Ontologia

Commune · BDI

Nyanza-Lac

Burundi

AwTropical, savannah(100 %)

Species observed

194

Observations

723

Area

369,2km²

Ecological tissue

Sample of 22 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 Nyanza-Lac : 16 espèces reliées par 23 interactions GloBI sur 4 types (connectance 10.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
23
Connectance
0.100
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

194 distinct species · 723 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

723 obs · 8 cellules
Obs. / cellule
≥ 461
461–460
55–460
43–54
< 43

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

Climate

Mean T°

23,4°C

Annual rain

1 555mm

Warmest m°

27,9°C

Coldest m°

19,8°C

Elevation: 957 m on average (min 770 m, max 1 594 m)

Bioclimatic detailsExpert
Annual mean temp.
23,4°C
Annual rain
1 555mm
Warmest month
27,9°C
Coldest month
19,8°C
Mean alt.
957m
Min
770m
Max
1 594m
Std. dev.
174m
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

5,7

Org. C

20,3g/kg

Clay

33,8%

Sand

36,6%

Silt

29,6%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
28,1g/kg
Clay
32,1%
Sand
37,4%
Silt
30,5%
5–15 cm
pH H₂O
5,7
Org. C
19,4g/kg
Clay
33,7%
Sand
37,1%
Silt
29,3%
15–30 cm
pH H₂O
5,7
Org. C
13,4g/kg
Clay
35,8%
Sand
35,3%
Silt
28,9%

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

Land cover

Forest25.4%
Crops28.2%
Built-up2.0%
Bare soil0.2%
Other (grassland, water…)44.2%

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

Hydrology3 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

64,0km

Lake surface here

0,06km²

Basins crossed

3

Max stream order

3

Max drainage

24 457km²

Discharge in basins

5,2m³/s

Mean precip.

1 176mm/an

Mean T°

22,6°C

Moisture idx

-0,25

Mean runoff

197mm/an

Mean elev. (basins)

944m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

0,0nW

Built-up

195,8%

Pesticides

0,1kg/km²

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

Protected areas2

IUCN Ib · 1IUCN Not Reported · 1📍 Point sites · 2

Vyanda

IUCN Ib

Nature reserve · 1980

45 km²

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

Sub-administrations35