Ontologia

Arrondissement · guf

Saint-Laurent-du-Maroni

French Guiana

AfTropical, rainforest(53 %)

Species observed

31 678

Observations

265 172

Area

40 698,6km²

Ecological tissue

Sample of 18 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 Saint-Laurent-du-Maroni : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 2 types (connectance 8.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
14
Connectance
0.082
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

31 678 distinct species · 265 172 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

265 172 obs · 631 cellules
Obs. / cellule
≥ 4 895
515–4 894
69–514
12–68
< 12

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

Climate

Mean T°

25,7°C

Annual rain

2 382mm

Warmest m°

32,9°C

Coldest m°

21,5°C

Elevation: 140 m on average (min -5 m, max 733 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
2 382mm
Warmest month
32,9°C
Coldest month
21,5°C
Mean alt.
140m
Min
-5m
Max
733m
Std. dev.
74m
Köppen-Geiger (dominant)
AfTropical, rainforest(53 %)Tropical

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

Soil & lithology

pH H₂O

4,6

Org. C

30,7g/kg

Clay

35,1%

Sand

41,6%

Silt

23,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,5
Org. C
49,5g/kg
Clay
33,4%
Sand
42,9%
Silt
23,7%
5–15 cm
pH H₂O
4,6
Org. C
26,4g/kg
Clay
33,8%
Sand
42,5%
Silt
23,7%
15–30 cm
pH H₂O
4,7
Org. C
16,2g/kg
Clay
38,1%
Sand
39,4%
Silt
22,5%

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

Land cover

Forest98.6%
Crops0.0%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)1.3%

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

Hydrology88 basins · 2 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

6 835,0km

Lake surface here

0,85km²

Basins crossed

88

Max stream order

7

Max drainage

66 409km²

Discharge in basins

12 682,5m³/s

Mean precip.

2 421mm/an

Mean T°

25,4°C

Moisture idx

0,35

Mean runoff

1 037mm/an

Mean elev. (basins)

162m

Watersheds crossing here

79 more basins

Lakes (2, top by area)

Rivers / streams (100, ord ≥ 4)

88 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

0,9%

Pesticides

39,0kg/km²

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

Protected areas12

IUCN IV · 7IUCN II · 2IUCN V · 2IUCN Ib · 1🌊 Marine · 7

Guyane

IUCN V

Regional Nature Park · 2001

6 228 km²

La Trinité

IUCN IV

National Nature Reserve · 1996

771 km²

Complete list

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

Sub-administrations8