Ontologia

Commune · DZA

Tamridjet

Algeria

CsaTemperate, dry summer, hot summer(99 %)

Species observed

78

Observations

131

Area

47,8km²

Ecological tissue

Sample of 15 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 Tamridjet : 13 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
12
Connectance
0.114
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

78 distinct species · 131 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

131 obs · 2 cellules
Obs. / cellule
≥ 118
118–117
118–117
118–117
< 118

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

Climate

Mean T°

15,3°C

Annual rain

876mm

Warmest m°

27,4°C

Coldest m°

5,2°C

Elevation: 666 m on average (min 169 m, max 1 606 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
876mm
Warmest month
27,4°C
Coldest month
5,2°C
Mean alt.
666m
Min
169m
Max
1 606m
Std. dev.
250m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(99 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

37,7g/kg

Clay

29,9%

Sand

36,0%

Silt

34,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
60,3g/kg
Clay
30,6%
Sand
35,6%
Silt
33,8%
5–15 cm
pH H₂O
6,4
Org. C
31,2g/kg
Clay
30,0%
Sand
35,7%
Silt
34,3%
15–30 cm
pH H₂O
6,4
Org. C
21,6g/kg
Clay
29,2%
Sand
36,8%
Silt
34,0%

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

Land cover

Forest25.6%
Crops9.9%
Built-up0.6%
Bare soil5.1%
Other (grassland, water…)58.7%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

11,1km

Basins crossed

2

Max stream order

3

Max drainage

935km²

Discharge in basins

0,3m³/s

Mean precip.

704mm/an

Mean T°

13,5°C

Moisture idx

-0,35

Max snow

3%

Mean runoff

185mm/an

Mean elev. (basins)

861m

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

Human pressure

Pop. density

1hab/km²

Night light

1,3nW

Built-up

58,5%

Pesticides

10,7kg/km²

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

Protected areas1

IUCN II · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN