Anyone know references about the use of nanothecnology in taxonomy and systematic or biodiversity?

31 December 2016 8,813 0 View

How many species have been extinct without has been described taxonomically?

I would like you share with me well known examples or cases of species that disappear (plants or animals) without the official taxonomic description and without receive a scientific names I am...

07 August 2016 9,239 32 View

Anyone know where I could found the news or records about importation of the rabbit Sylvilagus floridanus in Cuba around 1920-1930?

I am following the track of the introduction of the Rabbit Sylvilagus floridanus in Cuba around 1920-1930 for hunting propose, possibly from USA or perhaps from Mexico. Are there some kind of...

06 July 2016 7,287 3 View

Anyone know references about interruption of copula in anolis lizards by other male or the cases in other species?

06 July 2016 5,174 2 View

Do you know examples of some benefic service play for invasive species in ecosystems and biodiversity ?

examples: casuarina and black rat service to ecosystem more that the impact

05 June 2016 9,027 20 View

How can we calculate the sample size for rodents for a particular period of time?

How can we calculate the sample size for rodents for a study for one year? Are there any specific protocols to be followed for designing rodent sampling? How long should be the sampling interval...

01 March 2021 1,056 3 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

What should be the duration of exposure to simulated space environments with Rodents?

Hi, I am currently working on a pilot study to get some data related to the impact of long duration spaceflight to the microbiome and the immune system. I plan to use rats and simulate...

22 February 2021 592 1 View

Any recommendations for methods to analyze elephant space-use (using GPS) and correlating this with changes in NDVI?

For my Masters I am looking into elephant space-use and its effect on vegetation change. I have elephant GPS collar data and was going to use Google Earth Engine to obtain NDVI values. I would...

16 February 2021 7,097 3 View

How do you annotate figures to show significance?

30 January 2021 1,008 3 View

Helicoverpa armigera eggs are not hatching in lab condition, why?

Dear RG friends, I am providing a complete H. armigera diet for larvae and maintaining the eggs in the growth chamber as well as in-room conditions. But since three months, eggs laid from the...

21 January 2021 5,546 32 View

Can't find an ancient zoology paper ?

I'm desperately looking for an old planarian paper which is cited here. Does anyone have an idea how to get hold of it...

21 January 2021 5,957 8 View

Genus name priority from the same publication (Zoology)?

I came across a recent taxonomic work, where two genera were synonymized. Both genera were published in a paper in 1922 by the original author who revised the family at that time. The original...

19 January 2021 1,920 4 View

Which statistical test to use to see if there is a significant difference between the vigilance of bird species at different feeders (in SPSS)?

I have gathered data on bird species visiting 4 hanging feeders in different locations and have calculated the proportion of time they have spent displaying vigilant behaviour while at the feeder....

18 January 2021 9,959 7 View