Ontologia

Municipality · MEX

Alfajayucan

México

BSkArid, steppe, cold(66 %)

Species observed

648

Observations

2 748

Area

433,5km²

Ecological tissue

Sample of 44 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 Alfajayucan : 32 espèces reliées par 113 interactions GloBI sur 3 types (connectance 10.9%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
113
Connectance
0.109
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

648 distinct species · 2 748 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 748 obs · 10 cellules
Obs. / cellule
≥ 1 042
1 042–1 041
357–1 041
178–356
< 178

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

Climate

Mean T°

16,8°C

Annual rain

527mm

Warmest m°

26,6°C

Coldest m°

6,7°C

Elevation: 2 075 m on average (min 1 755 m, max 2 702 m)

Bioclimatic detailsExpert
Annual mean temp.
16,8°C
Annual rain
527mm
Warmest month
26,6°C
Coldest month
6,7°C
Mean alt.
2 075m
Min
1 755m
Max
2 702m
Std. dev.
232m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(66 %)Arid

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

Soil & lithology

pH H₂O

7,0

Org. C

20,5g/kg

Clay

31,6%

Sand

43,5%

Silt

24,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
28,1g/kg
Clay
29,5%
Sand
45,0%
Silt
25,5%
5–15 cm
pH H₂O
7,0
Org. C
20,8g/kg
Clay
30,9%
Sand
43,9%
Silt
25,2%
15–30 cm
pH H₂O
7,1
Org. C
12,5g/kg
Clay
34,4%
Sand
41,6%
Silt
24,0%

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

Land cover

Forest19.3%
Crops16.9%
Built-up0.9%
Bare soil2.5%
Other (grassland, water…)60.5%

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

Hydrology6 basins · 5 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

22,4km

Lake surface here

5,09km²

Basins crossed

6

Max stream order

3

Max drainage

6 577km²

Discharge in basins

2,9m³/s

Mean precip.

583mm/an

Mean T°

16,3°C

Moisture idx

-0,63

Mean runoff

82mm/an

Mean elev. (basins)

2 166m

Watersheds crossing here

Lakes (5, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

89,3%

Pesticides

19,9kg/km²

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