Ontologia

Subdivision · ESP

Alfamén

Spain

BSkArid, steppe, cold(100 %)

Species observed

92

Observations

278

Area

102,3km²

Ecological tissue

Sample of 29 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 Alfamén : 25 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
57
Connectance
0.131
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

92 distinct species · 278 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

278 obs · 1 cellules
Obs. / cellule
≥ 278
278–277
278–277
278–277
< 278

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

Climate

Mean T°

15,0°C

Annual rain

352mm

Warmest m°

31,0°C

Coldest m°

2,2°C

Elevation: 462 m on average (min 378 m, max 566 m)

Bioclimatic detailsExpert
Annual mean temp.
15,0°C
Annual rain
352mm
Warmest month
31,0°C
Coldest month
2,2°C
Mean alt.
462m
Min
378m
Max
566m
Std. dev.
44m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

Soil & lithology

pH H₂O

7,9

Org. C

16,9g/kg

Clay

26,3%

Sand

29,5%

Silt

44,2%

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

Dominant lithology: scGLiMaggregated to Zaragoza

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
25,6g/kg
Clay
24,4%
Sand
30,3%
Silt
45,3%
5–15 cm
pH H₂O
8,0
Org. C
13,3g/kg
Clay
24,7%
Sand
30,2%
Silt
45,0%
15–30 cm
pH H₂O
8,0
Org. C
11,7g/kg
Clay
29,8%
Sand
28,0%
Silt
42,3%

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

Land cover

Forest3.3%
Crops52.9%
Built-up0.2%
Bare soil7.0%
Other (grassland, water…)36.6%

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

Hydrology2 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

28,9km

Basins crossed

2

Max stream order

3

Max drainage

9 658km²

Discharge in basins

0,5m³/s

Mean precip.

394mm/an

Mean T°

12,7°C

Moisture idx

-0,61

Max snow

1%

Mean runoff

20mm/an

Mean elev. (basins)

544m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

17,5%

Pesticides

38,5kg/km²

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