Ontologia

Department · TCD

Monts de Lam

Chad

AwTropical, savannah(100 %)

Species observed

213

Observations

837

Area

8 310,3km²

Ecological tissue

Sample of 10 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 Monts de Lam : 9 espèces reliées par 6 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
10
Interactions affichées
6
Connectance
0.133
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

213 distinct species · 837 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

837 obs · 62 cellules
Obs. / cellule
≥ 49
28–48
18–27
12–17
< 12

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

Climate

Mean T°

26,8°C

Annual rain

1 214mm

Warmest m°

37,7°C

Coldest m°

18,1°C

Elevation: 518 m on average (min 407 m, max 986 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
1 214mm
Warmest month
37,7°C
Coldest month
18,1°C
Mean alt.
518m
Min
407m
Max
986m
Std. dev.
81m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

6,2

Org. C

12,9g/kg

Clay

17,4%

Sand

61,5%

Silt

21,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
19,3g/kg
Clay
15,7%
Sand
62,9%
Silt
21,4%
5–15 cm
pH H₂O
6,2
Org. C
12,6g/kg
Clay
16,9%
Sand
61,9%
Silt
21,2%
15–30 cm
pH H₂O
6,1
Org. C
6,7g/kg
Clay
19,7%
Sand
59,6%
Silt
20,7%

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

Land cover

Forest24.8%
Crops13.2%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)61.8%

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

Hydrology23 basins · 8 lakes · 86 rivers

Hydrology metrics for this exact territory

Stream length here

1 249,6km

Lake surface here

1,80km²

Basins crossed

23

Max stream order

6

Max drainage

33 167km²

Discharge in basins

776,6m³/s

Mean precip.

1 224mm/an

Mean T°

26,2°C

Moisture idx

-0,36

Mean runoff

306mm/an

Mean elev. (basins)

526m

Watersheds crossing here

14 more basins

Lakes (8, top by area)

Rivers / streams (86, ord ≥ 4)

74 more river segments

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

Human pressure

Pop. density

0hab/km²

Built-up

9,1%

Pesticides

0,2kg/km²

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

Sub-administrations10