Ontologia

HydroBASINS lev08 watershed · #7080833220

Bassin de Río Grande de Santiago

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 3 administrative regions : Jamay, Ocotlán, Poncitlán

358% lakePfafstetter: 77147031

Sub-basin area

45,7km²

Upstream area

43 700km²

Discharge

92,63m³/s

Mean elev.

1 549m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Río Grande de Santiago838 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Lago de Chapala

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    18.19 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

193 distinct species · 1 909 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 909 obs · 1 cellules
Obs. / cellule
≥ 1 909
1 909–1 908
1 909–1 908
1 909–1 908
< 1 909

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

Ecological tissue

Sample of 33 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 Bassin de Río Grande de Santiago : 21 espèces reliées par 61 interactions GloBI sur 4 types (connectance 11.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
61
Connectance
0.116
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

20,1°C

Annual rain

869mm

Moisture idx (CMI)

-0,49

Runoff

83mm/an

PET

1 708mm

AET

734mm

Mean slope

2,4°

Water table

208cm

Forest

24%

Crops

54%

Urban

20%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)