Ontologia

Province · BOL

Sajama

Bolivia

BSkArid, steppe, cold(73 %)

Species observed

351

Observations

3 851

Area

7 589,2km²

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 Sajama : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 6.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
32
Connectance
0.065
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

351 distinct species · 3 851 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 851 obs · 81 cellules
Obs. / cellule
≥ 877
111–876
24–110
9–23
< 9

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

Climate

Mean T°

7,1°C

Annual rain

791mm

Warmest m°

16,7°C

Coldest m°

-4,1°C

Elevation: 4 096 m on average (min 3 740 m, max 5 993 m)

Bioclimatic detailsExpert
Annual mean temp.
7,1°C
Annual rain
791mm
Warmest month
16,7°C
Coldest month
-4,1°C
Mean alt.
4 096m
Min
3 740m
Max
5 993m
Std. dev.
328m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(73 %)Arid

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

Soil & lithology

pH H₂O

6,7

Org. C

17,5g/kg

Clay

17,3%

Sand

59,5%

Silt

23,2%

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

Dominant lithology: viGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
20,9g/kg
Clay
14,9%
Sand
61,5%
Silt
23,6%
5–15 cm
pH H₂O
6,6
Org. C
17,7g/kg
Clay
18,4%
Sand
58,6%
Silt
23,0%
15–30 cm
pH H₂O
6,8
Org. C
14,0g/kg
Clay
18,6%
Sand
58,4%
Silt
23,1%

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

Land cover

Forest0.3%
Crops1.0%
Built-up0.0%
Bare soil41.8%
Other (grassland, water…)56.8%

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

Hydrology22 basins · 5 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

722,3km

Lake surface here

1,86km²

Basins crossed

22

Max stream order

5

Max drainage

82 149km²

Discharge in basins

22,2m³/s

Mean precip.

314mm/an

Mean T°

5,9°C

Moisture idx

-0,74

Max snow

2%

Mean runoff

15mm/an

Mean elev. (basins)

4 099m

Watersheds crossing here

13 more basins

Lakes (5, top by area)

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,6%

Pesticides

20,2kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN Not Applicable · 1

Lauca (RB)

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1981

3 587 km²

Las Vicuñas

IUCN Not Reported

National Reserve · 1983

2 079 km²

Lauca

IUCN Not Reported

National Park · 1970

1 398 km²

Sajama

IUCN Not Reported

National Park · 1939

950 km²

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

Sub-administrations2