Ontologia

District · TZA

Ulanga

Tanzania

AwTropical, savannah(97 %)

Species observed

1 560

Observations

12 742

Area

23 459,8km²

Ecological tissue

Sample of 26 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 Ulanga : 20 espèces reliées par 25 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
25
Connectance
0.077
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

1 560 distinct species · 12 742 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 742 obs · 159 cellules
Obs. / cellule
≥ 1 015
329–1 014
19–328
3–18
< 3

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

Climate

Mean T°

23,9°C

Annual rain

1 344mm

Warmest m°

31,6°C

Coldest m°

15,7°C

Elevation: 499 m on average (min 186 m, max 1 464 m)

Bioclimatic detailsExpert
Annual mean temp.
23,9°C
Annual rain
1 344mm
Warmest month
31,6°C
Coldest month
15,7°C
Mean alt.
499m
Min
186m
Max
1 464m
Std. dev.
229m
Köppen-Geiger (dominant)
AwTropical, savannah(97 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,6

Org. C

15,8g/kg

Clay

27,8%

Sand

57,6%

Silt

14,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
23,0g/kg
Clay
26,1%
Sand
59,2%
Silt
14,7%
5–15 cm
pH H₂O
5,6
Org. C
14,8g/kg
Clay
26,5%
Sand
58,7%
Silt
14,9%
15–30 cm
pH H₂O
5,5
Org. C
9,5g/kg
Clay
31,0%
Sand
54,9%
Silt
14,1%

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

Land cover

Forest46.9%
Crops9.8%
Built-up0.1%
Bare soil0.4%
Other (grassland, water…)42.8%

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

Hydrology52 basins · 10 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

908,4km

Lake surface here

3,77km²

Basins crossed

52

Max stream order

6

Max drainage

66 788km²

Discharge in basins

3 980,7m³/s

Mean precip.

1 374mm/an

Mean T°

24,1°C

Moisture idx

-0,07

Mean runoff

519mm/an

Mean elev. (basins)

514m

Watersheds crossing here

43 more basins

Lakes (10, top by area)

1 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

9,2%

Pesticides

0,0kg/km²

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

Protected areas21

IUCN Not Reported · 16IUCN IV · 4IUCN Not Applicable · 1

Selous Game Reserve

IUCN Not Applicable

World Heritage Site (natural or mixed) · 1982

47 215 km²

Selous G.R

IUCN IV

Game Reserve · 1905

41 309 km²

Liwale WMA

IUCN Not Reported

Wildlife Management Area · 2009

3 730 km²

Complete list

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

Sub-administrations20