Total of 1,519 results Filter on subject area
biodiversity
12 downloads
93 views

The American brine shrimp Artemia franciscana is invasive in the Mediterranean region where it has displaced native species (the sexual A. salina, and the clonal A. parthenogenetica) from many salt pond complexes. Artemia populations are parasitized by numerous...

["Biodiversity","Ecology","Parasitology","Zoology"]
doi:10.7717/peerj.1073
60 downloads
371 views

Understanding the role of predators in food webs can be challenging in highly diverse predator/prey systems composed of small cryptic species. DNA based dietary analysis can supplement predator removal experiments and provide high resolution for prey identification....

["Biodiversity","Ecology","Marine Biology","Molecular Biology","Zoology"]
doi:10.7717/peerj.1047
20 downloads
65 views

The Ganges River dolphin (Platanista gangetica gangetica) (GRD) is classified as one of the most endangered of all cetaceans in the world and the second scarcest freshwater cetacean. The population is estimated to be less than 2,000 individuals. In Nepal’s Narayani,...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Conservation Biology","Ecology"]
doi:10.7287/peerj.preprints.1197v1
268 downloads
4,293 views

The land planarian Platydemus manokwari de Beauchamp, 1963 or “New Guinea flatworm” is a highly invasive species, mainly in the Pacific area, and recently in Europe (France). We report specimens from six additional countries and territories: New Caledonia (including...

["Agricultural Science","Biodiversity","Conservation Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.1037
33 downloads
98 views

While prevailing theories of crop evolution suggest that crop diversity and cultural diversity should be linked, empirical evidence for such a link remains inconclusive. In particular, few studies have investigated such patterns on a local scale. Here, we address...

["Agricultural Science","Biodiversity","Genetics"]
doi:10.7287/peerj.preprints.1192v1
24 downloads
82 views

The highlands and mountains of Iceland (defined here as areas located above 400 m a.s.l) are one of the largest remaining wilderness areas in Europe. The present study provides the first comprehensive and up-to-date data on non-native plant species from these wilderness...

["Biodiversity","Biogeography"]
doi:10.7287/peerj.preprints.1165v2
37 downloads
321 views

Adaptation to pollinators is a key factor of diversification in angiosperms. The Caribbean sister genera Rhytidophyllum and Gesneria present an important diversification of floral characters. Most of their species can be divided in two major pollination syndromes....

["Biodiversity","Evolutionary Studies","Genetics","Plant Science"]
doi:10.7717/peerj.1028
27 downloads
295 views

Overgrazing is considered one of the key disturbance factors that results in alpine grassland degradation in Tibet. Grazing exclusion by fencing has been widely used as an approach to restore degraded grasslands in Tibet since 2004. Is the grazing exclusion management...

["Biodiversity","Ecology","Ecosystem Science","Plant Science"]
doi:10.7717/peerj.1020
55 downloads
361 views

Deep sequencing of the viral phoH gene, a host-derived auxiliary metabolic gene, was used to track viral diversity throughout the water column at the Bermuda Atlantic Time-series Study (BATS) site in the summer (September) and winter (March) of three years. Viral...

["Biodiversity","Bioinformatics","Microbiology","Virology"]
doi:10.7717/peerj.997
33 downloads
231 views

Sponge diseases have been widely reported, yet the causal factors and major pathogenic microbes remain elusive. In this study, two individuals of the sponge Crella cyathophora in total that showed similar disease-like characteristics were collected from two different...

["Biodiversity","Ecology","Environmental Sciences","Marine Biology","Microbiology"]
doi:10.7717/peerj.890
51 downloads
367 views

Fisheries bycatch is a significant marine conservation issue as valuable fish are wasted and protected species harmed with potential negative ecological and socio-economic consequences. Even though there are indications that the small-scale handline fishery of...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Ecology","Environmental Sciences","Marine Biology"]
doi:10.7717/peerj.995
105 downloads
454 views

A new parvicursorine alvarezsauroid theropod specimen IVPP V20341 from the Upper Cretaceous Wulansuhai Formation of Bayan Mandahu, Inner Mongolia, China is described. IVPP V20341 appears to be distinguishable amongst alvarezsauroids by possible cervical procoely...

["Biodiversity","Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.986
32 downloads
90 views

The genus Halobates includes the only five insect species that have been successful in a pelagic marine environment. Different scenarios of independent colonization events of that environment have been proposed, considering the appearance of pelagic distribution...

["Biodiversity","Bioinformatics","Entomology","Evolutionary Studies","Marine Biology"]
doi:10.7287/peerj.preprints.1164v1
14 downloads
63 views

For a number of years, the United Nations Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) has collaborated with Dr. Frederic Short (SeagrassNet, University of New Hampshire) and other seagrass experts worldwide to compile a global georeferenced...

["Biodiversity"]
doi:10.7287/peerj.preprints.1161v1
63 downloads
352 views

Malaise trap sampling of Hemiptera (Heteroptera; Auchenorrhyncha) was conducted at 500 m intervals along an elevational gradient from 200 m to 3,700 m on the east slope of Mount Wilhelm, Madang Province, Papua New Guinea. Hemiptera had a decrease in morphospecies...

["Biodiversity","Ecology","Entomology"]
doi:10.7717/peerj.978

Top subject areas - Articles & Preprints

Top subject areas - People

View all subject areas