How is CaCo3 produced in photosynthetic marine organisms?

Like other groups of marine organisms such as coral reefs, the calcareous algae assimilate HCO3 to precipitate CaCO3 in their tissues in order to build their resistant biological structures....

03 April 2018 4,896 0 View

I need help with R urgently?

I need to download the adespatial package, but the connection with the server is giving me problems and I am halfway stuck. I can download it manually but it has many add-ons that it is very...

02 March 2018 9,938 0 View

How to graph the components of the beta.div.com function of the adespatial package?

I need to make a triangular graph, I calculated the different parameters of the beta diverity using the beta.div.comp function of the adespatial package, but I do not know how to do the...

02 March 2018 1,593 1 View

How to make triangular graphics in R?

with the adespatial package, function beta.div.com, I found the components of beta diversity, but how do I graph that in a triangular graph ?. Any suggestions, Thanks

02 March 2018 1,119 0 View

Can someone identify this?

It was found on the surface of a Halimeda sp. in a shallow and rocky area. It was not strongly attached to the food but did not fall after washing with running water. Someone has seen something...

01 February 2018 9,077 2 View

Is there any report of fungi or endophytic bacteria causing diseases in algae or macroalgae meadows or marine ecology?

How can one identify the affectations in algae produced by parasites? How can we identify the effects on algae caused by fungi?

01 February 2018 9,576 2 View

Is ecological modeling possible at different spatial resolutions?

Sometimes when it comes to modeling it is necessary to compare layers from several sites and define which is the best. There are also cases in which we need layers from several sites because they...

31 December 2017 4,986 1 View

How much does a biologist know about signal processing, machine learning, and (theoretical) computer science?

I saw this questions and I need opinions about this!!! How much does a biologist know about signal processing, machine learning, and (theoretical) computer science?Anyway, given a typical PhD...

01 January 1970 3,900 3 View

Micro-Computed Tomography is a advance for underestend the life?

01 January 1970 8,470 2 View

Journals removed from JCR by high levels of self-citation and by concentration of citations between journals

This year, Clarivate Analytics, the editors of the Journal Citation Reports (JCR), deleted 20 journals, 14 for high levels of self-citation and six for the stacking of citations, a pattern...

01 January 1970 2,162 5 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Reliable and Valid Instrument for Causes of Medical Errors?

Is there any questionnaire/survey that measures the causes of medical errors? Example: physician negligence vs. systemic issues. Looking for a reliable and validated instrument. Thank you!

15 February 2021 2,874 4 View

How do I categories into groups on SPSS?

I am using the 'Revised Cyber Bullying Inventory'. This instrument has 2 sub-scales (bully scale and victim scale). From the responses, they will be divided into 4 groups (pure cyberbullies, pure...

13 February 2021 5,787 4 View

Which is the best wavelength to study aerosol optical depth(AOD) related to climate reseach,which criteria must be adopted in choosing the wavelengh?

We are doing a study on impact of aerosol on precipitation. Which satellite data and which wavelength will be the best. or can some one suggest a criteria to be adopted to choose an instrument...

12 February 2021 6,324 3 View

How to correctly reference instruments in systematic review following APA?

Hello, I am running into an issue and do not know how to cite / reference correctly here. APA states that instruments and measurements need to be referenced with the author's name. At the same...

11 February 2021 9,523 3 View

What is the structure of a photon that can describe the interference experiments that reject the wave nature of light?

De Broglie's double-solution postulated a causal model of Quantum Mechanics. Knowledge of the photon structure was needed to model the particle part of the cause of the Double Slit interference...

11 February 2021 6,869 5 View

Rousseau Psychological Contract instrument?

Hi, I would appreciated if someone who's studying the Psychological contrat could help me about this questionnaire : My question is the following : Is someone can help me identify how wich...

09 February 2021 9,162 3 View

Handheld Portable Raman spectroscopy systems - recommendations and experience?

Hi all, I am looking for some general feedback and information from those that have experience using handheld/portable systems? I am looking at the prospects of using an off the shelf system from...

07 February 2021 9,691 3 View