Petit Manan
IUCN IVNational Wildlife Refuge
31 km²
County · USA
Waldo
United States
DfbCold, no dry season, warm summer(100 %)
Species observed
2 863
Observations
529 667
Area
1 952,5km²
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 Waldo : 25 espèces reliées par 70 interactions GloBI sur 4 types (connectance 11.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
70
Connectance
0.118
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
2 863 distinct species · 529 667 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,9°C
Annual rain
1 285mm
Warmest m°
23,7°C
Coldest m°
-11,0°C
Elevation: 105 m on average (min -60 m, max 269 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,9°C
Annual rain
1 285mm
Warmest month
23,7°C
Coldest month
-11,0°C
Mean alt.
105m
Min
-60m
Max
269m
Std. dev.
52m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)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
72,9g/kg
Clay
13,8%
Sand
42,9%
Silt
43,3%
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
156,7g/kg
Clay
13,6%
Sand
42,7%
Silt
43,6%
5–15 cm
pH H₂O
4,9
Org. C
40,6g/kg
Clay
13,8%
Sand
42,7%
Silt
43,6%
15–30 cm
pH H₂O
5,1
Org. C
21,5g/kg
Clay
14,0%
Sand
43,2%
Silt
42,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest71.5%
Crops2.9%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)24.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 49 lakes · 33 rivers
Hydrology metrics for this exact territory
Stream length here
386,4km
Lake surface here
48,69km²
Basins crossed
9
Max stream order
6
Max drainage
21 864km²
Discharge in basins
326,9m³/s
Mean precip.
1 142mm/an
Mean T°
6,7°C
Moisture idx
0,23
Max snow
28%
Mean runoff
868mm/an
Mean elev. (basins)
94m
Watersheds crossing here
- Bassin de Passagassawakeag Riversub-area962,9 km²overlap606.73 km²31%
- Bassin de Sebasticook Riversub-area2 442 km²overlap483.29 km²25%
- Bassin de Marsh Streamsub-area431,1 km²overlap410.36 km²21%
- Bassin de Saint George Riversub-area598,5 km²overlap219.55 km²11%
- Bassin de Sheepscot Riversub-area659,5 km²overlap156.73 km²8%
- Bassin de Penobscot Riversub-area112,5 km²overlap34.68 km²2%
- Bassin de Medomak Riversub-area196,8 km²overlap25.51 km²1%
- Bassin de Souadabscook Streamsub-area470,5 km²overlap8.49 km²0%
- Bassin de Penobscot Riversub-area21,3 km²overlap7.10 km²0%
Lakes (49, top by area)
- Unity Pondarea9,9 km²avg depth6.7 m
- Swan Lakearea5,4 km²avg depth5.1 m
- Sheepscot Pondarea4,6 km²avg depth8.6 m
- Megunticook Lakearea4,6 km²avg depth10.7 m
- Saint George Lakearea4 km²avg depth9.9 m
- Quantabacook Lakearea2,7 km²avg depth5.3 m
- Carlton Pondarea2,3 km²avg depth3.0 m
- Sandy Pondarea1,7 km²avg depth5.5 m
- Stevens Pondarea1,4 km²avg depth6.2 m
40 more lakes
- Tilden Pondarea1,3 km²avg depth3.5 m
- Pitcher Pondarea1,3 km²avg depth6.6 m
- Branch Pondarea1,3 km²avg depth5.7 m
- Lac 1043475area0,9 km²avg depth4.0 m
- Lac 1045706area0,8 km²avg depth4.1 m
- Lac 1044641area0,7 km²avg depth5.4 m
- Lac 1045184area0,6 km²avg depth4.3 m
- Lac 1045574area0,6 km²avg depth3.7 m
- Lac 1045206area0,6 km²avg depth3.8 m
- Lac 1044572area0,6 km²avg depth4.3 m
- Lac 1044711area0,5 km²avg depth5.2 m
- Lac 1045792area0,4 km²avg depth4.6 m
- Lac 1044800area0,4 km²avg depth6.1 m
- Lac 1045299area0,4 km²avg depth2.8 m
- Lac 1045627area0,3 km²avg depth5.5 m
- Lac 1044848area0,3 km²avg depth4.7 m
- Lac 1045435area0,3 km²avg depth4.1 m
- Lac 1045215area0,3 km²avg depth3.8 m
- Lac 1044937area0,3 km²avg depth4.8 m
- Lac 1044959area0,3 km²avg depth3.8 m
- Lac 1045369area0,3 km²avg depth4.9 m
- Lac 1045093area0,2 km²avg depth2.7 m
- Lac 1045010area0,2 km²avg depth2.8 m
- Lac 1045294area0,2 km²avg depth4.1 m
- Lac 1045744area0,2 km²avg depth4.4 m
- Lac 1044885area0,2 km²avg depth4.3 m
- Lac 1044923area0,2 km²avg depth2.4 m
- Lac 1045113area0,2 km²avg depth3.2 m
- Lac 1044083area0,2 km²avg depth3.8 m
- Lac 1045196area0,2 km²avg depth4.2 m
- Lac 1045236area0,1 km²avg depth3.4 m
- Lac 1045240area0,1 km²avg depth6.1 m
- Lac 1044836area0,1 km²avg depth5.5 m
- Lac 1045179area0,1 km²avg depth4.9 m
- Lac 1045618area0,1 km²avg depth4.7 m
- Lac 1044950area0,1 km²avg depth3.0 m
- Lac 1043527area0,1 km²avg depth2.9 m
- Lac 1045197area0,1 km²avg depth4.8 m
- Lac 1045089area0,1 km²avg depth3.1 m
- Lac 1045484area0,1 km²avg depth3.5 m
Rivers / streams (33, ord ≥ 4)
- Marsh Streamord 3len here68.96 km100%total69 km
- Passagassawakeag Riverord 3len here38.97 km94%total41 km
- Halfmoon Streamord 2len here36.18 km100%total36 km
- Saint George Riverord 3len here27.51 km32%total85 km
- Sebasticook Riverord 5len here24.39 km14%total172 km
- Sheepscot Riverord 4len here23.91 km25%total94 km
- Goose Riverord 2len here17.49 km100%total17 km
- Ducktrap Riverord 3len here15.94 km100%total16 km
- North Branch Marsh Streamord 2len here15.76 km100%total16 km
- Twentyfive Mile Streamord 4len here13.46 km100%total13 km
- Sandy Streamord 4len here13.36 km20%total67 km
- Main Streamord 2len here10.72 km100%total11 km
21 more river segmentssorted by Strahler order + length
- Bartlett Streamord 2len here7.74 km100%total8 km
- Little Riverord 2len here7.12 km98%total7 km
- South Branch Marsh Riverord 2len here6.70 km100%total7 km
- Kendall Brookord 1len here6.00 km100%total6 km
- Medomak Riverord 2len here5.68 km10%total58 km
- Mill Brookord 1len here5.49 km100%total5 km
- Meadow Brookord 6len here5.36 km12%total43 km
- Littlefield Brookord 1len here4.39 km100%total4 km
- Clark Brookord 3len here4.24 km82%total5 km
- Chase Streamord 3len here4.10 km100%total4 km
- Penobscot Riverord 6len here3.73 km2%total245 km
- Black Brookord 1len here3.35 km100%total3 km
- Halfmoon Streamord 1len here3.13 km100%total3 km
- Fifteenmile Streamord 3len here2.97 km7%total40 km
- Long Cove Brookord 1len here2.46 km100%total2 km
- Cove Brookord 1len here2.37 km74%total3 km
- Clements Brookord 1len here2.19 km100%total2 km
- Marsh Riverord 6len here0.85 km14%total6 km
- Frohock Brookord 1len here0.83 km100%total1 km
- Megunticook Riverord 2len here0.58 km7%total8 km
- Farnham Brookord 2len here0.44 km9%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
30,1%
Pesticides
3,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas50
IUCN V · 40IUCN III · 6IUCN Not Assigned · 3IUCN IV · 1🌊 Marine · 4
Camden Hills
IUCN IIIState Park · 1948
25 km²
Water Supply Lands
IUCN VWatershed Protection Area
11 km²
Ducktrap River
IUCN Not AssignedPreserve · 1996
5 km²
Ducktrap
IUCN VWildlife Preserve
3 km²
Sheepscot River Headwaters
IUCN VPrivate Conservation
2 km²
Complete list50 protected areas
- Petit MananNational Wildlife RefugeIUCN IV31 km²
- Camden HillsState ParkIUCN III194825 km²
- Water Supply LandsWatershed Protection AreaIUCN V11 km²
- Ducktrap RiverPreserveIUCN Not Assigned19965 km²
- DucktrapWildlife PreserveIUCN V3 km²
- Sheepscot River HeadwatersPrivate ConservationIUCN V2 km²
- Sebasticook RiverPrivate ConservationIUCN V20122 km²
- Long Cove HeadwatersPreserveIUCN V20102 km²
- Fowler BogPCLIUCN V2 km²
- Northern HeadwatersPreserveIUCN V20102 km²
- Lake St. GeorgeState ParkIUCN III19831 km²
- St. ClairPreserveIUCN V19621 km²
- Fernalds NeckConservation EasementIUCN V20071 km²
- Ducktrap River Watershed - Coastal Mountains Land TrustWatershedIUCN V1 km²
- Moose PointState ParkIUCN III19511 km²
- Sebasticook RiverPCLIUCN V20121 km²
- Kanokolus BogPrivate ConservationIUCN V1 km²
- Moulton's Mill Preserve 2PreserveIUCN V1 km²
- Camden HillsState ParkIUCN III20040 km²
- GibsonPreserveIUCN V19990 km²
- Richardson MemorialPreserveIUCN V0 km²
- Treat PointPCLIUCN V20110 km²
- Taylor LotPrivate ConservationIUCN V20140 km²
- Head Of TidePreserveIUCN V20090 km²
- Warren IslandState ParkIUCN III19590 km²
- FreedomForest PreserveIUCN V0 km²
- StephensonPreserveIUCN V0 km²
- PalermoPreserveIUCN V0 km²
- Mount PercivalConservation EasementIUCN Not Assigned20050 km²
- SwanLakeIUCN III19690 km²
- McLellan-PoorPreserveIUCN Not Assigned20070 km²
- Great Farm BrookPCLIUCN V0 km²
- Meadow BrookPreserveIUCN V20110 km²
- StoverPreserveIUCN V20040 km²
- Unity Wetlands AreaWetlandsIUCN V0 km²
- Emery LotPrivate ConservationIUCN V20140 km²
- Downer LotPrivate ConservationIUCN V20140 km²
- Mark Island Preserve (North Haven)PreserveIUCN V19690 km²
- PorterPreserveIUCN V0 km²
- Martin LotPCLIUCN V0 km²
- MarshallPCLIUCN V0 km²
- Biggs/GallikPCLIUCN V0 km²
- MurrayPreserveIUCN V20070 km²
- Youngs NeckPCLIUCN V0 km²
- BruunPCLIUCN V0 km²
- Ducktrap RiverPreserveIUCN V20000 km²
- Unity Wetlands - Sebasticook Regional Land TrustWetlandsIUCN V20060 km²
- Fernald's NeckPreserveIUCN V20080 km²
- Lindell LotPrivate ConservationIUCN V20140 km²
- Fernalds Neck IslandEasementIUCN V19920 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN