#8104. Effect of topographic complexity on species richness in the Gal?pagos Islands

October 2026publication date
Proposal available till 08-06-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Ecology, Evolution, Behavior and Systematics;
Ecology;
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Abstract:
The accumulation of species through time has been proposed to have a hump-shaped relationship on volcanic islands (highest species richness during intermediate stages of an islands lifespan). Change in topographic complexity (TC) of islands over time is assumed to follow the same relationship. However, TC can be measured in different ways and may not have the same impact across taxonomic groups. Here, we quantify TC across the Gal?pagos Islands and test the assumption that TC follows a predictable trajectory with island age. Subsequently, we ask whether including TC improves statistical models seeking to explain variation in species richness across islands.
Keywords:
biodiversity; colonization; general dynamic model; habitat diversity; island biogeography; island endemism; island ontogeny; overwater dispersal; topography; volcanic islands

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