Ruisseau· 11 segments

Little Patuxent River

Crosses 2 administrative regions : Anne Arundel, Howard

ruisseau

Total length

63km

Max discharge

6,4m³/s

Max Strahler

Segments matched

River geography2 admin regions · 0 communes

Parent watershed

hybas-70800412201675 km²

2 administrative regions crossed (GADM L2)

Howard
Maryland · United States
25.5 km
in this dpt
Anne Arundel
Maryland · United States
7.5 km
in this dpt

24 intersecting protected areas

Patuxent Research
IUCN IV
Refuge
Putuxent River
IUCN III
Park
Oxbow
IUCN III
Natural Area
Gorman Area
IUCN III
Local Park
Savage
IUCN III
Park
Patuxent Oxbow
IUCN V
Heritage Conservation
David Force
IUCN Not Assigned
Park
Howard County, MD easem
IUCN Not Assigned
Conservation Easement
Property of the Board of Education of Howard Count
IUCN Not Assigned
Conservation Easement

15 more protected areassorted by area

Villages at Turf Valley
IUCN Not Assigned
Conservation Easement
Lutheran Village at Miller's Grant
IUCN Not Assigned
Conservation Easement
Gray Rock
IUCN Not Assigned
Conservation Easement
Boones Lane
IUCN Not Assigned
Conservation Easement
Hammond Overlook
IUCN Not Assigned
Conservation Easement
Centennial
IUCN Not Assigned
Park
Cradlerock Farm
IUCN Not Assigned
Conservation Easement
Riverwalk
IUCN Not Assigned
Conservation Easement
Orchard
IUCN Not Assigned
Park
Enchanted Forest Estates
IUCN Not Assigned
Forest
Gray Rock Farm
IUCN Not Assigned
Conservation Easement
Garber Property
IUCN Not Assigned
Conservation Easement
East Columbia
IUCN Not Assigned
Conservation Easement
Atholton Swim
IUCN Not Assigned
Club
Bluffs at Pine Orchard
IUCN Not Assigned
Conservation Easement

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 247 distinct species · 271 400 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Little Patuxent River : 26 espèces reliées par 80 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.114

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)