Rivière· 24 segments
Río Valle Nacional
Crosses 4 administrative regions : San José Chiltepec, San Juan Bautista Tuxtepec, San Juan Bautista Valle Nacional, Santa María Jacatepec
Total length
39km
Max discharge
60m³/s
Max Strahler
5
Segments matched
24
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- Santa María JacatepecOaxaca · México39.3 kmin this dpt
- San José ChiltepecOaxaca · México15.0 kmin this dpt
- San Juan Bautista TuxtepecOaxaca · México4.5 kmin this dpt
- San Juan Bautista Valle NacionalOaxaca · México3.2 kmin this dpt
4 intersecting protected areas
Voluntary Conservation Area
Voluntary Conservation Area
Voluntary Conservation Area
Voluntary Conservation Area
1 page = 1 named river (aggregation of 24 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
659 distinct species · 5 017 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Río Valle Nacional : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 9 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
39km
Max discharge
60,0m³/s
Max Strahler
5
Segments matched
24
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.