Rivière· 64 segments
Pecan Bayou
Crosses 5 administrative regions : Brown, Callahan, Coleman, Mills, San Saba
Total length
195km
Max discharge
7,2m³/s
Max Strahler
5
Segments matched
64
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
1 intersecting protected areas
Reserve Program
1 page = 1 named river (aggregation of 64 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
966 distinct species · 12 045 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Pecan Bayou : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 4 types (connectance 8.7%, 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).
Hydrology (HydroRIVERS v10)
Total length
195km
Max discharge
7,2m³/s
Max Strahler
5
Segments matched
64
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.