Ontologia

Commune · GUF

Mana

French Guiana

AfTropical, rainforest(88 %)

Species observed

4 829

Observations

27 860

Area

6 699,8km²

Ecological tissue

Sample of 25 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 Mana : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 9.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
28
Connectance
0.093
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

4 829 distinct species · 27 860 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 860 obs · 124 cellules
Obs. / cellule
≥ 3 776
612–3 775
67–611
12–66
< 12

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

Climate

Mean T°

25,6°C

Annual rain

2 522mm

Warmest m°

31,9°C

Coldest m°

21,9°C

Elevation: 70 m on average (min -4 m, max 431 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
2 522mm
Warmest month
31,9°C
Coldest month
21,9°C
Mean alt.
70m
Min
-4m
Max
431m
Std. dev.
39m
Köppen-Geiger (dominant)
AfTropical, rainforest(88 %)Tropical

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

Soil & lithology

pH H₂O

4,5

Org. C

36,5g/kg

Clay

34,2%

Sand

42,5%

Silt

23,3%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,5
Org. C
61,8g/kg
Clay
32,2%
Sand
44,0%
Silt
23,8%
5–15 cm
pH H₂O
4,5
Org. C
28,3g/kg
Clay
32,9%
Sand
43,5%
Silt
23,7%
15–30 cm
pH H₂O
4,6
Org. C
19,5g/kg
Clay
37,5%
Sand
40,0%
Silt
22,5%

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

Land cover

Forest96.6%
Crops0.1%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)3.2%

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

Hydrology24 basins · 1 lakes · 63 rivers

Hydrology metrics for this exact territory

Stream length here

1 626,5km

Lake surface here

0,62km²

Basins crossed

24

Max stream order

6

Max drainage

65 623km²

Discharge in basins

1 852,5m³/s

Mean precip.

2 511mm/an

Mean T°

25,8°C

Moisture idx

0,38

Mean runoff

1 229mm/an

Mean elev. (basins)

92m

Watersheds crossing here

15 more basins

Lakes (1, top by area)

Rivers / streams (63, ord ≥ 4)

51 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

1,1%

Pesticides

111,2kg/km²

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

Protected areas11

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

Guyane

IUCN V

Regional Nature Park · 2001

6 228 km²

La Trinité

IUCN IV

National Nature Reserve · 1996

771 km²

Basse-Mana

IUCN IV

Wetland of International Importance (Ramsar Site) · 1993

640 km²

Complete list

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