Alburg Dunes
IUCN VState Park · 1996
3 km²
County · USA
Grand Isle
United States
DfaCold, no dry season, hot summer(78 %)
Species observed
3 439
Observations
218 936
Area
509,4km²
Ecological tissue
Sample of 33 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 Grand Isle : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 3 types (connectance 14.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
74
Connectance
0.140
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 439 distinct species · 218 936 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,8°C
Annual rain
951mm
Warmest m°
25,6°C
Coldest m°
-11,4°C
Elevation: 33 m on average (min 27 m, max 61 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,8°C
Annual rain
951mm
Warmest month
25,6°C
Coldest month
-11,4°C
Mean alt.
33m
Min
27m
Max
61m
Std. dev.
8m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(78 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
45,3g/kg
Clay
27,3%
Sand
32,8%
Silt
39,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
69,7g/kg
Clay
26,9%
Sand
32,8%
Silt
40,3%
5–15 cm
pH H₂O
6,2
Org. C
42,3g/kg
Clay
26,7%
Sand
32,8%
Silt
40,5%
15–30 cm
pH H₂O
6,2
Org. C
24,1g/kg
Clay
28,4%
Sand
32,8%
Silt
38,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.4%
Crops8.4%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)70.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 1 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
40,2km
Lake surface here
294,58km²
Basins crossed
17
Max stream order
6
Max drainage
21 914km²
Discharge in basins
1 790,1m³/s
Mean precip.
871mm/an
Mean T°
6,5°C
Moisture idx
-0,00
Max snow
33%
Mean runoff
604mm/an
Mean elev. (basins)
86m
Watersheds crossing here
- Bassin de Stevens Brooksub-area467,5 km²overlap163.56 km²32%
- Bassin de Alburg Passagesub-area212,8 km²overlap112.44 km²22%
- Bassin de Lamoille Riversub-area2 080,3 km²overlap48.75 km²10%
- Bassin de la Motte Passagesub-area35,7 km²overlap35.66 km²7%
- Bassin de Rivière Richelieusub-area66,7 km²overlap33.73 km²7%
- Basin #22060sub-area27,7 km²overlap25.96 km²5%
- Basin #19140sub-area70,4 km²overlap25.65 km²5%
- Bassin de Great Chazy Riversub-area1 049 km²overlap25.07 km²5%
- Bassin de Alburg Passagesub-area29,1 km²overlap23.04 km²5%
8 more basinssorted by overlap
- Basin #24360sub-area64,7 km²overlap6.96 km²1%
- Bassin de Ausable Riversub-area3,5 km²overlap3.47 km²1%
- Bassin de Little Ausable Riversub-area212,1 km²overlap2.28 km²0%
- Bassin de East Branch Ausable Riversub-area1 365,3 km²overlap1.84 km²0%
- Bassin de Winooski Riversub-area659 km²overlap0.60 km²0%
- Basin #24220sub-area0,3 km²overlap0.28 km²0%
- Bassin de Saranac Riversub-area1 930,4 km²overlap0.08 km²0%
- Bassin de Rivière Richelieusub-area586,1 km²overlap0.05 km²0%
Lakes (1, top by area)
Rivers / streams (8, ord ≥ 4)
- Alburg Passageord 5len here13.33 km100%total13 km
- Mud Creekord 5len here9.05 km2%total471 km
- La Motte Passageord 6len here8.75 km100%total9 km
- Lamoille Riverord 4len here4.15 km3%total161 km
- Rivière Richelieuord 6len here1.94 km1%total133 km
- Little Ausable Riverord 3len here1.58 km2%total71 km
- Ausable Riverord 4len here1.39 km1%total115 km
- Little Chazy Riverord 3len here0.03 km0%total43 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
29,3%
Pesticides
16,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN V · 8IUCN Not Assigned · 1
Knight Island
IUCN VConservation Easement · 1990
1 km²
Wetlands Reserve Program (WRP), Grand Isle, VT
IUCN VReserve Program · 2013
0 km²
Birdland Marsh
IUCN VPrivate Conservation Land · 1990
0 km²
Savage Island
IUCN VConservation Easement · 1991
0 km²
South Hero Marsh
IUCN VWildlife Management Area
0 km²
Complete list9 protected areas
- Alburg DunesState ParkIUCN V19963 km²
- Knight IslandConservation EasementIUCN V19901 km²
- Wetlands Reserve Program (WRP), Grand Isle, VTReserve ProgramIUCN V20130 km²
- Birdland MarshPrivate Conservation LandIUCN V19900 km²
- Savage IslandConservation EasementIUCN V19910 km²
- South Hero MarshWildlife Management AreaIUCN V0 km²
- Alburgh LakeshoreLakeIUCN Not Assigned0 km²
- Butternut HillNatural AreaIUCN V20110 km²
- The Nature ConservancyPrivate Conservation LandIUCN V19890 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN