Tar Hollow
IUCN VState Forest
67 km²
County · USA
Ross
United States
DfaCold, no dry season, hot summer(91 %)
Species observed
3 431
Observations
107 581
Area
1 793,9km²
Ecological tissue
Sample of 31 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 Ross : 22 espèces reliées par 68 interactions GloBI sur 3 types (connectance 12.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
68
Connectance
0.129
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
3 431 distinct species · 107 581 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,1°C
Annual rain
1 045mm
Warmest m°
29,0°C
Coldest m°
-4,5°C
Elevation: 255 m on average (min 175 m, max 363 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,1°C
Annual rain
1 045mm
Warmest month
29,0°C
Coldest month
-4,5°C
Mean alt.
255m
Min
175m
Max
363m
Std. dev.
38m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(91 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
33,3g/kg
Clay
29,5%
Sand
19,7%
Silt
50,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
64,8g/kg
Clay
28,6%
Sand
19,9%
Silt
51,6%
5–15 cm
pH H₂O
6,0
Org. C
22,8g/kg
Clay
28,6%
Sand
20,0%
Silt
51,4%
15–30 cm
pH H₂O
6,0
Org. C
12,2g/kg
Clay
31,3%
Sand
19,3%
Silt
49,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest51.6%
Crops29.1%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)18.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 6 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
371,5km
Lake surface here
2,82km²
Basins crossed
14
Max stream order
5
Max drainage
17 043km²
Discharge in basins
370,9m³/s
Mean precip.
1 013mm/an
Mean T°
11,1°C
Moisture idx
-0,08
Max snow
10%
Mean runoff
357mm/an
Mean elev. (basins)
263m
Watersheds crossing here
- Bassin de Paint Creeksub-area471,6 km²overlap462.29 km²26%
- Bassin de Walnut Creeksub-area328,9 km²overlap329.23 km²18%
- Bassin de North Fork Paint Creeksub-area622,6 km²overlap285.64 km²16%
- Bassin de Scioto Riversub-area242 km²overlap222.70 km²12%
- Bassin de Salt Creeksub-area1 443,8 km²overlap165.19 km²9%
- Bassin de Deer Creeksub-area1 039,2 km²overlap109.76 km²6%
- Bassin de Scioto Riversub-area2 146,9 km²overlap99.81 km²6%
- Bassin de Scioto Riversub-area394,1 km²overlap43.75 km²2%
- Bassin de Paint Creeksub-area29 km²overlap29.01 km²2%
5 more basinssorted by overlap
Lakes (6, top by area)
Rivers / streams (24, ord ≥ 4)
- Paint Creekord 4len here76.65 km21%total361 km
- Scioto Riverord 5len here59.21 km13%total469 km
- North Fork Paint Creekord 4len here39.33 km62%total63 km
- Buckskin Creekord 2len here27.79 km89%total31 km
- Walnut Creekord 5len here23.36 km2%total1018 km
- Deer Creekord 6len here22.70 km2%total1337 km
- Salt Creekord 6len here21.46 km1%total1617 km
- Upper Twin Creekord 1len here11.90 km100%total12 km
- Little Walnut Creekord 2len here11.65 km25%total46 km
- Lower Twin Creekord 1len here11.11 km100%total11 km
- McGriddle Creekord 1len here9.37 km100%total9 km
- Lick Runord 2len here8.61 km26%total33 km
12 more river segmentssorted by Strahler order + length
- Compton Creekord 3len here8.05 km80%total10 km
- Indian Creekord 7len here7.57 km0%total2180 km
- Crooked Creekord 6len here5.66 km0%total1147 km
- Blackwater Creekord 4len here5.61 km10%total57 km
- Salt Lick Creekord 3len here4.79 km6%total81 km
- Poe Runord 1len here4.06 km100%total4 km
- Trego Creekord 1len here3.15 km100%total3 km
- Taylor Runord 4len here2.90 km17%total17 km
- Yellowbud Creekord 1len here2.87 km17%total17 km
- Left Fork Crooked Creekord 1len here2.87 km28%total10 km
- Middle Fork Salt Creekord 3len here0.72 km1%total63 km
- Rattlesnake Creekord 6len here0.15 km0%total320 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,3nW
Built-up
66,5%
Pesticides
7,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas13
IUCN V · 13
Pike
IUCN VState Forest
49 km²
Paint Creek Lake
IUCN VWildlife Area
23 km²
Pleasant Valley
IUCN VWildlife Area
6 km²
Ross Lake
IUCN VWildlife Area
4 km²
Spruce Hill-Rocky Fork-Hope Springs-Rock Run-Kamama Prairie
IUCN VConservation Area
3 km²
Complete list13 protected areas
- Tar HollowState ForestIUCN V67 km²
- PikeState ForestIUCN V49 km²
- Paint Creek LakeWildlife AreaIUCN V23 km²
- Pleasant ValleyWildlife AreaIUCN V6 km²
- Ross LakeWildlife AreaIUCN V4 km²
- Spruce Hill-Rocky Fork-Hope Springs-Rock Run-Kamama PrairieConservation AreaIUCN V3 km²
- Wetlands Reserve Program (WRP), Pickaway, OHReserve ProgramIUCN V19962 km²
- Grassland Reserve Program (GRP), Ross, OHReserve ProgramIUCN V20111 km²
- KinnikinnickWildlife AreaIUCN V1 km²
- Wetlands Reserve Program (WRP), Ross, OHReserve ProgramIUCN V19981 km²
- Betsch Fen FeePrivate Conservation LandIUCN V19830 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Ross, OHConservation EasementIUCN V0 km²
- Southern DistrictState ForestIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN