Ruisseau
Rio Preguiças
Crosses 1 administrative regions : Barreirinhas
Total length
154km
Max discharge
2,2m³/s
Max Strahler
3
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- BarreirinhasMaranhão · Brazil6.7 kmin this dpt
4 intersecting protected areas
Wetland of International Importance (Ramsar Site)
Área De Proteção Ambiental Da Foz Do Rio Das Preguiças - Pequenos Lençóis - Região Lagunar Adjacente
IUCN VEnvironmental Protection Area
Lençóis Maranhenses National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Park
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
163 distinct species · 312 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Rio Preguiças : 22 espèces reliées par 38 interactions GloBI sur 2 types (connectance 7.7%, filtre Serrano α=0.2). 10 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
154km
Max discharge
2,2m³/s
Max Strahler
3
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.