More individuals or specialized niches? Distinguishing support for hypotheses explaining positive species-energy relationships
This repository contains figures and analyses exploring explanations for positive species-energy relationships in two North American breeding bird datasets, the Breeding Bird Survey (BBS) and the Breeding Bird Census (BBC).
Code to replicate manuscript analyses found in /scripts
:
bbc_landcover_diversity_H.R
calculates land cover diversity at BBC sitesbbs_landcover_diversity_H.R
calculates land cover diversity at BBS sitessite_maps.R
contains code to map sites included in the study in Figure 2foraging_null_mods.R
contains code for foraging guild null models testing the Niche Specialization Hypothesis/landcover_processing
contains scripts to process land cover data- Land cover, canopy height, and vegetation productivity (NDVI) at BBS and BBC sites
ndvi_null_mod.R
contains code for the NDVI niche breadth null model testing the Niche Specialization Hypothesisscript_BBC.R
contains code for the main analyses and figures with BBC datascript_BBS.R
contains code for the main analyses and figures with BBS data