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May 2011 - present
December 1990 - present
Publications
Publications (39)
Soft water lakes with isoetids (SLI) are ecosystems prone to degradation due to the low buffer capacity of their waters. One of the main threats resulting from human impact is eutrophication due to agriculture, catchment urbanization and recreational use. In this paper, changes in the water chemistry and transformation of biocoenoses of one of the...
The lobelia lakes, unique and rare in Poland, are located mainly in northern part of country in moraine plateaus of Bytów and Kashubian Lakelands and outwash plains of Tuchola Forest and Charzykowy. In the middle of the twentieth century, there were over 190 lobelia lakes in Poland. Lobelia lakes are classified as so-called soft-water lakes due to...
We report the re‐appearance of the rare charophyte Nitella translucens in Poland. It was identified in the soft‐water lobelian Lake Jeleń (North Poland) during 2013 and 2018 phytolittoral surveys. This species is considered critically endangered in various European countries and was previously classified as extinct in Poland. Its occurrence was con...
Small waterbodies and oxbow lakes play an important role as hotspots of biodiversity and landscape diversity, supplying a range of ecosystem services. However, they are at risk of disappearing. Thus, there is a need for the threats to their existence to be recognised. In this study we aimed to determine whether land uses within small and larger are...
Soft water lakes, or so-called lobelia lakes, which are inhabited by a specific vegetation composed of isoetids, have been subjected to intense research aimed at evaluating their condition and conservation status for many years in Poland. At the time of Poland's accession to the European Union and the implementation of the EU Habitats Directive, th...
The paper presents the results of an investigation of physical-chemical features of water as well as rotifer and crustacean abundance and diversity measures, relating to the taxonomic richness and species diversity index, in three lobelia lakes differing in trophic status and morphometric features. The main purpose of this study was to establish th...
The role of surface runoff from forested areas in chemical cycling and freshwater ecology is still not completely understood. Changes in total precipitation and increase in heavy rainfalls may, however, in some regions promote the effect of runoff in aquatic environments. In this study, we aimed to investigate the physicochemical properties of the...
This study examined the effects of the Great Cormorant (Phalacrocorax carbo sinensis L.) roosting colony on the physico-chemical conditions and macrophyte abundance in a shallow soft-water lobelia lake. We compared data collected in 1998 and 2009, before and after 9 years the establishment of a bird colony (2000) along the shoreline of the Lake Doł...
This study examined the effects of the Great Cormorant (Phalacrocorax carbo sinensis L.) roosting colony on the physico-chemical conditions and macrophyte abundance in a shallow soft-water lobelia lake. We compared data collected in 1998 and 2009, before and after 9 years the birds colony was estabilished (2000) along the shoreline of the Lake Dołg...
The use of simple GIS and GPS techniques as tools supporting field data collection in the process of macrophyte-based assessment and classification of the ecological status of lakes is described in the paper. The ecological status of Lake Długie was determined with traditional water quality evaluation methods, including the “anchor” or “diving and...
Lake Modre is a lobelia lake. Numerous typical plant species occur here, including Lobelia dortmanna, Littorella uniflora, Isoetes lacustris, and Sphagnum denticulatum. They develop the following associations: Lobelietum dortmannae (Oswald 1923) Tx. ap. Dierss. 1972, Isoetetum lacustris Szańkowski et Kłosowski 1996 n.n., and a community with Sphagn...
This paper compares the accuracy of traditional cartographic methods with mapping
techniques that rely on GIS and satellite positioning to determine the location of Isoetes lacustris
communities in Lake Długie near Łukta. Thematic layers were created in GIS based on archival data
and reconnaissance maps showing the distribution of I. lacustris. The...
Zamiarem autorów tego opracowania było zebranie i przybliżenie czytelnikowi
podstawowych wiadomości o jak największej liczbie zbiorników i cieków wodnych,
znajdujących się w granicach administracyjnych Poznania. Do przedstawionych danych
należy przede wszystkim położenie zbiorników, przebieg cieków wodnych, ich cechy
morfometryczne, ale również tam...
Chemical properties of bottom sediments in throughflow lakes located in Drawieński National Park
This study presents and discusses the result of research on the chemical composition of bottom sediments of throughflow lakes located in Drawieński National Park. Basic hydrochemical indicators of the studied sediments are discussed: total organic carbo...
As bream is a species dominant in the commercial fisheries of Lake Dąbie, it was deemed worthwhile to determine the nutritive value of the species. The proximate composition and tissue fatty acid profile of the bream body were determined. The chemistry of the Lake's water in summer was also examined. The study was conducted in July 2004. As shown b...
Chemical parameters of groundwaters in ecotones of peat bogs surrounding or adjacent to three humic lakes (oligo-, meso- and polyhumic) in the Drawa National Park were analysed. Dissolved organic carbon (DOC), dissolved humic substances (DHS), water colour, total dissolved substances (TDS), phosphorus and nitrogen forms, and hardness were compared...
Chemical parameters of groundwaters in ecotones of peat bogs surrounding or adjacent to three humic lakes (oligo-, meso- and polyhumic) in the Drawa National Park were analysed. Dissolved organic carbon (DOC), dissolved humic substances (DHS), water colour, total dissolved substances (TDS), phosphorus and nitrogen forms, and hardness were compared...
The results of long-term research confirm that Lake Czarne in the Drawieński National Park is meromictic due to natural factors, not human influence. The lake is located in a large natural basin, so the tall forest stands covering the steep slopes surrounding the lake protect it from strong winds. Its small surface area and relatively large mean an...
The paper provides morphometric, physicochemical and vegetation structure of the 16 lakes in Drawieński National Park (DNp). These lakes showed considerable differentiation according to their morphometrical and physico-chemical variables. There are distinguished 4 groups of lakes: (1) throughflow
lakes; (2) small, eutrophic non-throughflow lakes; (...
The two pondweed taxa, new for the Polish flora, were found in the Drawa River in the Drawieński National Park (north-western Poland). Patches of P. x sparganiifolius started about 400 m below the mouth of the left-bank tributary, the Korytnica River, and ended about 5.5 km further downstream. The population colonized mainly a sandy substrate with...
An environmental factor which strongly effects the humic lakes are the humic substances, which are formatted in a lake or migrate from the high peat bogs and from the catchment basin covered with pine and mixed forest. The humic substances bring many significant differences in functioning of the ecosystems of the lakes. Special features of humic la...
