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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Troccoli Ghinaglia, Luis Finkel, Zoe V. Müller-karger, Frank E. Irwin, Andrew J. |
| Spatial Coverage | Venezuela |
| Description | Author Affiliation: Irwin AJ ( Department of Mathematics and Computer Science, Mount Allison University, Sackville, NB, Canada E4L 1E6); Finkel ZV ( Environmental Science Program, Mount Allison University, Sackville, NB, Canada E4L 1A7); Müller-Karger FE ( Institute for Marine Remote Sensing/IMaRS, College of Marine Science, University of South Florida, St. Petersburg, FL 33701); Troccoli Ghinaglia L ( Escuela de Ciencias Aplicadas del Mar, Universidad de Oriente, Boca de Río, Isla de Margarita, Venezuela.); |
| Abstract | Model projections indicate that climate change may dramatically restructure phytoplankton communities, with cascading consequences for marine food webs. It is currently not known whether evolutionary change is likely to be able to keep pace with the rate of climate change. For simplicity, and in the absence of evidence to the contrary, most model projections assume species have fixed environmental preferences and will not adapt to changing environmental conditions on the century scale. Using 15 y of observations from Station CARIACO (Carbon Retention in a Colored Ocean), we show that most of the dominant species from a marine phytoplankton community were able to adapt their realized niches to track average increases in water temperature and irradiance, but the majority of species exhibited a fixed niche for nitrate. We do not know the extent of this adaptive capacity, so we cannot conclude that phytoplankton will be able to adapt to the changes anticipated over the next century, but community ecosystem models can no longer assume that phytoplankton cannot adapt. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 18 |
| Volume Number | 112 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2015-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Adaptation, Physiological Ecosystem Oceans And Seas Phytoplankton Genetics Biological Evolution Caribbean Region Climate Change Environmental Monitoring Food Chain Oceanography Physiology Seasons Seawater Chemistry Temperature Venezuela Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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