Ontologia

Commune · DZA

Ramdane Djamel

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

37

Observations

72

Area

116,6km²

Ecological tissue

Sample of 14 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 Ramdane Djamel : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 9.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
9
Connectance
0.099
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

37 distinct species · 72 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

72 obs · 3 cellules
Obs. / cellule
≥ 44
44–43
44–43
25–43
< 25

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

Climate

Mean T°

18,0°C

Annual rain

718mm

Warmest m°

30,3°C

Coldest m°

7,4°C

Elevation: 141 m on average (min 31 m, max 419 m)

Bioclimatic detailsExpert
Annual mean temp.
18,0°C
Annual rain
718mm
Warmest month
30,3°C
Coldest month
7,4°C
Mean alt.
141m
Min
31m
Max
419m
Std. dev.
82m
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

6,7

Org. C

28,3g/kg

Clay

39,1%

Sand

31,2%

Silt

29,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
44,3g/kg
Clay
39,1%
Sand
31,0%
Silt
29,9%
5–15 cm
pH H₂O
6,8
Org. C
22,6g/kg
Clay
38,5%
Sand
31,3%
Silt
30,3%
15–30 cm
pH H₂O
6,7
Org. C
18,0g/kg
Clay
39,8%
Sand
31,2%
Silt
29,0%

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

Land cover

Forest15.2%
Crops27.0%
Built-up0.9%
Bare soil2.4%
Other (grassland, water…)54.5%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

14,5km

Basins crossed

2

Max stream order

3

Max drainage

1 837km²

Discharge in basins

0,9m³/s

Mean precip.

759mm/an

Mean T°

16,3°C

Moisture idx

-0,33

Max snow

1%

Mean runoff

218mm/an

Mean elev. (basins)

340m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

2,9nW

Built-up

94,5%

Pesticides

17,4kg/km²

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