Teravil Oddusuddan
IUCN IbReserved Forest · 1921
381 km²
District · lka
Mullaitivu
Sri Lanka
AwTropical, savannah(100 %)
Species observed
424
Observations
2 748
Area
2 564,3km²
Ecological tissue
Sample of 34 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 Mullaitivu : 30 espèces reliées par 34 interactions GloBI sur 3 types (connectance 6.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
34
Connectance
0.061
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
424 distinct species · 2 748 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,7°C
Annual rain
1 394mm
Warmest m°
33,4°C
Coldest m°
22,6°C
Elevation: 36 m on average (min -12 m, max 78 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,7°C
Annual rain
1 394mm
Warmest month
33,4°C
Coldest month
22,6°C
Mean alt.
36m
Min
-12m
Max
78m
Std. dev.
17m
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
5,9
Org. C
52,7g/kg
Clay
31,5%
Sand
38,2%
Silt
30,2%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
63,7g/kg
Clay
30,8%
Sand
38,7%
Silt
30,5%
5–15 cm
pH H₂O
5,9
Org. C
49,5g/kg
Clay
31,5%
Sand
38,4%
Silt
30,1%
15–30 cm
pH H₂O
5,9
Org. C
44,9g/kg
Clay
32,3%
Sand
37,5%
Silt
30,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest66.3%
Crops14.3%
Built-up0.3%
Bare soil0.8%
Other (grassland, water…)18.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 35 lakes · 23 rivers
Hydrology metrics for this exact territory
Stream length here
273,0km
Lake surface here
105,34km²
Basins crossed
7
Max stream order
4
Max drainage
1 876km²
Discharge in basins
6,5m³/s
Mean precip.
1 405mm/an
Mean T°
27,6°C
Moisture idx
-0,02
Mean runoff
402mm/an
Mean elev. (basins)
40m
Watersheds crossing here
- Bassin de Neththali Aarusub-area1 655,2 km²overlap1344.97 km²52%
- Bassin de Paali Aarusub-area1 875,9 km²overlap609.16 km²24%
- Bassin de Kanagarayan Arusub-area772,6 km²overlap305.56 km²12%
- Bassin de Thiruppu Moddai Riversub-area797 km²overlap172.07 km²7%
- Basin #49310sub-area1 177,8 km²overlap80.35 km²3%
- Bassin de Ma Oyasub-area1 129,9 km²overlap48.77 km²2%
- Bassin de Mee Oya மீ ஆறுsub-area174 km²overlap3.37 km²0%
Lakes (35, top by area)
- Nandikadal Lagoonarea25,8 km²avg depth1.9 m
- Iranamadu Tankarea21,5 km²avg depth27.0 m
- Vanna Kulamarea10,2 km²avg depth2.8 m
- Muthuaiyankaddu Kulamarea9,3 km²avg depth5.6 m
- Akkarayan Kulamarea7,4 km²avg depth4.0 m
- Nayaru Lagoonarea4,6 km²avg depth2.1 m
- Tannimurippu Kulamarea4 km²avg depth2.5 m
- Kalamadu Kulamarea3 km²avg depth3.1 m
- Periyamadu Kulamarea2,9 km²avg depth2.5 m
26 more lakes
- Lake #79865area2,7 km²avg depth1.9 m
- Iyankan kulamarea1,9 km²avg depth1.7 m
- Visuamadu Kulamarea1,5 km²avg depth2.8 m
- Lake #79909area1,4 km²avg depth4.2 m
- Navalang Kulamarea1,2 km²avg depth1.2 m
- Lac 1402967area1 km²avg depth2.0 m
- Lac 1403062area0,9 km²avg depth1.6 m
- Lac 1403107area0,9 km²avg depth2.0 m
- Lac 1403109area0,8 km²avg depth2.5 m
- Lac 1402944area0,8 km²avg depth2.2 m
- Lac 1403264area0,8 km²avg depth2.1 m
- Lac 1402975area0,7 km²avg depth2.4 m
- Lac 1403073area0,7 km²avg depth2.1 m
- Lac 1403110area0,5 km²avg depth2.7 m
- Lac 1403187area0,5 km²avg depth2.2 m
- Lac 1403191area0,4 km²avg depth1.9 m
- Lac 1403274area0,3 km²avg depth1.8 m
- Lac 1402996area0,3 km²avg depth2.8 m
- Lac 1403083area0,3 km²avg depth1.3 m
- Lac 1403079area0,3 km²avg depth1.3 m
- Lac 1403251area0,3 km²avg depth1.4 m
- Lac 1403242area0,2 km²avg depth2.2 m
- Lac 1403215area0,2 km²avg depth3.0 m
- Lac 1403168area0,2 km²avg depth1.4 m
- Lac 1403119area0,2 km²avg depth1.9 m
- Lac 1403098area0,1 km²avg depth1.6 m
Rivers / streams (23, ord ≥ 4)
- Kanagarayan Aruord 3len here42.13 km54%total78 km
- Paali Aaruord 2len here40.16 km100%total40 km
- Thiruppu Moddai Riverord 3len here29.35 km44%total67 km
- Neththali Aaruord 1len here20.80 km77%total27 km
- Therankandal Aaruord 1len here19.45 km100%total19 km
- Peraruord 3len here19.26 km100%total19 km
- Left Bank Channelord 1len here13.74 km99%total14 km
- மணலாறு Manalaaruord 2len here13.68 km100%total14 km
- Kalikojil Aaruord 1len here12.83 km98%total13 km
- Chalampan Kulam Aaruord 2len here9.05 km48%total19 km
- Pali Aruord 2len here8.99 km100%total9 km
- Kachchakkodi Aaruord 3len here8.04 km100%total8 km
11 more river segmentssorted by Strahler order + length
- Kanniponniyan Aaru கன்னிபொன்னியன் ஆறுord 4len here7.61 km65%total12 km
- Kuruvichchai Aruord 1len here6.49 km79%total8 km
- Chavar Aaruord 2len here6.23 km100%total6 km
- Siththaruord 3len here4.44 km100%total4 km
- Churiyan Aruord 3len here3.31 km70%total5 km
- Iranaimadu Left Bank Branch Channelord 1len here2.81 km25%total11 km
- Churiyan Aruord 1len here1.61 km100%total2 km
- Periya Aaruord 2len here1.33 km8%total16 km
- Chavar Aaruord 1len here1.12 km98%total1 km
- Ma Oyaord 4len here0.40 km1%total48 km
- Akkaraayan Riverord 3len here0.21 km1%total22 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
30,6%
Pesticides
12,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas33
IUCN Ib · 30IUCN IV · 3🌊 Marine · 5
Mundumurippu
IUCN IbReserved Forest · 2012
263 km²
Thunukkai
IUCN IbReserved Forest · 2012
254 km²
Chundikulam NP
IUCN IVNational Park · 2015
196 km²
Andankulam
IUCN IbReserved Forest · 1921
151 km²
Periyakattikulam
IUCN IbReserved Forest · 2012
115 km²
Complete list33 protected areas
- Teravil OddusuddanReserved ForestIUCN Ib1921381 km²
- MundumurippuReserved ForestIUCN Ib2012263 km²
- ThunukkaiReserved ForestIUCN Ib2012254 km²
- Chundikulam NPNational ParkIUCN IV2015196 km²
- AndankulamReserved ForestIUCN Ib1921151 km²
- PeriyakattikulamReserved ForestIUCN Ib2012115 km²
- KillinochchiReserved ForestIUCN Ib1979111 km²
- VannivilankulamReserved ForestIUCN Ib1921109 km²
- PuliyankulamaReserved ForestIUCN Ib201294 km²
- NeenthavilReserved ForestIUCN Ib192183 km²
- IranamaduReserved ForestIUCN Ib193081 km²
- VadakkachchiReserved ForestIUCN Ib197370 km²
- PanikkankulamReserved ForestIUCN Ib197968 km²
- NagancholaiReserved ForestIUCN Ib193268 km²
- MankulamReserved ForestIUCN Ib201259 km²
- KokkilaiSanctuaryIUCN IV195156 km²
- KulamurippuReserved ForestIUCN Ib192149 km²
- Nayaru NRNature ReserveIUCN Ib201745 km²
- PeriyamaduReserved ForestIUCN Ib201242 km²
- Nandikadal NRNature ReserveIUCN Ib201741 km²
- AlaweduwanReserved ForestIUCN Ib201241 km²
- NagapaduwanReserved ForestIUCN Ib197940 km²
- ChamalankulamReserved ForestIUCN Ib192134 km²
- PanaikandamaduReserved ForestIUCN Ib201225 km²
- VavunikulamSanctuaryIUCN IV196324 km²
- PdukkudiyrippuReserved ForestIUCN Ib201222 km²
- ThannimurippuReserved ForestIUCN Ib201214 km²
- WeppankulamReserved ForestIUCN Ib201213 km²
- TanduvanReserved ForestIUCN Ib192111 km²
- Mulliyavalai2Reserved ForestIUCN Ib20127 km²
- MulliyavalaiReserved ForestIUCN Ib20126 km²
- Mundumurippu ExclusionReserved ForestIUCN Ib20126 km²
- Alaweduwan exclusionReserved ForestIUCN Ib20124 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN