Rivière· 85 segments
Santa Cruz River
Crosses 4 administrative regions : Nogales, Pima, Pinal, Santa Cruz
Total length
274km
Max discharge
4,4m³/s
Max Strahler
5
Segments matched
85
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- PimaArizona · United States204.2 kmin this dpt
- Santa CruzArizona · United States143.3 kmin this dpt
- PinalArizona · United States9.3 kmin this dpt
- NogalesSonora · México0.0 kmin this dpt
20 intersecting protected areas
Ironwood Forest
IUCN VNational Monument
State Trust Land
IUCN VIState Trust Lands
Mt. Wrightson
IUCN IbWilderness
Tucson Mountain
IUCN VPark
San Rafael Ranch
IUCN IIINatural Area
Tumacacori
IUCN IIINational Historical Park
Drainageway
IUCN VLocal Conservation Area
Painted Hills - P&F
IUCN VEnvironmental System
Local Conservation Area
11 more protected areassorted by area
Local Conservation Area
Avra Valley I-10
IUCN VWildlife Corridor
Local Conservation Area
Open Space (Rp533)
IUCN VLocal Conservation Area
Local Conservation Area
Open Space (Rp535)
IUCN VLocal Conservation Area
Local Conservation Area
Mission
IUCN VGardens
Local Conservation Area
West Branch Santa Cruz
IUCN VLocal Conservation Area
Local Conservation Area
1 page = 1 named river (aggregation of 85 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 225 distinct species · 286 995 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Santa Cruz River : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
274km
Max discharge
4,4m³/s
Max Strahler
5
Segments matched
85
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.