Research Project Title

Assessing Bird Diversity in the Saltese Uplands Conservation Area Using Bioacoustic Monitoring and Cluster Analysis

Session Type

Poster Presentation

Research Project Abstract

This pilot study aims to compare population densities of bird species between two ecologically distinct locations within the Saltese Uplands Conservation Area by applying statistical classification and cluster analysis to large samples of acoustic recordings. Audio clips from riparian and shrub steppe locations were converted into spectrograms to create a training model by manually assigning labels to each spectrogram/audio pair. The training model was used to then classify species and produce a cluster analysis of the spectrograms. Of the 5,799 riparian vocalizations, 22 distinct vocalizations were detected compared to 20 distinct vocalizations from 1,611 recordings in the shrub steppe. 17 vocalizations were common to both ecosystems. The results indicate a higher biodiversity profile for the riparian ecosystem or a difference in habitat usage.

Session Number

PS1

Location

HUB Multipurpose Room

Abstract Number

PS1-q

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Apr 28th, 9:15 AM Apr 28th, 10:45 AM

Assessing Bird Diversity in the Saltese Uplands Conservation Area Using Bioacoustic Monitoring and Cluster Analysis

HUB Multipurpose Room

This pilot study aims to compare population densities of bird species between two ecologically distinct locations within the Saltese Uplands Conservation Area by applying statistical classification and cluster analysis to large samples of acoustic recordings. Audio clips from riparian and shrub steppe locations were converted into spectrograms to create a training model by manually assigning labels to each spectrogram/audio pair. The training model was used to then classify species and produce a cluster analysis of the spectrograms. Of the 5,799 riparian vocalizations, 22 distinct vocalizations were detected compared to 20 distinct vocalizations from 1,611 recordings in the shrub steppe. 17 vocalizations were common to both ecosystems. The results indicate a higher biodiversity profile for the riparian ecosystem or a difference in habitat usage.