Ontologia

Commune · TZA

Ulaya

Tanzania

AwTropical, savannah(93 %)

Species observed

658

Observations

2 327

Area

947,6km²

Ecological tissue

Sample of 37 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 Ulaya : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
38
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

658 distinct species · 2 327 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 327 obs · 18 cellules
Obs. / cellule
≥ 952
361–951
125–360
43–124
< 43

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

Climate

Mean T°

23,3°C

Annual rain

938mm

Warmest m°

30,5°C

Coldest m°

15,6°C

Elevation: 655 m on average (min 452 m, max 1 871 m)

Bioclimatic detailsExpert
Annual mean temp.
23,3°C
Annual rain
938mm
Warmest month
30,5°C
Coldest month
15,6°C
Mean alt.
655m
Min
452m
Max
1 871m
Std. dev.
241m
Köppen-Geiger (dominant)
AwTropical, savannah(93 %)Tropical

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

Soil & lithology

pH H₂O

6,0

Org. C

18,4g/kg

Clay

35,5%

Sand

45,6%

Silt

18,9%

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

Dominant lithology: mtGLiMaggregated to Kilosa

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
25,7g/kg
Clay
33,3%
Sand
47,3%
Silt
19,4%
5–15 cm
pH H₂O
6,0
Org. C
17,5g/kg
Clay
37,1%
Sand
44,5%
Silt
18,4%
15–30 cm
pH H₂O
6,0
Org. C
11,8g/kg
Clay
35,9%
Sand
45,0%
Silt
19,1%

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

Land cover

Forest32.8%
Crops16.9%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)50.1%

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

Hydrology7 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

7

Max drainage

18 436km²

Discharge in basins

5,0m³/s

Mean precip.

1 006mm/an

Mean T°

23,5°C

Moisture idx

-0,37

Mean runoff

157mm/an

Mean elev. (basins)

680m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

14,9%

Pesticides

0,0kg/km²

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

Protected areas10

IUCN Not Assigned · 7IUCN IV · 2IUCN II · 1

Ukwiva

IUCN IV

Forest Reserve · 1954

356 km²

Ihombwe

IUCN Not Assigned

Village Land Forest Reserve · 2019

96 km²

Mhenda

IUCN Not Assigned

Village Land Forest Reserve · 2019

67 km²

Ulaya Mbuyuni

IUCN Not Assigned

Village Land Forest Reserve · 2019

28 km²

Complete list

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