29 Works

Biodiversity across the Greater Cape Floristic Region

Henry Frye, Matthew Aiello-Lammens, Doug Euston-Brown, Cynthia Jones, Hayley Kilroy Mollmann, Merow Cory, Jasper Slingsby, Helga Van Der Merwe, Adam Wilson & John Silander
Aim: With plant biodiversity under global threat, there is an urgent need to monitor the spatial distribution of multiple axes of biodiversity. Remote sensing is a critical tool in this endeavor. One remote sensing approach in detecting biodiversity is based on the hypothesis that the spectral diversity of plant communities is a surrogate of multiple dimensions of biodiversity. We investigated the generality of this “surrogacy” for spectral, species, functional, and phylogenetic diversity across 1,267 plots...

Support for a relationship between demography and modeled habitat suitability is scale dependent for the Purple Martin, Progne subis

Heather Williams, Joe Siegrist & Adam Wilson
1. Species distribution models (SDMs) estimate habitat suitability for species in geographic space. They are extensively used in conservation under the assumption that there is a positive relationship between habitat suitability and species success and stability. 2. Given the difficulties in obtaining demographic data across a species’ range, this assumption is rarely tested. Here we provide a range-wide test of this relationship for the eastern subspecies of purple martin (Progne subis subis). 3. We build...

Data from: Acquisition of obligate mutualist symbionts during the larval stage is not beneficial for a coral host

Aaron Hartmann, Kristen Marhaver, Anke Klueter, Michael Lovci, Collin Closek, Erika Diaz Almeyda, Valerie Chamberland, Frederick Archer, Dimitri Deheyn, Mark Vermeij & Monica Medina
Theory suggests that the direct transmission of endosymbionts from parents to offspring (vertical transmission) in animal hosts is advantageous and evolutionarily stable, yet many host species instead acquire their symbionts from the environment (horizontal acquisition). An outstanding question in marine biology is why some scleractinian corals do not provision their eggs and larvae with the endosymbiotic dinoflagellates that are necessary for a juvenile’s ultimate survival. We tested whether the acquisition of photosynthetic endosymbionts (family Symbiodiniaceae)...

Dataset: Inverse responses of species richness and niche specialization to human development

Martin Jeanmougin, Cari D. Ficken, Jan J.H. Ciborowski & Rebecca C. Rooney
Humans impact biodiversity by altering land use and introducing nonnative species. Yet the extent to which coexistence processes, such as competition and niche shifts, mediate these relationships is not clear. This dataset was used in a study that aims to compare how human development influences wetland plant diversity by examining patterns of species richness, niche specialization, and nonnative species occurrences along a human development gradient. This dataset can be used to analyzed species richness and...

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