i'm trying to assess the connectivity of an arboreal species' pathway. i have (1) a vector layer with approximately 15,000 tree points and (2) a layer with a buffer created for each of these trees. each tree has a different buffer radius that shows the potential distance the species can travel from the tree; it is calculated based on the tree's vertical height and relative elevation.
i want to create a line vector shapefile that shows the potential connection from one tree to all the trees within its buffer, and to do that for every single one of the 15,000 trees that i have.
how do i do it on QGIS? i can't use arcgis as i have only the standard license for arcgis so i can't use the spatial analyst tools. i was thinking of using the "distance to nearest hub" tool and to use an expression (manually input a formula?) for the hub distance, but i've been unsuccessful thus far.