公民科学评估中斑啄木鸟的细粒分布和栖息地利用

IF 0.8 4区 生物学 Q3 ORNITHOLOGY Acta Ornithologica Pub Date : 2021-03-19 DOI:10.3161/00016454AO2020.55.2.011
José M. Fernández-García, H. Robles
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引用次数: 2

摘要

摘要公民科学(即由志愿者参与数据收集的监测或研究计划)正在成为一种越来越常用的工具,它可能产生可靠的物种分布范围估计。在2017年和2018年,我们通过结合两种公民科学方法,评估了巴斯克地区(西班牙北部)中斑啄木鸟的细粒分布和栖息地使用情况:从互联网协作数据库收集的机会主义观察,以及经过特定物种实地调查协议培训的志愿者收集的标准化记录。在34个机会性观测中,有6个位于先前已知的分布范围之外。由于这些观察结果的可靠性难以评估,因此应该对机会性观察结果进行验证,以避免误报。在1 km2的95个UTM单元内,采用点位计数和音频刺激的方法对中斑啄木鸟的发生情况进行了调查。其中29个单位有啄木鸟的记录。结合最近的物种特异性研究,我们的结果表明,中斑啄木鸟主要发生在一个核心的连续范围内(Izki森林及其周围有69个单位)和两个较小的范围内(Montes de Vitoria 6个单位和Sierra de Entzia 5个单位)。在以前已知的分布范围中,物种特异性方法表明,啄木鸟的发生受距离核心伊兹基林的距离的负面影响,在较小程度上受林分树基面积的积极影响。特定种野外调查方法可以改善中斑啄木鸟分布范围的划定和栖息地利用的评估,而机会主义方法指出了被忽视的范围,但对评估中斑啄木鸟的细粒分布效果有限。
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Citizen Science to Assess the Fine-Grain Distribution and Habitat Use of the Middle Spotted Woodpecker Dendrocoptes medius
Abstract. Citizen science (i.e. monitoring or research schemes with volunteer participation in data collection) is becoming an increasingly used tool that may yield reliable estimates of species distribution ranges. In 2017 and 2018, we assessed the fine-grain distribution and habitat use of the Middle Spotted Woodpecker in the Basque Country (N Spain) by combining two citizen science approaches: opportunistic observations gathered from internet collaborative databases, and standardised records collected by volunteers trained with a species-specific fieldwork protocol. Six out of the thirty-four opportunistic observations were located out of previously known distribution ranges. Because the reliability of those observations was difficult to assess, opportunistic observations should be validated to avoid false positives. As for the species-specific approach, Middle Spotted Woodpecker occurrence was examined by conducting itineraries with point counts and audio-stimulation, sampled twice during the pre-breeding season, in 95 UTM units of 1 km2. Woodpeckers were recorded in 29 of those units. In combination with recent species-specific studies, our results show that Middle Spotted Woodpeckers occurred mainly in a core, continuous range (69 positive units in and around the Izki forest) and in two smaller ranges (6 units in Montes de Vitoria and 5 units in Sierra de Entzia). Out of previously known distribution ranges, the species-specific approach showed that woodpecker occurrence was negatively affected by the distance to the core Izki forest and, to a lesser extent, positively influenced by the tree basal area of the forest stand. While the species-specific fieldwork approach allowed to improve the delineation of distribution ranges and the assessment of habitat use, the opportunistic approach pointed out to overlooked ranges but showed limited efficacy to assess the fine-grain distribution of the Middle Spotted Woodpecker.
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来源期刊
Acta Ornithologica
Acta Ornithologica 生物-鸟类学
CiteScore
2.10
自引率
0.00%
发文量
14
审稿时长
>12 weeks
期刊介绍: Publishes scientific papers (original research reports, reviews, short notes, etc.) and announcements from all fields of ornithology. All manuscripts are peer-reviewed. Established in 1933 as Acta Ornithologica Musei Zoologici Polonici, since 1953 continued under the present title. Published twice a year by the Natura Optima Dux Foundation under the auspices of the Museum and Institute of Zoology, Polish Academy of Sciences.
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