Influence of climate change on productivity of American White Pelicans, Pelecanus erythrorhynchos
PLoS ONE
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Abstract
In the past decade, severe weather and West Nile virus were major causes of chick mortality at American white pelican (Pelecanus erythrorhynchos) colonies in the northern plains of North America. At one of these colonies, Chase Lake National Wildlife Refuge in North Dakota, spring arrival by pelicans has advanced approximately 16 days over a period of 44 years (1965–2008). We examined phenology patterns of pelicans and timing of inclement weather through the 44-year period, and evaluated the consequence of earlier breeding relative to weather-related chick mortality. We found severe weather patterns to be random through time, rather than concurrently shifting with the advanced arrival of pelicans. In recent years, if nest initiations had followed the phenology patterns of 1965 (i.e., nesting initiated 16 days later), fewer chicks likely would have died from weather-related causes. That is, there would be fewer chicks exposed to severe weather during a vulnerable transition period that occurs between the stage when chicks are being brooded by adults and the stage when chicks from multiple nests become part of a thermally protective crèche.
Suggested Citation
Sovada, M.A., Igl, L.D., Pietz, P., Bartos, A.J., 2014, Influence of climate change on productivity of American White Pelicans, Pelecanus erythrorhynchos: PLoS ONE, v. 9, no. 1, 8 p., https://doi.org/10.1371/journal.pone.0083430.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Influence of climate change on productivity of American White Pelicans, Pelecanus erythrorhynchos |
| Series title | PLoS ONE |
| DOI | 10.1371/journal.pone.0083430 |
| Volume | 9 |
| Issue | 1 |
| Publication Date | January 08, 2014 |
| Year Published | 2014 |
| Language | English |
| Publisher | Public Library of Science |
| Contributing office(s) | Northern Prairie Wildlife Research Center |
| Description | 8 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | PLoS ONE |
| Country | United States |
| State | North Dakota |
| County | Stutsman County |
| Other Geospatial | Chase Lake National Wildlife Refuge |
| Online Only (Y/N) | Y |