D = DBH at 1.3 m (cm)

For 2.0 cm ≤ D ≤ 12.7 cm

15 0.9930 Qi and Tang (2008)

Cleidion brevipetiolatum in

monsoon rainforest over limestone

Xishuangbanna species-specific WR = 0.0436 D2.1235 WR = root weight per tree (kg)D = DBH at 1.3 m (cm)For 2.0 cm ≤ D ≤ 15 cm

11 0.9827 Qi and Tang (2008)

Cleistanthus sumatranus in

monsoon rainforest over limestone


For 2.0 cm ≤ D ≤ 22.6 cm

33 0.9694 Qi and Tang (2008)

Lasiococca comberi in monsoon rainforest

over limestone


For 2.0 cm ≤ D ≤ 24.5 cm

25 0.9618 Qi and Tang (2008)

Monsoon rainforest on limestone

Xishuangbanna multi-species For 2.0 cm ≤ D ≤ 5.0 cmWR = 0.3044 D – 0.4382

For 5.0 cm < D ≤ 20.0 cmWR = 0.0277 D2.4688

20.0 cm < D ≤ 88.4 cmWR = 0.0387 D2.3746

WR = root weight per tree (kg)D = DBH at 1.3 m (cm)

74

45

12

0.6772

0.8584

0.9353

Qi and Tang (2008)

Primary tropical wet seasonal rainforest

Xishuangbanna multi-species For 5 cm ≤ D ≤ 20 cmWr = 0.01989 D2.46110

For 20 cm < D ≤ 150 cmWr = 0.02203 D2.52334

Wr = root weight per tree (kg)D = DBH at 1.3 m (cm)

30 0.8214

0.8785

Zheng et al. (2000)

Sumbaviopsis albicans in monsoon rainforest

over limestone


For 2.0 cm ≤ D ≤ 14.6 cm

13 0.8945 Qi and Tang (2008)

Tropical wet seasonal rainforest

Xishuangbanna multi-species For DBH 5 cm ≤ D ≤ 20 cmWr = 0.0112 (D2 H)0.9045

For DBH 20 cm < D ≤ 150 cmWr = 0.0069 (D2 H)0.9781

Wr = dry root mass of tree (kg)H = height (m)

D = diameter at breast height

28 sample trees

frm 18 species (DBH 5-150 cm)

0.9092

0.9130

Feng et al. (1998)

Tropical seasonal rainforest

Xishuangbanna multi-species For 2 cm ≤ DBH ≤ 5cmWR = 0.028 D2.399

For 5 cm < DBH ≤ 20cmWR = 0.0242 D2.4205

For DBH > 20cmWR = 0.0111 D2.6801

WR = root weight of tree (kg)D = diameter at breast height

(cm)46

55

22

0.6833

0.8755

0.9382

Lü et al. (2010)

ThailandSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Tropical rain forest Kao Chong multi-species WR = 0.0264 (D2 H)0.775 WR = root weight per tree (kg)D = diameter at breast height

(cm) max DBH = 15.1 cmH = tree height (m)

3 0.775 Ogawa et al. (1965)

TropicsSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Forests & woodlands world multi-species y = 0.489 x0.890 X = root biomass (Mg ha-1) - 0.93 Mokany et al. (2006)

Y = shoot biomass (Mg ha-1)

Tropical forests Tropics multi-species RBD = exp [-1.0850 + 0.9256 In ABD]

RBD = exp [-1.3267 + 0.8877 In ABD +

0.1045 In (age)]

RBD = exp [-1.0587 + 0.8836 In ABD +

0.2840 c + 0.1874 d]

RBD = root biomass density (Mg ha-1)

ABD = aboveground biomass density

(Mg ha-1)

Age = year

c and d = 0 in tropical sites

151

109

151

0.83

0.84

0.84

Cairns et al. (1997)

Peat forest


(trees)R2 Source

Peat swamp forest KALTENG – Central

Kalimantan

multi-species Root W = 0.0628 D2.0565

Root W = 0.0225 (DH)1.2501

Root W = 0.1994 (D ρ)1.968

Root W = 0.047 (D ρH)1.2184



ρ = wood density (kg/m3)Total tree W: roots included

H = tree height (m)

300.890.900.920.92

Dharmawan et al. (2012) In Krisnawati

et al. (2012)

Tropical peat forest Forest concession area of PT

Diamond Raya Timber, Riau

province

multi-species Belowground W = 0.064 D2.252 W = biomass (kg)D = diameter at breast height

(cm)

DBH range = 5 – 63 cm

52 0.89 Suwarna et al. (2012)


(trees)R2 Source

Tropical peat swamp forest (logged over)

Betong Division, Sarawak (adjacent

to Maludam National Park)

multi-species Belowground biomassIn (DW) =

-4.0218 + 2.2177 In (DBH) + 0.5784 In (H) + 1.1541 In (WD)

Correction factor = 1.1334

In (DW) =-4.2149 + 2.6109 In (DBH)Correction factor = 1.1373

In (DW) = -6.1049 + 3.9957 In (DBH) – 0.2322


DW = dry mass (kg)DBH = diameter at breast

height (cm)H = tree height (m)WD = wood density

(Mg m-3)

DBH range =5.2 – 110.8 cm

H range =7.1 – 49.4 m

320.9521

0.9508

0.9544

Monda et al. (2015)

Mangrove


(trees)R2 Source

Avicennia marina (Forsk.) Vierh

BKPH Ciasem, KPH Purwakarta, Perum Perhutani Unit III West Java

species-specific Independent variable: DBHBelowground biomass =

0.1682 (DBH)1.7939

Independent variable: DBH 2

belowground biomass per tree (kg)

DBH = diameter at breast height (cm)

470.8581

Dharmawan and Siregar (2008)

In Malay

& Banten Belowground biomass = 0.1681 (DBH2)0.8971

Independent variables: DBH 2 H Belowground biomass =

0.0613 (DBH2 H)0.8027

H = tree height (m)DBH 6.4 – 35.2 cm 0.8581

0.8657Bruguiera gymnorrhiza KALBAR – Kubu

Raya Mangrove forest, West Kalimantan

Species-specific Log (root W) = -1.516 + 2.283 D W = oven dry weight of biomass (kg)


D range = 5.7 – 33.5 cmH range = 7.4 – 20.9 m

6 0.98 Krisnawati et al.. (2012) In Krisnawati

et al. (2012)

Bruguiera spp. KALTIM – East Kalimantan

multi-species In (root W) = -3.89 + 3.04 In D W = oven dry weight of biomass (kg)


D range = 10.5 – 37 cmH range = 12.3 – 18 m

11 0.95 Supratman (1994) In Krisnawati et al.

(2012)

Bruguiera spp. Riau multi-species Root W = 6.5 D1.00 W = oven dry weight of biomass (kg)


D range = 10.8 – 22.3 cmH range = 12 – 19.5 m

12 0.98 Hilmi (2003) In Krisnawati et al.

(2012)

Rhizophora apiculata Riau Species-specific Root W = 0.0078 D3.09 W = oven dry weight of biomass (kg)


D range = 1.1 – 38.2 cmH range = 1 – 32 m


(2012)

Rhizophora mucronata Riau Species-specific Root W = 0.0008 D3.64 W = oven dry weight of biomass (kg)


D range = 11.1 – 24.5 cmH range = 12 – 17.1 m


(2012)

Rhizophora spp. KALTIM – East Kalimantan

multi-species In (root W) = -1.79 + 2.21 In D W = oven dry weight of biomass (kg)


D range = 11 – 46.5 cmH range = 10.5 – 25 m

11 0.97 Supratman (1994) In Krisnawati et al.

(2012)


(trees)R2 Source

Bruguiera parviflora (White and Arnold)

Kuala Selangor Nature Park

species-specific Saplings biomasslog10 (root) = 1.6467 + 1.9002 log10

DBH

Tree biomasslog10 (root) = -1.9111 + 2.8437

log10 DBH

Root = root biomass (kg)DBH = cm

DBH = cmDBH range for saplings =

1 to >4cm

DBH range for trees = 4-16 cm

Saplings = 10

Tree = 6

0.89

0.99

Mahmood et al. (2004)

Bruguiera parviflora (Wight & Arn.)

mangrove forest

Kuala Selangor Nature Park, West

coast of Malay Peninsula

species-specific SaplingsLog10 (root biomass) =

1.6467 + 1.9002 Log 10 DBH

TreesLog10 (root biomass) =

-1.9111 + 2.8437 Log 10 DBH

Biomass for saplings is in gBiomass for trees is in kg

DBH = diameter measured at 1.3 m height (cm)

Saplings DBH range = 1 – 3.9 cm

Tree DBH range = 4 – 15.9 cm

10 saplings

& 6 trees

0.89

0.99

Hossain et al. (2008)

Rhizophora apiculata Matang Mangrove Forest

Reserve, Perak

species-specific For GBH 3.5 – 77 cmlog biomassbelowground =1.522 log GBH – 1.707

For GBH 15- 77 cmlog biomassbelowground =2.611 log GBH – 3.454

Biomassbelowground = belowground biomass (kg)

GBH = girth at breast height, 1.3 m (cm)

18

11

0.84

0.99

Ong et al. (2004)

MyanmarSpecies/class Location Equation Type Equation Details n R2 Source

(trees)6 yr mangrove

Common eqns for 6 species:

1.Avicennia marina2.Avicennia officinalis3.Sonneratia apetala4.Ceriops decandra

5.Bruguiera sexangula6.Aegicerus

corniculatum

Wakone village in Pyindaye Reserve Forest in Bogalay

Township, Ayeyarwady Delta

age-specific/ multi-species

Wroot = 1.69ρ (DBH2 H)0.40 Wroot = root weight (kg)

ρ = wood density (kg/m3)DBH = cm

H = height (m)

DBH range = 1.7 - 12.1 cmH range = 3.8 - 9 m

9 trees

AM, AO, SA:

x2/ species. CD, BS & AC:

x1/ species

0.98 Thant et al. (2012)


(trees)R2 Source

20 yrs Bruguiera gymnorrhiza

Hainan Island age-specific/ single-species

log WR = 1.5543 log D – 0.3282log WR = 0.6226 log D2H – 0.4322

WR = root weight per tree (kg)D = DBH (cm)

H = tree height (m)DBH range = 4 – 18 cm

9 0.84570.8174

Liao et al. (1991)

5 yrs naturally regenerated

Sonneratia caseolaris

Hainan Island age-specific/ single-species

log WR = 0.7768 log D2H + 1.3969

log WR = 2.0419 log D + 1.5472

WR = root weight per tree (kg)D = DBH (cm)

H = tree height (m)

DBH range = 2.40 – 13.23 cmH range = 2.7 – 7.2 m

- 0.9456

0.9575

Liao et al. (1990)


(trees)R2 Source

Bruguiera spp. Khong Ngao Hatsaikao,

Ranong

multi-species Wr = 18.8148 (D2 H)0.9085 Wr = dry weight of roots (kg)D = DBH at 1.3 m(cm)

Range of mean diameters = 6.4 – 15 cm

Range of mean height =8.75 – 14.38 m

11 - Tamai et al. (1986)

Mangroves Thailand & multi-species WR = 0.199 ρ 0.899 D2.22 WR = root biomass per tree 26 0.954 Komiyama et al.

Sampled species include:

R apiculata, R. mucronata,B. cylindrica,

B. gymnorrhiza,X. granatum,

C. tagal,S. caseolaris,

S. alba,A. alba

Indonesia.

4 locations in Thailand: Trat, Satun, Ranong, Pang-nga & 1

location in Indonesia: Halmahera

(kg). Prop roots includedρ = wood density (g cm-3)

D = DBH (cm)

Correction factor included in equation

(2005)

Rhizophora spp. Khong Ngao Hatsaikao,

Ranong

multi-species Wr = 9.7387 (D2 H)1.0525 Wr = dry weight of roots (kg)D = diameter 0.3 m above

highest root collarH = length of the tree above

root collar (m)

Range of mean diameters =5.6 – 11.1 cm

Range of mean height =7.02 – 10.57 m

15 - Tamai et al. (1986)

Sonneratia caseolaris (L.) Engler

Trat river estuary species-specific WR = 0.025 ( D02)1.0 WR = root weight per tree (kg)

D02 = squared value of stem

diameter at ground baseDBH = 11.6 cm, H = 10.80 m

1 - Poungparn et al. (2004)

Xylocarpus granatum koenig

Phang-nga Bay species-specific WR = 0.0211 ( D02)1.20 WR = root weight per tree (kg)

D02 = squared value of stem

diameter at ground base

DBH range = 1.8 – 7.9 cmD0 range = 4.2 – 16 cm

H range = 2.27 – 5.30 m

6 0.926 Poungparn et al. (2002)

VietnamSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Rhizophora apiculata Vietnam species-specific Root weight = 0.0122D2.4959 Root weight = root weight per - - Nam (pers comm

tree (kg)D = DBH (cm)

2010) in Wilson (2011)

Logged over forest

CambodiaSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Secondary forest - multi-species Wr = 0.500 ba1.20 D1.33 Wr = root weight (kg)ba = basal area of stem at 1.3

m height (m2)D = basic density of stem

wood (kg m-3)

509 trees from 66

species in tropics &

subtropics

0.943 Kiyono et al. (2010)

Eqns modified from Kiyono et al. (2006) based on 66 species

& 509 trees in the tropics & subtropics


(trees)R2 Source

Logged over secondary forest

Manokwari Regency, West

Papua

multi-species Broot = 0.1411 D1.9036 Broot = root biomass (kg)D = diameter at breast height

(cm)

5 - Hendri et al. (2012)

Secondary dry land forest

KALTIM – East Kalimantan

multi-species Root W = 0.0457 D1.98 W = oven dry weight of biomass (kg)


D range = 2 – 24.2 cm

63 0.87 Adinugroho (2009) In Krisnawati et al.

(2012)


(trees)R2 Source

10 yr secondary tropical forest

Xishuangbanna age-specific/ multi-species

Wr = 7.430497 E – 02(D2 H)0.6442026

Wr = root weight per tree (kg)D = DBH ≥ 2.5 cm

Height = tree height ≥ 4.0 m

41 0.8274 Tang et al. (1998)



Wr = 0.3502771 D1.985326

H-0.7223123Wr = root weight per tree (kg)

D = DBH ≥ 2.5 cmHeight = tree height ≥ 3.5 m

43 0.8962 Tang et al. (1998)



Wr = 4.085166 E – 02(D2 H)0.7501403



40 0.8394 Tang et al. (1998)



Wr = 0.2804666 + 3.711858 E – 03 (D2 H)



28 0.8787 Tang et al. (1998)

Artificial tropical rainforest

Xishuangbanna multi-species Wr = 4.781492E - 04 (D2H)0.8541507

Pr = 175.3239 + 8.202531 E - 04 (D2H)

Wr = root biomass (kg)D = diameter at breast height

(cm) D ≥ 5.6 cm

H = tree height (m)H ≥ 4.4 m

Pr = root growth

9 0.9805

0.9493

Tang et al. (2003)

Baccaurea ramiflora in artificial tropical

rainforest

Xishuangbanna species-specific Wr = 6.687311E + 30 (D2H)6.290014

Pr = 89.27234 (D2H)5.488717E - 02Wr = root biomass (kg)


D ≥ 5.6 cmH = tree height (m)

H ≥ 4.4 mPr = root growth

3 0.8120

0.9966

Tang et al. (2003)

Macaranga denticulate in

secondary tropical forest

Xishuangbanna species-specific Wr = 3.330258 E – 03(D2 H)1.053117



- 0.9827 Tang et al. (1998)

Mallotus Paniculatus in secondary tropical

forest




- 0.9827 Tang et al. (1998)

Millettia sp. in secondary tropical

forest

Xishuangbanna species-specific Wr = 0.397626 + 1.052545E – 02 (D2 H)



- 0.8791 Tang et al. (1998)

Rauvolfia vomitoria in artificial tropical

rainforest

Xishuangbanna species-specific Wr = 14.32054 (D2H)2.41419E - 05

Pr = 76242.28 (D2H)0.4447127Wr = root biomass (kg)


D ≥ 9.5 cmH = tree height (m)

H ≥ 8.5 mPr = root growth

3 0.9996

0.9740

Tang et al. (2003)

Syzygium sp. in secondary tropical

forest




- 0.9333 Tang et al. (1998)

Orchard and tree plantation


(trees)R2 Source

1, 4 & 9 yrs Acacia mangium

East Kalimantan age-specific/ single-species

Y = 0.0065 X2.7601 Y = root biomass of tree (kg). Excludes fine roots.

X = tree diameter at breast height (cm)

20 0.9452 Syahrinudin (2005)

10 yrs Acacia mangium

West Java, Maribaya

age-specific/ single-species

lg Wr - 2.3636 = 0.9805 (D2 H) Wr = amount of root biomass (kg)

D = tree diameter at breast height (cm)

H = tree height (m)

16 0.8103 Heriansyah et al. (2007)

Mean D = 27.81 m Mean H = 25.12 m

10 yrs Acacia mangium Willd.

West Java age-specific/ single-species

Yr = 0.0351 dbh2.2840 Yr = individual root biomass of tree (kg)

dbh = stem diameter at breast height, 1.3 m (m)

Mean DBH = 27.8 cmMean height = 25.1 m

16 0.8208 Miyakuni et al. (2004)

10.5 yrs Acacia mangium

South Sumatra, Bd. Anyar



D = tree diameter at breast height (cm).

H = tree height (m)

Mean D = 15.05 cm Mean H = 19.19 m


3 - 10 yrs AcaciaMangium

(overall study eqn)

West Java & South Sumatra




H = tree height (m)

Mean D Range =7.25 – 27.81 cm

Mean H range = 7.33 – 25.12 m



South Sumatra, Subanjeriji




H = tree height (m)

Mean D = 10.86 cm Mean H = 7.66 m


3 - 10 yrs Acacia mangium Willd.

(overall eqn)




59 0.9883 Miyakuni et al. (2004)

Mean DBH range =7.3 - 27.8 cm

Mean height range = 7.3 – 25.1 m

3 yrs Acacia mangium West Java, Maribaya




H = tree height (m)

Mean D = 7.25 cm Mean H = 7.33 m







15 0.9498 Miyakuni et al. (2004)

5 yrs Acacia mangium West Java, Tenjo age-specific/ single-species



H = tree height (m)

Mean D = 16.03 cmMean H = 15.06 m







12 0.8958 Miyakuni et al. (2004)


South Sumatra, Sodong



D = tree diameter at breast height (cm). H = tree height (m)

Mean D = 17.89 cm


Mean H = 17.41 m

8 yrs Acacia mangium West Java, Tenjo age-specific/ single-species


D = tree diameter at breast height (cm). H = tree height (m)

Mean D = 21.14 cm Mean H = 18.47 m







16 0.8265 Miyakuni et al. (2004)


South Sumatra, Toman



D = tree diameter at breast height (cm).

H = tree height (m)

Mean D = 17.40 m Mean H = 15.92 m


Cocoa Napu Valley & Palolo Valley,

Central Sulawesi

species-specific Cocoa root = 0.142 Diaprox2.064 Cocoa root = dry weight (kg)

Diaprox = diameter of proximal cocoa root (cm)

17 proximal

roots

- Smiley and Kroschel (2008)

Gliricidia Napu Valley & Palolo Valley,

Central Sulawesi

species-specific Gliricidia root =0.064 Diaprox

2.152Gliricidia root = dry weight (kg)Diaprox = diameter of proximal

root (cm)

17 proximal

roots

- Smiley and Kroschel (2008)

Elmerrillia celebica in community forest

SULUT – North Sulawesi

species-specific log (root W) = -1.520 + 2.29 log D W = oven dry weight of biomass (kg)



15 0.95 Langi (2007) In Krisnawati et al.

(2012)

Elmerrillia ovalis in community forest

SULUT – North Sulawesi

species-specific log (root W) = -2.0 + 2.67 log D W = oven dry weight of biomass (kg)

15 0.97 Langi (2007) In Krisnawati et al.


D range = 7.5 – 50 cmH range = 6.5 – 28.6 m

(2012)

Pinus merkusii in community forest

JABAR – West Java

species-specific Root W = 0.010 D2.604 W = oven dry weight of biomass (kg)


D range = 0.4 - 44 cm

80 0.94 Siregar (2007) In Krisnawati et al.

(2012)

Tectona grandisIn community forest

DIY species-specific Root W = 0.037 D2.167 W = oven dry weight of biomass (kg)


D range = 5.1 – 27.1 cm

15 0.91 Aminudin (2008) In Krisnawati et al.

(2012)

Acacia crassicarpa in plantation forest

SUMSEL – South Sumatra

species-specific Root W = 0.433874 D0.158 H1.040 W = oven dry weight of biomass (kg)


H = tree height (m)

D range = 4.6 – 23.5 cm

40 0.990.950.980.990.99

Yunlawati (2011) In Krisnawati et al.

(2012)

Acacia mangium in plantation forest

JABAR – West Java



D range = 5 – 40 cm

8 0.98 Dewi (2011) In Krisnawati et al.

(2012)


JABAR – West Java



D range = <5 – 40 cm

8 0.98 Purwitasari (2011) In Krisnawati et al.

(2012)


JABAR – West Java



15 0.99 Heriansyah et al. (2003) In Krisnawati

et al. (2012)

(cm)


JABAR - West Java




22 0.96 Heriyanto and dan Siregar (2007) In Krisnawati et al.

(2012)


KALBAR – West Kalimantan




27 0.78 Widhanarto (2009) In Krisnawati et al.

(2012)


SUMSEL – South Sumatra

species-specific Eqn 1: Root W = 0.0005 D3.6486

Eqn 2: Root W = 0.1022 D1.0499

Eqn 3: Root W = 0.0177 D2.1835

Eqn 4: Root W = 0.1923 D1.4529



Eqn 1:D range = 8.7 – 11.2 cm

H range = 4.2 – 5.5 m

Eqn 2:D range = 9.5 – 15.2 cmH range = 10.6 – 13.6 m

Eqn 3:D range = 7 – 9.9 cmH range = 5.6 – 7 m

Eqn 4:D range = 13.1 – 20.1 cmH range = 11.2 – 12.8 m

12 0.79

0.94

0.78

0.85

Ismail (2005) In Krisnawati et al.

(2012)

Agathis loranthifolia in plantation forest

JATENG – Central Java




3 0.95 Basuki et al. (2004) In Krisnawati et al.

(2012)

Equation not advisable for use (number of sample trees used

is insufficient)

Plantation forest JABAR – West Java




12 0.72 Siringoringo and dan Siregar (2006) In Krisnawati et al.

(2012)

Eucalyptus grandis in plantation forest

SUMUT – North Sumatra

species-specific Root W = -0.77 + 1.13 D W = oven dry weight of biomass (kg)


D range = 3.7 – 16.8 cmH range = 6.7 – 21 m

18 0.78 Sihombing (2008) In Krisnawati et al.

(2012)

Paraserianthes falcataria in plantation

forest

JABAR – West Java



D range = 2 – 30 cmH range = 2.5 – 7.3 m

34 0.93 Siringoringo and dan Siregar (2006) In Krisnawati et al.

(2012)

Paraserianthes falcataria in plantation

forest

JATIM – East Java species-specific Root W = 0.0069 D2.565 W = oven dry weight of biomass (kg)


D range = 16.6 – 31.2 cm


(2012)

Pinus merkusii in plantation forest

JABAR – West Java



15 0.98 Heriansyah (2003) In Krisnawati et al.

(2012)


JABAR – West Java



23 0.92 Heriyanto and Siregar (2007) In Krisnawati et al.

(cm)


(2012)


JATENG – Central Java





is insufficient)

3 0.95 Basuki et al. (2004) In Krisnawati et al.

(2012)

Shorea leprosula in plantation forest

JABAR – West Java




et al. (2012)

Shorea leprosula (2x2 m spacing)

in plantation forest

JABAR – West Java





is insufficient)


et al. (2012)

Shorea leprosula (2x2 m spacing) + Pinus


JABAR – West Java





is insufficient)


et al. (2012)

Shorea leprosula (3x3 m spacing)


JABAR – West Java





is insufficient)


et al. (2012)

Shorea leprosula (3x3 m spacing) + Pinus


JABAR – West Java





is insufficient)


et al. (2012)

Shorea leprosula (all spacing)

JABAR – West Java





et al. (2012)

Tectona grandis JABAR – West Java





(2012)

Tectona grandis JATENG – Central Java

species-specific Root W = 108 D1.7939 W = oven dry weight of biomass (kg)


24 0.79 Hendri (2001) In Krisnawati et al.

(2012)

D range = 6.7 – 74.8 cm

LaosSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

6 yr Anisoptera costata Korth.

Plantation

Forestry Research Centre, National

Agriculture & Forestry Research Institute, north of

Vientiane


Log (BGB) = 0.682 – 2.131 log (DBH2 H)

BGB = belowground biomass (kg)

DBH = cmH = height (m)

Mean DBH = 4.59 cmMean H = 3.60 m

5 0.75 Phongoudome et al. (2012)

6 yr Dalbergia cochinchinensis Pierre

Plantation

Forestry Research Centre, National

Agriculture & Forestry Research Institute, north of

Vientiane


Log (BGB) = 0.037 – 0.497 log (DBH2 H)

BGB = belowground biomass (kg)

DBH = cmH = height (m)


5 0.74 Phongoudome et al. (2012)


(trees)R2 Source

5 yr Hopea odorata plantation

FRIM Research Station, Johor


Hopea odorata on Baling soil series

Independent variable: DRoot = 0.04823 D2.41096


Independent variable: D 2 H Root = 0.04042 (D2 H)0.87644


Hopea odorata on Rengam soil

Root = dry biomass (kg)DBH = diameter at breast

height (cm)H = tree height (m)

BalingAverage D = 10.89 cm

Average H = 6.93 m

Rengam

Baling = 5

Rengam

0.93883

0.84357

Mahat et al. (2014)

seriesIndependent variable: D

Root = 0.06274 D2.37628




Hopea odorata on Kuala Berang soil series





Hopea odorata on for all 3 soils/locations





Average D = 10.64 cmAverage H = 6.84 m

Kuala BerangAverage D = 9.70 cmAverage H = 6.02 m

= 5

Kuala Berang

= 5

Total = 15

0.95039

0.92890

0.85078

0.72162

0.89712

0.80583

5 yr Hopea odorata (native species)

Forest Research Institute Malaysia (FRIM) Research

Station in Segamat, Johor


Independent variable: Dlog (root) =

log (0.06274) + 2.376280 log D

Independent variable: D 2 H log (root) =

log (0.05565) + 0.853020 log (D2 H)

Root = compartment dry weight (kg)


H = tree height (m)

Mean D = 10.64 cmMean H = 6.84 m

50.95

0.93

Heryati et al. (2011a)

5 yr Khaya Ivorensis (exotic tree)


Station in



log (0.03547) + 2.23582 log Dcorrection factor = 1.033



150.89

Heryati et al. (2011b)

Segamat, JohorIndependent variable: D 2 H

log (root) =log (0.03387) + 0.78698 log (D2 H)

correction factor = 1.061

(cm)H = tree height (m)

D range = 9 - 20 cm0.82

5 yr Khaya Ivorensis (exotic tree) on

Padang Besar soil series

Stand density = 783 trees/ ha







log (0.00724) + 0.96433 log (D2 H)correction factor = 1.111



H = tree height (m)

Mean D = 14.40 cmMean H = 10.56 m

50.94

0.94


5 yr Khaya Ivorensis (exotic tree) on Durian

soil series











H = tree height (m)


50.93

0.92


5 yr Khaya Ivorensis (exotic tree) on

Rengam soil series











H = tree height (m)


50.92

0.93


Papua New GuineaSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

4 - 7 yrs Acacia Madang age-specific/ Y = 0.027 X1.069 Y = root dry weight (kg) 6 0.97 Yamada et al. (2000a)

mangium single-species X = basal area (cm2)In Japanese

PhilippinesSpecies/class Location Equation Type Equation Details n

(trees)R2 Source

Gmelina arborea/ Swietenia Macrophylla

Leyte Island species-specific Root biomass =e-1.0587 + 0.8836 In AGB

Eqn modified from Cairns et al. (1997)

Root biomass = root biomass per tree (Mg/ ha)

AGB = aboveground biomass (Mg/ ha)

- - Sales et al. (2005)

Swietenia macrophylla King. Large leafed mahogany trees

Mt Makiling Forest Reserve,

Luzon

species-specific log (stem wood) = 0.9872 + 0.9171 log (DBH2 H)

roots = gramsDBH = diameter at 1.3 m height

(cm)H = tree height (m)

DBH range = 7.3 – 30.1 cm

10 0.95 Han et al. (2010)


(trees)R2 Source

12 - 14 yr Acacia auriculiformis in planted forests

Royal Forest Department’s Sakaerat Field Station, on the southwestern

edge of the Korat Plateau


Root W = 0.0233 (D2)1.2353 Root W = root weight (kg)D = DBH (cm)

H = tree height (m)


4 0.9933 Kamo et al. (2008)

12 - 14 yr Acacia mangium in planted

forests





H = tree height (m)


4 0.9987 Kamo et al. (2008)

12 - 14 yr Dalbergia cochinchinensis in

planted forests





H = tree height (m)

Mean DBH = 10 cmMean H = 9.7 m

4 0.9903 Kamo et al. (2008)

12 - 14 yr Eucalyptus Camaldulensis in planted forests





H = tree height (m)


4 0.9958 Kamo et al. (2008)

12 - 14 yr Pterocarpus macrocarpus in planted forests




Rainy & dry seasonRoot W = 0.0284 (D2)1.1939

Root W = root weight (kg)D = DBH (cm)

H = tree height (m)


4 0.9368 Kamo et al. (2008)

12 - 14 yr Xylia xylocarpa var. kerrii in

planted forests





H = tree height (m)

Mean DBH = 8.7 cmMean H = 10 m

4 0.9965 Kamo et al. (2008)

1 - 4 yr Eucalyptus tree Mancha Khiri plantation, Khon

Kaen province


WR = 0.01378 (D2 H)0.87935 WR = root weight (kg)D = diameter at breast height

(cm)H = height (m)

- 0.996 Jundang et al. (2010)

In Thai

17 & 22 yr Teak (Tectona grandis L.f.)

Mae Chang Plantation, Lampang


MSR = 12.658 (DR )2.265 MSR = dry mass of severed roots (g)

DR = root diameter at the cut points (cm)

56 0.713 Hiratsuka et al. (2005)

17 yr Teak (Tectona grandis L.f.)



M = 0.02264 D2.498 M = root dry mass (kg)D = diameter at breast height

(cm)Mean D = 14.4 cm


22 yr Teak (Tectona grandis L.f.)



M = 0.02599 D2.276 M = root dry mass (kg)D = diameter at breast height

(cm)Mean D = 18.4 cm


3 yr Eucalyptus clones planted on paddy

bundsClone K7

Chachoengsao province


WR = 0.0251 (D2 H)0.8258 WR = root weight (kg tree-1)D = diameter at breast height

(cm)H = total height (m)

6 – 8 trees

0.9357 Diloksumpun and Staporn (2009)

In Thai


bundsClone K51





6 – 8 trees


In Thai


bundsClone K58





6 – 8 trees


In Thai


bundsClone K59





6 – 8 trees


In Thai

Rubber plantation


(trees)R2 Source

Hevea brasiliensis in an artificial tropical

rainforest

Xishuangbanna species-specific Wr = 1.968433 (D2H)0.2863996

Pr = 1.284506E – 06 (D2H)1.443849

Wr = root biomass per tree(kg)


D ≥ 30 cmH = tree height (m).

H ≥ 18 m

Pr = root growth

3 0.9767

0.8591

Tang et al. (2003)

7, 13, 19, 25 & 47 yrs rubber

Xishuangbanna age-specific/ single-species

Independent variable: DWR = 0.108 D1.948

Independent variable: D 2 H WR = 0.0563(D2 H)0.7439

WR = root weight per tree (kg)

D = DBH (cm)

H = tree height (m)

300.971

0.965

Tang et al. (2009)

Oil palm plantation


(trees)R2 Source

Oil palm on peat soil(≤ 6 yrs)

Teluk Intan, Perak age-specific/ single-species

RB = 13.505 + 0.1667 * SB RB = standing root biomass(kg palm-1)

SB = standing shoot biomass (kg palm-1)

11 0.98 Henson and Dolmat (2003)

Swidden fallow of all length

LaosSpecies/class Location Equation

TypeEquation Details n (trees) R2 Source

2- 35 year swidden fallow trees

Village of Moungmouay,

Viengkham district, Luang

Prabang province

age-specific/ multi-species

Biomass diameter modelsBGBsimple = 0.016 DBH2.597

BGBresprouting = 0.355 DBH1.732

BGBsimple = below-ground biomass of simple trees -

trees regrown from seeds (kg)

BGBresprouting = below-ground biomass of

resprouting trees – trees resprouted frm existing root stocks after being

cut (kg)

DBH = diameter at 1.3 m above-ground level (cm)

DBH range for all trees = 1.7 – 36.2 cm

Simple trees = 91

Resprouting trees = 59

Total = 150

- McNicol et al. (2015)


(trees)R2 Source

Early successional tropical secondary

Sarawak age-specific/ multi-species

y = 0.1768 (A) Eqn modified from Mokany et al. (2006)

9 0.99 Kenzo et al. (2010)

forest. 4 yrs after shifting cultivation

ended

A = root biomass (Mg ha-1)Y = shoot biomass (Mg ha-1)

Early successional tropical secondary forest. 4 yrs after

shifting cultivation ended


y = e-2.0763 + 1.0791 In A Eqn modified from Cairns et al. (1997)

y = belowground biomass (Mg ha-1)

A = aboveground biomass(Mg ha-1)

9 0.99 Kenzo et al. (2010)

Secondary forest. 10 yrs after shifting

cultivation ended


y = e-1.7884 + 1.0264 In A Eqn modified from Cairns et al. (1997)

y = belowground biomass(Mg ha-1)

A = aboveground biomass (Mg ha-1)

27 0.77 Kenzo et al. (2010)

Secondary forest. 10 yrs after shifting

cultivation ended


y = 0.1870 (A) Eqn modified from Mokany et al. (2006)

A = root biomass (Mg ha-1)Y = shoot biomass (Mg ha-1)

27 0.77 Kenzo et al. (2010)

Tropical secondary forest. Shifting

cultivation previously practiced

Niah forest reserve, Lambir

Hills National Park, Sarawak

multi-species Total root dry biomassy = 0.0214 (DBH)2.33

y = 0.0105 (D0)2.46

y = 0.0094 (H)2.25

Small root dry biomassy = 0.0078 (DBH)1.80

y = 0.0047 (D0)1.87

y = 0.0043 (H)1.70

Total root = total root dry biomass (kg)

DBH = diameter at breast height (cm)

D0 = diameters at ground surface (cm)

Height = tree height (m)

Small root = small root dry biomass (kg)

D0 range = 0.2 -31.8 cmH range = 0.1 – 23 m

527773

517672

0.940.970.89

0.820.920.83

Kenzo et al. (2009b)


(trees)R2 Source

5 yr Apodytes dimidiate in swidden land after slash and


W = 206.58 e0.002 (D2H ) W = root weight per tree (kg)H = tree height (m)

D = DBH (cm)

- 0.8817 Shi et al. (2001)

burn For 2.2 cm < D < 4.7 cm

5 yr Aporuse Yunnam ensis in swidden land after slash and burn


W = 2.4195 (D2 H)0.6856 W = root weight per tree (kg)H = tree height (m)

D = DBH (cm)For 1.5 cm < D < 9 cm

- 0.9008 Shi et al. (2001)

5 yr Castanopsis meikongensis in

swidden land after slash and burn



For 1.8 cm < D < 7.5 cm

- 0.9415 Shi et al. (2001)

5 yr Eurya groffii in swidden land after

slash and burn



D = DBH (cm)For 1.9 cm < D < 5.3 cm

- 0.9362 Shi et al. (2001)

5 yr Macaranga denticulata

in swidden land after slash and burn




- 0.9964 Shi et al. (2001)

5 yr Rhus chinensis in swidden land after

slash and burn




- 0.9606 Shi et al. (2001)

5 yr Schima argentea in swidden land after

slash and burn


W = 0.1548 D2 H W = root weight per tree (kg)H = tree height (m)


- 0.9208 Shi et al. (2001)

Big trees in secondary forest 5 yrs after slash

& burn


W = 0.1506 D2 H – 98.2330 W = root weight per tree (kg)H = tree height (m)

D = DBH (cm)For 1.5 cm < D < 9 cm

50 from 15

species

0.9612 Shi et al. (2001)

Documents

Forest · Web viewRoot W = 0.047 (D ρ H)1.2184 W = oven dry weight of biomass (kg) D = diameter at breast height (cm) ρ = wood density (kg/m3) Total tree W: roots included H = tree