Mehdi Abedi

7 Questions 14 Answers 0 Followers

Questions related from Mehdi Abedi

What is the light requirements for desert and grasslands plant species in climate chambers?

Dear All I would like to know how much light is needed for desert , grasslands, woodland and subalpine species in climate room. I am planning for 3*3 meter climatic room for ecophysiological...

10 February 2017 2,176 5 View

Any suggestion for field instrument of measuring PAR?

I am interested to measure PAR under canopy of shrubs. There are some high quality devices (Waltz, adc..) but i would like to have handy field instrument (not very expensive!). Do you have any...

28 July 2016 6,021 9 View

What is the proper size of OTC in grasslands?

Dear Colleagues, Different size for open top chambers(OTC) have been used by researchers. It would be nice to have your advice in proper size for OTC in subalpine grasslands, tall grasslands and...

22 July 2015 407 3 View

R versions: How can I run different old and new packages in r?

Dear all, There are different versions of R. Packages depend to their released time need newer or older version of R. There are some explanation in the r website as "md5sum of the .exe to the true...

18 March 2015 8,322 9 View

Is there any free software for total root length and mean root diameter measurement?

Dear All, Total root length and mean root diameter are important functional traits. Some software like WinRHIZO can calculate this parameters however i don't have accessibility to this software....

10 March 2015 4,143 7 View

How can we get only main effects and their interactions without their subgroup details from the Output of GLM and GAM?

In lm depend to research question we can get output by summary(model) and summary.aov(model). In the first condition we can get details for lm with estimate and t value (the subgroups indicated in...

28 January 2015 7,537 7 View

Is it possible to produce Persian or Arabic language graphs from R graph package?

We can create different graphics using R. However, having these graphs in other languages like Persian or Arabic is not easy. Unfortunately most of journals in these countries accept graphs in...

30 September 2014 7,103 10 View