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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15212 · alive · Condition: fair · LC · Least Concern · Elevation: 28.5 m

Photos

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trunk branches leaf

Dimensions

19.6 mHeight
8.25 mTrunk height
56 cmTrunk diameter (DBH)
11.7 mCanopy height
8.86 mCanopy width
27.92 mCanopy circumference
54.71 m²Crown projection area
521.95 m³Crown volume
1Stems

Structure & risk

35.03Slenderness (H/D)
1.39Safety factor (default wind)
3.29 °Leaning angle
10.52 °Trunk lean angle
25.55Competition index
6.72 mTree protection zone
10.08 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
51.9 %Foliage transparency
2.62 %Dieback
50.18 %Crown density
74.46 %Crown light exposure ratio
59.65 %Live crown ratio
289 m²Leaf area
5.29Leaf area index (LAI)
0.56Leaf area / crown vol.

Ecosystem services

848.63 kgCarbon storage
45.99 kgCarbon sequestration / yr
121.52 kgOxygen production / yr
0.17 m³Avoided runoff
2.97 m³Water intercepted
3.49 m³Transpiration
2.95 m³Evaporation
18.17 m³Potential evapotranspiration
6.58 gCO removed / yr
26.01 gNO₂ removed / yr
56.1 gSO₂ removed / yr
16.37 gPM2.5 removed / yr
313.39 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

10793.17CAVAT value
25533.82Koch value
2614.89RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 D G u fextracted_street
7001G u fextracted_taxon i d
4Crown base height
15.69Live height

Clearances

ConflictRoad clearance
4.21 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.1 m³Road clearance — conflict volume
0.58Road clearance — conflict volume ratio

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 P2 D · 2.926388, 101.685892 · Elevation 28.5 m