Ontologia

District · YEM

Bayhan

Yemen

BWhArid, desert, hot(100 %)

Species observed

11

Observations

67

Area

760,7km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 1 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 Bayhan : 0 espèces reliées par 1 interaction GloBI sur 1 type (connectance 0.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
1
Interactions affichées
1
Connectance
0.0000
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

11 distinct species · 67 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

67 obs · 5 cellules
Obs. / cellule
≥ 24
24–23
17–23
17–16
< 17

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

Climate

Mean T°

25,1°C

Annual rain

92mm

Warmest m°

35,6°C

Coldest m°

10,8°C

Elevation: 1 359 m on average (min 1 079 m, max 1 976 m)

Bioclimatic detailsExpert
Annual mean temp.
25,1°C
Annual rain
92mm
Warmest month
35,6°C
Coldest month
10,8°C
Mean alt.
1 359m
Min
1 079m
Max
1 976m
Std. dev.
216m
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

8,1

Org. C

9,4g/kg

Clay

17,6%

Sand

47,1%

Silt

35,3%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
11,0g/kg
Clay
16,1%
Sand
48,3%
Silt
35,6%
5–15 cm
pH H₂O
8,1
Org. C
8,3g/kg
Clay
17,3%
Sand
47,3%
Silt
35,4%
15–30 cm
pH H₂O
8,1
Org. C
9,0g/kg
Clay
19,4%
Sand
45,7%
Silt
34,8%

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

Land cover

Forest0.5%
Crops3.0%
Built-up0.1%
Bare soil83.4%
Other (grassland, water…)12.9%

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

Hydrology6 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

44,6km

Basins crossed

6

Max stream order

4

Max drainage

4 280km²

Mean precip.

160mm/an

Mean T°

19,5°C

Moisture idx

-0,90

Mean runoff

20mm/an

Mean elev. (basins)

1 509m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

11,8%

Pesticides

0,0kg/km²

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