Ontologia

Commune · TZA

Nyahanga

Tanzania

AwTropical, savannah(100 %)

Species observed

20

Observations

21

Area

18,6km²

Ecological tissue

Sample of 3 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 Nyahanga : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

20 distinct species · 21 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 obs · 1 cellules
Obs. / cellule
≥ 21
21–20
21–20
21–20
< 21

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

Climate

Mean T°

22,7°C

Annual rain

921mm

Warmest m°

30,0°C

Coldest m°

16,8°C

Elevation: 1 254 m on average (min 1 217 m, max 1 272 m)

Bioclimatic detailsExpert
Annual mean temp.
22,7°C
Annual rain
921mm
Warmest month
30,0°C
Coldest month
16,8°C
Mean alt.
1 254m
Min
1 217m
Max
1 272m
Std. dev.
19m
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

5,8

Org. C

10,0g/kg

Clay

15,1%

Sand

75,0%

Silt

9,9%

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

Dominant lithology: suGLiMaggregated to Kahama Town

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
16,0g/kg
Clay
14,2%
Sand
75,9%
Silt
9,9%
5–15 cm
pH H₂O
5,8
Org. C
7,6g/kg
Clay
13,3%
Sand
76,6%
Silt
10,0%
15–30 cm
pH H₂O
5,7
Org. C
6,4g/kg
Clay
17,7%
Sand
72,5%
Silt
9,7%

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

Land cover

Forest6.0%
Crops38.6%
Built-up10.9%
Bare soil2.6%
Other (grassland, water…)41.8%

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

942km²

Discharge in basins

0,0m³/s

Mean precip.

881mm/an

Mean T°

22,8°C

Moisture idx

-0,48

Mean runoff

48mm/an

Mean elev. (basins)

1 218m

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

Human pressure

Pop. density

10hab/km²

Night light

2,3nW

Built-up

1 087,1%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

Kahama dam

IUCN Not Reported

Forest Reserve · 1963

1 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN