Bioacoustic Assessment of Mangrove Health: Influence of Habitat Characteristics on Bird Richness

IF 1.8 3区环境科学与生态学 Q3 ECOLOGY

Biotropica Pub Date : 2025-01-17 DOI:10.1111/btp.13427

Al-Kautsar Hidayanto Abdul Rahim, Chong Leong Puan, Amera Natasha Mah Muhammad Adam Mah, Mohamed Zakaria, Nurhaidah Jamaludin, Nurul Syafiqa Abdul Wahaf

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Abstract

Mangroves play a vital role in coastal ecosystems, providing numerous ecosystem functions and services as well as supporting high levels of biodiversity. Using a bioacoustic approach, we assessed the influence of mangrove habitat variables on birds in four sites in Peninsular Malaysia. We set up 20 bioacoustic audio recorders across Telok Gong, Kapar Tambahan, Banjar Utara Forest Reserves, and Kuala Selangor Nature Park. The recorders operated for 30 min every hour over a period of 24 h for seven consecutive days. We assessed the habitat characteristics at each site by establishing one 20 m × 20 m quadrat at each of the recording points. Generalized linear mixed models indicated that the percentage of canopy cover, average tree height, forest age, number of saplings, forest size, and ground cover positively influenced bird richness. Our findings highlight the importance of maintaining these habitat features to support higher bird species richness in mangroves. This study demonstrated the possible use of bioacoustics to assess mangrove restoration recovery progress via birds as bioindicators.

Abstract in Malay is available with online material.

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红树林健康的生物声学评价：生境特征对鸟类丰富度的影响

红树林在沿海生态系统中发挥着至关重要的作用，提供许多生态系统功能和服务，并支持高度的生物多样性。利用生物声学方法，我们评估了马来西亚半岛四个地点红树林栖息地变量对鸟类的影响。我们在直落公、卡帕坦巴汉、班加尔乌塔拉森林保护区和吉隆坡雪兰莪自然公园设置了20个生物声学录音机。记录仪在连续7天的24小时内每小时工作30分钟。我们通过在每个记录点建立一个20 m × 20 m的样方来评估每个站点的生境特征。广义线性混合模型表明，林冠覆盖度、平均树高、林龄、幼树数、森林大小和地面覆盖度对鸟类丰富度有正向影响。我们的研究结果强调了维持这些栖息地特征的重要性，以支持红树林中更高的鸟类物种丰富度。本研究证明了生物声学通过鸟类作为生物指标来评估红树林恢复进程的可能性。马来语摘要可以在网上找到。

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来源期刊

Biotropica 环境科学-生态学

CiteScore

4.10

自引率

9.50%

发文量

122

审稿时长

8-16 weeks

期刊介绍： Ranked by the ISI index, Biotropica is a highly regarded source of original research on the ecology, conservation and management of all tropical ecosystems, and on the evolution, behavior, and population biology of tropical organisms. Published on behalf of the Association of Tropical Biology and Conservation, the journal''s Special Issues and Special Sections quickly become indispensable references for researchers in the field. Biotropica publishes timely Papers, Reviews, Commentaries, and Insights. Commentaries generate thought-provoking ideas that frequently initiate fruitful debate and discussion, while Reviews provide authoritative and analytical overviews of topics of current conservation or ecological importance. The newly instituted category Insights replaces Short Communications.