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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 36518 · alive · Condition: poor · LC · Least Concern · Elevation: 42.2 m

Photos

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trunk branches leaf

Dimensions

3.9 mHeight
2.15 mTrunk height
7 cmTrunk diameter (DBH)
1.09 mCanopy height
2 mCanopy width
6.31 mCanopy circumference
2.94 m²Crown projection area
2.34 m³Crown volume
1Stems

Structure & risk

57.3Slenderness (H/D)
0.64Safety factor (default wind)
15.06 °Leaning angle
3.26 °Trunk lean angle
0Competition index
0.82 mTree protection zone
1.23 mRoot protection zone
l0TMS category

Health & vitality

poorCondition
lowVitality
youngAge class
moderately defoliatedCrown transparency
41.8 %Foliage transparency
50.21 %Dieback
91.28 %Crown density
100 %Crown light exposure ratio
27.94 %Live crown ratio
7.62 m²Leaf area
2.59Leaf area index (LAI)
3.27Leaf area / crown vol.

Ecosystem services

6.04 kgCarbon storage
3.67 kgCarbon sequestration / yr
9.69 kgOxygen production / yr
0.01 m³Avoided runoff
0.12 m³Water intercepted
0.14 m³Transpiration
0.12 m³Evaporation
0.7 m³Potential evapotranspiration
0.27 gCO removed / yr
1.04 gNO₂ removed / yr
2.24 gSO₂ removed / yr
0.66 gPM2.5 removed / yr
12.47 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

160.52CAVAT value
2898.16Koch value
318.89RADO 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 P11f/3G u fextracted_street
7001G u fextracted_taxon i d
2.81Crown base height
3.9Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11f/3 · 2.962240, 101.669688 · Elevation 42.2 m