Nalaka Geekiyanage

10 Questions 24 Answers 0 Followers

Questions related from Nalaka Geekiyanage

Can leaf hydraulic conductance (Kleaf) be weakly or negatively correlate with stomatal pore index (SPI)? If yes, under what conditions?

Most of the studies suggest these two traits strongly positively correlated. I wish to know studies, if any, where they found a negative or a weak correlation. Also its shown that leaf hydraulic...

19 October 2016 3,979 3 View

Is there any R package for modelling Photosynthesis and Gas Exchange Data ?

I am looking for a fully functional R package for modeling Amax (maximum photosynthesis rate), VCmax (maximum rate of Rubisco carboxylation), Jmax (maximum rate of electron transport for RuBP...

26 October 2015 4,791 15 View

How old are the tropical forests worldwide?

I am looking for a comparative analysis of the age of tropical forests more specifically forests in the Congo, Amazon and South and Southeast Asia.

23 August 2015 5,857 5 View

Are small diameter xylem vessels shorter than large diameter ones?

Small diameter vessels are characteristic to many tropical tree species but, I would like to know whether, in general, small diameter xylem vessels are shorter than large diameter ones in tropical...

26 June 2015 4,632 2 View

How does atmospheric carbon isotope concentration change across multiple scales?

How does 13C concentration in the atmosphere changes across following scales? across time since industrial revolution along altitude

28 April 2015 4,688 3 View

How can I modify the filter paper method for matric water potential?

I am planning to modify the filter paper method for estimation of soil water potential. We have Whatman No 42 55 mm filter papers. But our core samples are of 60 mm and 50 mm in diameter and which...

01 March 2015 3,832 2 View

How can I measure the genetic distance of tree species?

What are the best estimates to measure how closely related two plant species are? Any good references to follow? Provided that plant DNA is available.

20 January 2015 8,840 7 View

Can we call isohydric plants as conservative and anisohydric plants as opportunistic?

It is argued that isohydric plants do not tolerate more intensive and frequent droughts (less negative soil water potentials) use stored reserves to survive in drought events?...

07 January 2015 5,443 5 View

Can someone recommended a reference where non structural carbohydrates in plants has coined?

Generally, it is the the balance between net photosynthetic carbon uptake (source) and irreversible investments in structures or loss of carbon (sink).

05 January 2015 6,469 3 View

What is the cheapest and easiest way to obtain periodic soil moisture measurements up to 10m depth without digging big soil pits?

I want to estimate the soil moisture across several plots at one meter interval upto 10 m depth. Any good references are also welcome.

24 December 2014 8,824 11 View