Ontologia

Commune · TZA

Ijanija

Tanzania

AwTropical, savannah(100 %)

Species observed

39

Observations

46

Area

107,9km²

Ecological tissue

Sample of 6 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 Ijanija : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
3
Connectance
0.200
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

39 distinct species · 46 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

46 obs · 3 cellules
Obs. / cellule
≥ 25
25–24
25–24
17–24
< 17

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

Climate

Mean T°

23,4°C

Annual rain

894mm

Warmest m°

30,9°C

Coldest m°

16,6°C

Elevation: 1 205 m on average (min 1 170 m, max 1 248 m)

Bioclimatic detailsExpert
Annual mean temp.
23,4°C
Annual rain
894mm
Warmest month
30,9°C
Coldest month
16,6°C
Mean alt.
1 205m
Min
1 170m
Max
1 248m
Std. dev.
13m
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

6,0

Org. C

8,6g/kg

Clay

19,8%

Sand

66,9%

Silt

13,3%

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

Dominant lithology: suGLiMaggregated to Nzega

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
12,8g/kg
Clay
17,0%
Sand
69,6%
Silt
13,4%
5–15 cm
pH H₂O
6,0
Org. C
7,7g/kg
Clay
17,2%
Sand
69,2%
Silt
13,6%
15–30 cm
pH H₂O
5,9
Org. C
5,4g/kg
Clay
25,2%
Sand
62,1%
Silt
12,8%

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

Land cover

Forest5.9%
Crops45.5%
Built-up1.2%
Bare soil2.8%
Other (grassland, water…)44.7%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,6km

Lake surface here

0,05km²

Basins crossed

1

Max stream order

2

Max drainage

2 619km²

Discharge in basins

0,2m³/s

Mean precip.

900mm/an

Mean T°

23,3°C

Moisture idx

-0,48

Mean runoff

58mm/an

Mean elev. (basins)

1 177m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

116,1%

Pesticides

0,0kg/km²

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