Ontologia

Commune · PER

San Marcos

Peru

ETPolar, tundra(92 %)

Species observed

282

Observations

1 854

Area

564,3km²

Ecological tissue

Sample of 29 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 San Marcos : 24 espèces reliées par 26 interactions GloBI sur 2 types (connectance 6.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
26
Connectance
0.064
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

282 distinct species · 1 854 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 854 obs · 12 cellules
Obs. / cellule
≥ 486
374–485
241–373
163–240
< 163

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

Climate

Mean T°

4,7°C

Annual rain

1 217mm

Warmest m°

11,1°C

Coldest m°

-2,5°C

Elevation: 4 249 m on average (min 2 903 m, max 4 726 m)

Bioclimatic detailsExpert
Annual mean temp.
4,7°C
Annual rain
1 217mm
Warmest month
11,1°C
Coldest month
-2,5°C
Mean alt.
4 249m
Min
2 903m
Max
4 726m
Std. dev.
353m
Köppen-Geiger (dominant)
ETPolar, tundra(92 %)Polar

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

Soil & lithology

pH H₂O

6,4

Org. C

50,3g/kg

Clay

21,6%

Sand

44,6%

Silt

33,8%

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

Dominant lithology: smGLiMaggregated to Huari

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
64,0g/kg
Clay
20,9%
Sand
44,9%
Silt
34,2%
5–15 cm
pH H₂O
6,3
Org. C
47,4g/kg
Clay
21,2%
Sand
44,8%
Silt
33,9%
15–30 cm
pH H₂O
6,4
Org. C
39,7g/kg
Clay
22,6%
Sand
43,9%
Silt
33,4%

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

Land cover

Forest6.7%
Crops2.6%
Built-up0.1%
Bare soil14.1%
Other (grassland, water…)76.4%

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

Hydrology3 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

32,3km

Lake surface here

0,50km²

Basins crossed

3

Max stream order

4

Max drainage

6 421km²

Discharge in basins

14,5m³/s

Mean precip.

785mm/an

Mean T°

7,2°C

Moisture idx

-0,31

Max snow

2%

Mean runoff

831mm/an

Mean elev. (basins)

3 996m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

1,2nW

Built-up

13,8%

Pesticides

37,0kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN II · 1

Huascarán

IUCN II

National Park · 1975

3 397 km²

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