HydroBASINS lev08 watershed · #7080042190
Bassin de Rockyhock Creek
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions : Chowan, Gates, Perquimans
Sub-basin area
595,9km²
Upstream area
595,9km²
Discharge
4,09m³/s
Mean elev.
10m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 401.3 km²67.3% of basin
- 159.6 km²26.8% of basin
- 3.7 km²0.6% of basin
2 intersecting protected areas
Forest
0.32 km² overlap
UT Pembroke Creek
IUCN Not AssignedConservation Easement
0.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 248 distinct species · 44 852 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Bassin de Rockyhock Creek : 26 espèces reliées par 67 interactions GloBI sur 4 types (connectance 10.6%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
15,5°C
Annual rain
1 235mm
Moisture idx (CMI)
0,01
Runoff
456mm/an
PET
1 222mm
AET
987mm
Mean slope
0,7°
Water table
20cm
Forest
61%
Crops
32%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)