The phytobenthos of the Hornsund fiord, SW Spitsbergen

Florczyk, I.; Latala, Adam

doi:10.3402/polar.v7i1.6828

Cited by 9 publications

(3 citation statements)

References 3 publications

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“…During field work, fronds of Ascophyllum (shipwrack, a common species in northern Norway) were noted drifting along the west coast of Spitsbergen; however, in the last 20 years, no settled specimens have been found. All the macrophyte species noted here as new for the littoral zone were noted previously on Svalbard and in Hornsund in the sublittoral (Svendsen 1959;Florczyk and Latała 1989).…”

Section: Discussionsupporting

confidence: 54%

Increase in biodiversity in the arctic rocky littoral, Sorkappland, Svalbard, after 20 years of climate warming

2010

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Rocky littoral macroorganisms that live between the high and low water marks were sampled in the summers of 1988 and 2007-2008 in Hornsund Fjord and along the adjacent Sorkappland coast (76-77°N). The same sampling stations and methodology were used to collect the samples. Over the last 20 years, the study area has been exposed to well-documented increases in air and sea temperature, increased windiness, and marked decreases in both the duration and extent of sea ice cover. The study revealed a twofold increase in the number of species found intertidally, a threefold increase in the biomass of macrophytes, and an upward shift in algae occurrence on the coast. Subarctic boreal species occupied new areas, while arctic species retreated. There were no species new to the area in 2007-2008, and all newcomers to the intertidal zone were noted in 1988 in the sublittoral zone. The relative stability of intertidal flora and fauna after 20 years is explained by the fact that the warm Atlantic waters (the main warming agent) are distant from the Sorkappland coast. Current observations show a marked change in the coastal belt biocenosis.

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Section: Discussionsupporting

confidence: 54%

Increase in biodiversity in the arctic rocky littoral, Sorkappland, Svalbard, after 20 years of climate warming

2010

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“…Western winds generate long, high wind waves, as well as oceanic swell. Short−term waves can reach a height of approximately 1 m but long swell waves from the open sea can reach heights of approximately 5-6 m (Florczyk and Latała 1989).…”

Section: Study Areamentioning

confidence: 99%

Multidecadal (1960–2011) shoreline changes in Isbjørnhamna (Hornsund, Svalbard)

Zagórski¹,

Rodzik²,

Moskalik³

et al. 2015

Polish Polar Research

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A section of a gravel−dominated coast in Isbjørnhamna (Hornsund, Svalbard) was analysed to calculate the rate of shoreline changes and explain processes controlling coastal zone development over last 50 years. Between 1960 and 2011, coastal landscape of Isbjørn− hamna experienced a significant shift from dominated by influence of tide−water glacier and protected by prolonged sea−ice conditions towards storm−affected and rapidly changing coast. Information derived from analyses of aerial images and geomorphological mapping shows that the Isbjørnhamna coastal zone is dominated by coastal erosion resulting in a shore area reduc− tion of more than 31,600 m 2 . With~3,500 m 2 of local aggradation, the general balance of changes in the study area of the shore is negative, and amounts to a loss of more than 28,000 m ). Erosional processes threaten the Polish Polar Station infrastructure and may damage of one of the storage buildings in nearby future.

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“…The most complete list comprises 146 species, of which 24 were reported as new for the region (Hansen & Jenneborg 1996). A few other papers dealing with Spitsbergen's benthic algae have been published: Florczyk & Latala (1989) studied the phytobenthos of Hornsund in southern Spitsbergen; Hansen & Haugen (1989) published some observations on the intertidal communities of western Spitsbergen; Weslawski et al (1993) studied the intertidal zone at 242 sites in Svalbard; Wiktor et al (1995) published an atlas of marine flora from the southern part of Spitsbergen; and Wiencke et al (2004) studied species composition and the zonation pattern in Kongsfjorden. Wiencke and co-workers have published several papers on different aspects of Svalbard's marine algae (see Wiencke 2011).…”

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confidence: 99%