Rivière· 46 segments
Rio Preguiças
Crosses 4 administrative regions : Barreirinhas, Paulino Neves, Santa Quitéria do Maranhão, Urbano Santos
Total length
154km
Max discharge
108m³/s
Max Strahler
5
Segments matched
46
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- BarreirinhasMaranhão · Brazil147.6 kmin this dpt
- Urbano SantosMaranhão · Brazil3.8 kmin this dpt
- Paulino NevesMaranhão · Brazil0.0 kmin this dpt
- Santa Quitéria do MaranhãoMaranhão · Brazil0.0 kmin this dpt
7 intersecting protected areas
Wetland of International Importance (Ramsar Site)
Environmental Protection Area
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
Natural Heritage Private Reserve
Natural Monument
1 page = 1 named river (aggregation of 46 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
11 distinct species · 13 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
154km
Max discharge
108,0m³/s
Max Strahler
5
Segments matched
46
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.