Local Conservation Area · usa
Duvall Road Nca
- Area
- 29 km²
- IUCN cat.
- V
- Year
- 2011
Overview
- Designation
- Local Conservation Area
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2011
- Managing authority
- Non-Governmental Organization
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 424 distinct species · 64 800 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 Duvall Road Nca : 34 espèces reliées par 88 interactions GloBI sur 4 types (connectance 9.3%, 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).
Hydrology4 basins · 0 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
4,6km
Basins crossed
4
Max stream order
6
Max drainage
30 317km²
Discharge in basins
2,6m³/s
Mean precip.
1 038mm/an
Mean T°
12,2°C
Moisture idx
-0,08
Max snow
6%
Mean runoff
462mm/an
Mean elev. (basins)
122m
Watersheds crossing here
Rivers / streams (20, ord ≥ 4)
- Potomac Riverord 6len here0.63 km0%total323 km
- Tenmile Creekord 1len here0.54 km11%total5 km
- Bucklodge Branchord 1len here0.49 km8%total6 km
- Watts Branchord 1len here0.49 km5%total10 km
- Little Monocacy Riverord 1len here0.48 km4%total11 km
- Bennett Creekord 4len here0.46 km2%total26 km
- Booze Creekord 1len here0.45 km19%total2 km
- Reddy Branchord 1len here0.24 km8%total3 km
- Great Seneca Creekord 2len here0.18 km1%total29 km
- Wildcat Branchord 1len here0.15 km5%total3 km
- Patuxent Riverord 4len here0.12 km0%total173 km
- Hawlings Riverord 2len here0.11 km1%total11 km
8 more river segmentssorted by Strahler order + length
- Rock Creek, North Branchord 1len here0.11 km6%total2 km
- Old Farm Creekord 2len here0.05 km1%total7 km
- Northwest Branchord 2len here0.05 km1%total9 km
- Turkey Branchord 1len here0.01 km0%total2 km
- North Branch Rock Creekord 2len here≈ tangenttotal6 km
- Goshen Branchord 2len here≈ tangenttotal5 km
- Russell Branchord 2len here≈ tangenttotal7 km
- Northwest Branch Anacostia Riverord 2len here≈ tangenttotal20 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 39.17957, -77.49882
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.