Ontologia

Subdivision · MAR

Rissana Chamalia

Morocco

CsaTemperate, dry summer, hot summer(100 %)

Species observed

92

Observations

153

Area

77km²

Ecological tissue

Sample of 35 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 Rissana Chamalia : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 5 types (connectance 7.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
45
Connectance
0.076
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

92 distinct species · 153 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

153 obs · 3 cellules
Obs. / cellule
≥ 91
91–90
91–90
51–90
< 51

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

Climate

Mean T°

17,9°C

Annual rain

778mm

Warmest m°

30,9°C

Coldest m°

7,6°C

Elevation: 111 m on average (min 43 m, max 187 m)

Bioclimatic detailsExpert
Annual mean temp.
17,9°C
Annual rain
778mm
Warmest month
30,9°C
Coldest month
7,6°C
Mean alt.
111m
Min
43m
Max
187m
Std. dev.
29m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

25,8g/kg

Clay

39,3%

Sand

27,5%

Silt

33,2%

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

Dominant lithology: ssGLiMaggregated to Larache

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
43,3g/kg
Clay
37,6%
Sand
28,3%
Silt
34,1%
5–15 cm
pH H₂O
6,9
Org. C
19,1g/kg
Clay
39,7%
Sand
27,0%
Silt
33,2%
15–30 cm
pH H₂O
6,9
Org. C
15,1g/kg
Clay
40,6%
Sand
27,3%
Silt
32,2%

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

Land cover

Forest10.8%
Crops35.6%
Built-up0.3%
Bare soil4.5%
Other (grassland, water…)48.8%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,5km

Basins crossed

2

Max stream order

1

Max drainage

3 728km²

Discharge in basins

0,7m³/s

Mean precip.

814mm/an

Mean T°

17,7°C

Moisture idx

-0,38

Mean runoff

290mm/an

Mean elev. (basins)

223m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

25,5%

Pesticides

23,8kg/km²

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

Protected areas2

IUCN Not Applicable · 2

Khmis Sahel

IUCN Not Applicable

Permanent Hunting Reserve · 2021

30 km²

Khemis Es-Sahel

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

21 km²

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