15 downloads
164 views

Low-frequency urban noise can interfere with avian communication through masking. Some species are able to shift the frequency of their vocalizations upwards in noisy conditions, which may reduce the effects of masking. However, results from playback studies investigating...

["Animal Behavior","Ecology","Zoology"]
doi:10.7717/peerj.3257
69 downloads
504 views

Background As one of the highest forest ecosystems in the world, Polylepis forests are recognized both as center of endemism and diversity along the Andes and as an ecosystem under serious threat from habitat loss, fragmentation, and climate change due to human...

["Biodiversity","Conservation Biology","Ecology"]
doi:10.7717/peerj.3220
8 downloads
132 views

Background Melolonthinae beetles, comprising different white grub species, are a globally-distributed pest group. Their larvae feed on roots of several crop and forestry species, and adults can cause severe defoliation. In New Zealand, the endemic scarab pest Costelytra...

["Animal Behavior","Ecology","Entomology","Zoology"]
doi:10.7717/peerj.3213
12 downloads
115 views

Floating leaf blades of waterlilies fulfill several functions in wetland ecosystems by production, decomposition and turnover as well as exchange processes. Production and turnover rates of floating leaf blades of three waterlily species, Nuphar lutea (L.) Sm.,...

["Aquaculture, Fisheries and Fish Science","Ecology","Ecosystem Science","Plant Science"]
doi:10.7717/peerj.3212
10 downloads
103 views

We determined the environmental requirements leading to germination by three common species found during the summer rainy season in a peri-urban site where construction of a university campus was underway. In particular, we evaluated laboratory responses to low-temperature...

["Agricultural Science","Biodiversity","Ecology","Plant Science","Soil Science"]
doi:10.7287/peerj.preprints.2950v1
27 downloads
119 views

Background Dinoflagellate cysts (i.e., dinocysts) are biologically and ecologically important as they can help dinoflagellate species survive harsh environments, facilitate their dispersal and serve as seeds for harmful algal blooms. In addition, dinocysts derived...

["Biodiversity","Ecology","Environmental Sciences","Marine Biology"]
doi:10.7717/peerj.3224
72 downloads
353 views

Grape sour (bunch) rot is a polymicrobial disease of vineyards that causes millions of dollars in lost revenue per year due to decreased quality of grapes and resultant wine. The disease is associated with damaged berries infected with a community of acetic acid...

["Agricultural Science","Ecology","Entomology","Microbiology","Mycology"]
doi:10.7717/peerj.3223
49 downloads
429 views

Given the rapid population decline and recent petition for listing of the monarch butterfly (Danaus plexippus L.) under the Endangered Species Act, an accurate estimate of the Eastern, migratory population size is needed. Because of difficulty in counting individual...

["Conservation Biology","Ecology","Entomology","Mathematical Biology"]
doi:10.7717/peerj.3221
23 downloads
148 views

In birds, the environmental variables and intrinsic characteristics of the nest have important fitness consequences through its influence on the selection of nesting sites. However, the extent to which these variables interact with variables that operate at the...

["Animal Behavior","Ecology"]
doi:10.7717/peerj.3182
31 downloads
268 views

The loggerhead sea turtle (Caretta caretta, Linnaeus, 1758) is the most abundant sea turtle species in the Mediterranean Sea, where commercial fishing appears to be the main driver of mortality. So far, information on sea turtle bycatch in Italy is limited both...

["Fisheries and Fish Science","Biodiversity","Conservation Biology","Ecology","Marine Biology"]
doi:10.7717/peerj.3151
15 downloads
186 views

Trichogramma wasps are tiny parasitoids of lepidopteran eggs, used extensively for biological control. They are often infected with the bacterial symbiont Wolbachia, which converts Trichogramma to an asexual mode of reproduction, whereby females develop from unfertilized...

["Ecology","Entomology","Evolutionary Studies","Microbiology"]
doi:10.7287/peerj.preprints.2943v1
40 downloads
187 views

Dog snapper (Lutjanus jocu Bloch and Schneider 1801) and mahogany snapper (Lutjanus mahogoni Cuvier 1828) are infrequently caught snappers in the southeastern U.S. primarily occurring off of southern Florida. The species were opportunistically sampled from commercial...

["Aquaculture, Fisheries and Fish Science","Ecology","Marine Biology"]
doi:10.7717/peerj.3167
51 downloads
263 views

Background The Australian redclaw crayfish (Cherax quadricarinatus, von Martens), is native to Australasia, but has been widely translocated around the world due to aquaculture and aquarium trade. Mostly as a result of escape from aquaculture facilities, this species...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Ecology","Zoology"]
doi:10.7717/peerj.3135
93 downloads
351 views

The widespread African clawed frog (Xenopus laevis) occurs in sympatry with the IUCN Endangered Cape platanna (Xenopus gilli) throughout its entire range in the south-western Cape, South Africa. In order to investigate aspects of the interspecific competition between...

["Aquaculture, Fisheries and Fish Science","Ecology","Zoology"]
doi:10.7717/peerj.3130
30 downloads
158 views

Primary production due to photosynthesis results in daytime oxygen production across marine and freshwater ecosystems. However, a prevalent, globally-occurring nighttime spike in dissolved oxygen (DO) challenges our traditional assumption that oxygen production...

["Biochemistry","Ecology","Ecosystem Science","Environmental Sciences","Marine Biology"]
doi:10.7287/peerj.preprints.2935v1

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