Ontologia

Commune · ETH

Bulen

Ethiopia

AwTropical, savannah(93 %)

Species observed

53

Observations

131

Area

3 009km²

Ecological tissue

Sample of 8 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 Bulen : 8 espèces reliées par 6 interactions GloBI sur 1 type (connectance 21.4%, filtre Serrano α=0.2).

Espèces affichées
8
Interactions affichées
6
Connectance
0.214
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

53 distinct species · 131 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

131 obs · 32 cellules
Obs. / cellule
≥ 22
9–21
4–8
2–3
< 2

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

Climate

Mean T°

23,7°C

Annual rain

2 149mm

Warmest m°

33,8°C

Coldest m°

17,1°C

Elevation: 1 233 m on average (min 673 m, max 1 992 m)

Bioclimatic detailsExpert
Annual mean temp.
23,7°C
Annual rain
2 149mm
Warmest month
33,8°C
Coldest month
17,1°C
Mean alt.
1 233m
Min
673m
Max
1 992m
Std. dev.
267m
Köppen-Geiger (dominant)
AwTropical, savannah(93 %)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

31,2g/kg

Clay

40,1%

Sand

28,7%

Silt

31,2%

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

Dominant lithology: vbGLiMaggregated to Metekel

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
42,9g/kg
Clay
36,9%
Sand
30,3%
Silt
32,7%
5–15 cm
pH H₂O
5,8
Org. C
30,4g/kg
Clay
38,6%
Sand
29,6%
Silt
31,7%
15–30 cm
pH H₂O
5,7
Org. C
20,4g/kg
Clay
44,8%
Sand
26,2%
Silt
29,0%

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

Land cover

Forest41.8%
Crops10.6%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)47.5%

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

Hydrology7 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

80,9km

Basins crossed

7

Max stream order

6

Max drainage

110 707km²

Discharge in basins

430,5m³/s

Mean precip.

1 611mm/an

Mean T°

22,2°C

Moisture idx

-0,11

Mean runoff

395mm/an

Mean elev. (basins)

1 301m

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

Human pressure

Pop. density

0hab/km²

Built-up

3,2%

Pesticides

1,9kg/km²

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

Protected areas1

IUCN II · 1

Deddessa

IUCN II

National Park · 2017

2 338 km²

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