Ontologia

District · YEM

Dhar

Yemen

BWhArid, desert, hot(100 %)

Species observed

50

Observations

201

Area

1 289km²

Ecological tissue

Sample of 8 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 Dhar : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
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

50 distinct species · 201 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

201 obs · 3 cellules
Obs. / cellule
≥ 174
174–173
174–173
21–173
< 21

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

Climate

Mean T°

25,9°C

Annual rain

81mm

Warmest m°

36,7°C

Coldest m°

11,0°C

Elevation: 1 042 m on average (min 708 m, max 1 468 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
81mm
Warmest month
36,7°C
Coldest month
11,0°C
Mean alt.
1 042m
Min
708m
Max
1 468m
Std. dev.
243m
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

8,0

Org. C

8,2g/kg

Clay

15,6%

Sand

40,5%

Silt

43,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
9,1g/kg
Clay
14,8%
Sand
41,2%
Silt
44,0%
5–15 cm
pH H₂O
8,0
Org. C
7,6g/kg
Clay
15,8%
Sand
40,3%
Silt
43,9%
15–30 cm
pH H₂O
8,0
Org. C
7,8g/kg
Clay
16,3%
Sand
39,9%
Silt
43,8%

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

Land cover

Forest0.2%
Crops0.2%
Built-up0.0%
Bare soil92.8%
Other (grassland, water…)6.8%

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

Hydrology9 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

106,6km

Basins crossed

9

Max stream order

3

Max drainage

34 822km²

Discharge in basins

0,1m³/s

Mean precip.

72mm/an

Mean T°

21,6°C

Moisture idx

-0,95

Mean runoff

5mm/an

Mean elev. (basins)

1 034m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,2%

Pesticides

0,0kg/km²

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