Data from: When Bergmann's rule fails: evidences of environmental selection pressures shaping phenotypic diversification in a widespread seabird ...
Organisms tend to exhibit phenotypes that can be shaped by climate, commonly demonstrating clinal variations along latitudinal gradients. In vertebrates, air temperature plays a major role in shaping body size in both ectothermic and endothermic animals. However, additional small-scale environmental...
| Main Authors: | , , |
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| Format: | Dataset |
| Language: | English |
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Dryad
2016
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| Online Access: | https://dx.doi.org/10.5061/dryad.3k713 https://datadryad.org/stash/dataset/doi:10.5061/dryad.3k713 |
| Summary: | Organisms tend to exhibit phenotypes that can be shaped by climate, commonly demonstrating clinal variations along latitudinal gradients. In vertebrates, air temperature plays a major role in shaping body size in both ectothermic and endothermic animals. However, additional small-scale environmental factors can also act as selection pressures in the marine ecosystem (e.g. primary productivity), evidencing multi-scale processes acting on marine organisms. In this study, we tested Bergmann's rule in a widely distributed seabird, the brown booby Sula leucogaster, in addition to evaluating the relationship of sea surface temperature and chlorophyll α with phenotypes. We used traits from a morphometric dataset (culmen, wing chord, and tarsus length) and body mass of 276 brown boobies distributed on six breeding sites along a latitudinal gradient in the South Atlantic Ocean (0–27°S). We found significant differentiation among colonies, but phenotypic similarities were observed between colonies located at the ... : Dryad_ECOG_E02209_Nunes et al._2016Phenotypic data of brown boobies from six colonies along the South Atlantic Ocean; plus latitude, air temperature, and sea surface temperature data.Dryad_ECOG_E02209.xlsx ... |
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