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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34505 · alive · Condition: fair · LC · Least Concern · Elevation: 32.1 m

Photos

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trunk branches leaf

Dimensions

22.65 mHeight
4.74 mTrunk height
51 cmTrunk diameter (DBH)
18.07 mCanopy height
10.69 mCanopy width
33.58 mCanopy circumference
86.97 m²Crown projection area
1032.94 m³Crown volume
1Stems

Structure & risk

45.21Slenderness (H/D)
0.65Safety factor (default wind)
10.13 °Leaning angle
3.21 °Trunk lean angle
39.95Competition index
6.02 mTree protection zone
9.02 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
35.01 %Foliage transparency
0 %Dieback
71.46 %Crown density
60.06 %Crown light exposure ratio
79.77 %Live crown ratio
886.47 m²Leaf area
10.2Leaf area index (LAI)
0.86Leaf area / crown vol.

Ecosystem services

707.31 kgCarbon storage
41.3 kgCarbon sequestration / yr
109.12 kgOxygen production / yr
0.25 m³Avoided runoff
4.32 m³Water intercepted
5.08 m³Transpiration
4.29 m³Evaporation
26.49 m³Potential evapotranspiration
9.59 gCO removed / yr
37.9 gNO₂ removed / yr
81.76 gSO₂ removed / yr
23.85 gPM2.5 removed / yr
456.74 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

8722.07CAVAT value
22838.3Koch value
2350.65RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
55G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11c/6G u fextracted_street
7001G u fextracted_taxon i d
4.59Crown base height
22.65Live 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 P11c/6 · 2.970127, 101.671148 · Elevation 32.1 m