HydroBASINS lev08 watershed · #7080571760

Bassin de Grand View Ditch

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 3 administrative regions : Delta, Gunnison, Montrose

4% lakePfafstetter: 77280452

Sub-basin area

497,5km²

Upstream area

497,7km²

Discharge

2,15m³/s

Mean elev.

2 419m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Gunnison River12 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

Delta
Colorado · United States
186.5 km²
37.5% of basin
Montrose
Colorado · United States
157.5 km²
31.6% of basin
Gunnison
Colorado · United States
153.9 km²
30.9% of basin

17 intersecting protected areas

West Elk
IUCN Ib
Wilderness
64.46 km² overlap
Gunnison Gorge
IUCN V
National Conservation Area
25.77 km² overlap
Gunnison Gorge
IUCN Ib
Wilderness Area
3.98 km² overlap
LeValley Ranch II Ltd A&R
IUCN Not Assigned
Conservation Easement
3.47 km² overlap
McCloskey - Canyon Ranch
IUCN Not Assigned
Conservation Easement
2.78 km² overlap
Camels Garden Partners
IUCN Not Assigned
Garden
0.94 km² overlap
Clagett
IUCN Not Assigned
Conservation Easement
0.63 km² overlap
Smith Fork Ranch (Dufon)
IUCN Not Assigned
Conservation Easement
0.61 km² overlap
Smith, C.
IUCN Not Assigned
Conservation Easement
0.43 km² overlap

8 more protected areassorted by overlap area

Jackson
IUCN Not Assigned
Conservation Easement
0.37 km² overlap
Needle Rock
IUCN Ib
Wilderness Study Area
0.33 km² overlap
XK Bar Ranch - Ejido LLC (Prendergast)
IUCN Not Assigned
Conservation Easement
0.31 km² overlap
Grizzly T Gulch SHA
IUCN V
Conservation Easement
0.28 km² overlap
Haueisen
IUCN Not Assigned
Conservation Easement
0.27 km² overlap
Ross
IUCN Not Assigned
Conservation Easement
0.24 km² overlap
Black Canyon of the Gunnison
IUCN II
National Park
0.03 km² overlap
Kingfisher Trust
IUCN Not Assigned
Conservation Easement
0.00 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

577 distinct species · 6 416 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Grand View Ditch : 23 espèces reliées par 98 interactions GloBI sur 4 types (connectance 16.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.165

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

4,4°C

Annual rain

419mm

Moisture idx (CMI)

-0,58

Runoff

140mm/an

PET

1 042mm

AET

358mm

Mean slope

10,9°

Water table

488cm

Forest

73%

Crops

Urban

Protected

22%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)