HydroBASINS lev08 watershed · #7080871670
Bassin de Río Pixcaya
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 20 administrative regions : Antigua Guatemala, Chimaltenango, Comalapa, El Tejar, Granados +15
Sub-basin area
755,8km²
Upstream area
755,8km²
Discharge
21,78m³/s
Mean elev.
1 756m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
20 dept-equivalent regions (GADM L2)
- 207.3 km²27.5% of basin
- San Martín JilotepequeChimaltenango · Guatemala180.4 km²24.0% of basin
- 72.5 km²9.6% of basin
- 50.5 km²6.7% of basin
- ChimaltenangoChimaltenango · Guatemala39.4 km²5.2% of basin
- 31.2 km²4.1% of basin
- 28.0 km²3.7% of basin
- 27.9 km²3.7% of basin
12 moreFull L2 list
- Tecpán Guatemala24.9 km² · 3.3%
- El Tejar22.4 km² · 3.0%
- Patzicía21.0 km² · 2.8%
- Santa Cruz Balanyá20.4 km² · 2.7%
- San Raymundo9.3 km² · 1.2%
- San Pedro Sacatepéquez9.1 km² · 1.2%
- San Bartolomé Milpas Altas4.7 km² · 0.6%
- San Lucas Sacatepéquez1.7 km² · 0.2%
- San Andrés Itzapa1.4 km² · 0.2%
- Santa Apolonia1.0 km² · 0.1%
- Antigua Guatemala0.0 km² · 0.0%
- Granados0.0 km² · 0.0%
5 intersecting protected areas
Cordillera Alux
IUCN IIIWatershed Protection Reserve
6.85 km² overlap
San José El Yalú
IUCN VPrivate Natural Reserve
2.99 km² overlap
El Pacaño
IUCN VPrivate Natural Reserve
0.90 km² overlap
Regional Municipal Park
0.29 km² overlap
Los Laureles
IUCN VPrivate Natural Reserve
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 188 distinct species · 8 040 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Río Pixcaya : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,8°C
Annual rain
1 235mm
Moisture idx (CMI)
-0,11
Runoff
985mm/an
PET
1 395mm
AET
897mm
Mean slope
10,7°
Water table
318cm
Forest
39%
Crops
36%
Urban
32%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)