{"id":"W2974449448","doi":"10.1126/science.aaw1313","title":"Decline of the North American avifauna","year":2019,"lang":"en","type":"article","venue":"Science","topic":"Ecology and Vegetation Dynamics Studies","field":"Environmental Science","cited_by":2057,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada","funders":"Amazon Web Services; National Science Foundation","keywords":"Abundance (ecology); Biodiversity; Extinction (optical mineralogy); Range (aeronautics); Biome; Ecosystem; Ecology; Geography; Population; Biomass (ecology); Ecosystem services; Biology; Demography","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004288717924201321,"score_gpt":0.2254674943381759,"score_spread":0.2211787764139746,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}