Nagarkovil NR
IUCN IbNature Reserve · 2016
79 km²
Division · LKA
Thenmaradchy (Chavakachcheri)
Sri Lanka
AwTropical, savannah(100 %)
Species observed
202
Observations
1 561
Area
227km²
Ecological tissue
Sample of 24 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 Thenmaradchy (Chavakachcheri) : 18 espèces reliées par 36 interactions GloBI sur 3 types (connectance 13.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
36
Connectance
0.130
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
202 distinct species · 1 561 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,8°C
Annual rain
1 231mm
Warmest m°
31,5°C
Coldest m°
24,2°C
Elevation: 4 m on average (min -31 m, max 8 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,8°C
Annual rain
1 231mm
Warmest month
31,5°C
Coldest month
24,2°C
Mean alt.
4m
Min
-31m
Max
8m
Std. dev.
3m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
48,2g/kg
Clay
28,6%
Sand
39,2%
Silt
32,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
62,0g/kg
Clay
27,8%
Sand
39,7%
Silt
32,5%
5–15 cm
pH H₂O
6,3
Org. C
43,0g/kg
Clay
28,7%
Sand
39,3%
Silt
32,0%
15–30 cm
pH H₂O
6,3
Org. C
39,6g/kg
Clay
29,2%
Sand
38,6%
Silt
32,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.7%
Crops41.0%
Built-up2.0%
Bare soil4.0%
Other (grassland, water…)35.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 11 lakes · 0 rivers
Hydrology metrics for this exact territory
Lake surface here
9,76km²
Basins crossed
1
Max drainage
1 391km²
Discharge in basins
0,8m³/s
Mean precip.
1 281mm/an
Mean T°
27,8°C
Moisture idx
-0,01
Mean runoff
445mm/an
Mean elev. (basins)
6m
Watersheds crossing here
Lakes (11, top by area)
- Uppu Aru Lagoonarea14,8 km²avg depth1.0 m
- Uppu Aru Lagoonarea3,4 km²avg depth0.8 m
- Lake #79824area2,6 km²avg depth0.9 m
- Uppu Aru Lagoonarea1,3 km²avg depth0.8 m
- Uppu Aru Lagoonarea1,2 km²avg depth0.5 m
- Lac 1402679area0,7 km²avg depth1.8 m
- Lac 1402665area0,4 km²avg depth1.9 m
- Lac 1402696area0,2 km²avg depth1.6 m
- Lac 1402672area0,2 km²avg depth2.4 m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
0,7nW
Built-up
200,4%
Pesticides
11,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ib · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN