Trends in bird populations as environmental indicators

Koskimies, Pertti

doi:10.3233/sju-1988-5303

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2019

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“…Intensive research and huge amounts of investments in several fields have been applied in order to mitigate, study, and gauge further changes (Rosenzweig and Parry, 2004;Edenhofer, 2015;Simmonds et al, 2007;Stephens et al, 2016). As shown by several studies (Koskimies, 1988;Gregory, 2009;Stephens et al, 2016), changes in bird population size are one indication of the impact of human activity in the environment.…”

Section: Introductionmentioning

confidence: 99%

Machine Learning for Identifying an Endengered Brazilian Psittacidae Species

Padovese¹,

Padovese²

2019

J ENVIRON INFORM LET

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Bird population census is an important indicator in conservation programs. However, the process of detecting and identifying particular species is time-consuming and challenging, often being conducted in remote locations. In this scenario, the development of automated acoustic systems for bird monitoring is crucial. In this study, we propose a simple but effective 3-step approach for identifying the Amazona rhodocorytha, an endangered Brazilian parrot, among 4 other species belonging to the same family. This approach consists of a pre-processing step, a feature extraction step using the MFCC algorithm and a classification step by employing an Artificial Neural Network. Results show that the proposed approach is both suitable and robust for this type of application, achieving excellent classification results of up to 98% accuracy.

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