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Total of 133 results See all subject areas
biogeography

The Eurasian or spotted nutcracker (Nucifraga caryocatactes) is a widespread resident corvid found throughout the Palearctic from Central Europe to Japan. Characterized by periodic bouts of irruptive dispersal in search of Pinus seed crops, this species has potential...

["Biogeography","Ecology","Evolutionary Studies"]
doi:10.7287/peerj.preprints.319v1

Wing pigmentation in Calopteryx damselflies, caused by the deposition of melanin, is energetically expensive to produce and enhances predation risk. However, patterns of melanisation are used in species identification, greater pigmentation is an accurate signal...

["Animal Behavior","Biogeography","Ecology","Entomology","Evolutionary Studies"]
doi:10.7287/peerj.preprints.316v1

The abundance and species richness of the cartilaginous fish community of the continental shelf and slope off central Chile is described, based on fishery-independent trawl tows made in 2006 and 2007. A total of 194,705 specimens comprising 20 species (9 sharks,...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Biogeography","Ecology","Marine Biology"]
doi:10.7287/peerj.preprints.298v1

Urban exploiters and adapters are often coalesced under a term of convenience as ‘urban tolerant’. This useful but simplistic characterisation masks a more nuanced interplay between and within assemblages of birds that are more or less well adapted to a range of...

["Biodiversity","Biogeography","Ecology","Coupled Natural and Human Systems"]
doi:10.7717/peerj.306

During the period of March 2004 to December 2007, samples of aerial litter (dead but still attached plant parts) and ground litter (dead plant material on the ground) were collected from 81 study sites representing a wide range of latitudes (34°S to 50°S) and a...

["Biogeography","Ecology","Microbiology"]
doi:10.7717/peerj.296

Excavations and studies of existing collections during the last decades have significantly increased the abundance as well as the diversity of the avian fossil record for Insular Southeast Asia. The avian fossil record covers the Eocene through the Holocene, with...

["Biogeography","Ecology","Paleontology","Zoology"]
doi:10.7717/peerj.295

Nurse plant facilitation is a commonly reported plant–plant interaction and is an important factor influencing community structure in stressful environments. Cushion plants are an example of alpine nurse plants that modify microclimatic conditions within their...

["Biodiversity","Biogeography","Ecology","Ecosystem Science","Plant Science"]
doi:10.7717/peerj.265

Urban exploiters and adapters are often coalesced under a term of convenience as ‘urban tolerant’. This useful but simplistic characterisation masks a more nuanced interplay between and within assemblages of birds that are more or less well adapted to a range of...

["Biodiversity","Biogeography","Ecology"]
doi:10.7287/peerj.preprints.156v3

During the period of March 2004 to December 2007, samples of aerial litter (dead but still attached plant parts) and ground litter were collected from study sites representing a wide range of latitudes (34° S to 50° S) and a variety of different types of habitats...

["Biogeography","Ecology","Microbiology"]
doi:10.7287/peerj.preprints.136v2

Aim. Throughout evolutionary history, plants and animals have evolved alongside one another. This is especially apparent when considering mutualistic relationships such as between plants with extra-floral nectaries (EFNs, glands on leaves or stems that secrete...

["Biodiversity","Biogeography","Ecology"]
doi:10.7717/peerj.219

Five species of migratory thrushes (Turdidae) occupy a transcontinental distribution across northern North America. They have largely overlapping breeding ranges, relatively similar ecological niches, and mutualistic relationships with northern woodland communities...

["Biogeography","Ecology","Evolutionary Studies","Genetics","Zoology"]
doi:10.7717/peerj.206

Abstract: Intercontinental dislocations between tropical regions harboring two-thirds of the flowering plants have always drawn attention from taxonomists and bio-geographers. The focus had always been on woody land plants rather than on herbs. Orchidaceae is one...

["Biodiversity","Biogeography","Bioinformatics","Evolutionary Studies","Taxonomy"]
doi:10.7287/peerj.preprints.94v1

Since Darwin’s time, waterbirds have been considered an important vector for the dispersal of continental aquatic invertebrates. Bird movements have facilitated the worldwide invasion of the American brine shrimp Artemia franciscana, transporting cysts (diapausing...

["Biogeography","Ecology","Evolutionary Studies"]
doi:10.7717/peerj.200

A central tenet of ecology and biogeography is that the broad outlines of species ranges are determined by climate, whereas the effects of biotic interactions are manifested at local scales. While the first proposition is supported by ample evidence, the second...

["Biodiversity","Biogeography","Computational Biology","Ecology","Mathematical Biology"]
doi:10.7287/peerj.preprints.82v1

Since Darwin’s time, waterbirds have been considered an important vector for the dispersal of continental aquatic invertebrates. Bird movements have facilitated the worldwide invasion of the American brine shrimp Artemia franciscana, transporting cysts (diapausing...

["Biogeography","Ecology","Evolutionary Studies"]
doi:10.7287/peerj.preprints.79v1

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