Preprints (not yet peer-reviewed)

2 downloads
40 views

A salivary gland salivation stimulating peptide was identified from the salivary glands of the migratory locust by its ability to stimulate cAMP production in the same tissue. The gene coding for this peptide has recently been shown to code for a precursor consisting...

["Agricultural Science","Biochemistry","Entomology","Neuroscience","Zoology"]
doi:10.7287/peerj.preprints.2940v1
218 downloads
1,163 views

1. Stable isotope analysis is a widely used tool for the reconstruction and interpretation of animal diets and trophic relationships. Analytical tools have improved the robustness of inferring the relative contribution of different prey sources to an animal’s diet...

["Computational Biology","Ecology","Ecosystem Science","Zoology","Statistics"]
doi:10.7287/peerj.preprints.1950v3
14 downloads
81 views

Measurements of historical specimens are widely applied in studies of taxonomy, systematics, and ecology, but biologists often assume that the effects of preservative chemicals on the morphology of amphibian specimens do not affect their analyses. We compared the...

["Zoology"]
doi:10.7287/peerj.preprints.2930v1
15 downloads
156 views

Background. With their Pan-American distribution, long-nosed armadillos (genus Dasypus) constitute an understudied model for Neotropical biogeography. This genus currently comprises seven recognized species, the nine-banded armadillo (D. novemcinctus) having the...

["Evolutionary Studies","Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.2923v1
21 downloads
171 views

Background. The systematics of long-nosed armadillos (genus Dasypus) has been mainly based on a handful of external morphological characters and classical measurements. Here, we studied the pattern of morphological variation in the skull of long-nosed armadillos...

["Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.2924v1
11 downloads
120 views

Radio telemetry is a common tool to monitor animals in many ecosystems. Radio telemetry, or radio tracking, typically uses a tag or collar with a radio transmitter attached to an animal that is monitored by researchers with a receiver. This technique is used for...

["Biodiversity","Conservation Biology","Ecology","Zoology"]
doi:10.7287/peerj.preprints.2922v1
98 downloads
609 views

Spinosaurids (Diapsida: Spinosauridae) and sphenacodontids (Synapsida: Sphenacodontidae) share not only a characteristic tall neural spines, but also an atypical – compared to their close respective relatives – ecology, i.e. apparently piscivorous and possibly...

["Ecology","Evolutionary Studies","Paleontology","Zoology"]
doi:10.7287/peerj.preprints.2917v1
84 downloads
309 views

The use of online data repositories and the establishment of new data standards that require data to be computer-parsable so that algorithms can reason over them have become increasingly important with the emergence of high-throughput technologies, Big Data and...

["Biodiversity","Bioinformatics","Computational Biology","Zoology","Computational Science"]
doi:10.7287/peerj.preprints.2429v2
45 downloads
346 views

New records of the Oligo-Miocene mekosuchine crocodilian, Baru, from Queensland and the Northern Territory are described. B. wickeni and B. darrowi are accepted as valid species in the genus and their diagnoses are revised. Both species are present in Queensland...

["Biodiversity","Biogeography","Paleontology","Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.2909v1
37 downloads
157 views

Phylogenetic inference based on evidence from DNA sequences has led to significant strides in the development of a stable and robustly supported framework for the vertebrate tree of life. To date, the bulk of those advances have relied on sequence data from a small...

["Aquaculture, Fisheries and Fish Science","Evolutionary Studies","Zoology"]
doi:10.7287/peerj.preprints.2903v1
70 downloads
252 views

The morphology and affinities of newly discovered disc-shaped soft-bodied fossils from the early Cambrian (Series 2: Stage 4, Dyeran) Carrara Formation are discussed. These specimens show some similarity to the Ordovician Discophyllum Hall, 1847; traditionally...

["Paleontology","Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.2706v2
176 downloads
965 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
20 downloads
105 views

Background. Sturnira is one of the most species-richness in the Neotropic, and it is found from Mexico, Lesser Antilles to Argentina. Genus forms a well-supported monophyletic clade with at least twenty-one recognized species, and several under taxonomic review....

["Ecology","Genetics","Molecular Biology","Zoology"]
doi:10.7287/peerj.preprints.2886v1
22 downloads
145 views

Locusts are famous for its excellent jumping performance. Jumping helps locusts avoid predators and initiate flight. In this paper, high-speed videos are recorded to analyze the jumping performance of Locusta migratoria Linnaeus from ground with different roughness....

["Animal Behavior","Mathematical Biology","Zoology"]
doi:10.7287/peerj.preprints.2877v1
34 downloads
85 views

This paper focus a rare case of natural disappearance of feral pigs (Sus scrofa) in an extensive area without using traditional methods of eradication programs. The study was conducted both in the Private Reserve of Natural Heritage (PRNH) Sesc Pantanal and in...

["Conservation Biology","Ecology","Zoology"]
doi:10.7287/peerj.preprints.2876v1
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