Results 11 to 20 of about 17,941 (253)

Assessing the potential of acoustic indices for protected area monitoring in the Serra do Cipó National Park, Brazil

open access: yesEcological Indicators, 2021
Protected areas (PAs) monitoring is a technical bottleneck that limits the implementation of decision-making processes for natural resource and wildlife management.
Ivan Braga Campos   +7 more
doaj   +3 more sources

Understanding acoustic indices as multi-taxa biodiversity and habitat quality indicators

open access: yesEcological Indicators
Acoustic monitoring captures the sound of nature, revealing biodiversity patterns and underlying drivers. Acoustic indices are increasingly used to analyse obtained recordings, but studies show inconsistent performance of acoustic indices as biodiversity
Saskia Dröge   +9 more
doaj   +3 more sources

Acoustic indices are not useful for biodiversity research

open access: yesMethods in Ecology and Evolution
Biodiversity assessment using passive acoustic monitoring has historically been challenging due to the limited availability of multi‐species acoustic detectors.
Larissa S. M. Sugai   +6 more
doaj   +2 more sources

A Literature Review of Voice Indices Available for Voice Assessment [PDF]

open access: yesJournal of Rehabilitation Sciences and Research, 2022
Background:Recent years have seen the development of voice indices for multi-parametric objective voice evaluation. The current study aims to review these indices and examine their efficiency through the literature.Methods: The study design is a ...
Saeed Saeedi   +2 more
doaj   +1 more source

Predicting bird diversity through acoustic indices within the Atlantic Forest biodiversity hotspot

open access: yesFrontiers in Remote Sensing, 2023
The increasing conversion of natural areas for anthropic land use has been a major cause of habitat loss, destabilizing ecosystems and leading to a biodiversity crisis.
Lucas P. Gaspar   +10 more
doaj   +1 more source

Soundscape structure in forests surrounded by protected and productive areas in central Costa Rica

open access: yesFrontiers in Remote Sensing, 2023
Ecosystems are under a multitude of pressures, including land-use change, overexploitation, pollution, and climate change. Most studies, resources, and conservation efforts are allocated to protected areas, while anthropogenic activities in their ...
Mónica Retamosa Izaguirre   +1 more
doaj   +1 more source

Microbial Acoustical Analyzer for Antibiotic Indication

open access: yesSensors, 2022
In this study, a compact acoustic analyzer for express analysis of antibiotics based on a piezoelectric resonator with a lateral electric field and combined with a computer was developed. The possibility of determining chloramphenicol in aqueous solutions in the concentration range of 0.5–15 μg/mL was shown.
Boris D. Zaitsev   +5 more
openaire   +3 more sources

A Soundscape Assessment of the Oak Forests in the National Park “Homilshanski Lisy” (Northeastern Ukraine)

open access: yesEkológia (Bratislava), 2023
We investigated the properties of the sounds recorded on the territory of the National Park “Homilshanski Lisy” (Kharkiv region, Ukraine). Recordings were made at five points (in mature, middle-aged, and young oak forests, overgrown clear-cut and aspen ...
Atemasov Andrey, Atemasova Tatiana
doaj   +1 more source

Biotic sound SNR influence analysis on acoustic indices

open access: yesFrontiers in Remote Sensing, 2023
In recent years, passive acoustic monitoring (PAM) has become increasingly popular. Many acoustic indices (AIs) have been proposed for rapid biodiversity assessment (RBA), however, most acoustic indices have been reported to be susceptible to abiotic ...
Lei Chen   +3 more
doaj   +1 more source

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