Piotr Kukliński

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The current understanding of Arctic ecosystems is deeply rooted in the classical view of a bottom-up controlled system with strong physical forcing and seasonality in primary-production regimes. Consequently, the Arctic polar night is commonly disregarded as a time of year when biological activities are reduced to a minimum due to a reduced food supply.(More)
The main goal of this study was to determine the concentrations of trace elements in the mineralogically contrasting shells of two Arctic bivalves: Chlamys islandica and Ciliatocardium ciliatum. Aragonite shells seem to be more susceptible to the binding of metal ions, which is most likely a result of their crystal lattice structure. We suggest that less(More)
The Arctic system is one of the regions most influenced by ongoing global climate change, but there are still critical gaps in our knowledge regarding a substantial number of biological processes. This is especially true for processes taking place during the Arctic winter but also for seasonal processes, such as the dynamics of intra-annual meroplankton(More)
In the literature, there is a large amount of evidence on mutual and commensal associations between actiniarians and deca-pods (see Ross 1983 and references therein). Among all these studies, only Davenport (1962) and Schrieken (1965) dealt with Hyas spp. Their work, however, was performed in aquaria and concerned only young crab individuals (Davenport(More)
A growing body of evidence suggests that ocean acidification acting synergistically with ocean warming alters carbonate biomineralization in a variety of marine biota. Magnesium often substitutes for Ca in the calcite skeletons of marine invertebrates, increasing their solubility. The spatio-environmental distribution of Mg in marine invertebrates has(More)
Recruitment pattern of benthic fauna in temperate marine ecosystems is still not well recognized, particularly in inland coastal seas with distinct environmental and ecological conditions. This study investigates the effect of natural surrounding community structure, environmental variables and substrate orientation on short-term recruitment of motile and(More)
This is the first attempt to compile a comprehensive and updated species list for Hydrozoa in the Arctic, encompassing both hydroid and medusa stages and including Siphonophorae. We address the hypothesis that the presence of a pelagic stage (holo- or meroplanktonic) was not necessary to successfully recolonize the Arctic by Hydrozoa after the Last Glacial(More)
production of the selector itself — not initiation of its expression (Figure 1B). Initiation of terminal selector gene expression is, rather, triggered through transient regulatory inputs — signals and transcription factors that are only temporally present in a short window of time when a neuron is born. These transient inputs feed into the terminal(More)
Our understanding of diatoms, one of the most important Antarctic primary producers, is based mostly on investigations of plankton, sea-ice, and sediment samples. Herein, we contribute to the limited research devoted to benthic Antarctic diatoms by presenting a study on epiphytic diatom communities sampled in two remote Antarctic regions: Admiralty Bay(More)
The knowledge of cryptic epifaunal groups in the Arctic is far from complete mostly due to logistic difficulties. Only recently, advances in sample collection using SCUBA diving techniques have enabled to explore delicate hydroid fauna from shallow waters. This study is the first attempt to examine the relationship between substrate property (such as size(More)