Ontologia

County · USA

Massac

United States

CfaTemperate, no dry season, hot summer(100 %)

Species observed

2 122

Observations

108 315

Area

633,6km²

Ecological tissue

Sample of 36 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 Massac : 27 espèces reliées par 78 interactions GloBI sur 3 types (connectance 12.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
78
Connectance
0.124
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

2 122 distinct species · 108 315 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

108 315 obs · 19 cellules
Obs. / cellule
≥ 51 134
23 427–51 133
2 800–23 426
913–2 799
< 913

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

14,7°C

Annual rain

1 229mm

Warmest m°

31,5°C

Coldest m°

-1,8°C

Elevation: 116 m on average (min 88 m, max 169 m)

Bioclimatic detailsExpert
Annual mean temp.
14,7°C
Annual rain
1 229mm
Warmest month
31,5°C
Coldest month
-1,8°C
Mean alt.
116m
Min
88m
Max
169m
Std. dev.
16m
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

5,7

Org. C

20,7g/kg

Clay

31,9%

Sand

7,5%

Silt

60,6%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
40,4g/kg
Clay
31,3%
Sand
7,7%
Silt
61,0%
5–15 cm
pH H₂O
5,8
Org. C
14,2g/kg
Clay
31,7%
Sand
7,5%
Silt
60,8%
15–30 cm
pH H₂O
5,6
Org. C
7,4g/kg
Clay
32,7%
Sand
7,4%
Silt
59,9%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest38.0%
Crops36.7%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)24.5%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology6 basins · 2 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

68,0km

Lake surface here

1,71km²

Basins crossed

6

Max stream order

8

Max drainage

525 488km²

Discharge in basins

8 883,7m³/s

Mean precip.

1 219mm/an

Mean T°

13,8°C

Moisture idx

0,02

Max snow

1%

Mean runoff

457mm/an

Mean elev. (basins)

125m

Watersheds crossing here

Lakes (2, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

54,4%

Pesticides

8,7kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas10

IUCN V · 10
Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN