Joshua A. Spiers

5 Questions 16 Answers 0 Followers

Questions related from Joshua A. Spiers

Can I use both coarse resolution (1 km) and high resolution predictors (2 m) in a species distribution model?

I am proposing that a hierarchical approach is used where coarse resolution variables are used to run a maxent SDM and delineate a presence/absence map for my species (tropical conifer tree...

25 November 2020 1,275 4 View

What is the best method to analyze tree regeneration?

Good day, I need to design a sampling method to quantify the regeneration of the selected species at different altitudes/canopy closures in a national park. The park is about 9000 ha and ranges...

19 April 2017 6,747 6 View

Where can I download MODIS 250m EVI and NDVI for a Caribbean country?

I am trying to download this data from GLOVIS USGS and other similar websites but the data is not downloadable. Any suggestions and where I can get this or similar data? It would be best for me...

21 March 2017 1,766 9 View

Can I downscale climate data from Worldclim which will be used in species distribution modelling ?

I am interested getting my MaxEnt model at higher resolution. The model involves the use of the common 19 Bioclimatic variables. I understand some people are against the use of variables from...

02 December 2016 2,342 12 View

What is the best method to evaluate Maxent models of species with a more ubiquitous distribution?

I am trying to model the distribution of some vascular plant species, the species with restricted ranges typically produce models with good (>0.7) AUC scores. Species which are more widespread...

22 October 2016 5,387 12 View