Dear Yadav,

Please follow these links for said query.

http://link.springer.com/chapter/10.1007/978-1-4614-7161-5_39#page-1

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2749534/

http://aob.oxfordjournals.org/content/93/6/773.full

https://www.researchgate.net/publication/264274022_Population_ecology_of_epiphytic_angiosperms_A_review

Good Luck

Article Population ecology of epiphytic angiosperms: A review

Hello Yadav,

You may find the following articles useful.  They use/highlight population viability methods in varying ways.

1) https://scholar.google.com/citations?view_op=view_citation&hl=en&user=OPcgE2IAAAAJ&citation_for_view=OPcgE2IAAAAJ:9yKSN-GCB0IC

2) https://scholar.google.com/citations?view_op=view_citation&hl=en&user=OPcgE2IAAAAJ&citation_for_view=OPcgE2IAAAAJ:0EnyYjriUFMC

3) http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.566.5181&rep=rep1&type=pdf

4) https://cran.r-project.org/web/packages/popbio/popbio.pdf

I hope they help.  Feel free to email me with any questions.  Also, if you are trying to do some basic analyses, I also suggest looking at the "Pop-tools" extension in Excel.  It is very useful for estimating the basic parameters that are included in most PVA's

Cordially,

Benjamin