Ontologia

Commune · ETH

Alem Gena

Ethiopia

CwbTemperate, dry winter, warm summer(98 %)

Species observed

540

Observations

3 235

Area

917,6km²

Ecological tissue

Sample of 36 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 Alem Gena : 31 espèces reliées par 35 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
35
Connectance
0.056
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

540 distinct species · 3 235 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 235 obs · 25 cellules
Obs. / cellule
≥ 879
390–878
108–389
54–107
< 54

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

Climate

Mean T°

17,1°C

Annual rain

1 093mm

Warmest m°

25,0°C

Coldest m°

8,7°C

Elevation: 2 148 m on average (min 1 830 m, max 3 204 m)

Bioclimatic detailsExpert
Annual mean temp.
17,1°C
Annual rain
1 093mm
Warmest month
25,0°C
Coldest month
8,7°C
Mean alt.
2 148m
Min
1 830m
Max
3 204m
Std. dev.
197m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(98 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

20,5g/kg

Clay

43,0%

Sand

20,1%

Silt

36,9%

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

Dominant lithology: vbGLiMaggregated to Debub Mirab Shewa

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
29,2g/kg
Clay
41,2%
Sand
20,7%
Silt
38,1%
5–15 cm
pH H₂O
6,9
Org. C
19,0g/kg
Clay
43,5%
Sand
19,7%
Silt
36,7%
15–30 cm
pH H₂O
6,9
Org. C
13,2g/kg
Clay
44,2%
Sand
19,7%
Silt
36,0%

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

Land cover

Forest5.9%
Crops57.2%
Built-up1.6%
Bare soil3.4%
Other (grassland, water…)31.9%

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

Hydrology4 basins · 2 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

146,3km

Lake surface here

1,43km²

Basins crossed

4

Max stream order

5

Max drainage

5 004km²

Discharge in basins

22,7m³/s

Mean precip.

1 070mm/an

Mean T°

17,0°C

Moisture idx

-0,33

Mean runoff

243mm/an

Mean elev. (basins)

2 276m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,6nW

Built-up

161,3%

Pesticides

3,5kg/km²

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