Nature Reserve · omn
Najd Nature Reserve
- Area
- 21 311 km²
- IUCN cat.
- VI
- Year
- 2025
Overview
- Designation
- Nature Reserve
- IUCN category
- VI · Aire protégée avec utilisation durable
Conservation + utilisation durable des ressources
- Established
- 2025
- Managing authority
- Environment Authority
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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).
Indicateurs du tissu écologique
Tissu écologique de Najd Nature Reserve : 23 espèces reliées par 30 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology49 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
464,1km
Basins crossed
49
Max stream order
5
Max drainage
27 822km²
Discharge in basins
1,5m³/s
Mean precip.
45mm/an
Mean T°
25,1°C
Moisture idx
-0,97
Mean runoff
15mm/an
Mean elev. (basins)
521m
Watersheds crossing here
- Bassin de Wadi Ayunsub-area2 368,1 km²overlap2349.93 km²11%
- Basin #88970sub-area1 650,3 km²overlap1264.17 km²6%
- Basin #85070sub-area2 347,3 km²overlap1250.75 km²6%
- Bassin de Wadi Ayunsub-area1 390,9 km²overlap900.26 km²4%
- Bassin de Wadi Ayunsub-area880,9 km²overlap878.02 km²4%
- Basin #83750sub-area866,9 km²overlap864.14 km²4%
- Basin #92610sub-area985,4 km²overlap862.71 km²4%
- Basin #84630sub-area856,3 km²overlap853.54 km²4%
- Bassin de Wadi Ayunsub-area900,3 km²overlap821.00 km²4%
40 more basinssorted by overlap
- Basin #88950sub-area804,3 km²overlap801.67 km²4%
- Basin #82680sub-area782,9 km²overlap751.32 km²4%
- Bassin de Wadi Ayunsub-area957,8 km²overlap682.32 km²3%
- Basin #86240sub-area947,9 km²overlap634.86 km²3%
- Basin #79560sub-area1 873,2 km²overlap581.28 km²3%
- Basin #85940sub-area555,4 km²overlap553.57 km²3%
- Bassin de Wadi Aydamsub-area536,6 km²overlap531.39 km²2%
- Basin #87200sub-area658,1 km²overlap508.06 km²2%
- Bassin de وادي طكوةsub-area1 160,2 km²overlap496.78 km²2%
- Basin #87000sub-area723,6 km²overlap452.77 km²2%
- Bassin de Wadi Ayunsub-area502,4 km²overlap349.66 km²2%
- Basin #83760sub-area347,1 km²overlap346.00 km²2%
- Bassin de Wadi Aydamsub-area339,5 km²overlap338.40 km²2%
- Bassin de Wadi Ayunsub-area333,8 km²overlap332.75 km²2%
- Bassin de Wadi Ayunsub-area333,5 km²overlap332.42 km²2%
- Basin #83090sub-area319,8 km²overlap310.42 km²1%
- Basin #77930sub-area2 302,2 km²overlap303.08 km²1%
- Basin #87210sub-area297,6 km²overlap294.44 km²1%
- Basin #85950sub-area269,5 km²overlap268.60 km²1%
- Basin #85130sub-area261,2 km²overlap260.34 km²1%
- Basin #79570sub-area980,1 km²overlap248.93 km²1%
- Basin #83360sub-area233,4 km²overlap232.69 km²1%
- Basin #83410sub-area227,5 km²overlap226.74 km²1%
- Basin #78350sub-area615,8 km²overlap199.34 km²1%
- Basin #83080sub-area276,2 km²overlap194.34 km²1%
- Basin #84620sub-area191,1 km²overlap190.45 km²1%
- Bassin de Wadi Ayunsub-area170 km²overlap169.44 km²1%
- Bassin de Wadi Aydamsub-area149,1 km²overlap148.60 km²1%
- Bassin de Wadi Ayunsub-area122,1 km²overlap121.71 km²1%
- Bassin de Wadi Aydamsub-area184,3 km²overlap86.76 km²0%
- Basin #80630sub-area284 km²overlap73.59 km²0%
- Basin #88570sub-area61,3 km²overlap61.06 km²0%
- Bassin de Wadi Sahalnawtsub-area1 938,5 km²overlap52.99 km²0%
- Bassin de Wadi Aydamsub-area32,3 km²overlap32.24 km²0%
- Basin #90570sub-area154,3 km²overlap32.20 km²0%
- Basin #81640sub-area364,8 km²overlap22.37 km²0%
- Basin #80490sub-area217,1 km²overlap17.27 km²0%
- Basin #85490sub-area1 105,8 km²overlap12.14 km²0%
- Bassin de Wadi Aydamsub-area1 094,8 km²overlap11.33 km²0%
- Basin #82650sub-area73,9 km²overlap2.01 km²0%
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 17.59397, 53.40164
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.