Arshad Ali Shedayi

15 Questions 19 Answers 0 Followers

Questions related from Arshad Ali Shedayi

How to find below ground biomass by a known above ground biomass?

Dear All, How the below ground biomass can be determined/calculated from the known above ground biomass of trees, shrubs and herbs? Is there is any specific ratio, % to find the BGB from the AGB?

06 December 2018 2,262 8 View

How to put a discount rate on natural resources valuation?

To apply discount rate on natural resource valuation/ecosystem services valuation has become debate among the researchers, many researchers are in the opinion that discount rate should be applied...

28 April 2018 7,562 9 View

Which method(s)/model(s) can be used for carbon sequestration of a large area e.g at national level?

Can you suggest/recommend any method(s)/model(s) for carbon sequestration comparatively at a large area (at country/national level) for all pools such as Above ground, Below ground, Soil, Litter...

12 March 2018 5,770 11 View

How to find the log correction factor and below ground biomass?

I want to use GlobAllomTree equations to find out the biomass of Forest Trees like Pinus, Juniperus, Betula etc.... The equation for Juniperus for example is; log...

10 March 2018 5,998 4 View

How to assign a value to the water regulation services?

Dear all, as all ecosystem services have economic/monetary values. Which method can be used for regulating services of water?

25 April 2017 6,037 3 View

Is there any method to find soil nutrients (NPK) from known soil texture (%) and soil water pH?

I want find/calculate soil nutrients in the eroded soil for the study area. Nutrient (NPK) values are not available, although I got soil texture and Organic carbon (%) and soil water pH. Is there...

15 February 2017 219 11 View

Please guide me how to process/organize daily Climate Reanalysis data obtained from ECMWF ERA-Interim?

As I am not familiar with ECMWF data. I have obtained daily Climate Reanalysis data from ECMWF ERA-Interim. I have converted it to the text file and excel file format. The data obtained for...

03 February 2017 1,569 4 View

How to valuate the soil retention ?

Dear all, I want to valuate the soil/mineral retention. As I have used RUSLE model in the GIS environment to find out soil erosion with C (cover ) factor and without C factor. I have the maximum...

22 January 2017 1,089 5 View

How to assess soil erosion by RUSLE model using GIS?

Dear all, I want to measure soil erosion of a nature reserve using RUSLE model and GIS. In the K factor (erodibility factor), I have information for the soil texture, OM and permeability, but I do...

31 May 2016 8,877 13 View

How can I classify Forest products as Timber and Non timber forest products?

In the provisioning forest ecosystem services the classifications used such as Timber and NTFPs, Woody and non woody products, Direct use values and indirect use values etc. For example; I have...

18 September 2015 9,920 22 View

Which biodiversity index is more reliable/better and how can it be applied to a mixed vegetation? How might I differentiate diversity indices and IVI?

Which biodiversity index is more suitable; Shannon’s index or Simpson’s index to apply on a mixed vegetation of more than 2 sites? Can we apply two indices together or one index is enough to get...

25 June 2015 1,201 13 View

Is there any correlation of leaf carbon and nitrogen concentration with soil carbon and nitrogen?

Is there any correlation of soil organic carbon, inorganic carbon, total carbon and total nitrogen concentration with leaf total carbon and total nitrogen concentration?

25 May 2015 2,050 8 View

What should be the sample size for a qualitative research and which type of questionnaire design will be suitable ?

Dear all, currently I am planning to conduct a questionnaire based qualitative research to get data retarding willingness to pay from household/individuals of the beneficiaries of a nature reserve...

14 April 2015 8,520 7 View

How to find the biomass from DBH and height of tree species in a forest ecosystem?

There are many methods for the carbon stock estimation and sequestration. Here, I want to know the method/procedure to find out the carbon biomass from known DBH (diameter at breast height) and...

22 November 2014 3,258 32 View

How can heavy metals from soil and vegetation in solid waste disposal areas be determined?

Solid waste disposal areas are the most polluted sites for soil and vegetation. The accumulation of heavy metals are injurious for plants and animal health. How can these heavy metals be analyzed?...

31 March 2013 8,420 2 View