Ontologia

District · SSD

Tonga

South Sudan

AwTropical, savannah(100 %)

Species observed

336

Observations

2 738

Area

6 297,9km²

Ecological tissue

Sample of 36 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 Tonga : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 2 types (connectance 5.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
36
Connectance
0.057
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

336 distinct species · 2 738 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 738 obs · 50 cellules
Obs. / cellule
≥ 1 326
105–1 325
17–104
5–16
< 5

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

28,0°C

Annual rain

831mm

Warmest m°

38,6°C

Coldest m°

21,5°C

Elevation: 392 m on average (min 387 m, max 410 m)

Bioclimatic detailsExpert
Annual mean temp.
28,0°C
Annual rain
831mm
Warmest month
38,6°C
Coldest month
21,5°C
Mean alt.
392m
Min
387m
Max
410m
Std. dev.
2m
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

6,6

Org. C

11,4g/kg

Clay

30,3%

Sand

41,0%

Silt

28,7%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
16,2g/kg
Clay
28,1%
Sand
42,7%
Silt
29,2%
5–15 cm
pH H₂O
6,6
Org. C
10,9g/kg
Clay
29,8%
Sand
41,2%
Silt
29,0%
15–30 cm
pH H₂O
6,6
Org. C
7,2g/kg
Clay
32,9%
Sand
39,0%
Silt
28,0%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest15.0%
Crops0.8%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)84.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology33 basins · 36 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

385,8km

Lake surface here

14,78km²

Basins crossed

33

Max stream order

8

Max drainage

1 426 241km²

Discharge in basins

11 342,0m³/s

Mean precip.

789mm/an

Mean T°

27,9°C

Moisture idx

-0,61

Mean runoff

39mm/an

Mean elev. (basins)

401m

Watersheds crossing here

24 more basins

Lakes (36, top by area)

27 more lakes

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

6,6%

Pesticides

1,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas3

IUCN VI · 2IUCN Not Reported · 1

Sudd

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2006

24 217 km²

Zeraf

IUCN VI

Game Reserve · 1939

10 951 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations1