Anybody in the UK require frozen Dreissena polymorpha and Dreissena bugensis (rostiformis) samples?

More Asif Laldin's questions See All

There is no demonstrable evidence of the evolutionary link between genetic similarities and an evolutionary shared past ancestry.?

Please respond to this quote above. This was written to me in response to a discussion on biological species concepts and evolutionary

05 June 2019 3,521 6 View

What are the pitfalls of using RStudio IDE for python as opposed to Sypder?

Are there any issues that arise when using RStudio for Python. Have been using Spyder but for simplicity's sake wanted to keep only one window open.

04 May 2019 4,399 1 View

Could somebody please provide me with a link or an .R script explaining how to align a FASTA file using MUSCLE in R?

An R script or a link to sample code would be highly appreciated.

11 December 2018 8,284 0 View

What is/are some empirically backed evidence/arguments against Murray and Hernstein's 'The Bell Curve,'?

Trying to find papers that have effectively refuted any arguments put forward in the book.

06 July 2018 1,826 0 View

What are some methods to presenting haplotypes without using graphical networks?

As some of the samples are incredibly diverse they do not allow for a clear, concise and legible haplotype network. Would it be appropriate to create a histogram of haplotype frequency. While...

06 July 2018 8,625 6 View

Will R or Python allow me to pull DNA sequences from NCBI alongside data such as location and date published?

Is there a way to automate such a process whilst having all the additional data of the sequence stored in a nice legible manner?

05 June 2018 2,688 4 View

How to export High quality Haplotype Network Image in R?

I have previously used DnaSP -> NEXUS file -> PopART which produced high quality outputs and the ability to move the network and placed in a way you so desire. However, creating nexus files...

05 June 2018 380 3 View

Do you think the emphasis placed on novelty of research by journals is inherently problematic?

This was sparked by a quote I read ' The way that scientific publishing fetishizes novelty is gross. That's the business model of tabloids, not scientific journals. ' -Ed young

05 June 2018 2,729 6 View

How can graphics outputs for Arelquin and R (R Lequin) be produced in grayscale?

Is there an option to have non-coloured outputs?

05 June 2018 1,156 0 View

For diagnostic PCRs does the targeting of indels hold more discriminatory power and specificity than targeting SNPs or other base pair variation?

Does anybody have any direct experience of this or know of any studies which have compared to two targeting methods of PCRs?

05 June 2018 217 3 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

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 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

Are there SDMs that can take in percentage data?

Hi everyone, I am wondering if anyone knows of a species distribution model that can take in percentage data (i.e. presence data with prevalence values attached to them)? The dataset I have...

18 February 2021 7,312 3 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 to consider effects of rapid warm adaptation in modeling of ecological impacts of warming?

I would highly appreciate it if my fellow ecologists (biologists) provide their opinion on the thoughts below [esp., shortly tell us which path may be more effective, if they know another way, if...

15 February 2021 3,642 6 View

Is it possible estimating environmental conditions with a Bayesian approach?

In ecology specific species can be used to get an indication/estimation of the environmental conditions. A simplistic example, lets assume I find a pike (Esox lucius). We know this species does...

01 February 2021 10,034 4 View

What is the magnitude of yearly rhizopdeposition in tropical forests?

Hi all, I am trying to find reference values on annual soil rhizodeposition rates for different kinds of forests, with a particular interest for tropical rainforests. Do we have an idea of the...

26 January 2021 4,278 4 View

Can you recommend a good book on analytical chemistry for non-chemists?

Dear colleagues, I am asking for you recommendation: I need a book on analytical chemistry in environmental sciences. As a non-chemist (a biologist) I have some basic chemistry knowledge but not...

25 January 2021 8,486 8 View