Planktonic communities in a small post-peat reservoir (Ustka Forest District, Poland)

Q3 Agricultural and Biological Sciences

Folia Forestalia Polonica, Series A Pub Date : 2021-09-01 DOI:10.2478/ffp-2021-0026

K. Rychert, Magdalena Wielgat-Rychert, Anna Matviikiv, Y. Kryvoshei, A. Parfeniuk

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引用次数: 1

Abstract

Abstract The aim of this study was to evaluate the present state of a small (area of 0.2 ha), shallow (mean depth of 2 m) and approximately 30-year-old post-peat reservoir located in Bruskowskie Bagno, a Baltic raised mire in northern Poland. The study was conducted during all seasons of the year (August 2019–July 2020). The reservoir was characterised by a yellow to brown water colour, low pH (5.4) and quite low conductivity (40.4 μS cm-1), which are the main features of dystrophic water bodies. Similar to natural, dystrophic lakes and ponds, the phytoplankton was mainly composed of mixotrophic species like Dinobryon sp. and Gonyostomum semen. The only numerous non-flagellate group within the phytoplankton was desmids, which indicated that the water was influenced by the mire. The reservoir was characterised by a high abundance of ciliates (annual mean of 55.6 cells ml-1) and a very high abundance of rotifers (annual mean of 3.72 ind. ml-1). Among ciliates, the most important were prostomatids, accounting for 53% of the mean annual ciliate abundance. The results of our study indicate that artificial, approximately 30-year-old, post-peat reservoir resembled a natural dystrophic water body.

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一个小型泥炭后水库的浮游生物群落(波兰Ustka林区)

本研究的目的是评估位于波兰北部波罗的海隆起沼泽Bruskowskie Bagno的一个小(面积0.2 ha)、浅(平均深度2 m)、大约30年的后泥炭储层的现状。该研究在一年中的所有季节(2019年8月至2020年7月)进行。水库水体呈黄褐色，pH值低(5.4)，电导率低(40.4 μS cm-1)，是营养不良水体的主要特征。与天然的营养不良的湖泊和池塘类似，浮游植物主要由混合营养物种组成，如Dinobryon sp.和Gonyostomum semen。浮游植物中唯一数量众多的非鞭毛虫群是desmids，这表明水体受到了泥沼的影响。水库的特征是高丰度的纤毛虫(年平均55.6个细胞/ ml-1)和非常高丰度的轮虫(年平均3.72个细胞/ ml-1)。在纤毛虫中，最重要的是原口虫，占年平均纤毛虫丰度的53%。研究结果表明，近30年的人工后泥炭储层类似于天然的营养不良水体。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Folia Forestalia Polonica, Series A Agricultural and Biological Sciences-Forestry

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： FOLIA FORESTALIA POLONICA, SERIES A – FORESTRY is a forest science magazine addressed to scientists, administrators and policy-makers in forestry, agroforestry, ecology, environment and resource management. The language of publication is English and papers from any region of the world are welcome.