Rivière· 37 segments
San Marcos
Crosses 11 administrative regions : Acaxochitlán, Coyutla, Honey, Huauchinango, Jalpan +6
Total length
160km
Max discharge
36,2m³/s
Max Strahler
4
Segments matched
37
River geography11 admin regions · 0 communes
11 administrative regions crossed (GADM L2)
- PahuatlánPuebla · México24.4 kmin this dpt
- XicotepecPuebla · México23.1 kmin this dpt
- TlacuilotepecPuebla · México19.6 kmin this dpt
- HoneyPuebla · México15.9 kmin this dpt
- NaupanPuebla · México13.9 kmin this dpt
- JalpanPuebla · México10.6 kmin this dpt
- Venustiano CarranzaPuebla · México7.6 kmin this dpt
- Tenango de DoriaHidalgo · México6.5 kmin this dpt
- HuauchinangoPuebla · México5.8 kmin this dpt
- CoyutlaVeracruz · México4.2 kmin this dpt
- AcaxochitlánHidalgo · México0.0 kmin this dpt
1 intersecting protected areas
Natural Resources Protection Area
1 page = 1 named river (aggregation of 37 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
142 distinct species · 228 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 San Marcos : 35 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 3 types (connectance 4.8%, filtre Serrano α=0.2). 6 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
160km
Max discharge
36,2m³/s
Max Strahler
4
Segments matched
37
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.