St. Martins Marsh Aquatic Preserve
IUCN IVMarine Protected Area · 1969
128 km²
County · USA
Citrus
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
5 211
Observations
391 734
Area
1 650,8km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Citrus : 35 espèces reliées par 92 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
46
Interactions affichées
92
Connectance
0.089
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
5 211 distinct species · 391 734 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,4°C
Annual rain
1 327mm
Warmest m°
31,3°C
Coldest m°
10,3°C
Elevation: 15 m on average (min -2 m, max 43 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,4°C
Annual rain
1 327mm
Warmest month
31,3°C
Coldest month
10,3°C
Mean alt.
15m
Min
-2m
Max
43m
Std. dev.
11m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,3
Org. C
29,7g/kg
Clay
7,1%
Sand
87,8%
Silt
5,1%
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
5,2
Org. C
45,3g/kg
Clay
6,8%
Sand
88,1%
Silt
5,1%
5–15 cm
pH H₂O
5,3
Org. C
26,1g/kg
Clay
6,8%
Sand
88,2%
Silt
5,0%
15–30 cm
pH H₂O
5,3
Org. C
17,6g/kg
Clay
7,7%
Sand
87,1%
Silt
5,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest40.9%
Crops3.2%
Built-up2.0%
Bare soil0.6%
Other (grassland, water…)53.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 29 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
99,7km
Lake surface here
24,49km²
Basins crossed
9
Max stream order
4
Max drainage
4 724km²
Discharge in basins
36,1m³/s
Mean precip.
1 359mm/an
Mean T°
21,1°C
Moisture idx
-0,13
Mean runoff
394mm/an
Mean elev. (basins)
22m
Watersheds crossing here
- Bassin de Tsala Apopka Outfall Canalsub-area484,2 km²overlap467.91 km²28%
- Bassin de Crystal Riversub-area492 km²overlap452.58 km²27%
- Bassin de Raccoon Canalsub-area341,1 km²overlap287.56 km²17%
- Bassin de Withlacoochee Riversub-area740,1 km²overlap264.00 km²16%
- Bassin de Chassahowitzka Riversub-area358,9 km²overlap61.61 km²4%
- Bassin de Withlacoochee Riversub-area749,6 km²overlap51.26 km²3%
- Basin #45390sub-area53,1 km²overlap40.72 km²2%
- Bassin de Withlacoochee Riversub-area170,5 km²overlap23.69 km²1%
- Bassin de Mud Riversub-area147,3 km²overlap0.10 km²0%
Lakes (29, top by area)
- Lake Rousseauarea8,4 km²avg depth4.9 m
- Lake #14320area3,5 km²avg depth2.3 m
- Lake Apopkaarea1,8 km²avg depth14.7 m
- Lake #14306area1,5 km²avg depth2.1 m
- Lake #14311area1,5 km²avg depth4.0 m
- Henderson Lakearea1,3 km²avg depth2.8 m
- Lake #14301area1,2 km²avg depth2.3 m
- Lac 1067816area0,9 km²avg depth3.7 m
- Lac 1067775area0,8 km²avg depth3.5 m
20 more lakes
- Lac 1067863area0,7 km²avg depth2.8 m
- Lac 1067810area0,7 km²avg depth50.5 m
- Lac 1067860area0,7 km²avg depth2.9 m
- Lac 1067781area0,7 km²avg depth3.1 m
- Lac 1067832area0,6 km²avg depth2.6 m
- Lac 1067828area0,5 km²avg depth3.8 m
- Lac 1067750area0,5 km²avg depth2.5 m
- Lac 1067699area0,5 km²avg depth2.7 m
- Lac 1067857area0,4 km²avg depth2.9 m
- Lac 1067739area0,4 km²avg depth3.7 m
- Lac 1067904area0,4 km²avg depth2.7 m
- Lac 1067822area0,3 km²avg depth2.8 m
- Lac 1067897area0,3 km²avg depth3.4 m
- Lac 1067861area0,3 km²avg depth2.2 m
- Lac 1067836area0,3 km²avg depth3.3 m
- Lac 1067855area0,3 km²avg depth2.6 m
- Lac 1067862area0,2 km²avg depth3.2 m
- Lac 1067907area0,2 km²avg depth3.4 m
- Lac 1067821area0,1 km²avg depth2.8 m
- Lac 1067849area0,1 km²avg depth3.5 m
Rivers / streams (8, ord ≥ 4)
- Withlacoochee Riverord 4len here59.23 km19%total316 km
- Crystal Riverord 3len here8.39 km60%total14 km
- Raccoon Canalord 3len here7.88 km100%total8 km
- Chassahowitzka Riverord 3len here6.96 km67%total10 km
- Halls Riverord 1len here5.58 km100%total6 km
- Tsala Apopka Outfall Canalord 3len here5.37 km100%total5 km
- Hunter Spring Runord 3len here4.14 km92%total5 km
- Cross-Florida Barge Canalord 4len here2.11 km16%total13 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
2,1nW
Built-up
205,0%
Pesticides
4,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas16
IUCN IV · 7IUCN V · 6IUCN III · 2IUCN Ib · 1🌊 Marine · 9
Chassahowitzka National Wildlife Refuge
IUCN IVMarine Protected Area · 1943
114 km²
Chassahowitzka
IUCN IVNational Wildlife Refuge · 1941
114 km²
Crystal River Preserve State Park
IUCN IVMarine Protected Area · 1974
113 km²
Crystal River
IUCN VPreserve State Park · 1974
111 km²
Chassahowitzka National Wildlife Refuge.Wilderness Area
IUCN IbNational Wildlife Refuge · 1977
96 km²
Complete list16 protected areas
- St. Martins Marsh Aquatic PreserveMarine Protected AreaIUCN IV1969128 km²
- Chassahowitzka National Wildlife RefugeMarine Protected AreaIUCN IV1943114 km²
- ChassahowitzkaNational Wildlife RefugeIUCN IV1941114 km²
- Crystal River Preserve State ParkMarine Protected AreaIUCN IV1974113 km²
- Crystal RiverPreserve State ParkIUCN V1974111 km²
- Chassahowitzka National Wildlife Refuge.Wilderness AreaNational Wildlife RefugeIUCN Ib197796 km²
- Wetlands Reserve Program (WRP), Citrus, FLReserve ProgramIUCN V20077 km²
- Fort CooperState ParkIUCN III3 km²
- Ellie Schiller Homosassa SpringsWildlife State ParkIUCN III1 km²
- Upper CoastalMitigation BankIUCN V1 km²
- DunnellonOpen SpaceIUCN V0 km²
- Crystal RiverNational Wildlife RefugeIUCN IV19830 km²
- Crystal River National Wildlife RefugeMarine Protected AreaIUCN IV19830 km²
- Crystal River State Archaeological SiteMarine Protected AreaIUCN IV19620 km²
- CummingPreserveIUCN V0 km²
- HillcrestParkIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN