Equivalence of citizen science and scientific data for modelling species distribution of birds from a tropical savanna

AUSTRAL ECOLOGY(2023)

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摘要
The Wallacean deficit continues to be a challenge to species distribution modelling. Although some authors have suggested that data collected by citizen scientists can be relevant for a better understanding of biodiversity, to our knowledge, no work has quantitatively tested the equivalence between scientific and citizen science data. Here, we investigate the hypothesis that data collected by citizen scientists can be equivalent to data collected by professional scientists when generating species spatial distribution models. For 42 bird species in the Cerrado region we generated and compared species distribution models based on three data sources: (1) scientific data, (2) citizen science data and (3) sample size corrected citizen science data. To test our hypothesis, we compared the equivalence of these datasets. We rejected the hypothesis of equivalence for about one-third (38%) of the evaluated species, revealing that, for most of the species considered, the models generated were equivalent irrespective of the data set used. The distances between centroids of the models that were equivalent were on average smaller than the distances between non-equivalent models. Also, the direction of change in the models showed no pattern, with no trend towards more populated regions. Our results show that the use of data collected by citizen scientists can be an ally in filling the Wallacean deficit gap. In fact, the lack of use of this wide range of data collected by citizen scientists seems to be an unjustified caution. We indicate the potential of using citizen science data for modelling the distribution of species, mainly due to the large set of data collected, which is impracticable for scientists alone to collect. Conservation measures will be favoured by the union of professional and amateur data, aiming for a better understanding of species distribution and, consequently, biodiversity conservation. O deficit wallaceano continua a ser um desafio para a modelagem da distribuicao das especies. Embora alguns autores tenham sugerido que os dados recolhidos por cientistas cidadaos podem ser relevantes para uma melhor compreensao da biodiversidade, pelon osso conhecimento, nenhum trabalho testou quantitativamente a equivalencia entre dados cientificos e de ciencia cidada. Aqui, investigamos a hipotese de que os dados coletados por cientistas cidadaos podem ser equivalentes aos dados coletados por cientistas profissionais na geracao de modelos de distribuicao espacial de especies. Para 42 especies de aves na regiao do Cerrado, geramos e comparamos modelos de distribuicao de especies baseados em tres fontes de dados: 1) dados cientificos, 2) dados da ciencia cidada, e 3) dados da ciencia cidada corrigidos pelo tamanho da amostra. Para testar a nossa hipotese, comparamos a equivalencia destes conjuntos de dados. Rejeitamos a hipotese de equivalencia para cerca de 1/3 (38%) das especies avaliadas, revelando que, para a maioria das especies consideradas, os modelos gerados eram equivalentes independentemente do conjunto de dados utilizado. As distancias entre os centroides dos modelos equivalentes foram, em media, menores do que as distancias entre os modelos nao equivalentes. Ainda, a direcao da mudanca nos modelos nao mostrou nenhum padrao, sem tendencia para regioes mais populosas. Os nossos resultados mostram que a utilizacao de dados recolhidos por cientistas cidadaos pode ser um aliado no preenchimento da lacuna do deficit wallaceano. De fato, nao utilizar esta vasta gama de dados recolhidos por cientistas cidadaos parece ser uma precaucao injustificada. Indicamos o potencial da utilizacao de dados da ciencia cidada para a modelacao da distribuicao das especies, principalmente devido ao grande conjunto de dados recolhidos, cujo recolhimento e impraticavel apenas para os cientistas. As medidas de conservacao serao favorecidas pela uniao de dados profissionais e amadores, visando uma melhor compreensao da distribuicao das especies e, consequentemente, a conservacao da biodiversidade. The Wallacean deficit continues to be a challenge to species distribution modelling. Here, we investigate the hypothesis that data collected by citizen scientists (CIT) are equivalent to data collected by professional scientists (SCI) when generating species spatial distribution models. We indicate the potential of using citizen science data for modelling the distribution of species, mainly due to the large set of data collected, which is impracticable to be collected by scientists alone.image
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关键词
species distribution,birds,citizen science,scientific data
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