Mapping breeding bird species richness at management-relevant resolutions across the United States
Data files
Feb 20, 2022 version files 8.51 GB
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BBS_all_spp_2p5k.tif
8.40 MB
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BBS_all_spp_500m.tif
196.99 MB
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BBS_all_spp_5k.tif
2.13 MB
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BBS_canopy_nesters_2p5k.tif
8.34 MB
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BBS_canopy_nesters_500m.tif
197.16 MB
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BBS_canopy_nesters_5k.tif
2.15 MB
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BBS_decreasing_2p5k.tif
8.13 MB
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BBS_decreasing_500m.tif
192.21 MB
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BBS_decreasing_5k.tif
2.08 MB
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BBS_forest_aff_2p5k.tif
8.50 MB
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BBS_forest_aff_500m.tif
199.54 MB
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BBS_forest_aff_5k.tif
2.19 MB
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BBS_forest_spec_2p5k.tif
8.62 MB
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BBS_forest_spec_500m.tif
204.63 MB
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BBS_forest_spec_5k.tif
2.20 MB
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BBS_frugivores_2p5k.tif
8.45 MB
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BBS_frugivores_500m.tif
209.93 MB
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BBS_frugivores_5k.tif
2.12 MB
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BBS_granivores_2p5k.tif
8.01 MB
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BBS_granivores_500m.tif
192.83 MB
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BBS_granivores_5k.tif
2.03 MB
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BBS_grass_aff_2p5k.tif
8.43 MB
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BBS_grass_aff_500m.tif
203.05 MB
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BBS_grass_aff_5k.tif
2.14 MB
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BBS_grass_spec_2p5k.tif
8.48 MB
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BBS_grass_spec_500m.tif
203.46 MB
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BBS_grass_spec_5k.tif
2.13 MB
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BBS_ground_nest_2p5k.tif
8.11 MB
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BBS_ground_nest_500m.tif
192.03 MB
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BBS_ground_nest_5k.tif
2.08 MB
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BBS_increasing_2p5k.tif
8.37 MB
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BBS_increasing_500m.tif
196.53 MB
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BBS_increasing_5k.tif
2.15 MB
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BBS_insectivores_2p5k.tif
8.33 MB
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BBS_insectivores_500m.tif
197.98 MB
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BBS_insectivores_5k.tif
2.15 MB
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BBS_large_range_2p5k.tif
8.44 MB
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BBS_large_range_500m.tif
196.87 MB
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BBS_large_range_5k.tif
2.15 MB
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BBS_long_dist_migrants_2p5k.tif
8.31 MB
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BBS_long_dist_migrants_500m.tif
197.88 MB
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BBS_long_dist_migrants_5k.tif
2.14 MB
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BBS_residents_2p5k.tif
8.03 MB
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BBS_residents_500m.tif
194.41 MB
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BBS_residents_5k.tif
2.06 MB
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BBS_short_dist_migrants_2p5k.tif
8.04 MB
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BBS_short_dist_migrants_500m.tif
190.88 MB
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BBS_short_dist_migrants_5k.tif
2.07 MB
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BBS_shrub_aff_2p5k.tif
8.04 MB
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BBS_shrub_aff_500m.tif
194.83 MB
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BBS_shrub_aff_5k.tif
2.05 MB
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BBS_shrub_spec_2p5k.tif
8.31 MB
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BBS_shrub_spec_500m.tif
201.82 MB
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BBS_shrub_spec_5k.tif
2.17 MB
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BBS_small_range_2p5k.tif
8.37 MB
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BBS_small_range_500m.tif
201.97 MB
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BBS_small_range_5k.tif
2.16 MB
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BBS_threatened_2p5k.tif
8.11 MB
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BBS_threatened_500m.tif
197.12 MB
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BBS_threatened_5k.tif
2.06 MB
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Compare_allspp_2p5k_500m.tif
2.23 MB
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Compare_allspp_5k_2p5k.tif
304.97 KB
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Compare_allspp_5k_500m.tif
2.23 MB
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Compare_decreasing_2p5k_500m.tif
8.85 MB
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Compare_decreasing_5k_2p5k.tif
2.38 MB
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Compare_decreasing_5k_500m.tif
2.22 MB
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Compare_forest_aff_2p5k_500m.tif
9.33 MB
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Compare_forest_aff_5k_2p5k.tif
2.37 MB
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Compare_forest_aff_5k_500m.tif
2.25 MB
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Compare_forest_spec_2p5k_500m.tif
9.34 MB
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Compare_forest_spec_5k_2p5k.tif
2.39 MB
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Compare_forest_spec_5k_500m.tif
2.33 MB
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Compare_frugivores_2p5k_500m.tif
9.23 MB
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Compare_frugivores_5k_2p5k.tif
2.30 MB
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Compare_frugivores_5k_500m.tif
2.23 MB
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Compare_granivores_2p5k_500m.tif
9.30 MB
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Compare_granivores_5k_2p5k.tif
2.27 MB
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Compare_granivores_5k_500m.tif
2.26 MB
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Compare_grass_aff_2p5k_500m.tif
9.46 MB
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Compare_grass_aff_5k_2p5k.tif
2.40 MB
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Compare_grass_aff_5k_500m.tif
2.38 MB
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Compare_ground_nest_2p5k_500m.tif
9.27 MB
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Compare_ground_nest_5k_2p5k.tif
2.38 MB
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Compare_ground_nest_5k_500m.tif
2.31 MB
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Compare_increasing_2p5k_500m.tif
9.04 MB
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Compare_increasing_5k_2p5k.tif
2.39 MB
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Compare_increasing_5k_500m.tif
2.27 MB
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Compare_insectivores_2p5k_500m.tif
9.16 MB
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Compare_insectivores_5k_2p5k.tif
2.27 MB
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Compare_insectivores_5k_500m.tif
2.20 MB
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Compare_large_range_2p5k_500m.tif
9.46 MB
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Compare_large_range_5k_2p5k.tif
2.32 MB
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Compare_large_range_5k_500m.tif
2.32 MB
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Compare_long_dist_migrants_2p5k_500m.tif
8.85 MB
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Compare_long_dist_migrants_5k_2p5k.tif
2.32 MB
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Compare_long_dist_migrants_5k_500m.tif
2.18 MB
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Compare_residents_2p5k_500m.tif
9.12 MB
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Compare_residents_5k_2p5k.tif
2.31 MB
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Compare_residents_5k_500m.tif
2.22 MB
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Compare_short_dist_migrants_2p5k_500m.tif
9.40 MB
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Compare_short_dist_migrants_5k_2p5k.tif
2.38 MB
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Compare_short_dist_migrants_5k_500m.tif
2.35 MB
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Compare_shrub_aff_2p5k_500m.tif
9.48 MB
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Compare_shrub_aff_5k_2p5k.tif
2.30 MB
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Compare_shrub_aff_5k_500m.tif
2.31 MB
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Compare_shrub_spec_2p5k_500m.tif
9.44 MB
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Compare_shrub_spec_5k_2p5k.tif
2.44 MB
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Compare_shrub_spec_5k_500m.tif
2.42 MB
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Compare_small_range_2p5k_500m.tif
9.39 MB
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Compare_small_range_5k_2p5k.tif
2.38 MB
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Compare_small_range_5k_500m.tif
2.33 MB
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Compare_threatened_2p5k_500m.tif
9.12 MB
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Compare_threatened_5k_2p5k.tif
2.36 MB
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Compare_threatened_5k_500m.tif
2.27 MB
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Guild_Composition.xlsx
28.92 KB
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Naming_Conventions.xlsx
11.02 KB
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PredictionInterval_decreasing_2p5k.tif
6.98 MB
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PredictionInterval_decreasing_500m.tif
197.61 MB
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PredictionInterval_decreasing_5k.tif
836.52 KB
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PredictionInterval_forest_aff_2p5k.tif
7.18 MB
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PredictionInterval_forest_aff_500m.tif
203.23 MB
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PredictionInterval_forest_aff_5k.tif
963.88 KB
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PredictionInterval_forest_spec_2p5k.tif
7.23 MB
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PredictionInterval_forest_spec_500m.tif
205.12 MB
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PredictionInterval_forest_spec_5k.tif
1.11 MB
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PredictionInterval_frugivores_2p5k.tif
6.13 MB
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PredictionInterval_frugivores_500m.tif
184.63 MB
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PredictionInterval_frugivores_5k.tif
577.28 KB
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PredictionInterval_granivores_2p5k.tif
6.82 MB
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PredictionInterval_granivores_500m.tif
198.85 MB
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PredictionInterval_granivores_5k.tif
755.25 KB
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PredictionInterval_grass_aff_2p5k.tif
6.87 MB
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PredictionInterval_grass_aff_500m.tif
179.25 MB
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PredictionInterval_grass_aff_5k.tif
685.24 KB
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PredictionInterval_grass_spec_2p5k.tif
6.82 MB
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PredictionInterval_grass_spec_500m.tif
187.72 MB
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PredictionInterval_grass_spec_5k.tif
635.64 KB
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PredictionInterval_ground_nest_2p5k.tif
6.92 MB
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PredictionInterval_ground_nest_500m.tif
197.67 MB
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PredictionInterval_ground_nest_5k.tif
798.41 KB
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PredictionInterval_increasing_2p5k.tif
7.21 MB
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PredictionInterval_increasing_500m.tif
200.63 MB
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PredictionInterval_increasing_5k.tif
932.98 KB
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PredictionInterval_insectivores_2p5k.tif
7.17 MB
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PredictionInterval_insectivores_500m.tif
203.40 MB
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PredictionInterval_insectivores_5k.tif
893.98 KB
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PredictionInterval_large_range_2p5k.tif
7.18 MB
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PredictionInterval_large_range_500m.tif
199.11 MB
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PredictionInterval_large_range_5k.tif
983.98 KB
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PredictionInterval_long_dist_migrants_2p5k.tif
7.12 MB
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PredictionInterval_long_dist_migrants_500m.tif
202.55 MB
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PredictionInterval_long_dist_migrants_5k.tif
910.69 KB
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PredictionInterval_midstory_nest_2p5k.tif
7.21 MB
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PredictionInterval_midstory_nest_500m.tif
203.45 MB
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PredictionInterval_midstory_nest_5k.tif
880.74 KB
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PredictionInterval_overall_2p5k.tif
7.14 MB
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PredictionInterval_overall_500m.tif
198.81 MB
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PredictionInterval_overall_5k.tif
941.60 KB
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PredictionInterval_residents_2p5k.tif
7.10 MB
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PredictionInterval_residents_500m.tif
200.06 MB
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PredictionInterval_residents_5k.tif
856.47 KB
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PredictionInterval_short_dist_migrants_2p5k.tif
6.84 MB
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PredictionInterval_short_dist_migrants_500m.tif
197.94 MB
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PredictionInterval_short_dist_migrants_5k.tif
819.87 KB
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PredictionInterval_shrub_aff_2p5k.tif
7.20 MB
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PredictionInterval_shrub_aff_500m.tif
202.08 MB
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PredictionInterval_shrub_aff_5k.tif
878.50 KB
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PredictionInterval_shrub_spec_2p5k.tif
7.19 MB
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PredictionInterval_shrub_spec_500m.tif
205.25 MB
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PredictionInterval_shrub_spec_5k.tif
789.68 KB
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PredictionInterval_small_range_2p5k.tif
7.30 MB
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PredictionInterval_small_range_500m.tif
203.19 MB
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PredictionInterval_small_range_5k.tif
871.11 KB
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PredictionInterval_threatened_2p5k.tif
6.35 MB
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PredictionInterval_threatened_500m.tif
175.55 MB
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PredictionInterval_threatened_5k.tif
540.09 KB
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README.txt
1.76 KB
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Variable_Results.xlsx
21.99 KB
Jul 27, 2022 version files 8.46 GB
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BBS_all_spp_2p5k.tif
8.19 MB
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BBS_all_spp_500m.tif
192.79 MB
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BBS_all_spp_5k.tif
2.08 MB
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BBS_canopy_nesters_2p5k.tif
8.14 MB
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BBS_canopy_nesters_500m.tif
193.07 MB
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BBS_canopy_nesters_5k.tif
2.10 MB
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BBS_decreasing_2p5k.tif
7.93 MB
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BBS_decreasing_500m.tif
188.30 MB
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BBS_decreasing_5k.tif
2.04 MB
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BBS_forest_aff_2p5k.tif
8.31 MB
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BBS_forest_aff_500m.tif
195.22 MB
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BBS_forest_aff_5k.tif
2.14 MB
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BBS_forest_spec_2p5k.tif
8.43 MB
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BBS_forest_spec_500m.tif
200.42 MB
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BBS_forest_spec_5k.tif
2.16 MB
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BBS_frugivores_2p5k.tif
8.26 MB
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BBS_frugivores_500m.tif
206.93 MB
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BBS_frugivores_5k.tif
2.08 MB
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BBS_granivores_2p5k.tif
7.83 MB
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BBS_granivores_500m.tif
188.99 MB
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BBS_granivores_5k.tif
1.99 MB
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BBS_grass_aff_2p5k.tif
8.25 MB
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BBS_grass_aff_500m.tif
199.42 MB
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BBS_grass_aff_5k.tif
2.09 MB
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BBS_grass_spec_2p5k.tif
8.29 MB
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BBS_grass_spec_500m.tif
199.22 MB
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BBS_grass_spec_5k.tif
2.08 MB
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BBS_ground_nest_2p5k.tif
7.92 MB
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BBS_ground_nest_500m.tif
187.86 MB
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BBS_ground_nest_5k.tif
2.03 MB
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BBS_increasing_2p5k.tif
8.17 MB
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BBS_increasing_500m.tif
192.37 MB
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BBS_increasing_5k.tif
2.10 MB
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BBS_insectivores_2p5k.tif
8.13 MB
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BBS_insectivores_500m.tif
193.83 MB
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BBS_insectivores_5k.tif
2.10 MB
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BBS_large_range_2p5k.tif
8.23 MB
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BBS_large_range_500m.tif
192.61 MB
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BBS_large_range_5k.tif
2.10 MB
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BBS_long_dist_migrants_2p5k.tif
8.12 MB
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BBS_long_dist_migrants_500m.tif
193.86 MB
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BBS_long_dist_migrants_5k.tif
2.09 MB
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BBS_residents_2p5k.tif
7.85 MB
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BBS_residents_500m.tif
190.30 MB
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BBS_residents_5k.tif
2.01 MB
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BBS_short_dist_migrants_2p5k.tif
7.85 MB
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BBS_short_dist_migrants_500m.tif
186.88 MB
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BBS_short_dist_migrants_5k.tif
2.02 MB
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BBS_shrub_aff_2p5k.tif
7.86 MB
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BBS_shrub_aff_500m.tif
191.46 MB
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BBS_shrub_aff_5k.tif
2 MB
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BBS_shrub_spec_2p5k.tif
8.12 MB
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BBS_shrub_spec_500m.tif
198.86 MB
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BBS_shrub_spec_5k.tif
2.12 MB
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BBS_small_range_2p5k.tif
8.18 MB
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BBS_small_range_500m.tif
198.67 MB
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BBS_small_range_5k.tif
2.11 MB
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BBS_threatened_2p5k.tif
7.92 MB
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BBS_threatened_500m.tif
193.72 MB
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BBS_threatened_5k.tif
2.02 MB
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Comparisons_allspp_2p5k_500m.tif
2.23 MB
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Comparisons_allspp_5k_2p5k.tif
301.78 KB
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Comparisons_allspp_5k_500m.tif
2.23 MB
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Comparisons_canopy_nesters_2p5k_500m.tif
8.76 MB
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Comparisons_canopy_nesters_5k_2p5k.tif
2.35 MB
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Comparisons_canopy_nesters_5k_500m.tif
2.17 MB
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Comparisons_decreasing_2p5k_500m.tif
8.84 MB
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Comparisons_decreasing_5k_2p5k.tif
2.38 MB
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Comparisons_decreasing_5k_500m.tif
2.22 MB
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Comparisons_forest_aff_2p5k_500m.tif
9.32 MB
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Comparisons_forest_aff_5k_2p5k.tif
2.36 MB
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Comparisons_forest_aff_5k_500m.tif
2.25 MB
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Comparisons_forest_spec_2p5k_500m.tif
9.33 MB
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Comparisons_forest_spec_5k_2p5k.tif
2.39 MB
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Comparisons_forest_spec_5k_500m.tif
2.33 MB
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Comparisons_frugivores_2p5k_500m.tif
9.22 MB
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Comparisons_frugivores_5k_2p5k.tif
2.30 MB
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Comparisons_frugivores_5k_500m.tif
2.23 MB
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Comparisons_granivores_2p5k_500m.tif
9.29 MB
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Comparisons_granivores_5k_2p5k.tif
2.26 MB
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Comparisons_granivores_5k_500m.tif
2.26 MB
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Comparisons_grass_aff_2p5k_500m.tif
9.45 MB
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Comparisons_grass_aff_5k_2p5k.tif
2.40 MB
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Comparisons_grass_aff_5k_500m.tif
2.38 MB
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Comparisons_grass_spec_2p5k_500m.tif
9.40 MB
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Comparisons_grass_spec_5k_2p5k.tif
2.40 MB
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Comparisons_grass_spec_5k_500m.tif
2.36 MB
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Comparisons_ground_nest_2p5k_500m.tif
9.26 MB
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Comparisons_ground_nest_5k_2p5k.tif
2.37 MB
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Comparisons_ground_nest_5k_500m.tif
2.30 MB
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Comparisons_increasing_2p5k_500m.tif
9.03 MB
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Comparisons_increasing_5k_2p5k.tif
2.39 MB
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Comparisons_increasing_5k_500m.tif
2.27 MB
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Comparisons_insectivores_2p5k_500m.tif
9.15 MB
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Comparisons_insectivores_5k_2p5k.tif
2.27 MB
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Comparisons_insectivores_5k_500m.tif
2.19 MB
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Comparisons_large_range_2p5k_500m.tif
9.45 MB
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Comparisons_large_range_5k_2p5k.tif
2.32 MB
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Comparisons_large_range_5k_500m.tif
2.31 MB
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Comparisons_long_dist_migrants_2p5k_500m.tif
8.84 MB
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Comparisons_long_dist_migrants_5k_2p5k.tif
2.32 MB
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Comparisons_long_dist_migrants_5k_500m.tif
2.17 MB
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Comparisons_residents_2p5k_500m.tif
9.11 MB
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Comparisons_residents_5k_2p5k.tif
2.30 MB
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Comparisons_residents_5k_500m.tif
2.22 MB
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Comparisons_short_dist_migrants_2p5k_500m.tif
9.39 MB
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Comparisons_short_dist_migrants_5k_2p5k.tif
2.38 MB
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Comparisons_short_dist_migrants_5k_500m.tif
2.35 MB
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Comparisons_shrub_aff_2p5k_500m.tif
9.47 MB
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Comparisons_shrub_aff_5k_2p5k.tif
2.30 MB
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Comparisons_shrub_aff_5k_500m.tif
2.31 MB
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Comparisons_shrub_spec_2p5k_500m.tif
9.43 MB
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Comparisons_shrub_spec_5k_2p5k.tif
2.43 MB
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Comparisons_shrub_spec_5k_500m.tif
2.42 MB
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Comparisons_small_range_2p5k_500m.tif
9.39 MB
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Comparisons_small_range_5k_2p5k.tif
2.38 MB
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Comparisons_small_range_5k_500m.tif
2.33 MB
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Comparisons_threatened_2p5k_500m.tif
9.11 MB
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Comparisons_threatened_5k_2p5k.tif
2.35 MB
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Comparisons_threatened_5k_500m.tif
2.26 MB
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Guild_Composition_traits.csv
211.91 KB
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Guild_Composition.xlsx
28.92 KB
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Naming_Conventions.xlsx
11.02 KB
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PredictionInterval_decreasing_2p5k.tif
6.97 MB
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PredictionInterval_decreasing_500m.tif
197.53 MB
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PredictionInterval_decreasing_5k.tif
834.08 KB
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PredictionInterval_forest_aff_2p5k.tif
7.17 MB
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PredictionInterval_forest_aff_500m.tif
203.15 MB
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PredictionInterval_forest_aff_5k.tif
961.44 KB
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PredictionInterval_forest_spec_2p5k.tif
7.22 MB
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PredictionInterval_forest_spec_500m.tif
205.04 MB
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PredictionInterval_forest_spec_5k.tif
1.11 MB
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PredictionInterval_frugivores_2p5k.tif
6.13 MB
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PredictionInterval_frugivores_500m.tif
184.56 MB
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PredictionInterval_frugivores_5k.tif
574.84 KB
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PredictionInterval_granivores_2p5k.tif
6.82 MB
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PredictionInterval_granivores_500m.tif
198.77 MB
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PredictionInterval_granivores_5k.tif
752.81 KB
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PredictionInterval_grass_aff_2p5k.tif
6.86 MB
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PredictionInterval_grass_aff_500m.tif
179.18 MB
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PredictionInterval_grass_aff_5k.tif
682.80 KB
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PredictionInterval_grass_spec_2p5k.tif
6.81 MB
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PredictionInterval_grass_spec_500m.tif
187.64 MB
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PredictionInterval_grass_spec_5k.tif
633.20 KB
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PredictionInterval_ground_nest_2p5k.tif
6.91 MB
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PredictionInterval_ground_nest_500m.tif
197.59 MB
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PredictionInterval_ground_nest_5k.tif
795.97 KB
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PredictionInterval_increasing_2p5k.tif
7.21 MB
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PredictionInterval_increasing_500m.tif
200.55 MB
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PredictionInterval_increasing_5k.tif
930.54 KB
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PredictionInterval_insectivores_2p5k.tif
7.16 MB
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PredictionInterval_insectivores_500m.tif
203.32 MB
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PredictionInterval_insectivores_5k.tif
891.54 KB
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PredictionInterval_large_range_2p5k.tif
7.18 MB
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PredictionInterval_large_range_500m.tif
199.04 MB
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PredictionInterval_large_range_5k.tif
981.54 KB
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PredictionInterval_long_dist_migrants_500m.tif
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PredictionInterval_long_dist_migrants_5k.tif
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PredictionInterval_midstory_nest_2p5k.tif
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PredictionInterval_midstory_nest_500m.tif
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PredictionInterval_overall_500m.tif
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PredictionInterval_residents_2p5k.tif
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PredictionInterval_residents_5k.tif
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PredictionInterval_short_dist_migrants_2p5k.tif
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PredictionInterval_short_dist_migrants_500m.tif
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PredictionInterval_short_dist_migrants_5k.tif
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PredictionInterval_shrub_aff_2p5k.tif
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PredictionInterval_shrub_aff_500m.tif
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PredictionInterval_shrub_aff_5k.tif
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PredictionInterval_shrub_spec_2p5k.tif
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PredictionInterval_small_range_2p5k.tif
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PredictionInterval_threatened_2p5k.tif
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README.txt
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Variable_Results.xlsx
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Abstract
Human activities alter ecosystems everywhere, causing rapid biodiversity loss and biotic homogenization. These losses necessitate coordinated conservation actions guided by biodiversity and species distribution spatial data that cover large areas yet have fine-enough resolution to be management-relevant (i.e., ≤ 5 km). However, most biodiversity products are too coarse for management or are only available for small areas. Furthermore, many maps generated for biodiversity assessment and conservation do not explicitly quantify the inherent tradeoff between resolution and accuracy when predicting biodiversity patterns. Our goals were to 1) generate predictive models of overall breeding bird species richness and species richness of different guilds based on nine functional or life history-based traits across the conterminous US at three resolutions (0.5, 2.5, and 5 km), and 2) quantify the tradeoff between resolution and accuracy, and hence relevance for management, of the resulting biodiversity maps. We summarized eighteen years of North American Breeding Bird Survey data (1992-2019) and modeled species richness using random forests, including 66 predictor variables (describing climate, vegetation, geomorphology, and anthropogenic conditions), 20 of which we newly derived. Among the three spatial resolutions, the percent variance explained ranged from 27% to 60% (median = 54%; mean = 57%) for overall species richness and 12% to 87% (median = 61%; mean = 58%) for our different guilds. Overall species richness and guild-specific species richness were best explained at 5-km resolution using approximately 24 predictor variables based on percent variance explained, symmetric mean absolute percentage error, and root mean squared error values. However, our 2.5-km resolution maps were almost as accurate and provided more spatially detailed information, which is why we recommend them for most management applications. Our results represent the first consistent, occurrence-based, and nationwide maps of breeding bird richness with a thorough accuracy assessment that are also spatially detailed enough to inform local management decisions. More broadly, our findings highlight the importance of explicitly considering tradeoffs between resolution and accuracy to create management-relevant biodiversity products for large areas.