Ontologia

Commune · TZA

Issuna

Tanzania

AwTropical, savannah(96 %)

Species observed

94

Observations

168

Area

861,4km²

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 Issuna : 6 espèces 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
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

94 distinct species · 168 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

168 obs · 10 cellules
Obs. / cellule
≥ 62
62–61
39–61
5–38
< 5

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

Climate

Mean T°

21,0°C

Annual rain

752mm

Warmest m°

28,8°C

Coldest m°

13,1°C

Elevation: 1 402 m on average (min 1 311 m, max 1 479 m)

Bioclimatic detailsExpert
Annual mean temp.
21,0°C
Annual rain
752mm
Warmest month
28,8°C
Coldest month
13,1°C
Mean alt.
1 402m
Min
1 311m
Max
1 479m
Std. dev.
36m
Köppen-Geiger (dominant)
AwTropical, savannah(96 %)Tropical

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

Soil & lithology

pH H₂O

5,2

Org. C

10,6g/kg

Clay

24,2%

Sand

68,5%

Silt

7,3%

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

Dominant lithology: suGLiMaggregated to Ikungi

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
15,2g/kg
Clay
23,0%
Sand
69,4%
Silt
7,6%
5–15 cm
pH H₂O
5,2
Org. C
10,0g/kg
Clay
23,3%
Sand
69,2%
Silt
7,5%
15–30 cm
pH H₂O
5,2
Org. C
6,5g/kg
Clay
26,4%
Sand
66,8%
Silt
6,9%

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

Land cover

Forest17.2%
Crops38.6%
Built-up0.1%
Bare soil1.0%
Other (grassland, water…)43.1%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

8 191km²

Discharge in basins

1,3m³/s

Mean precip.

610mm/an

Mean T°

21,7°C

Moisture idx

-0,64

Mean runoff

59mm/an

Mean elev. (basins)

1 277m

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

13,0%

Pesticides

0,0kg/km²

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