Population information
| Nom ordre | Gaviiformes | ||
|---|---|---|---|
| Nom famille | Gaviidae | ||
| Nom scientifique | Gavia pacifica | Nom courant | Pacific Loon |
| Nom population | North America | ||
| Aire de reproduction | Arctic North America | Aire de non-reproduction | Pacific coast of North America |
| Catégorie de la Liste Rouge | Least Concern | ||
| Regions Ramsar | North America | ||
| Notes | |||
Réseau de conservation
| Réseau de conservation | Notes | |
|---|---|---|
| Pas des Réseaux de conservation | ||
Note:
Taille de population
| Publication | Start year | End year | Minimum | Maximum | Estimate quality | Notes | References | Actions |
|---|---|---|---|---|---|---|---|---|
| WPE 3 | 2000 | 2000 | 900,000 | 1,500,000 | [R687] | |||
| WPE 4 | 2000 | 2000 | 900,000 | 1,500,000 | [R687] | |||
| WPE 1 | 0 | 0 | 50,000 | 50,000 | [R318] | |||
| WPE 2 | 0 | 0 | 50,000 | 50,000 | [R318] | |||
| WPE 5 | 2000 | 2000 | 900,000 | 1,500,000 | [R687] |
Population trends
| Publication | Start year | End year | Trend | Trend quality | Notes | References | Actions |
|---|---|---|---|---|---|---|---|
| WPE 3 | 1971 | 1993 | STA | [R277] | |||
| WPE 4 | 1971 | 1993 | STA | [R277] | |||
| WPE 1 | 1981 | 1991 | DEC | [R318] | |||
| WPE 2 | 1981 | 1991 | DEC | [R318] | |||
| WPE 5 | 1971 | 1993 | STA | [R277] |
Population 1% level
| Publication | Yearset | 1 percent | Note |
|---|---|---|---|
| WPE 3 | 2002 | 12000 | |
| WPE 4 | 2006 | 12000 | |
| WPE 1 | 1994 | 500 | |
| WPE 2 | 1997 | 500 | |
| WPE 5 | 2012 | 11600 |
References
- R687 - Waterbird Conservation for the Americas. 2001. Continental Marshbird Conservation Planning Workshop, August 2001, Denver, Colorado.
- R277 - Groves, D.J., Conant, B., King, R.J., Hodges, J.I. and King, J.G. 1996. Status and trends of Loon populations summering in Alaska 1971-1993. The Condor 98: 189-195.
- R318 - Hodges, J. (pers. comm.). 1992. United States Fish and Wildlife Service unpublished data. Summary to IWRB.
Notes
Copyright Wetlands International 2012 Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on