Ontologia

Commune · HRV

Gračac

Croatia

CfbTemperate, no dry season, warm summer(66 %)

Species observed

1 210

Observations

3 566

Area

1 043,8km²

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 Gračac : 24 espèces reliées par 73 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
73
Connectance
0.130
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

1 210 distinct species · 3 566 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 566 obs · 27 cellules
Obs. / cellule
≥ 444
341–443
142–340
101–141
< 101

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

Climate

Mean T°

9,5°C

Annual rain

1 490mm

Warmest m°

24,1°C

Coldest m°

-4,1°C

Elevation: 810 m on average (min 299 m, max 1 317 m)

Bioclimatic detailsExpert
Annual mean temp.
9,5°C
Annual rain
1 490mm
Warmest month
24,1°C
Coldest month
-4,1°C
Mean alt.
810m
Min
299m
Max
1 317m
Std. dev.
203m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(66 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,6

Org. C

58,7g/kg

Clay

31,8%

Sand

31,0%

Silt

37,2%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
93,2g/kg
Clay
29,5%
Sand
32,6%
Silt
37,9%
5–15 cm
pH H₂O
6,6
Org. C
52,9g/kg
Clay
29,7%
Sand
32,1%
Silt
38,2%
15–30 cm
pH H₂O
6,7
Org. C
29,9g/kg
Clay
36,1%
Sand
28,2%
Silt
35,7%

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

Land cover

Forest41.4%
Crops16.6%
Built-up0.1%
Bare soil1.2%
Other (grassland, water…)40.7%

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

Hydrology7 basins · 1 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

127,8km

Lake surface here

1,09km²

Basins crossed

7

Max stream order

3

Max drainage

2 520km²

Discharge in basins

16,7m³/s

Mean precip.

1 146mm/an

Mean T°

9,2°C

Moisture idx

0,27

Max snow

17%

Mean runoff

680mm/an

Mean elev. (basins)

698m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

5,7%

Pesticides

11,3kg/km²

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

Protected areas18

IUCN Not Reported · 16IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 5📍 Point sites · 1

Velebit Mountain

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1977

2 035 km²

Velebit

IUCN Not Reported

Nature Park · 1981

2 035 km²

Velebit

IUCN Not Reported

Special Protection Area (Birds Directive) · 2013

2 035 km²

Park prirode Velebit

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2014

1 829 km²

Lička Plješivica

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2014

367 km²

Complete list

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