Easement · usa
The Nature Conservancy
- Area
- 213 km²
- IUCN cat.
- V
- Year
- 1985
Overview
- Designation
- Easement
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1985
- Managing authority
- State Department of Conservation ; U.S. Fish and Wildlife Service ; State Department of Land ; Non-Governmental Organization
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
264 distinct species · 3 403 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 The Nature Conservancy : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 4 types (connectance 11.6%, 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).
Hydrology32 basins · 6 lakes · 34 rivers
Hydrology metrics for this exact territory
Stream length here
52,7km
Lake surface here
0,04km²
Basins crossed
32
Max stream order
5
Max drainage
30 317km²
Discharge in basins
3,2m³/s
Mean precip.
1 089mm/an
Mean T°
13,2°C
Moisture idx
-0,04
Max snow
10%
Mean runoff
450mm/an
Mean elev. (basins)
169m
Watersheds crossing here
- Bassin de Machipongo Riversub-area4 036,2 km²overlap50.49 km²24%
- Bassin de Dragon Runsub-area438,3 km²overlap46.20 km²22%
- Bassin de Roanoke Riversub-area1 880,3 km²overlap16.44 km²8%
- Bassin de Rivanna Riversub-area1 995,5 km²overlap16.09 km²8%
- Bassin de Mattaponi Riversub-area2 337,5 km²overlap12.19 km²6%
- Bassin de Cowpasture Riversub-area1 211,5 km²overlap11.94 km²6%
- Bassin de Rappahannock Riversub-area657,5 km²overlap7.50 km²4%
- Bassin de Nansemond Riversub-area2 486,8 km²overlap7.22 km²3%
- Bassin de North Fork South Branch Potomac Riversub-area837,4 km²overlap5.49 km²3%
23 more basinssorted by overlap
- Bassin de Hoskins Creeksub-area327,3 km²overlap4.99 km²2%
- Bassin de Rappahannock Riversub-area2 237,3 km²overlap4.74 km²2%
- Bassin de James Riversub-area2 341,9 km²overlap4.11 km²2%
- Bassin de Northwest Riversub-area1 031,5 km²overlap4.04 km²2%
- Bassin de Chickahominy Riversub-area2 465,6 km²overlap4.01 km²2%
- Bassin de Nottoway Riversub-area2 302,5 km²overlap3.34 km²2%
- Bassin de Jackson Riversub-area2 374,3 km²overlap3.34 km²2%
- Bassin de Western Branch Corrotoman Riversub-area2 130,8 km²overlap2.58 km²1%
- Bassin de Clinch Riversub-area2 564,1 km²overlap2.09 km²1%
- Bassin de Blackwater Riversub-area2 173,9 km²overlap1.67 km²1%
- Bassin de North Fork Holston Riversub-area1 869 km²overlap1.28 km²1%
- Bassin de Rapidan Riversub-area630,7 km²overlap0.81 km²0%
- Bassin de Greenbrier Riversub-area1 061,6 km²overlap0.67 km²0%
- Bassin de Goose Creeksub-area2 595,4 km²overlap0.61 km²0%
- Bassin de Pamunkey Riversub-area1 043,5 km²overlap0.30 km²0%
- Bassin de South Fork Holston Riversub-area834,1 km²overlap0.23 km²0%
- Bassin de James Riversub-area1 429,2 km²overlap0.21 km²0%
- Bassin de North Riversub-area344,6 km²overlap0.15 km²0%
- Bassin de Goose Creeksub-area1 006,2 km²overlap0.13 km²0%
- Bassin de New Riversub-area665,4 km²overlap0.08 km²0%
- Bassin de Rappahannock Riversub-area236,6 km²overlap0.06 km²0%
- Bassin de South Branch Lagrange Creeksub-area330,6 km²overlap0.01 km²0%
- Bassin de Little Riversub-area1 542,8 km²overlap0.01 km²0%
Lakes (6, top by area)
Rivers / streams (34, ord ≥ 4)
- Cowpasture Riverord 3len here7.77 km6%total129 km
- Exol Swampord 3len here6.57 km33%total20 km
- Dragon Runord 3len here5.06 km8%total64 km
- Stuart Runord 2len here2.71 km13%total20 km
- Feeder Ditchord 3len here2.41 km24%total10 km
- Gargathy Creekord 2len here2.37 km22%total11 km
- Clinch Riverord 6len here2.20 km0%total564 km
- Chickahominy Riverord 4len here1.89 km1%total146 km
- Mullenax Runord 1len here1.84 km17%total11 km
- Nottoway Riverord 4len here1.80 km1%total230 km
- North Fork Holston Riverord 4len here1.74 km1%total237 km
- James Riverord 5len here1.72 km0%total485 km
22 more river segmentssorted by Strahler order + length
- Machipongo Riverord 2len here1.67 km5%total35 km
- Blackwater Riverord 4len here1.58 km1%total110 km
- Carter Runord 2len here1.36 km5%total29 km
- Portobago Creekord 1len here1.21 km10%total12 km
- MeChunk Creekord 3len here1.03 km3%total30 km
- Goose Creekord 6len here1.02 km1%total93 km
- Horner Runord 1len here0.99 km28%total4 km
- Lick Forkord 1len here0.91 km5%total18 km
- Rivanna Riverord 5len here0.87 km1%total59 km
- Folly Creekord 2len here0.71 km8%total9 km
- Rockfish Riverord 5len here0.61 km1%total70 km
- Mattaponi Riverord 5len here0.61 km0%total130 km
- Moormans Riverord 3len here0.54 km2%total23 km
- South Fork Rivanna Riverord 4len here0.52 km3%total19 km
- Little Ivy Creekord 1len here0.36 km2%total16 km
- North Fork Rivanna Riverord 3len here0.24 km1%total22 km
- Machipongo Riverord 1len here0.21 km24%total1 km
- Lick Runord 1len here0.11 km2%total6 km
- England Runord 5len here≈ tangenttotal8 km
- Rappahannock Riverord 5len here≈ tangenttotal192 km
- Mantapike Creekord 1len here≈ tangenttotal3 km
- Powells Creekord 1len here≈ tangenttotal3 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
- 37.15046, -80.18495
- 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.