Using the ecological significance of animal vocalizations to improve inference in acoustic monitoring programs DOI
Connor M. Wood, Holger Klinck,

Michaela Gustafson

et al.

Conservation Biology, Journal Year: 2020, Volume and Issue: 35(1), P. 336 - 345

Published: April 16, 2020

Recent bioacoustic advances have facilitated large-scale population monitoring for acoustically active species. Animal sounds, however, can of information that is underutilized in typical approaches to passive acoustic (PAM) treat sounds simply as detections. We developed 3 methods extracting additional ecological detail from data are applicable a broad range conducted landscape-scale surveys declining owl species and an invasive congeneric competitor California. then used sex-specific vocalization frequency inform multistate occupancy models; call rates at occupied sites characterize interactions with interspecific competitors assess habitat quality; flexible multivariate approach differentiate individuals based on vocal characteristics. The models yielded novel estimates breeding status were more robust false detections captured known associations consistently than single-state agnostic sex. Call rate was related the presence but not quality thus could constitute useful behavioral metric challenging detect framework. Quantifying distance between groups vocalizations provided quantitative means discriminating ≥20 tool balancing type I II errors. Therefore, it appears possible estimate site turnover demographic rates, rather just metrics, PAM programs. Our be applied individually or concert likely generalizable many As such, they opportunities improve inferences benefit conservation.Uso de la Importancia Ecológica las Vocalizaciones Animales para Mejorar Inferencia en los Programas Monitoreo Acústico Resumen Los avances bioacústicos recientes han facilitado el monitoreo gran escala poblaciones especies acústicamente activas. Sin embargo, sonidos animales pueden transmitir cantidades sustanciales información que queda utilizada insuficientemente estrategias comunes acústico pasivo (MAP) tratan como simples detecciones. Desarrollamos tres métodos extracción detalles ecológicos adicionales datos acústicos son aplicables una gama amplia Realizamos censos pasivos paisaje especie búho declinación y un competidor congenérico invasivo Después utilizamos frecuencia vocalizaciones específicas por sexo orientar modelos multiestado ocupación; tasas llamados sitios ocupados caracterizar interacciones con competidores interespecíficos evaluar calidad su hábitat; estrategia multivariada diferenciar individuos base sus características vocales. ocupación brindaron estimaciones novedosas estado reproductivo fueron más sólidas ante detecciones falsas capturaron número asociaciones hábitat sistemáticamente único agnósticos al sexo. La tasa estuvo relacionada presencia pero no del lo tanto podría constituir medida conductual útil difíciles detectar marco trabajo ocupación. cuantificación distancia entre grupos proporcionó medio cuantitativo novedoso discriminar herramienta balancear errores tipo II. Por tanto, parecer hay posibilidad estimar demográficas rotación, lugar sólo medidas ocupación, programas MAP. Nuestros aplicarse individualmente o manera conjunta es probable poder generalizarlas muchas Dicho así, oportunidades mejorar inferencias MAP beneficiar conservación.近年来, 生物声学的发展推动了对叫声活跃物种的大规模种群监测。然而, 动物的声音可以传递大量信息, 这些信息在将声音简单地视为检测信号的被动声学监测的经典方法中还没有得到充分利用。我们开发了三种从声学数据中提取额外生态学细节的方法, 大范围适用于叫声活跃物种。本研究在加利福尼亚对一种数量正在下降的猫头鹰和一种入侵的同类竞争者进行了景观尺度的被动声学调查。我们使用性别特定的发声频率来研究多状态占有模型、在占有位点的鸣叫率 (用于分析与种间竞争者的相互作用和评估生境质量), 以及用一种灵活的多变量方法基于声音特征来区分个体。与不能分辨性别的单一状态占有模型相比, 多状态占有模型对繁殖状态占有率做出了新的估计, 对错误检测更加稳健, 对已知栖息地关联的信息也更加一致。我们还发现, 动物的鸣叫率与竞争者的存在与否有关, 而与栖息地质量无关, 因此可以作为在占有框架中难以检测的互作行为的有效度量标准。鸣叫的组间多变量距离量化为识别超过 20 条声音记录的个体提供了一种新的定量手段, 也是平衡I类错误和II类错误的灵活工具。因此, 我们还有机会在被动声学监测估计位点周转率和种群统计参数, 而不仅仅是占有模型的指标。我们的方法可以单独使用, 也可以协同应用, 且有潜力推广到许多声学活跃的物种中, 从而为改进被动声学监测数据推断提供了机会, 因此有助于保护。【翻译: 胡怡思; 审校: 聂永刚】.

Time and habitat structure shape insect acoustic activity in the Amazon DOI
Leandro Do Nascimento, Cristian Pérez‐Granados, Janderson Batista Rodrigues Alencar

et al.

Philosophical Transactions of the Royal Society B Biological Sciences, Journal Year: 2024, Volume and Issue: 379(1904)

Published: May 5, 2024

Insects are the most diverse animal taxon on Earth and play a key role in ecosystem functioning. However, they often neglected by ecological surveys owing to difficulties involved monitoring this small hyper-diverse taxon. With technological advances biomonitoring analytical methods, these shortcomings may finally be addressed. Here, we performed passive acoustic at 141 sites (eight habitats) investigate insect activity Viruá National Park, Brazil. We first describe frequency range occupied three soniferous groups (cicadas, crickets katydids) calculate evenness index (AEI). Then, assess how AEI varies spatially temporally among habitat types, relationship between vegetation structure variables for each category. Overall, lower narrower bands than cicadas katydids. values varied categories across space time. The highest occurred before sunrise lowest was recorded pastures. Canopy cover positively associated with cricket but not Our findings contribute better understanding of time, shaping within Amazonian ecosystems. This article is part theme issue ‘Towards toolkit global biodiversity monitoring’.

Language: Английский

Citations

7
Have bird distributions shifted along an elevational gradient on a tropical mountain? DOI Creative Commons
Marconi Campos‐Cerqueira, Wayne J. Arendt, Joseph M. Wunderle

et al.

Ecology and Evolution, Journal Year: 2017, Volume and Issue: 7(23), P. 9914 - 9924

Published: Oct. 20, 2017

Abstract An upward shift in elevation is one of the most conspicuous species responses to climate change. Nevertheless, downward shifts and, apparently, absences response have also been recently reported. Given growing evidence multiple distributions due change and paucity studies tropics, we evaluated a montane bird community change, without confounding effects land‐use To test for elevational shifts, compared distribution 21 avian 1998 2015 using occupancy models. The historical data set was based on point counts, whereas contemporary acoustic monitoring. We detected similar number (36) sets (33). show an overall pattern no significant range limits species, although there limit eight (38%). Elevation shifted mostly upward, this more common upper than lower limits. Our results highlight variability illustrate how monitoring provides easy powerful way monitor animal populations along gradients.

Language: Английский

Citations

61
How does FSC forest certification affect the acoustically active fauna in Madre de Dios, Peru? DOI Creative Commons
Marconi Campos‐Cerqueira, José Luis Mena, Vania Tejeda‐Gómez

et al.

Remote Sensing in Ecology and Conservation, Journal Year: 2019, Volume and Issue: 6(3), P. 274 - 285

Published: June 24, 2019

Abstract Despite several efforts to quantify the effectiveness of forest certification in developing sustainable use resources, there is little evidence that certified forests are more effective conserving fauna than non‐certified managed forest. To evaluate impact on fauna, we compared biodiversity reference sites ( n = 23), Forest Stewardship Council FSC ) management 24) and non‐ 20) Tahuamanu region Peru, during dry season 2017. Specifically, determined if acoustic space used ASU ), soundscapes composition, bird richness composition significantly varied among three types. Variation was best explained by type mean greater sites, possibly suggesting acoustically active species. An ordination analysis showed a significant difference There dissimilarity soundscape between overlap sites. Bird identifications resulted 11,300 detections 226 species were not different types, indicating, this context, birds may be indicators strategies. The weak discrimination community likely due their dispersal ability, undisturbed primary matrix, occurrence bamboo patches. differences types most insects, which sensitive changes microhabitat differences. Our findings correspond with conclusions other studies can maintain levels similar those Amazon region.

Language: Английский

Citations

54
Validating metabarcoding-based biodiversity assessments with multi-species occupancy models: A case study using coastal marine eDNA DOI Creative Commons
Beverly McClenaghan, Zacchaeus G. Compson, Mehrdad Hajibabaei

et al.

PLoS ONE, Journal Year: 2020, Volume and Issue: 15(3), P. e0224119 - e0224119

Published: March 19, 2020

Environmental DNA (eDNA) metabarcoding is an increasingly popular method for rapid biodiversity assessment. As with any ecological survey, false negatives can arise during sampling and, if unaccounted for, lead to biased results and potentially misdiagnosed environmental assessments. We developed a multi-scale, multi-species occupancy model the analysis of community data resulting from eDNA metabarcoding; this accounts imperfect detection additional sources experimental variation. present methods assessment comparison demonstrate how these tools improve inferential power using case study in coastal, marine environment. Using models account factors often overlooked will dramatically inference, design, methodologies, empowering practitioners approach wield high-resolution next-generation sequencing platforms.

Language: Английский

Citations

44
Using the ecological significance of animal vocalizations to improve inference in acoustic monitoring programs DOI
Connor M. Wood, Holger Klinck,

Michaela Gustafson

et al.

Conservation Biology, Journal Year: 2020, Volume and Issue: 35(1), P. 336 - 345

Published: April 16, 2020

Recent bioacoustic advances have facilitated large-scale population monitoring for acoustically active species. Animal sounds, however, can of information that is underutilized in typical approaches to passive acoustic (PAM) treat sounds simply as detections. We developed 3 methods extracting additional ecological detail from data are applicable a broad range conducted landscape-scale surveys declining owl species and an invasive congeneric competitor California. then used sex-specific vocalization frequency inform multistate occupancy models; call rates at occupied sites characterize interactions with interspecific competitors assess habitat quality; flexible multivariate approach differentiate individuals based on vocal characteristics. The models yielded novel estimates breeding status were more robust false detections captured known associations consistently than single-state agnostic sex. Call rate was related the presence but not quality thus could constitute useful behavioral metric challenging detect framework. Quantifying distance between groups vocalizations provided quantitative means discriminating ≥20 tool balancing type I II errors. Therefore, it appears possible estimate site turnover demographic rates, rather just metrics, PAM programs. Our be applied individually or concert likely generalizable many As such, they opportunities improve inferences benefit conservation.Uso de la Importancia Ecológica las Vocalizaciones Animales para Mejorar Inferencia en los Programas Monitoreo Acústico Resumen Los avances bioacústicos recientes han facilitado el monitoreo gran escala poblaciones especies acústicamente activas. Sin embargo, sonidos animales pueden transmitir cantidades sustanciales información que queda utilizada insuficientemente estrategias comunes acústico pasivo (MAP) tratan como simples detecciones. Desarrollamos tres métodos extracción detalles ecológicos adicionales datos acústicos son aplicables una gama amplia Realizamos censos pasivos paisaje especie búho declinación y un competidor congenérico invasivo Después utilizamos frecuencia vocalizaciones específicas por sexo orientar modelos multiestado ocupación; tasas llamados sitios ocupados caracterizar interacciones con competidores interespecíficos evaluar calidad su hábitat; estrategia multivariada diferenciar individuos base sus características vocales. ocupación brindaron estimaciones novedosas estado reproductivo fueron más sólidas ante detecciones falsas capturaron número asociaciones hábitat sistemáticamente único agnósticos al sexo. La tasa estuvo relacionada presencia pero no del lo tanto podría constituir medida conductual útil difíciles detectar marco trabajo ocupación. cuantificación distancia entre grupos proporcionó medio cuantitativo novedoso discriminar herramienta balancear errores tipo II. Por tanto, parecer hay posibilidad estimar demográficas rotación, lugar sólo medidas ocupación, programas MAP. Nuestros aplicarse individualmente o manera conjunta es probable poder generalizarlas muchas Dicho así, oportunidades mejorar inferencias MAP beneficiar conservación.近年来, 生物声学的发展推动了对叫声活跃物种的大规模种群监测。然而, 动物的声音可以传递大量信息, 这些信息在将声音简单地视为检测信号的被动声学监测的经典方法中还没有得到充分利用。我们开发了三种从声学数据中提取额外生态学细节的方法, 大范围适用于叫声活跃物种。本研究在加利福尼亚对一种数量正在下降的猫头鹰和一种入侵的同类竞争者进行了景观尺度的被动声学调查。我们使用性别特定的发声频率来研究多状态占有模型、在占有位点的鸣叫率 (用于分析与种间竞争者的相互作用和评估生境质量), 以及用一种灵活的多变量方法基于声音特征来区分个体。与不能分辨性别的单一状态占有模型相比, 多状态占有模型对繁殖状态占有率做出了新的估计, 对错误检测更加稳健, 对已知栖息地关联的信息也更加一致。我们还发现, 动物的鸣叫率与竞争者的存在与否有关, 而与栖息地质量无关, 因此可以作为在占有框架中难以检测的互作行为的有效度量标准。鸣叫的组间多变量距离量化为识别超过 20 条声音记录的个体提供了一种新的定量手段, 也是平衡I类错误和II类错误的灵活工具。因此, 我们还有机会在被动声学监测估计位点周转率和种群统计参数, 而不仅仅是占有模型的指标。我们的方法可以单独使用, 也可以协同应用, 且有潜力推广到许多声学活跃的物种中, 从而为改进被动声学监测数据推断提供了机会, 因此有助于保护。【翻译: 胡怡思; 审校: 聂永刚】.

Citations

44