Ontologia

Commune · TZA

Matema

Tanzania

AwTropical, savannah(80 %)

Species observed

681

Observations

2 302

Area

92,3km²

Ecological tissue

Sample of 23 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 Matema : 21 espèces reliées par 15 interactions GloBI sur 3 types (connectance 5.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
15
Connectance
0.059
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

681 distinct species · 2 302 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 302 obs · 3 cellules
Obs. / cellule
≥ 2 167
2 167–2 166
2 167–2 166
119–2 166
< 119

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

Climate

Mean T°

22,5°C

Annual rain

4 636mm

Warmest m°

27,5°C

Coldest m°

16,3°C

Elevation: 768 m on average (min 475 m, max 1 705 m)

Bioclimatic detailsExpert
Annual mean temp.
22,5°C
Annual rain
4 636mm
Warmest month
27,5°C
Coldest month
16,3°C
Mean alt.
768m
Min
475m
Max
1 705m
Std. dev.
311m
Köppen-Geiger (dominant)
AwTropical, savannah(80 %)Tropical

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

Soil & lithology

pH H₂O

5,4

Org. C

25,7g/kg

Clay

30,0%

Sand

47,1%

Silt

22,9%

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

Dominant lithology: ssGLiMaggregated to Kyela

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
37,5g/kg
Clay
29,8%
Sand
47,7%
Silt
22,5%
5–15 cm
pH H₂O
5,4
Org. C
23,0g/kg
Clay
29,6%
Sand
47,3%
Silt
23,1%
15–30 cm
pH H₂O
5,4
Org. C
16,6g/kg
Clay
30,7%
Sand
46,3%
Silt
23,1%

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

Land cover

Forest52.5%
Crops18.1%
Built-up1.1%
Bare soil0.1%
Other (grassland, water…)28.2%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,4km

Lake surface here

0,14km²

Basins crossed

1

Max stream order

4

Max drainage

1 865km²

Discharge in basins

1,5m³/s

Mean precip.

1 909mm/an

Mean T°

18,9°C

Moisture idx

0,23

Mean runoff

476mm/an

Mean elev. (basins)

1 552m

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

2hab/km²

Night light

0,1nW

Built-up

107,6%

Pesticides

0,0kg/km²

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