Muthurajawela
IUCN IVSanctuary · 1996
6 km²
Division · LKA
Katana
Sri Lanka
AmTropical, monsoon(62 %)
Species observed
414
Observations
10 001
Area
110,1km²
Ecological tissue
Sample of 38 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Katana : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
41
Connectance
0.055
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
414 distinct species · 10 001 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,1°C
Annual rain
2 088mm
Warmest m°
31,2°C
Coldest m°
23,1°C
Elevation: 8 m on average (min 1 m, max 22 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,1°C
Annual rain
2 088mm
Warmest month
31,2°C
Coldest month
23,1°C
Mean alt.
8m
Min
1m
Max
22m
Std. dev.
3m
Köppen-Geiger (dominant)
AmTropical, monsoon(62 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
64,0g/kg
Clay
36,8%
Sand
31,7%
Silt
31,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
75,6g/kg
Clay
35,9%
Sand
32,3%
Silt
31,8%
5–15 cm
pH H₂O
5,4
Org. C
72,6g/kg
Clay
36,6%
Sand
31,9%
Silt
31,6%
15–30 cm
pH H₂O
5,4
Org. C
43,7g/kg
Clay
38,0%
Sand
30,8%
Silt
31,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.9%
Crops8.5%
Built-up9.8%
Bare soil0.6%
Other (grassland, water…)43.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
26,3km
Basins crossed
3
Max stream order
4
Max drainage
1 516km²
Discharge in basins
3,5m³/s
Mean precip.
2 428mm/an
Mean T°
27,0°C
Moisture idx
0,36
Mean runoff
1 019mm/an
Mean elev. (basins)
78m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
19hab/km²
Night light
6,0nW
Built-up
981,6%
Pesticides
15,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN