Ontologia

Commune · DZA

Hamala

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

117

Observations

454

Area

63,2km²

Ecological tissue

Sample of 34 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 Hamala : 28 espèces reliées par 54 interactions GloBI sur 5 types (connectance 9.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
54
Connectance
0.096
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

117 distinct species · 454 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

454 obs · 2 cellules
Obs. / cellule
≥ 320
320–319
320–319
320–319
< 320

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

Climate

Mean T°

15,7°C

Annual rain

780mm

Warmest m°

32,5°C

Coldest m°

1,8°C

Elevation: 648 m on average (min 116 m, max 1 120 m)

Bioclimatic detailsExpert
Annual mean temp.
15,7°C
Annual rain
780mm
Warmest month
32,5°C
Coldest month
1,8°C
Mean alt.
648m
Min
116m
Max
1 120m
Std. dev.
236m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

31,0g/kg

Clay

29,4%

Sand

36,5%

Silt

34,1%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
47,4g/kg
Clay
29,6%
Sand
36,6%
Silt
33,8%
5–15 cm
pH H₂O
6,2
Org. C
26,2g/kg
Clay
29,8%
Sand
36,1%
Silt
34,1%
15–30 cm
pH H₂O
6,3
Org. C
19,3g/kg
Clay
28,7%
Sand
36,9%
Silt
34,5%

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

Land cover

Forest14.2%
Crops18.9%
Built-up0.8%
Bare soil3.9%
Other (grassland, water…)62.1%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

6,7km

Basins crossed

3

Max stream order

5

Max drainage

7 910km²

Discharge in basins

4,9m³/s

Mean precip.

979mm/an

Mean T°

15,1°C

Moisture idx

-0,12

Max snow

2%

Mean runoff

267mm/an

Mean elev. (basins)

592m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,1nW

Built-up

83,0%

Pesticides

17,7kg/km²

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