Ontologia

District · ERI

Ghala Nefhi

Eritrea

BShArid, steppe, hot(43 %)

Species observed

165

Observations

497

Area

476,1km²

Ecological tissue

Sample of 37 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 Ghala Nefhi : 26 espèces reliées par 42 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
42
Connectance
0.063
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

165 distinct species · 497 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

497 obs · 11 cellules
Obs. / cellule
≥ 92
88–91
64–87
49–63
< 49

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

Climate

Mean T°

17,2°C

Annual rain

659mm

Warmest m°

25,9°C

Coldest m°

9,4°C

Elevation: 2 137 m on average (min 1 694 m, max 2 401 m)

Bioclimatic detailsExpert
Annual mean temp.
17,2°C
Annual rain
659mm
Warmest month
25,9°C
Coldest month
9,4°C
Mean alt.
2 137m
Min
1 694m
Max
2 401m
Std. dev.
132m
Köppen-Geiger (dominant)
BShArid, steppe, hot(43 %)Arid

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

Soil & lithology

pH H₂O

7,4

Org. C

14,7g/kg

Clay

34,1%

Sand

37,5%

Silt

28,4%

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
18,4g/kg
Clay
32,2%
Sand
38,9%
Silt
28,8%
5–15 cm
pH H₂O
7,4
Org. C
14,3g/kg
Clay
33,6%
Sand
37,8%
Silt
28,6%
15–30 cm
pH H₂O
7,4
Org. C
11,5g/kg
Clay
36,6%
Sand
35,6%
Silt
27,7%

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

Land cover

Forest4.1%
Crops37.9%
Built-up0.7%
Bare soil6.7%
Other (grassland, water…)50.6%

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

Hydrology5 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

20,9km

Lake surface here

0,95km²

Basins crossed

5

Max stream order

2

Max drainage

2 740km²

Discharge in basins

0,7m³/s

Mean precip.

596mm/an

Mean T°

20,0°C

Moisture idx

-0,66

Mean runoff

61mm/an

Mean elev. (basins)

1 773m

Watersheds crossing here

Lakes (1, 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

67,4%

Pesticides

0,2kg/km²

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