Rivière· 74 segments
Lalana
Crosses 8 administrative regions : Playa Vicente, San Juan Comaltepec, San Juan Lalana, Santiago Choápam, Santiago Sochiapan +3
Total length
125km
Max discharge
77,4m³/s
Max Strahler
4
Segments matched
74
River geography8 admin regions · 0 communes
8 administrative regions crossed (GADM L2)
- San Juan LalanaOaxaca · México80.2 kmin this dpt
- Santiago ChoápamOaxaca · México48.6 kmin this dpt
- Santiago SochiapanVeracruz · México30.9 kmin this dpt
- Totontepec Villa de MorelosOaxaca · México12.8 kmin this dpt
- San Juan ComaltepecOaxaca · México8.4 kmin this dpt
- Santiago YaveoOaxaca · México4.6 kmin this dpt
- Santiago ZacatepecOaxaca · México2.7 kmin this dpt
- Playa VicenteVeracruz · México0.0 kmin this dpt
1 page = 1 named river (aggregation of 74 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
141 distinct species · 208 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Lalana : 31 espèces reliées par 47 interactions GloBI sur 5 types (connectance 6.7%, filtre Serrano α=0.2). 7 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
125km
Max discharge
77,4m³/s
Max Strahler
4
Segments matched
74
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.