Preprints (not yet peer-reviewed)

2 downloads
24 views

DNA extracted from feces (human and bovine) and water samples was used for the massive pyrosequencing of the hypervariable V3 region of the 16S rRNA gene, revealing 4296 operational taxonomic units (OTUs). The greatest diversity was observed in samples of cattle...

["Biodiversity","Environmental Sciences","Genomics","Microbiology"]
doi:10.7287/peerj.preprints.2992v1
46 downloads
273 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.2935v2
32 downloads
131 views

The use of multiple sampling areas in landscape genetic analysis has been recognized as a useful way to generalize the patterns of environmental effects on gene flow. It allows reducing the variability of inference, accounting for multiple scales and locations...

["Entomology","Environmental Sciences","Molecular Biology"]
doi:10.7287/peerj.preprints.2968v1
26 downloads
151 views

Texas is the second largest state in the United States of America, and the largest state in the contiguous USA at nearly 700,000 sq. km. Several Texas bumble bee species have shown evidence of declines in portions of their continental ranges, and conservation initiatives...

["Ecology","Ecosystem Science","Entomology","Environmental Sciences"]
doi:10.7287/peerj.preprints.2932v1
18 downloads
373 views

Algae with potential biotechnological applications in different industries are commonly isolate from the environment in order to obtain pure (axenic) stocks that can be safely stored for long periods of time. To obtain axenic cultures, antibiotics are frequently...

["Aquaculture, Fisheries and Fish Science","Environmental Sciences"]
doi:10.7287/peerj.preprints.2881v2
36 downloads
121 views

Neonicotinoid are the most commonly used class of insecticides. Between 2005 and 2010 neonicotinoid use in the USA and UK more than doubled. Anecdotal evidence suggests similar trends exist in New Zealand, where neonicotinoid seed coatings are now often applied...

["Agricultural Science","Environmental Sciences","Toxicology"]
doi:10.7287/peerj.preprints.2919v1
45 downloads
234 views

Microplastics are widespread throughout oceans and seas and beaches are no exceptions. On beach sediments, microplastics (<5mm) are commonly prevalent over macroplastics (>5mm), where fragments of larger items are sampled in greater amounts. The occurrence and...

["Environmental Sciences"]
doi:10.7287/peerj.preprints.2901v1
779 downloads
560 views

This paper presents a novel assay that allows a quick and robust assessment of the effects of biocides on the initial settling and establishment of marine photoautotrophic biofilms. The assay integrates the response of the multitude of indigenous fouling organisms,...

["Environmental Sciences","Marine Biology","Microbiology","Taxonomy","Toxicology"]
doi:10.7287/peerj.preprints.240v3
31 downloads
120 views

Chemical pollution was monitored and assessed along the Swedish west coast. 62 of 172 analyzed organic chemicals were detected in the water phase of at least one of five monitored sites. A Concentration Addition based screening-level risk assessment indicates that...

["Environmental Sciences","Toxicology"]
doi:10.7287/peerj.preprints.2894v1
28 downloads
179 views

Atrazine is a widely used herbicide developed for use in range and pastureland. It is present in many surface waters, contaminating nontarget organisms due to its persistence. In this study, the effects of acute exposure to atrazine on retinoid signaling were investigated...

["Aquaculture, Fisheries and Fish Science","Environmental Sciences","Toxicology"]
doi:10.7287/peerj.preprints.2880v2
208 downloads
1,067 views

1) DNA metabarcoding holds great promise for the assessment of macroinvertebrates in stream ecosystems. However, few large-scale studies have compared the performance of DNA metabarcoding with that of routine morphological identification. 2) We performed metabarcoding...

["Biodiversity","Environmental Sciences","Molecular Biology","Zoology","Science Policy"]
doi:10.7287/peerj.preprints.2759v3
27 downloads
220 views

Registration dossiers for 11678 industrial chemicals were retrieved from the database of the European Chemicals Agency, of which 3566 provided a numerical entry for the corresponding predicted no effect concentration for the freshwater environment (PNEC). A distribution-based...

["Agricultural Science","Environmental Sciences"]
doi:10.7287/peerj.preprints.2785v2
13 downloads
119 views

The study of the past, present, and future state and dynamics of the tropical natural forest cover (NFC) might help to better understand the pattern of deforestation and fragmentation as well as the influence of social and natural processes. The obtained information...

["Biodiversity","Conservation Biology","Ecology","Environmental Sciences","Soil Science"]
doi:10.7287/peerj.preprints.2884v1
121 downloads
499 views

Background: This paper deals with a non-conventional approach called PCSM model. It was developed to aid in horizontal expansion of aquaculture through utilization of unmanaged ponds for modified extensive aquaculture. This model applies to small lentic water bodies...

["Agricultural Science","Aquaculture, Fisheries and Fish Science","Environmental Sciences"]
doi:10.7287/peerj.preprints.2856v1
47 downloads
195 views

1. Camera loggers are increasingly used to examine behavioural aspects of free-ranging animals. However, often video loggers are deployed with a focus on specific behavioural traits utilizing small cameras with a limited field of view, poor light performance and...

["Animal Behavior","Ecology","Environmental Sciences","Marine Biology","Zoology"]
doi:10.7287/peerj.preprints.2765v2
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