Invertebrates in the diet of collared flycatcher (Ficedula albicollis) nestlings in transformed forest ecosystems of north-eastern Ukraine

IF 0.7 4区农林科学 Q3 FORESTRY

Baltic Forestry Pub Date : 2022-06-16 DOI:10.46490/bf439

A. Chaplyhina, D. Yuzyk, N. Savynska, Viktor M. Hramma

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引用次数: 1

Abstract

The diet composition of collared flycatcher nestlings, Ficedula albicollis (Temminck, 1815), in the transformed forests of northeastern Ukraine was investigated to present an argument for conservation management actions that could benefit the species. Food pellets were collected from nestlings in four study sites with differing levels of recreational disturbance over 10 breeding seasons. The invertebrates they contained were identified, divided into trophic groups and compared across sites. A total of 1,160 food pellets were collected, containing 3,253 invertebrates from 294 species. Insects comprised 83% of the prey, with the most abundant orders of Diptera, Coleoptera and Lepidoptera. The smallest diversity of prey species was found in samples from the most disturbed site. The qualitative composition of the prey items showed that zoophages were the most frequent trophic group encountered, followed by phytophages, saprophages, polyphages, and necrophages. However, the order of trophic group frequency varied between sites. Although collared flycatchers forage within a limited area, their diet is characterized by a wide diversity of prey, and they exploit all forest layers. Key words: collared flycatcher, diet, trophic links, zoophages, phytophages, saprophages, necrophages, polyphages

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乌克兰东北部森林生态系统改造后的领蝇(Ficedula albicollis)雏鸟食性中的无脊椎动物

对乌克兰东北部改造后的森林中的带领捕蝇雏鸟Ficedula albicollis（Temminck，1815）的饮食组成进行了调查，为保护管理行动提供了一个有利于该物种的论据。从四个研究地点的雏鸟身上采集了食物颗粒，这些研究地点在10个繁殖季节内有不同程度的娱乐干扰。对它们所含的无脊椎动物进行了鉴定，将其分为营养组，并在不同地点进行了比较。共收集了1160个食物颗粒，其中包括294个物种的3253个无脊椎动物。昆虫占猎物的83%，其中数量最丰富的有翅目、鞘翅目和鳞翅目。在最受干扰的地点的样本中发现了最小的猎物物种多样性。猎物的定性组成表明，浮游动物是最常见的营养群，其次是植食性、腐食性、多食性和尸食性。然而，不同地点的营养群频率顺序不同。尽管领蝇在有限的区域内觅食，但它们的饮食特点是猎物种类繁多，而且它们会利用所有的森林层。关键词：领蝇，饮食，营养环节，浮游动物，植食性动物，腐生物，尸食性动物，多食性动物

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来源期刊

Baltic Forestry 农林科学-林学

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal welcomes the original articles as well as short reports, review papers on forestry and forest science throughout the Baltic Sea region and elsewhere in the area of boreal and temperate forests. The Baltic Sea region is rather unique through its intrinsic environment and distinguished geographical and social conditions. A temperate climate, transitional and continental, has influenced formation of the mixed coniferous and deciduous stands of high productivity and biological diversity. The forest science has been affected by the ideas from both the East and West. In 1995, Forest Research Institutes and Universities from Estonia, Latvia and Lithuania joined their efforts to publish BALTIC FORESTRY.