Ontologia

Commune · PER

Marias

Peru

ETPolar, tundra(72 %)

Species observed

28

Observations

54

Area

616,6km²

Ecological tissue

Sample of 5 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 Marias : 5 espèces reliées par 4 interactions GloBI sur 2 types (connectance 40.0%, filtre Serrano α=0.2).

Espèces affichées
5
Interactions affichées
4
Connectance
0.400
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

28 distinct species · 54 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

54 obs · 7 cellules
Obs. / cellule
≥ 17
17–16
10–16
6–9
< 6

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

Climate

Mean T°

7,5°C

Annual rain

2 023mm

Warmest m°

12,2°C

Coldest m°

1,7°C

Elevation: 3 685 m on average (min 1 785 m, max 4 531 m)

Bioclimatic detailsExpert
Annual mean temp.
7,5°C
Annual rain
2 023mm
Warmest month
12,2°C
Coldest month
1,7°C
Mean alt.
3 685m
Min
1 785m
Max
4 531m
Std. dev.
586m
Köppen-Geiger (dominant)
ETPolar, tundra(72 %)Polar

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

72,4g/kg

Clay

22,2%

Sand

41,4%

Silt

36,4%

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

Dominant lithology: smGLiMaggregated to Dos de Mayo

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
97,2g/kg
Clay
21,5%
Sand
41,5%
Silt
37,0%
5–15 cm
pH H₂O
6,0
Org. C
69,6g/kg
Clay
21,7%
Sand
41,7%
Silt
36,6%
15–30 cm
pH H₂O
6,0
Org. C
50,3g/kg
Clay
23,4%
Sand
40,8%
Silt
35,7%

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

Land cover

Forest24.7%
Crops2.6%
Built-up0.0%
Bare soil4.8%
Other (grassland, water…)67.8%

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

Hydrology3 basins · 6 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

98,8km

Lake surface here

1,62km²

Basins crossed

3

Max stream order

5

Max drainage

9 586km²

Discharge in basins

33,5m³/s

Mean precip.

882mm/an

Mean T°

12,9°C

Moisture idx

-0,36

Max snow

1%

Mean runoff

1 414mm/an

Mean elev. (basins)

3 034m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

3,6%

Pesticides

39,0kg/km²

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

Protected areas1

IUCN VI · 1

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