Ontologia

District · ERI

Serejeka

Eritrea

BSkArid, steppe, cold(55 %)

Species observed

158

Observations

342

Area

303,2km²

Ecological tissue

Sample of 27 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 Serejeka : 18 espèces reliées par 41 interactions GloBI sur 2 types (connectance 10.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
41
Connectance
0.108
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

158 distinct species · 342 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

342 obs · 8 cellules
Obs. / cellule
≥ 136
136–135
59–135
20–58
< 20

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

Climate

Mean T°

16,4°C

Annual rain

684mm

Warmest m°

25,3°C

Coldest m°

8,6°C

Elevation: 2 244 m on average (min 1 523 m, max 2 535 m)

Bioclimatic detailsExpert
Annual mean temp.
16,4°C
Annual rain
684mm
Warmest month
25,3°C
Coldest month
8,6°C
Mean alt.
2 244m
Min
1 523m
Max
2 535m
Std. dev.
223m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(55 %)Arid

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

Soil & lithology

pH H₂O

7,3

Org. C

18,2g/kg

Clay

31,0%

Sand

38,5%

Silt

30,5%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
23,8g/kg
Clay
30,4%
Sand
39,1%
Silt
30,5%
5–15 cm
pH H₂O
7,3
Org. C
18,3g/kg
Clay
31,2%
Sand
38,4%
Silt
30,4%
15–30 cm
pH H₂O
7,3
Org. C
12,5g/kg
Clay
31,5%
Sand
38,0%
Silt
30,5%

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

Land cover

Forest5.0%
Crops48.2%
Built-up0.7%
Bare soil4.9%
Other (grassland, water…)41.3%

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

Hydrology5 basins · 2 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

10,0km

Lake surface here

0,46km²

Basins crossed

5

Max stream order

3

Max drainage

2 434km²

Discharge in basins

0,3m³/s

Mean precip.

465mm/an

Mean T°

20,5°C

Moisture idx

-0,72

Mean runoff

56mm/an

Mean elev. (basins)

1 644m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

68,0%

Pesticides

0,2kg/km²

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