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Diversity, Volume 12, Issue 11

November 2020 - 33 articles

Cover Story: The birds of the Galápagos Islands are famous for their role in stimulating Charles Darwin’s conception of evolution by means of natural selection. The Galápagos Rail, a species collected by Darwin and described from the Beagle voyage, has nevertheless gained little attention due to its secretive habits. Using century-old museum specimens and modern samples, Chaves et al. sequenced its full mitochondrial genome and demonstrated that the Galápagos Rail colonized the Galápagos Islands ~1.2 million years ago from the Americas. Its genetic diversity is low, with surprisingly little genetic differentiation between populations on different islands—important information that should guide future conservation efforts. Photo: Michael Dvorak©. View this paper
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Articles (33)

  • Review
  • Open Access
38 Citations
11,003 Views
42 Pages

16 November 2020

Almost all pea crab species in the subfamily Pinnotherinae (Decapoda: Brachyura: Pinnotheridae) are considered obligatory endo- or ectosymbionts, living in a mutualistic or parasitic relationship with a wide variety of invertebrate hosts, including b...

  • Article
  • Open Access
26 Citations
4,148 Views
19 Pages

15 November 2020

The architectural complexity of coral-reef habitat plays an important role in determining the assemblage structure of reef fish. We investigated associations between the reef habitats and fish assemblages in the Northwestern Hawaiian Islands (NWHI) u...

  • Article
  • Open Access
6 Citations
5,064 Views
20 Pages

Stable Isotope Dynamics of Herbivorous Reef Fishes and Their Ectoparasites

  • William G. Jenkins,
  • Amanda W. J. Demopoulos,
  • Matthew D. Nicholson and
  • Paul C. Sikkel

14 November 2020

Acanthurids (surgeonfishes) are an abundant and diverse group of herbivorous fishes on coral reefs. While their contribution to trophic linkages and dynamics in coral reef systems has received considerable attention, the role of linkages involving th...

  • Article
  • Open Access
7 Citations
8,601 Views
28 Pages

13 November 2020

Larks constitute an avian family of exceptional cryptic diversity and striking examples of convergent evolution. Therefore, traditional morphology-based taxonomy has recurrently failed to reflect evolutionary relationships. While taxonomy ideally sho...

  • Article
  • Open Access
2 Citations
3,412 Views
19 Pages

Being Well-Connected Pays in a Disturbed World: Enhanced Herbivory in Better-Linked Habitats

  • Kristin I. Jinks,
  • Christopher J. Brown,
  • Thomas A. Schlacher,
  • Andrew D. Olds,
  • Sarah L. Engelhard,
  • Ryan M. Pearson and
  • Rod M. Connolly

12 November 2020

Seascapes are typically comprised of multiple components that are functionally linked by the movement of organisms and fluxes of matter. Changes to the number and spatial arrangement of these linkages affect biological connectivity that, in turn, can...

  • Article
  • Open Access
15 Citations
7,188 Views
12 Pages

12 November 2020

Wolbachia bacteria are widely distributed across invertebrate taxa, including ants, but several aspects of this host-associated interaction are still poorly explored, especially with regard to the ancestral state association, origin, and dispersion p...

  • Article
  • Open Access
6 Citations
9,264 Views
15 Pages

Evolutionary History of the Galápagos Rail Revealed by Ancient Mitogenomes and Modern Samples

  • Jaime A. Chaves,
  • Pedro J. Martinez-Torres,
  • Emiliano A. Depino,
  • Sebastian Espinoza-Ulloa,
  • Jefferson García-Loor,
  • Annabel C. Beichman and
  • Martin Stervander

12 November 2020

The biotas of the Galápagos Islands are one of the best studied island systems and have provided a broad model for insular species’ origins and evolution. Nevertheless, some locally endemic taxa, such as the Galápagos Rail Lateral...

  • Article
  • Open Access
7 Citations
6,769 Views
25 Pages

Analysis of Rare Plant Occurrence Data for Monitoring Prioritization

  • Hailey Laskey,
  • Elizabeth D. Crook and
  • Sarah Kimball

12 November 2020

Efforts to conserve rare plant species can be limited by a lack of time and funding for monitoring. Understanding species occurrence and distribution patterns within existing protected habitat and throughout the entire species range can help stewards...

  • Article
  • Open Access
7 Citations
4,151 Views
14 Pages

Sea Slugs—“Rare in Space and Time”—But Not Always

  • Julie Schubert and
  • Stephen D. A. Smith

11 November 2020

The term “rare in space and time” is often used to typify the spatial and temporal patterns of occurrence of heterobranch sea slugs. However, “rare” in this context has not been clearly defined. In an attempt to provide more i...

  • Article
  • Open Access
5 Citations
3,804 Views
20 Pages

10 November 2020

Paraseriantheslophantha subsp. lophantha (Leguminosae) is native to southwestern Australia, but has become naturalized in eastern Australia and in countries around the world. Previous studies have investigated the introduction sources for P. lophanth...

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Diversity - ISSN 1424-2818