Population information

Order name Charadriiformes
Family name Scolopacidae
Scientific name Limnodromus semipalmatus Common name Asian Dowitcher
Population name C & E Asia (bre)
Breeding range W, C & E Siberia, Mongolia, N Manchuria Non-breeding range E India, SE Asia, Sumatra, Java, N Australia
Red List Category Near Threatened
Ramsar regions Asia Oceania
Notes

Conservation Framework

Conservation framework Notes
EAAF Partnership
CAF Action Plan
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 15,000 20,000 No quality assessment [R321]
WPE 2 0 0 15,000 20,000 No quality assessment [R321]
WPE 3 0 0 23,000 23,000 No quality assessment [R35]
WPE 4 0 0 23,000 23,000 No quality assessment [S1081] [R36]
WPE 5 2007 2007 23,000 23,000 Expert opinion [S6704] [R36]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown No quality assessment
WPE 2 0 0 Unknown No quality assessment
WPE 3 0 0 Unknown No quality assessment
WPE 4 0 0 Unknown No quality assessment
WPE 5 2000 2009 DEC Poor [T4185] [R1076]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 180
WPE 2 1994 180
WPE 3 2002 230
WPE 4 2002 230
WPE 5 2002 230

References

  • R321 - Howes, J. and Parish, D. 1989. New Information on Asian Shorebirds: A preliminary review of the INTERWADER Programme 1983-1989 and priorities for the future. Asian Wetland Bureau Publication No. 42. Kuala Lumpur, Malaysia.
  • R35 - Bamford, M.J., Watkins, D.G., Bancroft, W. Tischler, G and Wahl, J. (2008). Migratory Shorebirds of the East Asian-Australasian Flyway; Population Estimates and Important Sites. Wetlands International - Oceania.
  • R36 - Bamford, M.J., Watkins, D.G., Bancroft, W. Tischler, G and Wahl, J. (in prep, 2006). Migratory Shorebirds of the East Asian-Australasian Flyway; Population Estimates and Important Sites. Wetlands International - Oceania.
  • R1076 - Garnett, S.T., Szabo, J.K. and Dutson, G. 2010. The Action Plan for Australian Birds 2010. CSIRO Publishing, Melbourne.
  • R1879 - Yang, Z., Han, Y., Li, J., Cai, S., Guo, J., Xiang, L, Zhang, L. & Cho, CY. 2019. Significant numbers of Asian Dowitcher Limnodromus semipalmatus found during waterbird surveys at Lianyungang, Jiangsu province, China. BirdingASIA 32: 58–64
  • R1833 - Hansen, B.D., Fuller, R.A., Watkins, D., Rogers, D.I., Clemens, R.S., Newman, M., Woehler, E.J. and Weller, D.R. (2016) Revision of the East Asian-Australasian Flyway population estimates for 37 listed migratory shorebird species. Unpublished report for the Department of the Environment. BirdLife Australia, Melbourne, Victoria. https://www.environment.gov.au/biodiversity/publications/revision-east-asian-australasian-flyway-population-2016
  • R1911 - Yang Z, Li J, Han Y, Hassell CJ, Leung K-SK, Melville DS, Yu Y-T, Zhang L, Choi C-Y. (2021). Coastal wetlands in Lianyungang, Jiangsu Province, China: probably the most important site globally for the Asian Dowitcher (Limnodromus semipalmatus). Avian research, 12(1), 38. doi:10.1186/s40657-021-00272-7
  • R1851 - Langendoen, T, Mundkur, T. & Nagy, S., (2021) Flyway trend analyses based on data from the Asian Waterbird Census from the period of 1987-2020. Online publication. Wetlands International, Wageningen, The Netherlands.

Notes

  • S1081 - Balachandran (2005): Indian wintering population estimated at 800.
  • S6704 - Estimate retained from WPE4; not re-assessed due to limited new information; large numbers still occur in Sumatra, Indonesia.
  • T4185 - Trend is an overall decline consistent with loss and degradation of habitat in both breeding and non-breeding areas.
  • S9702 - Recent counts on northward migration provide a basis for updating estimate. In May 2019, over 22,432 recorded at Lianyungang, Jiangsu prov, CN (Yang et al. 2019); while 27,000+ were recorded here on 12 May 2021 (Z.Yang unpubl.). An additional 1,377 were recorded at Luannan, Hebei prov, CN on the same day (Katherine Leung pers.comm.). Luannan and Lianyungang are the only known stopover sites in CN that support a substantial number of Asian Dowitchers. The estimate is revised to 28,400 (27,000+1,377=28,377)
  • T7787 - The IWC analysis reports an uncertain trend falling in the stable range for 2007-2016 (1.0306), an increasing trend over 3 generations 1994-2016 (1.0629) and 1983-2016 (1.0592). Surveys from Luannan, CN show an increasing tendency but with high uncertainty whilst trend in HK has fluctuated but stable between 2011-2020 (Chi-Yeung Choi in litt. 2021, Yang et al. 2021).



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on