Ontologia

Commune · TZA

Mererani

Tanzania

AwTropical, savannah(100 %)

Species observed

90

Observations

749

Area

11,6km²

Ecological tissue

Sample of 14 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 Mererani : 13 espèces reliées par 11 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
11
Connectance
0.121
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

90 distinct species · 749 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

749 obs · 1 cellules
Obs. / cellule
≥ 749
749–748
749–748
749–748
< 749

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

Climate

Mean T°

22,0°C

Annual rain

707mm

Warmest m°

30,8°C

Coldest m°

13,1°C

Elevation: 1 029 m on average (min 909 m, max 1 118 m)

Bioclimatic detailsExpert
Annual mean temp.
22,0°C
Annual rain
707mm
Warmest month
30,8°C
Coldest month
13,1°C
Mean alt.
1 029m
Min
909m
Max
1 118m
Std. dev.
80m
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

7,3

Org. C

14,2g/kg

Clay

33,9%

Sand

44,3%

Silt

21,7%

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

Dominant lithology: mtGLiMaggregated to Simanjiro

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
16,9g/kg
Clay
32,4%
Sand
45,8%
Silt
21,8%
5–15 cm
pH H₂O
7,3
Org. C
15,5g/kg
Clay
32,5%
Sand
45,6%
Silt
21,9%
15–30 cm
pH H₂O
7,3
Org. C
10,1g/kg
Clay
36,9%
Sand
41,6%
Silt
21,5%

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

Land cover

Forest8.2%
Crops16.6%
Built-up5.2%
Bare soil2.2%
Other (grassland, water…)67.8%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

4 710km²

Discharge in basins

0,1m³/s

Mean precip.

826mm/an

Mean T°

20,7°C

Moisture idx

-0,48

Mean runoff

179mm/an

Mean elev. (basins)

1 157m

Watersheds crossing here

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

Human pressure

Pop. density

13hab/km²

Night light

1,8nW

Built-up

516,8%

Pesticides

0,0kg/km²

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