Ruisseau
Boulder and Left Hand Ditch
Crosses 1 administrative regions : Boulder
Total length
21km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- BoulderColorado · United States9.2 kmin this dpt
30 intersecting protected areas
Erni
IUCN VLocal Conservation Area
Parsons Dr
IUCN Not AssignedPrivate Conservation
Moore, Mary I
IUCN VLocal Conservation Area
Schneider - Atwood
IUCN VLocal Conservation Area
Eisenberg
IUCN VLocal Conservation Area
Bc Hospital
IUCN Not AssignedConservation Easement
Pinebrook Water District
IUCN VWater District
Proper
IUCN VLocal Conservation Area
Wenner
IUCN Not AssignedConservation Easement
21 more protected areassorted by area
Dakota Ridge Village
IUCN VLocal Conservation Area
Mann - East
IUCN VLocal Conservation Area
Signorella
IUCN Not AssignedConservation Easement
Palo Park Trail West
IUCN VTrail
Palo Park Trail East
IUCN VTrail
Local Conservation Area
Arnold, William
IUCN VLocal Conservation Area
Riverside Grove Outlot A
IUCN VGrove
Arnold, Sandy
IUCN VLocal Conservation Area
Moore, Mary II - South
IUCN VLocal Conservation Area
Noble
IUCN Not AssignedPark
Sisk
IUCN VPrivate Conservation
Moore, Mary II - North
IUCN VLocal Conservation Area
Plum Creek
IUCN Not AssignedPrivate Conservation
Parkside
IUCN Not AssignedPrivate Conservation
Montessori / Landmark
IUCN VPrivate Conservation
Conservation Easement
Park
Northcreek
IUCN VPrivate Conservation
Postle
IUCN Not AssignedPrivate Conservation
Private Conservation
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
4 467 distinct species · 289 119 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).
Indicateurs du tissu écologique
Tissu écologique de Boulder and Left Hand Ditch : 25 espèces reliées par 92 interactions GloBI sur 5 types (connectance 13.8%, filtre Serrano α=0.2). 12 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
21km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.