Ontologia

Traditional Authority · MWI

TA Somba

Malawi

CwaTemperate, dry winter, hot summer(59 %)

Species observed

345

Observations

946

Area

253,1km²

Ecological tissue

Sample of 38 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 TA Somba : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 5.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
38
Connectance
0.054
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

345 distinct species · 946 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

946 obs · 6 cellules
Obs. / cellule
≥ 455
455–454
365–454
59–364
< 59

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

Climate

Mean T°

21,8°C

Annual rain

1 292mm

Warmest m°

30,1°C

Coldest m°

12,1°C

Elevation: 685 m on average (min 263 m, max 1 321 m)

Bioclimatic detailsExpert
Annual mean temp.
21,8°C
Annual rain
1 292mm
Warmest month
30,1°C
Coldest month
12,1°C
Mean alt.
685m
Min
263m
Max
1 321m
Std. dev.
227m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(59 %)Temperate

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

Soil & lithology

pH H₂O

6,0

Org. C

13,7g/kg

Clay

22,8%

Sand

65,0%

Silt

12,2%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
16,9g/kg
Clay
21,2%
Sand
66,3%
Silt
12,5%
5–15 cm
pH H₂O
6,0
Org. C
14,5g/kg
Clay
21,4%
Sand
66,2%
Silt
12,4%
15–30 cm
pH H₂O
6,0
Org. C
9,7g/kg
Clay
25,7%
Sand
62,5%
Silt
11,8%

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

Land cover

Forest24.4%
Crops13.8%
Built-up1.5%
Bare soil0.1%
Other (grassland, water…)60.2%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

54,4km

Basins crossed

1

Max stream order

3

Max drainage

141 899km²

Discharge in basins

164,4m³/s

Mean precip.

938mm/an

Mean T°

23,6°C

Moisture idx

-0,42

Mean runoff

222mm/an

Mean elev. (basins)

504m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,2nW

Built-up

151,0%

Pesticides

5,8kg/km²

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

Protected areas2

IUCN VI · 2

Soche

IUCN VI

Forest Reserve · 1922

4 km²

Milare

IUCN VI

Forest Reserve · 1949

1 km²

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

Sub-administrations20