Where do I find the Wilcox H test?

Hi all, I need to compare some population means, but my data are non-normally distributed and with unequal variance (even after transformation) so I can use neither parametric t-tests nor...

01 February 2020 9,074 6 View

Could someone help me in the identification of this Sphaeromatidae (Crustacea, Isopoda)?

Hi, I have some problem with the identification of these Sphaeromatidae from the Ionian sea (Mediterranean Sea). Could someone help me to arrive to genus or species? I found it inside detritus in...

10 November 2016 4,650 2 View

Could someone help me in the identification of this barnacle (Crustacea, Cirripedia)?

10 November 2016 3,812 5 View

Could someone help me in the identification of these Mediterranean Blenniidae (Fish)?

06 July 2016 3,628 3 View

Hi, Someone could help me in the identification of this hermit crab?

Hi, Someone could help me in the identification of this hermit crab?. I found it in Ionian sea (Mediterranean Sea). It's particular due to the red spotted cornea. Thank you very much.

06 July 2016 2,253 4 View

Could someone help me in the identification of these Mediterranean Tunicates?

Hi, I have some problem with the identification of these Tunicates? The first 1 is a strange Thaliacea, maybe Cyclosalpa or Helicosalpa 2 is a colonial Ascidian found in shallow water 3 is an...

06 July 2016 3,657 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 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

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 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

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

Measuring Total immunoglobulin whole-body of fish larvae?

Hi Dear All, I prepared the extract of fish larvae whole body with PBS. Then protein concentration of the whole-body extraction samples determined by the Folin-Ceiocalteu-Phenol method (Lowry...

17 February 2021 1,971 3 View

What is the identity of additional bands found during fish gut microbiome 16S V4 PCR amplification?

Hi, I am carrying out test PCRs for 16S amplicon sequencing on Illumina MiSeq. I am using standard V4 primers: 515F/806R. The aim is to profile the microbiome of fish guts under different...

16 February 2021 5,668 6 View