Journal Article10.1038/NATURE07893
Adaptation and diversification on islands
TL;DR: Charles Darwin's travels on HMS Beagle taught him that islands are an important source of evidence for evolution, and island research provides valuable insights into speciation and adaptive radiation, and into the relative importance of contingency and determinism in evolutionary diversification.
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Abstract: Charles Darwin's travels on HMS Beagle taught him that islands are an important source of evidence for evolution. Because many islands are young and have relatively few species, evolutionary adaptation and species proliferation are obvious and easy to study. In addition, the geographical isolation of many islands has allowed evolution to take its own course, free of influence from other areas, resulting in unusual faunas and floras, often unlike those found anywhere else. For these reasons, island research provides valuable insights into speciation and adaptive radiation, and into the relative importance of contingency and determinism in evolutionary diversification.
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Citations
Extensive genetic divergence between recently evolved sympatric Arctic charr morphs
Jóhannes Guðbrandsson,Kalina H. Kapralova,Sigrídur Rut Franzdóttir,Þóra Margrét Bergsveinsdóttir,Völundur Hafstað,Zophonías O. Jónsson,Sigurður S. Snorrason,Arnar Palsson +7 more
TL;DR: Investigation of relatedness and genomic differentiation between morphs in Arctic charr reveals genetic differences between the morphs, with the two benthic morphs being more similar and the PL-charr more genetically different and markers with high differentiation map to all linkage groups, suggesting ancient and pervasive genetic separation of these three morphs.
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Seasonal Variation in the Thermoregulation Pattern of an Insular Agamid Lizard
TL;DR: The results reveal that seasonal fluctuations significantly influence how easily and precisely lizards can regulate their body temperature, with summer being the most favorable period, and autumn being the least favorable.
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Correction to ‘Competition both drives and impedes diversification in a model adaptive radiation’
TL;DR: Two errors have been discovered in the article Bailey et al .
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Insularity determines nestling sex ratio variation in Egyptian vulture populations
Guillermo Gómez‐López,Ana Sanz-Aguilar,Martina Carrete,Eneko Arrondo,José Ramón Benítez,Olga Ceballos,Ainara Cortés-Avizanda,Félix de Pablo,José A. Donázar,Óscar Frías,Laura Gangoso,Marina García-Alfonso,J. L. Gonzalez,Juan Manuel Grande,David Serrano,José Luis Tella,Guillermo Blanco +16 more
TL;DR: It is shown that insularity influences the offspring sex ratio of the Egyptian vulture through several processes that can affect island and mainland populations differentially, contributing to improving the understanding of sex allocation theory.
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References
The Theory of Island Biogeography
TL;DR: Preface to the Princeton Landmarks in Biology Edition vii Preface xi Symbols used xiii 1.
14.1K
•Book
The Theory of Island Biogeography
Robert H. MacArthur,Edward O. Wilson +1 more
- 01 Jan 1967
TL;DR: The Princeton Landmarks in Biology Edition vii Preface xi Symbols Used xiii 1. The Importance of Islands 3 2. Area and Number of Speicies 8 3. Further Explanations of the Area-Diversity Pattern 19 4. The Strategy of Colonization 68 5. Invasibility and the Variable Niche 94 6. Stepping Stones and Biotic Exchange 123 7. Evolutionary Changes Following Colonization 145 8. Prospect 181 Glossary 185 References 193 Index 201
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The Theory of Island Biogeography
Abstract: Preface to the Princeton Landmarks in Biology Edition vii Preface xi Symbols Used xiii 1. The Importance of Islands 3 2. Area and Number of Speicies 8 3. Further Explanations of the Area-Diversity Pattern 19 4. The Strategy of Colonization 68 5. Invasibility and the Variable Niche 94 6. Stepping Stones and Biotic Exchange 123 7. Evolutionary Changes Following Colonization 145 8. Prospect 181 Glossary 185 References 193 Index 201
9.8K
•Book
On the Origin of Species by Means of Natural Selection, or, The Preservation of Favoured Races in the Struggle for Life
Charles Darwin
- 03 Sep 2009
TL;DR: The "Penguin Classics" edition of "On the Origin of Species" as discussed by the authors contains an introduction and notes by William Bynum, and features a cover designed by Damien Hirst.
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