Ontologia

District · mwi

Nkhata Bay

Malawi

AwTropical, savannah(76 %)

Species observed

2 015

Observations

8 800

Area

11 408,9km²

Ecological tissue

Sample of 28 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 Nkhata Bay : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 4 types (connectance 6.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
23
Connectance
0.061
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

2 015 distinct species · 8 800 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 800 obs · 146 cellules
Obs. / cellule
≥ 916
131–915
32–130
9–31
< 9

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

Climate

Mean T°

23,0°C

Annual rain

1 569mm

Warmest m°

27,6°C

Coldest m°

17,8°C

Elevation: 684 m on average (min 475 m, max 1 889 m)

Bioclimatic detailsExpert
Annual mean temp.
23,0°C
Annual rain
1 569mm
Warmest month
27,6°C
Coldest month
17,8°C
Mean alt.
684m
Min
475m
Max
1 889m
Std. dev.
359m
Köppen-Geiger (dominant)
AwTropical, savannah(76 %)Tropical

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

Soil & lithology

pH H₂O

5,5

Org. C

20,2g/kg

Clay

33,8%

Sand

47,7%

Silt

18,5%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
27,1g/kg
Clay
32,4%
Sand
49,0%
Silt
18,6%
5–15 cm
pH H₂O
5,5
Org. C
19,3g/kg
Clay
32,7%
Sand
48,5%
Silt
18,9%
15–30 cm
pH H₂O
5,5
Org. C
14,1g/kg
Clay
36,4%
Sand
45,5%
Silt
18,1%

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

Land cover

Forest18.3%
Crops5.5%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)75.9%

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

Hydrology32 basins · 2 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

274,8km

Lake surface here

7 169,19km²

Basins crossed

32

Max stream order

4

Max drainage

71 078km²

Discharge in basins

2 956,6m³/s

Mean precip.

1 435mm/an

Mean T°

22,6°C

Moisture idx

-0,07

Mean runoff

252mm/an

Mean elev. (basins)

727m

Watersheds crossing here

23 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

16,4%

Pesticides

2,4kg/km²

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

Protected areas8

IUCN VI · 8

Ruvuo

IUCN VI

Forest Reserve · 1935

48 km²

Chisasira

IUCN VI

Forest Reserve · 1935

25 km²

Nkhwadzi

IUCN VI

Forest Reserve · 1927

16 km²

Complete list

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

Sub-administrations9