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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15107 · alive · Condition: fair · LC · Least Concern · Elevation: 28.8 m

Photos

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trunk branches leaf

Dimensions

16.69 mHeight
2.45 mTrunk height
61 cmTrunk diameter (DBH)
13.88 mCanopy height
8.17 mCanopy width
25.95 mCanopy circumference
46.79 m²Crown projection area
396.81 m³Crown volume
1Stems

Structure & risk

27.53Slenderness (H/D)
4.41Safety factor (default wind)
4.76 °Leaning angle
3.31 °Trunk lean angle
0Competition index
7.28 mTree protection zone
10.91 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
36.7 %Foliage transparency
3.07 %Dieback
57.08 %Crown density
100 %Crown light exposure ratio
83.2 %Live crown ratio
289.22 m²Leaf area
6.19Leaf area index (LAI)
0.73Leaf area / crown vol.

Ecosystem services

801.04 kgCarbon storage
71.73 kgCarbon sequestration / yr
189.54 kgOxygen production / yr
0.15 m³Avoided runoff
2.53 m³Water intercepted
2.97 m³Transpiration
2.51 m³Evaporation
15.47 m³Potential evapotranspiration
5.6 gCO removed / yr
22.13 gNO₂ removed / yr
47.75 gSO₂ removed / yr
13.93 gPM2.5 removed / yr
266.7 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

12667.24CAVAT value
26720.61Koch value
2832.82RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
140G 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
2.81Crown base height
16.69Live height

Clearances

ConflictRoad clearance
3.4 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
1.24 m³Road clearance — conflict volume
5.85Road 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 · 2.925540, 101.685961 · Elevation 28.8 m