Great Bay National Estuarine Research Reserve
IUCN IVMarine Protected Area · 1989
41 km²
County · USA
Strafford
United States
DfbCold, no dry season, warm summer(70 %)
Species observed
4 915
Observations
925 869
Area
982,8km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Strafford : 23 espèces reliées par 75 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
75
Connectance
0.119
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 915 distinct species · 925 869 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,5°C
Annual rain
1 309mm
Warmest m°
26,4°C
Coldest m°
-9,8°C
Elevation: 132 m on average (min -3 m, max 422 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,5°C
Annual rain
1 309mm
Warmest month
26,4°C
Coldest month
-9,8°C
Mean alt.
132m
Min
-3m
Max
422m
Std. dev.
86m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(70 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,9
Org. C
76,9g/kg
Clay
13,5%
Sand
51,6%
Silt
34,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,7
Org. C
168,1g/kg
Clay
13,5%
Sand
51,4%
Silt
35,0%
5–15 cm
pH H₂O
4,9
Org. C
44,3g/kg
Clay
13,5%
Sand
51,5%
Silt
35,0%
15–30 cm
pH H₂O
5,1
Org. C
18,2g/kg
Clay
13,4%
Sand
51,9%
Silt
34,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest72.8%
Crops2.9%
Built-up1.1%
Bare soil0.3%
Other (grassland, water…)22.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 28 lakes · 37 rivers
Hydrology metrics for this exact territory
Stream length here
286,4km
Lake surface here
20,24km²
Basins crossed
3
Max stream order
5
Max drainage
2 555km²
Discharge in basins
23,3m³/s
Mean precip.
1 133mm/an
Mean T°
7,6°C
Moisture idx
0,15
Max snow
29%
Mean runoff
797mm/an
Mean elev. (basins)
121m
Watersheds crossing here
Lakes (28, top by area)
- Merrymeeting Lakearea4,7 km²avg depth5.7 m
- Bow Lakearea4,3 km²avg depth6.4 m
- Milton Three Pondsarea4,3 km²avg depth4.3 m
- Swains Lakearea1,4 km²avg depth6.0 m
- Baxter Lakearea1 km²avg depth4.9 m
- Lac 1048429area0,9 km²avg depth4.9 m
- Lac 1049032area0,8 km²avg depth4.6 m
- Lac 1049062area0,8 km²avg depth6.2 m
- Lac 1048875area0,7 km²avg depth5.4 m
19 more lakes
- Lac 1049134area0,4 km²avg depth4.6 m
- Lac 1048814area0,4 km²avg depth6.2 m
- Lac 1048832area0,4 km²avg depth5.5 m
- Lac 1048599area0,3 km²avg depth4.5 m
- Lac 1048402area0,3 km²avg depth4.4 m
- Lac 1048930area0,3 km²avg depth5.6 m
- Lac 1048868area0,2 km²avg depth2.8 m
- Lac 1048989area0,2 km²avg depth4.3 m
- Lac 1048265area0,2 km²avg depth5.8 m
- Lac 1048925area0,2 km²avg depth3.3 m
- Lac 1048392area0,2 km²avg depth4.1 m
- Lac 1048296area0,2 km²avg depth4.9 m
- Lac 1048403area0,2 km²avg depth4.9 m
- Lac 1048802area0,2 km²avg depth4.9 m
- Lac 1048922area0,2 km²avg depth4.4 m
- Lac 1048787area0,2 km²avg depth4.6 m
- Lac 1048838area0,1 km²avg depth3.7 m
- Lac 1048478area0,1 km²avg depth3.5 m
- Lac 1048461area0,1 km²avg depth3.4 m
Rivers / streams (37, ord ≥ 4)
- Cocheco Riverord 4len here42.84 km99%total43 km
- Isinglass Riverord 3len here38.04 km100%total38 km
- Bellamy Riverord 2len here26.56 km91%total29 km
- Salmon Falls Riverord 4len here22.03 km39%total56 km
- Lamprey Riverord 4len here16.08 km21%total75 km
- Berrys Riverord 1len here15.31 km100%total15 km
- Oyster Riverord 2len here13.28 km80%total17 km
- Jones Brookord 2len here12.97 km91%total14 km
- Merrymeeting Riverord 3len here12.81 km52%total24 km
- Mad Riverord 2len here9.38 km100%total9 km
- Axe Handle Brookord 2len here8.87 km100%total9 km
- Big Riverord 2len here8.02 km56%total14 km
25 more river segmentssorted by Strahler order + length
- Branch Riverord 3len here5.31 km32%total17 km
- Moose Brookord 1len here5.08 km100%total5 km
- Mallego Brookord 1len here5.01 km100%total5 km
- Beards Creekord 1len here4.60 km100%total5 km
- Dames Brookord 1len here4.55 km100%total5 km
- Great Brookord 2len here4.54 km20%total22 km
- Ela Riverord 2len here4.27 km100%total4 km
- Nippo Brookord 2len here4.12 km100%total4 km
- Fresh Creekord 1len here3.74 km94%total4 km
- North Riverord 3len here3.56 km14%total25 km
- Little Riverord 3len here3.48 km8%total44 km
- Beaver Brookord 4len here3.03 km3%total90 km
- Ela Riverord 1len here2.29 km100%total2 km
- Tates Brookord 1len here1.53 km96%total2 km
- Little Riverord 2len here1.26 km7%total19 km
- Johnson Creekord 1len here1.16 km100%total1 km
- Cochecho Riverord 4len here0.81 km54%total1 km
- The Moatord 1len here0.51 km100%total1 km
- Pokamoonshine Brookord 1len here0.51 km99%total1 km
- Crommet Creekord 1len here0.34 km19%total2 km
- Great Works Riverord 4len here0.29 km1%total33 km
- Piscataqua Riverord 5len here0.12 km2%total8 km
- Heatb Brookord 1len here0.08 km1%total6 km
- Quamphegan Brookord 4len here0.03 km3%total1 km
- Perry Brookord 3len here≈ tangenttotal11 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,6nW
Built-up
111,0%
Pesticides
3,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas84
IUCN V · 74IUCN Not Assigned · 6IUCN III · 3IUCN IV · 1
Wetlands Reserve Program (WRP), Strafford, NH
IUCN VReserve Program · 2008
11 km²
Wetlands Reserve Program (WRP), Rockingham, NH
IUCN VReserve Program · 2011
7 km²
Crommet & Lubberland Creek
IUCN VState Conservation Area · 1996
3 km²
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Strafford, NH
IUCN VConservation Easement · 2003
2 km²
Crommet & Lubberland Creek
IUCN VConservation Easement · 1988
2 km²
Complete list84 protected areas
- Great Bay National Estuarine Research ReserveMarine Protected AreaIUCN IV198941 km²
- Wetlands Reserve Program (WRP), Strafford, NHReserve ProgramIUCN V200811 km²
- Wetlands Reserve Program (WRP), Rockingham, NHReserve ProgramIUCN V20117 km²
- Crommet & Lubberland CreekState Conservation AreaIUCN V19963 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Strafford, NHConservation EasementIUCN V20032 km²
- Crommet & Lubberland CreekConservation EasementIUCN V19882 km²
- UNew Hampshire - College WoodsCollegeIUCN III2 km²
- Beaver BrookConservation EasementIUCN V19991 km²
- Isinglass River 1Environmental SystemIUCN V20081 km²
- Isinglass River Conservation Reserve IReserveIUCN V20081 km²
- Great Bay MegasiteState Conservation AreaIUCN V19991 km²
- Lamprey RiverPreserveIUCN V20011 km²
- Lubberland CreekPreserveIUCN V19991 km²
- Thompson Family Revocable Trust of 2013Conservation EasementIUCN V20141 km²
- LaRoche and Woodman BrookState Conservation AreaIUCN V20061 km²
- Tuttle and Ash SwampState Conservation AreaIUCN V20011 km²
- Mount Teneriffe - Unh PropertyPrivate Conservation LandIUCN V19951 km²
- Cooper Cedar WoodsPCLIUCN V19681 km²
- GrumblingEasementIUCN Not Assigned20061 km²
- Lower Cocheco RiverState Conservation AreaIUCN V1 km²
- Pearson TractConservation EasementIUCN V20000 km²
- Mack MountainConservation EasementIUCN V19960 km²
- Tuckahoe TurfPCLIUCN V20040 km²
- VerretteEasementIUCN V20060 km²
- Merrill's LotLocal Conservation AreaIUCN V19980 km²
- Durham Point Sedge MeadowPreserveIUCN V19940 km²
- Whittum Family Revocable TrustConservation EasementIUCN V20120 km²
- Samuel A Tamposi Water SupplyReserveIUCN V20010 km²
- Merrymeeting MarshWildlife Management AreaIUCN V20110 km²
- Crommet & Lubberland CreeksPrivate Conservation LandIUCN V20130 km²
- Salmon Falls - Keay BrookEnvironmental SystemIUCN V20150 km²
- UNew Hampshire - MacDonald LotResearch or Educational AreaIUCN III0 km²
- Isinglass River Conservation Reserve IIReserveIUCN V20080 km²
- Grassland Reserve Program (GRP), Strafford, NHReserve ProgramIUCN V20060 km²
- Isinglass River 2Environmental SystemIUCN V20080 km²
- Low LotLocal Other or UnknownIUCN Not Assigned20090 km²
- Crommet & Lubberland CreekPrivate Conservation LandIUCN V19890 km²
- BlickleEasementIUCN V0 km²
- Popov WoodlotConservation EasementIUCN V20080 km²
- Mad RiverConservation EasementIUCN V20010 km²
- Follets BrookPrivate ConservationIUCN V20080 km²
- Lubberland CreekPreserveIUCN V19970 km²
- Lang Maid FarmLocal Conservation AreaIUCN V0 km²
- Swan DriveOpen SpaceIUCN V0 km²
- Spruce HoleConservation AreaIUCN V0 km²
- Bear-Paw Regional GreenwaysGreenwayIUCN V20150 km²
- CapstoneEasementIUCN V20120 km²
- Rochester Reservoir ParcelReservoirIUCN V19960 km²
- Riverside FarmConservation EasementIUCN V19870 km²
- Municipal LotLocal Conservation AreaIUCN V0 km²
- BellamyParkIUCN V0 km²
- Bellamy RiverWildlife SanctuaryIUCN V19700 km²
- PalmerConservation EasementIUCN V20110 km²
- Bellamy RiverWildlife Management AreaIUCN V20040 km²
- Palmer TractState Conservation AreaIUCN V20030 km²
- The Dorothy S. Wold WoodsConservation EasementIUCN V20140 km²
- TalleyConservation EasementIUCN V20100 km²
- Lamprey LaneOpen SpaceIUCN V0 km²
- Meeker Revocable TrustsConservation EasementIUCN Not Assigned20140 km²
- AldagConservation EasementIUCN V20090 km²
+ 24 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN