Ontologia

Region · tza

Njombe

Tanzania

CwbTemperate, dry winter, warm summer(73 %)

Species observed

2 918

Observations

13 424

Area

21 320,3km²

Ecological tissue

Sample of 27 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 Njombe : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
22
Connectance
0.063
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

2 918 distinct species · 13 424 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 424 obs · 298 cellules
Obs. / cellule
≥ 604
104–603
23–103
8–22
< 8

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

Climate

Mean T°

17,7°C

Annual rain

1 666mm

Warmest m°

24,5°C

Coldest m°

10,0°C

Elevation: 1 621 m on average (min 456 m, max 2 846 m)

Bioclimatic detailsExpert
Annual mean temp.
17,7°C
Annual rain
1 666mm
Warmest month
24,5°C
Coldest month
10,0°C
Mean alt.
1 621m
Min
456m
Max
2 846m
Std. dev.
450m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(73 %)Temperate

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

Soil & lithology

pH H₂O

5,3

Org. C

21,5g/kg

Clay

37,2%

Sand

46,9%

Silt

15,8%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
27,1g/kg
Clay
36,2%
Sand
47,9%
Silt
15,9%
5–15 cm
pH H₂O
5,3
Org. C
22,0g/kg
Clay
36,4%
Sand
47,7%
Silt
15,9%
15–30 cm
pH H₂O
5,2
Org. C
15,5g/kg
Clay
39,1%
Sand
45,2%
Silt
15,7%

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

Land cover

Forest30.2%
Crops28.7%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)40.1%

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

Hydrology41 basins · 2 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

428,3km

Lake surface here

87,08km²

Basins crossed

41

Max stream order

5

Max drainage

22 929km²

Discharge in basins

814,0m³/s

Mean precip.

1 291mm/an

Mean T°

18,8°C

Moisture idx

-0,12

Mean runoff

328mm/an

Mean elev. (basins)

1 494m

Watersheds crossing here

32 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

45,6%

Pesticides

0,0kg/km²

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

Protected areas30

IUCN Not Reported · 30

Livingstone

IUCN Not Reported

Forest Reserve · 1940

239 km²

Mdando

IUCN Not Reported

Forest Reserve · 1941

44 km²

Complete list

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

Sub-administrations44