ArticleScientific reports2016
Testing the island effect on phenotypic diversification: insights from the Hemidactylus geckos of the Socotra Archipelago.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 citations in OpenAlex.
- The island rule explains consistent patterns of body size evolution in terrestrial vertebrates.Nature ecology & evolution · 2021Pooled it
- Digestive Enzyme Activity and Temperature: Evolutionary Constraint or Physiological Flexibility?Animals : an open access journal from MDPI · 2025Article
- Ecological specialization, rather than the island effect, explains morphological diversification in an ancient radiation of geckos.Proceedings. Biological sciences · 2021Article
- Physiological evolution during adaptive radiation: A test of the island effect in Anolis lizards.Evolution; international journal of organic evolution · 2019Article
- Combining molecular and landscape tools for targeting evolutionary processes in reserve design: An approach for islands.PloS one · 2018Article
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Authors and funding
5 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Island colonization is often assumed to trigger extreme levels of phenotypic diversification. Yet, empirical evidence suggests that it does not always so. In this study we test this hypothesis using a completely sampled mainland-island system, the arid clade of Hemidactylus, a group of geckos mainly distributed across Africa, Arabia and the Socotra Archipelago. To such purpose, we generated a new molecular phylogeny of the group on which we mapped body size and head proportions. We then explored whether island and continental taxa shared the same morphospace and differed in their disparities and tempos of evolution. Insular species produced the most extreme sizes of the radiation, involving accelerated rates of evolution and higher disparities compared with most (but not all) of the continental groups. In contrast, head proportions exhibited constant evolutionary rates across the radiation and similar disparities in islands compared with the continent. These results, although generally consistent with the notion that islands promote high morphological disparity, reveal at the same time a complex scenario in which different traits may experience different evolutionary patterns in the same mainland-island system and continental groups do not always present low levels of morphological diversification compared to insular groups.
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