Rivière· 47 segments
Patuxent River
Crosses 5 administrative regions : Anne Arundel, Calvert, Howard, Montgomery, Prince George's
Total length
204km
Max discharge
26,5m³/s
Max Strahler
4
Segments matched
47
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- Prince George'sMaryland · United States49.8 kmin this dpt
- Anne ArundelMaryland · United States49.2 kmin this dpt
- HowardMaryland · United States26.1 kmin this dpt
- MontgomeryMaryland · United States25.5 kmin this dpt
- CalvertMaryland · United States3.7 kmin this dpt
30 intersecting protected areas
DNR
IUCN Not AssignedConservation Easement
Patuxent Research
IUCN IVRefuge
Duvall Road Nca
IUCN VLocal Conservation Area
Chesapeake Bay National Estuarine Research Reserve - Maryland National Estuarine Research Reserve
IUCN IVMarine Protected Area
Putuxent River
IUCN IIIPark
Patuxent River
IUCN IIIPark
T. Howard Duckett Watershed
IUCN IIIWatershed
Jug Bay Wetlands
IUCN IIISanctuary
Billingsley
IUCN VNatural Resource Management Area
21 more protected areassorted by area
Hall Creek
IUCN VNatural Resource Management Area
Maryland National Capital Park and Planning Commission
IUCN Not AssignedPark
Bowen
IUCN VWildlife Management Area
Full Mill Branch
IUCN VNatural Resource Management Area
Montgomery County
IUCN Not AssignedEasement
House Creek
IUCN VNatural Resource Management Area
Globe Comm Nrma
IUCN VLocal Conservation Area
Merkle
IUCN VNatural Resource Management Area
High Ridge
IUCN IIIPark
Patuxent River Watershed
IUCN IIIWatershed
Maryland Environmental Trust Easement #118
IUCN Not AssignedEasement
Pride Finance
IUCN VNatural Resource Management Area
Local Conservation Area
Glendening
IUCN IIIPreserve
Maryland Environmental Trust Easement #73
IUCN Not AssignedEasement
Bowie State University Bank
IUCN Not AssignedConservation Easement
Maryland Environmental Trust Easement #38
IUCN Not AssignedEasement
Westwoods of Cherry Grove
IUCN Not AssignedGrove
Maryland Environmental Trust Easement #7
IUCN Not AssignedEasement
Archer
IUCN IIIPark
Glendening Preserve - Dorr
IUCN IIIPreserve
1 page = 1 named river (aggregation of 47 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 122 distinct species · 16 024 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Patuxent River : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 8.6%, filtre Serrano α=0.2). 14 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
204km
Max discharge
26,5m³/s
Max Strahler
4
Segments matched
47
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.