Peer-reviewed Articles

10 downloads
56 views

China consumes more than one-third of the world’s nitrogen (N) fertilizer, and an increasing amount of N fertilizer has been applied over the past decades. Although N fertilization can increase the carbon sequestration potentials of cropland in China, the quantitative...

["Agricultural Science","Soil Science","Biogeochemistry"]
doi:10.7717/peerj.5983
10 downloads
50 views

The Yongjiang river is a large, shallow, hyper-trophic, freshwater river in Guangxi, China. To investigate the presence of microcystin-RR, microcystin-LR, and microcystin-YR (MC-RR, MC-LR, and MC-YR) in the Yongjiang river and describe their correlation with environmental...

["Ecotoxicology","Environmental Impacts"]
doi:10.7717/peerj.5955
21 downloads
155 views

Infectious diseases can alter the demography of their host populations, reducing their viability even in the absence of mass mortality. Amphibians are the most threatened group of vertebrates globally, and emerging infectious diseases play a large role in their...

["Conservation Biology","Ecology","Zoology","Freshwater Biology","Population Biology"]
doi:10.7717/peerj.5949
15 downloads
138 views

Background Biocrusts, communities dominated by mosses, lichens, cyanobacteria, and other microorganisms, largely affect the carbon cycle of drylands. As poikilohydric organisms, their activity time is often limited to short hydration events. The photosynthetic...

["Ecology","Soil Science","Climate Change Biology"]
doi:10.7717/peerj.5904
37 downloads
279 views

The vertebrate fauna of the Late Cretaceous Mussentuchit Member of the Cedar Mountain Formation has been studied for nearly three decades, yet the fossil-rich unit continues to produce new information about life in western North America approximately 97 million...

["Biodiversity","Biogeography","Paleontology","Taxonomy"]
doi:10.7717/peerj.5883
11 downloads
68 views

T1 Lipase is a thermostable secretary protein of Geobacillus zalihae strain previously expressed in a prokaryotic system and purified using three-step purification: affinity 1, affinity 2, and ion exchange chromatography (IEX). This approach is time consuming and...

["Biochemistry","Computational Biology"]
doi:10.7717/peerj.5833
11 downloads
78 views

Multiplex bead assays are an extension of the commonly used sandwich ELISA. The advantage over ELISA is that they make simultaneous evaluation of several analytes possible. Several commercial assay systems, where the beads are acquired on a standard flow cytometer,...

["Immunology","Computational Science"]
doi:10.7717/peerj.5794
13 downloads
84 views

Objective A putative relationship between markers for the serotonin system and the personality scale self-transcendence (ST) and its subscale spiritual acceptance (SA) has been demonstrated in a previous PET study of 5-HT1A receptor binding in healthy control subjects....

["Biochemistry","Neuroscience","Psychiatry and Psychology","Statistics"]
doi:10.7717/peerj.5790
13 downloads
127 views

Repetitive saccades benefit memory when executed before retrieval, with greatest effects for episodic memory in consistent-handers. Questions remain including how saccades affect scene memory, an important visual component of episodic memory. The present study...

["Neuroscience","Psychiatry and Psychology"]
doi:10.7717/peerj.5969
18 downloads
125 views

The current study tested the hypothesis that voluntary activation during maximal voluntary contraction (MVC) conditionally depends on sex and joint action. Twenty-eight healthy adults (14 of each sex) performed knee extensor MVC and plantar flexor MVC at extended...

["Anatomy and Physiology","Kinesiology"]
doi:10.7717/peerj.5968
53 downloads
247 views

Background Piramys auffenbergi was described as an emydine turtle based on a well-preserved skull retrieved from late Miocene deposits exposed on Piram Island, India. The description and figures provided in the original publication are vague and do not support...

["Paleontology","Taxonomy"]
doi:10.7717/peerj.5938
14 downloads
111 views

Abstract There is little evidence on maternal consumption of supplementary food on nutritional status of children. The objectives of this study were to measure the prevalence and determinants of supplementary food intake during pregnancy and lactation, and their...

["Global Health","Nutrition","Public Health","Women's Health"]
doi:10.7717/peerj.5935
29 downloads
307 views

Paternity uncertainty has proven to be a robust ultimate hypothesis for predicting the higher investment in grandchildren observed among maternal grandparents compared to that of the paternal grandparents. Yet the proximate mechanisms for generating such preferred...

["Evolutionary Studies","Psychiatry and Psychology"]
doi:10.7717/peerj.5924
22 downloads
216 views

Closely related species with overlapping geographic ranges encounter a significant challenge: they share many ecological traits and preferences but must partition resources to coexist. In Ontario, potentially eleven species of carrion beetles (Coleoptera: Silphidae)...

["Animal Behavior","Biodiversity","Ecology","Entomology","Evolutionary Studies"]
doi:10.7717/peerj.5829
15 downloads
95 views

Salt marshes are highly effective carbon (C) sinks and bury more C per square meter annually than any other ecosystem. Reclamation and anthropogenic impacts, however, have resulted in extensive losses of salt marshes. Carbon credits can be generated and sold by...

["Ecosystem Science","Soil Science","Biogeochemistry"]
doi:10.7717/peerj.5659

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