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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 45032 · alive · Condition: fair · LC · Least Concern · Elevation: 37.3 m

Photos

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trunk branches leaf

Dimensions

13.69 mHeight
2.8 mTrunk height
39 cmTrunk diameter (DBH)
8.95 mCanopy height
9.5 mCanopy width
30.19 mCanopy circumference
62.07 m²Crown projection area
362.16 m³Crown volume
1Stems

Structure & risk

35.85Slenderness (H/D)
1.44Safety factor (default wind)
16.83 °Leaning angle
2.89 °Trunk lean angle
2.68Competition index
4.59 mTree protection zone
6.88 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
15.85 %Foliage transparency
1.16 %Dieback
66.8 %Crown density
97.33 %Crown light exposure ratio
65.39 %Live crown ratio
447.27 m²Leaf area
7.21Leaf area index (LAI)
1.24Leaf area / crown vol.

Ecosystem services

292.04 kgCarbon storage
41.2 kgCarbon sequestration / yr
108.88 kgOxygen production / yr
0.2 m³Avoided runoff
3.41 m³Water intercepted
4.02 m³Transpiration
3.39 m³Evaporation
20.92 m³Potential evapotranspiration
7.58 gCO removed / yr
29.94 gNO₂ removed / yr
64.58 gSO₂ removed / yr
18.84 gPM2.5 removed / yr
360.77 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

5054.82CAVAT value
16155.65Koch value
1789.5RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-20G u fextracted_inv date
Jalan Enggang P9 G u fextracted_street
7001G u fextracted_taxon i d
4.74Crown base height
13.69Live height

Clearances

ClearRoad clearance

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan Enggang P9 · 2.940818, 101.676682 · Elevation 37.3 m