Meredith Karcz

3 Questions 2 Answers 0 Followers

Questions related from Meredith Karcz

How to do constrained ordination or direct gradient analysis with only one environmental variable?

I have 17 rocky shore sites. From these sites I have quadrat data with species percent coverage data. From each of my sites I also have an environmental measure for a gradient I am interested...

12 April 2018 9,923 4 View

How do you use centroids for sites in a nMDS in R, is there a way to do it using Vegan?

I am analyzing differences in community structure between rocky shore sites. I have 15 samples (quadrats) for each site. I would like to make a nMDS in R with the centroids of each site (not all...

02 April 2018 611 9 View

How to extract the centroid for a group of points in multivariate space from PCO in Primer.

I have 9 locations with 30 samples from each location. Each sample is a quadrat with species abundance data for multiple species. I want to generate a MDS plot using primer to visualize...

02 June 2017 1,730 2 View