23 Questions 47 Answers 0 Followers
Questions related from Anton Lyakh
Could someone know, how to translate the diatom name Hyalosira?
07 March 2023 7,726 4 View
Dear diatomists, Can someone could say to which Thalassiosira species this diatom belongs? Or it is not a Thalassiosira? The scale bar is 10 mkm.
18 October 2022 2,832 3 View
I found a published photo where author writes that this is diatom species Hyalosira delicatula. But I have some doubts about such conclusion. Unfortunatedly I do not have any photographs and the...
05 June 2022 972 6 View
In a recent paper I've found SEM photos of a marine diatom (attached) which was identified as Diplomenora cocconeiformis. But one species of the genus Diplomenora (D. cocconeiformis) does not have...
24 May 2022 359 3 View
Hello. I have water and sediment samples collected in freshwater, brackish water and marine water environments. I want to keep these samples for a long time and use them in the future for...
07 November 2021 4,318 11 View
I’ve collected some thousand SEM photographs of diatom specimens and now is thinking of how to “quickly” identify all of them. “Quickly” means that it is necessary to spent some weeks for...
26 March 2020 433 18 View
I'd like to publish some ideas about taxonomical database. This is possible to do in Biodiversity Data Journal or PeerJ, but I need to pay for an article. Does anybody know similar journals...
24 February 2020 7,112 3 View
It looks like the bigest known centric diatom is Ethmodiscus rex, which frustule can be bigger than 1 mm. Do you know the other biggest centric diatom(s)? Which centric diatoms are the smallest?
06 July 2019 3,719 14 View
Dear all, Could you please help to identify this microorganism found in the Black Sea? Its diameter is 15 mkm.
26 February 2018 8,424 11 View
I have found a nice illustration of diatoms algae in PlosOne article. Is it possible to reproduce it in my paper and how, if "yes"?
10 November 2017 1,366 5 View
Dear phytoplanktonologists, Do you know this colonial planktonic diatom? It has been found in Azov Sea in autumn. Is it a Chaetoceros species? It is the only photo I have.
12 March 2017 2,536 3 View
I've found it in Azov Sea in summer.
17 February 2017 8,871 9 View
Dear experts, does that dinoflagellate belongs to Dinophysis caudata? It has typical horn, but very short.
25 January 2017 6,518 5 View
That species have been found in th Black Sea. Are they Dynophysis? What is the species name? Are they belong to one species?
24 January 2017 9,213 4 View
Those dinoflagellates founs in the Black Sea. I think they are Prorocentrum, but could not saythe exact specific name. May be they belong to P. compressum. Does anybody know the specific name of...
24 January 2017 3,350 5 View
Dear diatomists, In many papers I've read about number of areolae in the valve center of Centric diatoms, but I could not understand how to correctly measure them. On the attached image you see...
02 June 2016 5,642 2 View
Thalassiosira spp. differ from Coscinodiscus spp. by the position of foramen - in Thalassiosira it is located on outer side of areolae, in Coscinodiscus on inner. Foramen only seen in SEM. Also...
26 April 2016 2,265 3 View
Hi, I've wrote a program that calculates the normalized elliptic Fourier coefficients of a closed polyline. I used it for a set of polylines and found that some of the polylines differ in...
21 April 2016 6,429 2 View
I have digitized outlines of some exemplars and want to prove that they are belong to two or more different species or constitute one species. I could not place landmarks on outlines therefore...
15 April 2016 5,630 8 View
Dou you know a counting chamber for phytoplankton counting which has the bridge around the inner camera that protect sampled water from evaporation? Dunn chamber and Sedgewick Rafter Cell is what...
24 January 2016 8,499 14 View
Wikipedia (2015) mentioned that in plants Fibonacci phyllotaxis prevails over Lucas one. But I coudn't find any reference to that fact. Do you have one with quantitative estimation of that dominancy?
06 August 2015 9,936 4 View
Which of the following words should be used when one microalgae cell is mentioned? Is there any differences between them?
04 June 2014 4,014 7 View
Many diatoms after division reduce the size of their frustule (MacDonald-Pfitzer rule). What about thecate dinoflagellates (for example, Ceratium species)? How does their size change after division?
29 March 2014 3,873 6 View
