How can I perform Phylogenetic Principle Component Analysis (pPCA) on my data?

How can I perform Phylogenetic Principle Component Analysis (pPCA) on my data, using phylogenetic trees with branch lengths, using R? I have 22 species with their phylogenetic tree and 14 traits...

07 August 2018 7,224 3 View

How can I measure the residual of the trait values?

I want to compare evolution rate between two set of data (morphological and reproductive traits) because the values of the reproductive traits is very small in compare with morphological traits...

04 May 2017 2,016 2 View

Has anyone got GARLI software, for phylogenetic analysis?

06 July 2016 9,867 0 View

Can any one help me to solve the below error in R (ape)?

03 April 2016 3,181 2 View

Hi everyone, I need to use PGLS, for studying evolution of Platycheirus spp.?

02 March 2016 8,544 2 View

How can I study the evolutionary relationships among a 22 species of insects of the same genus?

hello everyone ! I got a question about trait evolution analysis.I have COI (Cytochrome oxidase I) DNA sequences for all species, and I have excel sheet for all morphological characters for all...

02 March 2016 928 10 View

I need to use R software (ape package) for studying biological evolution of Platycheirus sp. ?

I have the DNA sequence of 20 species, and the data for all characters of these species like (thorax volume, proboscis length, wings and legs length, abdomen length, ........ect), my question is...

01 February 2016 5,708 3 View

I every one, I have some sequences in notepad format, I need to build tree from it, anybody know how can I change it to Fasta format?

hi every one

31 December 2015 5,662 0 View

What is the best way for estimating evolution rate between morphological and reproductive characters?

01 January 1970 5,943 6 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Can Ethovision store the generated data and video recordings directly to NAS system?

The size of data generated by Ethovision is huge. Having NAS system for data storage seems to be a good option, I am wondering whether Ethovision can directly store the data to the NAS system...

27 February 2021 6,350 2 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View