Mohammad Hasan Gerami

10 Questions 42 Answers 0 Followers

Questions related from Mohammad Hasan Gerami

How I can track heavy metals concentration and find the relation in fish mussel and surrounding water or sediments?

Dear researchers I have time series heavy metal concentration data in fish mussel, surrounding water and sediment. What kind of analysis do you suggest for modelling relation between heavy metals...

08 November 2017 4,171 12 View

What is C and WP in Von Bertanalfy Growth Curve?

Hi I am studying on freshwater shrimp growth and need to know about C and WP. How we can calculate these tow factor? Is there any package in R for calculation? Or can we estimate them in...

14 June 2016 2,332 6 View

How I can find best model for Variogram in R?

Dear all I am trying to find best model for variogram modelling. How I can play with coefficients in variogram code in gstat package? anyone has a clue?

25 February 2016 7,642 5 View

What is best method to find a model between environmental data-zooplankton and fish growth rate?

Dear Researchers I had 3 data group. environmental data (Temperature, Oxygen, pH, EC and Turbidity), zooplankton community and growth rate of a fish. All data belonged to a one pool. Now I tried...

10 October 2015 5,007 6 View

Can anyone help me in understanding and clearly interpreting SIMPER results?

I analysed some of my data from Caspian Sea basin. these data comprised form hard substrate of macrobenthic communities. I attached the results. in the attached file Time (1,2,3, and 4) represent...

05 June 2015 6,721 9 View

Can anybody recommend a reference paper for marine invertebrates depth preference?

I want to study effect of depth on marine invertebrates and marine benthos. I have data on depth distribution and marine invertebrates community composition, but their compositions are very...

31 December 2014 7,021 10 View

Where is spatial analyst option menu?

I am working on a project using Arc map 10.2. I want to use 'Extent' and 'Cell size' from the option menu in Arc map 10.2. I added Spatial Analyst from the tools menu and enabled it to form...

23 May 2014 5,500 9 View

Can anyone help me to identify this marine species?

It seems to be a Polychaete. I suggested that it is pisionidae. Does anyone know the genus? It is colored with Rose bengal and Magnified *20.

01 May 2014 4,348 3 View

Can anyone help me to identify this marine benthos?

I am working on marine benthos. Here I have attached one species which I could not identify. I found it on depth of 15 meters in the Persian Gulf.

26 April 2014 7,970 30 View

Is there any method to find a model between Benthic Invertebrates Biomass and Shrimp Catch?

I want to study on benthic invertebrates and their relation on shrimp catch, but how i can estimate the relation? What statistical test should i use? Is there any statistical way to estimate a...

12 May 2013 8,691 1 View