Wetland of International Importance (Ramsar Site) · usa
Chesapeake Bay Estuarine Complex
- Area
- 1 749 km²
- IUCN cat.
- Not Reported
- Year
- 1987
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 1987
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 689 distinct species · 233 497 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Chesapeake Bay Estuarine Complex : 24 espèces reliées par 94 interactions GloBI sur 3 types (connectance 14.9%, 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).
Hydrology15 basins · 22 lakes · 36 rivers
Hydrology metrics for this exact territory
Stream length here
243,7km
Lake surface here
9,33km²
Basins crossed
15
Max stream order
5
Max drainage
4 036km²
Discharge in basins
11,4m³/s
Mean precip.
1 078mm/an
Mean T°
13,8°C
Moisture idx
-0,04
Max snow
4%
Mean runoff
461mm/an
Mean elev. (basins)
21m
Watersheds crossing here
- Bassin de Machipongo Riversub-area4 036,2 km²overlap560.95 km²32%
- Bassin de Western Branch Corrotoman Riversub-area2 130,8 km²overlap190.16 km²11%
- Bassin de Chickahominy Riversub-area2 465,6 km²overlap166.22 km²10%
- Bassin de Mattaponi Riversub-area2 337,5 km²overlap142.14 km²8%
- Bassin de Pamunkey Riversub-area1 043,5 km²overlap141.76 km²8%
- Bassin de Transquaking Riversub-area332,8 km²overlap30.38 km²2%
- Bassin de Blackwater Riversub-area312,4 km²overlap28.54 km²2%
- Bassin de Pokata Creeksub-area114,9 km²overlap25.40 km²1%
- Bassin de Marshyhope Creeksub-area1 836,6 km²overlap25.15 km²1%
6 more basinssorted by overlap
- Bassin de Manokin Riversub-area695,3 km²overlap22.09 km²1%
- Bassin de Hoskins Creeksub-area327,3 km²overlap12.51 km²1%
- Bassin de Peedee Creeksub-area90,8 km²overlap10.75 km²1%
- Bassin de Totuskey Creeksub-area174 km²overlap7.59 km²0%
- Bassin de Powells Creeksub-area361,3 km²overlap3.06 km²0%
- Bassin de Jugs Creeksub-area52,2 km²overlap1.39 km²0%
Lakes (22, top by area)
- Cattail Pondarea21 km²avg depth1.0 m
- Diascund Reservoirarea3,5 km²avg depth10.3 m
- Little Savanna Lakearea2 km²avg depth0.5 m
- Nayses Bayarea1,9 km²avg depth2.7 m
- Island Pondarea1,1 km²avg depth0.7 m
- Lac 1058897area1 km²avg depth1.3 m
- Lac 1058888area0,9 km²avg depth2.0 m
- Lac 1057822area0,6 km²avg depth1.6 m
- Lac 1057784area0,6 km²avg depth1.7 m
13 more lakes
- Lac 1058706area0,4 km²avg depth1.4 m
- Lac 1058776area0,3 km²avg depth1.7 m
- Lac 1057840area0,3 km²avg depth1.0 m
- Lac 1058809area0,3 km²avg depth1.9 m
- Lac 1057754area0,3 km²avg depth2.1 m
- Lac 1058788area0,2 km²avg depth1.5 m
- Lac 1057782area0,2 km²avg depth1.7 m
- Lac 1059094area0,2 km²avg depth3.5 m
- Lac 1057788area0,1 km²avg depth1.5 m
- Lac 1059249area0,1 km²avg depth0.5 m
- Lac 1058803area0,1 km²avg depth3.1 m
- Lac 1058804area0,1 km²avg depth2.7 m
- Lac 1059270area0,1 km²avg depth0.8 m
Rivers / streams (36, ord ≥ 4)
- Mattaponi Riverord 5len here35.42 km27%total130 km
- Chickahominy Riverord 4len here35.26 km24%total146 km
- Pamunkey Riverord 4len here35.10 km32%total111 km
- Machipongo Riverord 2len here30.53 km87%total35 km
- Cumberland Thorofareord 4len here14.70 km100%total15 km
- Shipyard Creekord 4len here9.79 km88%total11 km
- Blackwater Riverord 3len here8.67 km18%total48 km
- Clayborne Creekord 4len here6.44 km100%total6 km
- Marshyhope Creekord 3len here5.75 km8%total71 km
- Powhatan Creekord 2len here5.14 km46%total11 km
- Market Swampord 2len here4.47 km46%total10 km
- Mill Creekord 1len here4.45 km100%total4 km
24 more river segmentssorted by Strahler order + length
- Nanticoke Riverord 4len here4.37 km6%total71 km
- Folly Creekord 2len here4.29 km46%total9 km
- Accokeek Creekord 1len here4.02 km22%total18 km
- Western Branch Corrotoman Riverord 2len here3.81 km18%total21 km
- Molly Horn Branchord 4len here3.68 km100%total4 km
- Goose Creekord 5len here2.86 km26%total11 km
- Totuskey Creekord 3len here2.81 km14%total20 km
- Upper Machodoc Creekord 1len here2.51 km37%total7 km
- White House Creekord 1len here2.48 km85%total3 km
- Walkerton Branchord 1len here2.17 km58%total4 km
- Pokata Creekord 1len here2.17 km64%total3 km
- Mantapike Creekord 1len here2.13 km71%total3 km
- Cohoke Mill Creekord 1len here1.73 km16%total11 km
- Jacks Creekord 2len here1.69 km10%total18 km
- Chicamacomico Riverord 2len here1.52 km5%total29 km
- Panguash Creekord 4len here1.37 km21%total7 km
- Mitchell Hill Creekord 1len here1.28 km55%total2 km
- Occupacia Creekord 1len here1.12 km26%total4 km
- Machipongo Riverord 1len here0.89 km100%total1 km
- North Fork Richardson Creekord 1len here0.59 km30%total2 km
- Parker Creekord 2len here0.28 km15%total2 km
- Gales Creekord 4len here0.14 km24%total1 km
- Dennis Creekord 1len here0.12 km4%total3 km
- Puckum Branchord 3len here≈ tangenttotal7 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
- 37.40973, -75.78156
- 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.