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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 43881 · alive · Condition: good · LC · Least Concern · Elevation: 31.8 m

Photos

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trunk branches leaf

Dimensions

15.54 mHeight
2.87 mTrunk height
54 cmTrunk diameter (DBH)
11.61 mCanopy height
13.91 mCanopy width
43.87 mCanopy circumference
144.86 m²Crown projection area
1137.76 m³Crown volume
2Stems

Structure & risk

28.91Slenderness (H/D)
1.65Safety factor (default wind)
21.87 °Leaning angle
3.58 °Trunk lean angle
0Competition index
6.45 mTree protection zone
9.68 mRoot protection zone
l0TMS category

Health & vitality

goodCondition
highVitality
matureAge class
not defoliatedCrown transparency
10.98 %Foliage transparency
0 %Dieback
80.59 %Crown density
100 %Crown light exposure ratio
74.72 %Live crown ratio
1536.53 m²Leaf area
10.61Leaf area index (LAI)
1.36Leaf area / crown vol.

Ecosystem services

702.26 kgCarbon storage
76.19 kgCarbon sequestration / yr
201.34 kgOxygen production / yr
0.48 m³Avoided runoff
8.47 m³Water intercepted
9.97 m³Transpiration
8.42 m³Evaporation
51.94 m³Potential evapotranspiration
16.24 gCO removed / yr
64.15 gNO₂ removed / yr
138.42 gSO₂ removed / yr
40.37 gPM2.5 removed / yr
773.21 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

11374.07CAVAT value
25228.57Koch value
2684.33RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
85G u fextracted_critical wind speed
2025-06-20G u fextracted_inv date
Jalan Nuri P9 F G u fextracted_street
7001G u fextracted_taxon i d
3.99Crown base height
15.6Live 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 Nuri P9 F · 2.941965, 101.675736 · Elevation 31.8 m