Abundance trends 1 Biodiversity 1 Biodiversity data bias 1 Biodiversity indicators 1 Biodiversity loss 1 Canada 1 Data quality 1 Indicator indicator 1 Living Planet Index 1 Living planet index 1 National biodiversity indicator National biodiversity indicators 1 Population decline 1 Population statistics 1 Taxonomic groups 1 Time series 1 Times series 1 Vertebrata 1 abundance estimation 1 biodiversity 1 bioindicator 1 divergence 1 methodology 1 native species 1 population decline 1 time series analysis 1 trend analysis 1 vertebrate 1