Reza Omidipour

11 Questions 46 Answers 0 Followers

Questions related from Reza Omidipour

Can anyone sugeste me a Index or method for mesureament or assessment of plant community stability?

Hello to all The relationship between species diversity and ecosystem stability and its maintenance mechanism has been one of the main topic in ecology research. In the past, diversity indices...

17 June 2016 631 6 View

Does anyone know that disturbance can increase the plant diversity?

Hello to all Does anyone know that disturbance (i.e. fire, grazing, land use change) can increase the plant diversity? If, yes, how disturbance can increase diversity?Does anyone know a reference...

05 May 2016 3,457 11 View

Can anybody please explain me how i can measure Functional Redundancy?

Hello all Can anyone suggest a mathematical method for measuring of Functional Redundancy? How many way is for its measurement? Is there any package in R or other software for measuring of...

19 April 2016 3,415 5 View

Can anyone introduce basic references about SDM?

I like, study about plant distribution patterns in arid and semi-arid area. but my knowledge about modelling is very low. now, I want learn about Species Distribution Models (different type of...

28 June 2015 811 13 View

Why do different Partitioning methods (Additive vs. Multiplicative) have different results using the same data?

Diversity Partitioning methods (Additive and multiplicative) is one of the most popular method that using for assessment of diversity patterns in different scales (temporal or spatial). I have...

10 December 2014 8,338 8 View

Does anyone know a relationship between percent litter and biomass?

I need the biomass data to assess the rangeland condition in my study area. I want to determin the amount of biomass from the litter percent, therefore I need a valid relationship for this...

07 July 2014 3,661 13 View

Can anyone identify this plant species?

Can anyone help me identify this plant species? I saw it when I was climbing in the mountains. It had grown on the cavity in a large rock.

24 June 2014 2,184 9 View

Can anyone suggest simple method for measure of Particulate Organic Matter (POM) (Total-POM, POM-Nitrogen and POM-Carbon)?

Particulate organic matter (POM) is a transitory pool of organic matter between fresh plant residues and humified organic matter. It is typically enriched in C and nutrients, and although it...

04 May 2014 2,267 7 View

Can anyone suggest a method to identify rare and common species?

According to the different contribution of rare and common species in the total plant species diversity, it is important that diversity component of each analysis is done separately.

25 February 2014 8,365 12 View

Additive Partitioning or Multiplication Partitioning?

Partitioning is new method in a recent decades that rapidly used for study of diversity components in different spatial scales. Much research related to diversity have been conducted using these...

15 February 2014 8,698 3 View

What is the difference between sub-pixel and object-oriented classification method in remote sensing?

Principle of sub-pixel classifiction method

21 December 2012 1,383 6 View