Can anybody recommend zooplankton copepoda purification equipment and mass culture methods?

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How does the Vorticella spp. colony count?

Vorticella spp. are the species of protozoa (cilliate) exist in rivers as well as reservoirs , often attache at stalks in a patch. well, is it count by individual or path? (How many is the patch?)

19 June 2021 4,223 2 View

Error while installing gromacs?

Hello all I was trying to install gromacs 2019 in an non-standard. but i countered this error: /usr/lib/gcc/x86_64-linux-gnu/5/include/mwaitxintrin.h(36): error: identifier...

16 June 2020 4,131 5 View

How do I generate topology of many ligands which are not coonected all of them ,for gromacs?

Hi. I want to do simulate via gromacs for ligand- protein complex which there is 9 ligands (three of them are seperated and six of them are connected together(picture in Add files). when I used...

14 January 2020 5,886 5 View

Can anyone advice how to troubleshoot segmentation fault (core dumped) during NVT equilibration stage of ligand- protein simulation?

Hi. I am using gromose 54a7 force-field and Gromacs package to simulate a protein-ligand complex.it writes pdbs for steps. Maximum force = 8.3529562e+04 But in the NVT equilibration step, the...

16 December 2019 8,551 2 View

May I request you to identify the species of the copepod?

These samples were gathered in freshwater in Iran (north of Iran) in pond.

11 July 2017 229 17 View

Hi, Would you please help me to identify the below image?

Hi, Would you please help me to identify the below image? I think it belongs to bryozoans ? I also need classification and ecological aspect. I found it in the Caspian Seas

29 February 2016 9,481 4 View

Can anybody help me to identify this macrophyte (aquatic plant)?

I collected this macrophyte near the River at the west of Iran (Kurdistan province, Sanandaj city) Best

01 January 1970 5,821 6 View

Minimum age of children who understand that there is a problem and come forward for giving help?

AHA recommends children age 15 and above are suitable candidates to learn life saving skills.

01 January 1970 4,609 3 View

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

Hi, does anyone have this book?

Hi, I'm looking for this reference: Nogrady, T., R. Pourriot & H. Segers, 1995. Rotifera 3: Notommatidae and Scaridiidae. In Nogrady, T. & H. J. Dumont (eds), Guides to the Identification...

03 May 2024 6,419 1 View

How Neap and Spring tides affect water quality?

Please, I need more details and relevant documents on how the neap and spring tides affect the water quality and zooplankton community structure in rivers.

31 March 2024 955 0 View

What is the range of zooplankton's (including protozoon and rotifera) elements stoichiometry and nutritional cell quotas?

Please provide the article's link. Thanks!

02 January 2024 8,198 0 View

Can someone help me with the confirmation of the diagnosis for two species of the Proalides genus (Monogononta, Epiphanidae)?

Hi, I'm looking for someone who has worked with the Proalides genus. I have found some species and made a diagnosis and I would like to have another point of view for review.

05 December 2023 6,174 0 View

Does anyone know this species of pelagic amphipod?

I think it belongs to Eusiriidae, probably a juvenile Eusirus but I'm not sure. The specimens (pelagic) were collected in the Antarctic Ocean.

21 November 2023 1,027 2 View

Scanning/analyzing zooplankton samples using a generic scanner?

Hello fellow scientists, Does anybody use a generic scanner to scan zooplankton samples? If so, what do you guys use in terms of software for segmentation of the original images into vignetes...

02 November 2023 8,565 0 View

How to measure abundance and relative abundance of freshwater zooplankton and phytoplankton?

I´m currently trying to understand how is abundance measured with these two biological groups since this will be the first time I´ll work with them. As far as I know zooplankton abundance can be...

23 October 2023 9,943 4 View

Does anyone have this reference "Koste, W., 1978. Rotatoria. Die Radertiere Mitteleuropas. Monogononta." ?

Hi I'm looking for that reference in pdf , I'm trying to do the diagnosis for some rotifer species (Flosculariaceae ) from a brackish tropical lagoon. I accept any other recommendation of...

03 October 2023 3,920 3 View

Can I use polypropylene and polyethylene for zooplankton sample collection for microplastic analysis? which preservatives should i use?

I am going to conduct a research on Microplastic ingestion my zooplankton. So I need to know the precautions to make my research effective

25 August 2023 9,694 2 View