Ontologia

Commune · TZA

Holili

Tanzania

AwTropical, savannah(100 %)

Species observed

267

Observations

830

Area

36,2km²

Ecological tissue

Sample of 41 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 Holili : 38 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 5 types (connectance 4.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
34
Connectance
0.042
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

267 distinct species · 830 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

830 obs · 2 cellules
Obs. / cellule
≥ 528
528–527
528–527
528–527
< 528

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

Climate

Mean T°

22,8°C

Annual rain

819mm

Warmest m°

30,4°C

Coldest m°

14,7°C

Elevation: 940 m on average (min 789 m, max 1 211 m)

Bioclimatic detailsExpert
Annual mean temp.
22,8°C
Annual rain
819mm
Warmest month
30,4°C
Coldest month
14,7°C
Mean alt.
940m
Min
789m
Max
1 211m
Std. dev.
65m
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

6,6

Org. C

17,4g/kg

Clay

36,6%

Sand

40,6%

Silt

22,8%

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

Dominant lithology: suGLiMaggregated to Rombo

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
22,1g/kg
Clay
35,7%
Sand
41,6%
Silt
22,8%
5–15 cm
pH H₂O
6,6
Org. C
17,0g/kg
Clay
36,2%
Sand
40,9%
Silt
22,9%
15–30 cm
pH H₂O
6,6
Org. C
13,0g/kg
Clay
37,9%
Sand
39,4%
Silt
22,8%

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

Land cover

Forest14.9%
Crops14.1%
Built-up2.2%
Bare soil0.6%
Other (grassland, water…)68.1%

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 372km²

Discharge in basins

0,3m³/s

Mean precip.

757mm/an

Mean T°

22,0°C

Moisture idx

-0,54

Mean runoff

184mm/an

Mean elev. (basins)

992m

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

Human pressure

Pop. density

2hab/km²

Night light

0,3nW

Built-up

223,5%

Pesticides

0,3kg/km²

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