Ontologia

Commune · DZA

Djanet

Algeria

BWhArid, desert, hot(100 %)

Species observed

351

Observations

1 474

Area

57 012km²

Ecological tissue

Sample of 31 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 Djanet : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 5 types (connectance 9.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
42
Connectance
0.090
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

351 distinct species · 1 474 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 474 obs · 24 cellules
Obs. / cellule
≥ 941
85–940
22–84
13–21
< 13

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

22,7°C

Annual rain

12mm

Warmest m°

36,7°C

Coldest m°

3,3°C

Elevation: 1 002 m on average (min 641 m, max 1 807 m)

Bioclimatic detailsExpert
Annual mean temp.
22,7°C
Annual rain
12mm
Warmest month
36,7°C
Coldest month
3,3°C
Mean alt.
1 002m
Min
641m
Max
1 807m
Std. dev.
212m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,3

Org. C

4,9g/kg

Clay

21,9%

Sand

47,9%

Silt

30,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,3
Org. C
6,0g/kg
Clay
21,0%
Sand
48,7%
Silt
30,3%
5–15 cm
pH H₂O
8,3
Org. C
5,0g/kg
Clay
21,9%
Sand
48,0%
Silt
30,1%
15–30 cm
pH H₂O
8,3
Org. C
3,8g/kg
Clay
22,7%
Sand
47,0%
Silt
30,3%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil99.2%
Other (grassland, water…)0.8%

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

Hydrology113 basins · 0 lakes · 48 rivers

Hydrology metrics for this exact territory

Stream length here

2 049,1km

Basins crossed

113

Max stream order

6

Max drainage

34 966km²

Discharge in basins

14,3m³/s

Mean precip.

15mm/an

Mean T°

23,5°C

Moisture idx

-0,99

Mean runoff

4mm/an

Mean elev. (basins)

989m

Watersheds crossing here

104 more basins

Rivers / streams (48, ord ≥ 4)

36 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,3%

Pesticides

0,0kg/km²

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

Protected areas4

IUCN Not Applicable · 4

Ahaggar

IUCN Not Applicable

Cultural Park · 1987

542 179 km²

Tassili N'Ajjer

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1986

98 902 km²

Tassili n'Ajjer

IUCN Not Applicable

World Heritage Site (natural or mixed) · 1982

75 390 km²

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