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Multiple and ancient origins of the domestic dog.
Sequences from both dogs and wolves showed considerable diversity and supported the hypothesis that wolves were the ancestors of dogs, suggesting that dogs originated more than 100,000 years before the present.
Mitochondrial DNA phylogeography and population history of the grey wolf Canis lupus
The results suggest that fluctuating population sizes during the late Pleistocene have left a genetic signature on levels of variation in both species, and a statistical parsimony analysis indicates local genetic structure that suggests recent restricted gene flow.
Extinction debt on oceanic islands
Habitat destruction is the leading cause of species extinctions. However, there is typically a time-lag between the reduction in habitat area and the eventual disappearance of the remnant…
Comparison of Bacterial Diversity in Azorean and Hawai'ian Lava Cave Microbial Mats
- J. Hathaway, Matthew G. Garcia, D. Northup
- Environmental ScienceGeomicrobiology journal
- 30 January 2014
Comparisons among the extensive bacterial diversity found in lava caves in two geographically separate locations are revealed, for the first time, and contribute to the current debate on the nature of microbial biogeography.
Ranking protected areas in the Azores using standardised sampling of soil epigean arthropods
Nineteen areas in seven of the nine Azorean islands were evaluated for species diversity and rarity based on soil epigean arthropods. Fifteen out of the 19 study areas are managed as Natural Forest…
Oceanic island biogeography through the lens of the general dynamic model: assessment and prospect
- M. K. Borregaard, I. Amorim, R. Whittaker
- Environmental ScienceBiological reviews of the Cambridge Philosophical…
- 1 May 2017
This work focuses on four main themes: macroecological tests using a space‐for‐time rationale; extensions of theory to islands following different patterns of ontogeny; the implications of GDM dynamics for lineage diversification and trait evolution; and the potential for downscaling G DM dynamics to local‐scale ecological patterns and processes within islands.
Using taxonomically unbiased criteria to prioritize resource allocation for oceanic island species conservation
- José L. Martín, P. Cardoso, Enésima P. Mendonça
- Environmental ScienceBiodiversity and Conservation
- 27 February 2010
Oceanic islands have been the grand stage of documented extinctions. In view of limited resources, efficient prioritization is crucial to avoid the extinction of taxa. This work lists the top 100…
Cave microbial community composition in oceanic islands: disentangling the effect of different colored mats in diversity patterns of Azorean lava caves.
Colored microbial mats in 14 volcanic caves from two oceanic islands of the Azores were characterized using 16S rRNA gene sequences, suggesting a dominance of cosmopolitan OTUs in most samples, as well as environmental and chemical characteristics of caves.
Dispersal ability determines the scaling properties of species abundance distributions: a case study using arthropods from the Azores
Data on arthropods is used to test predictions obtained with computer simulations on whether dispersal ability influences the rate of change of SADs as a function of sample size and to characterize the change of the shape of the SAD.