Ontologia

HydroBASINS lev08 watershed · #7080788820

Bassin de Arroyo San Ignacio

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 1 administrative regions : Mulegé

Pfafstetter: 77411805

Sub-basin area

888,9km²

Upstream area

2 110,2km²

Discharge

0m³/s

Mean elev.

292m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Arroyo San Ignacio1 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

818 distinct species · 21 454 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 454 obs · 22 cellules
Obs. / cellule
≥ 17 019
800–17 018
38–799
23–37
< 23

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

Ecological tissue

Sample of 42 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 Arroyo San Ignacio : 32 espèces reliées par 83 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
83
Connectance
0.084
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°

20,7°C

Annual rain

111mm

Moisture idx (CMI)

-0,94

Runoff

13mm/an

PET

1 799mm

AET

91mm

Mean slope

5,7°

Water table

758cm

Forest

3%

Crops

0%

Urban

0%

Protected

66%

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