Development of snow crab Chionoecetes opilio (Crustacea: Decapoda: Oregonidae) invasion in the Kara Sea

Zalota, Anna K.; Спиридонов, В. А.; Vedenin, Andrey

doi:10.1007/s00300-018-2337-y

Cited by 35 publications

(25 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, the actual temperatures selected by adult snow crab in the Barents Sea may be even lower than those reported in our study. This is supported by a recent study from the Kara Sea showing that juvenile snow crab may enter also sub-zero waters (Zalota et al 2018). Snow crab, on the other hand, clearly avoided temperatures >2 °C after 6 h in a gradient.…”

Section: Discussionsupporting

confidence: 65%

Temperature selection and the final thermal preferendum of snow crab (Chionoecetes opilio, Decapoda) from the Barents Sea

et al. 2019

View full text Add to dashboard Cite

The snow crab (Chionoecetes opilio) is an invasive species new to the Barents Sea that expands its geographic range by larval drift and adult migration. To evaluate the potential spreading of the species in the Barents Sea, we investigated temperature selection and the final thermal preferendum (FTP) of 9 adult males in a free choice horizontal temperature gradient (~1.0-5.5 °C) for 24 hours. The crabs displayed clear behavioral thermoregulationat test start they explored the entire temperature range but eventually gravitated towards a FTP zone of 1.0-1.6 °C (mean 1.4 °C) after 6 h in the gradient. Our tests show that adult male snow crab is limited to cold waters, and suggest a spreading further into the Euro-Arctic shelf seas.

show abstract

Section: Discussionsupporting

confidence: 65%

Temperature selection and the final thermal preferendum of snow crab (Chionoecetes opilio, Decapoda) from the Barents Sea

et al. 2019

View full text Add to dashboard Cite

show abstract

“…During 1995During -2003 in the frame of several international projects (SIRRO, SPASIBA) there have been investigated physical and biogeochemical properties of the Kara Sea (Galimov et al 2006). Considering the climatic changes that have occurred for the last decades (Groisman and Soja 2009, Blunden and Arndt 2016) the marine ecosystem has changed nowadays: in the south-western part of the sea there are observed invasive species of crab (Zalota et al 2018), and cod larvae (never performed in the species composition of ichthyoplankton) are found in the southern bays of the Novaya Zemlya archipelago (NZA).…”

Section: Introductionmentioning

confidence: 99%

The role of river runoff in the Kara Sea surface layer acidification and carbonate system changes

Polukhin

2019

Environ. Res. Lett.

View full text Add to dashboard Cite

This study aims to perform the results of the investigation of the Kara Sea carbonate system (CS) changes and the factors that determine it. The important feature of the Kara Sea water structure is strong stratification caused mainly by the Ob' and Yenisey rivers discharge which is estimated as 81% of the total continental runoff to sea. Occurring climate changes, as an increase in the total volume of the Arctic Ocean water (due to melting of glaciers, sea ice decline and river runoff increase), air temperature and CO 2 concentration growth should affect greatly the Kara Sea CS. However, riverine water influence seems to be the main driver of future acidification of the Kara Sea water due to permafrost thawing as it stores a great amount of buried carbon. An increase of carbon (mainly inorganic) flow to the sea will lead to carbonate equilibrium shift, oxidation of organic matter and release of CO 2 that ultimately leads to a decrease in pH and therefore acidification. The area of the riverine plume depends on the amount of freshwater flowing into the sea and the conditions of the wind forcing. According to the data from Shirshov Institute cruises within the plume area aragonite saturation is below 1 that shows its state as acidified. Prevalence of pCO 2 values in the freshened surface layer over the atmospheric shows that atmospheric carbon dioxide, apparently, cannot serve as the main driver for the acidification of the surface waters of the Kara Sea. At the shallow shelf to the north of the Ob′ Inlet mouth we observe acidification of the whole water column from surface to the bottom layer due to elevated riverine discharge and increase of flowing terrestrial carbon.

show abstract

“…The snow crab, Chionoecetes opilio (Decapoda: Oregonidae) invaded vast areas of the Barents and Kara seas with unprecedented speed for a shelf species (Pavlov, 2006; Pavlov & Sundet, 2011; Zimina, 2014; Bakanev, 2015; Sokolov et al, 2016; Spiridonov & Zalota, 2017; Zalota, Spiridonov & Vedenin, 2018). The native range of this species covers the North-Western Atlantic (Newfoundland and Labrador waters, south-west Greenland shelf to southern Baffin Bay) (Squires, 1990); the North Pacific northwards of the Aleutian Islands and the Sea of Japan (Slizkin, 1982), and the Chukchi Sea westward to the boundary with the East Siberian Sea and eastward to the Beaufort Sea (Slizkin, Fedotov & Khen, 2007; Sirenko & Vassilenko, 2008).…”

Section: Introductionmentioning

confidence: 99%

“…The snow crab population grew in the Barents Sea and expanded towards the Kara Sea. The first crabs were found on the boundary of the two seas in 2008 (Strelkova, 2016), then in the north-west of the Kara Sea in 2010 and 2011 (Strelkova, 2016; Zalota, Spiridonov & Vedenin, 2018). Both adults and larvae were caught in the south-western Kara Sea in 2012 (Zimina, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…In less than five years after the initial records, Ch . opilio was observed over the entire western Kara Sea shelf (Zalota, Spiridonov & Vedenin, 2018). A high abundance of adult snow crabs was recorded in 2013 in the south-western Kara Sea, between the Yamal Peninsula and the Kara Gate Strait, which is the entrance from the Barents Sea (Strelkova, 2016).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Combining data from different sampling methods to study the development of an alien crabChionoecetes opilioinvasion in the remote and pristine Arctic Kara Sea

Zalota

Зимина

Спиридонов

2019

PeerJ

Self Cite

View full text Add to dashboard Cite

Data obtained using three different types of sampling gear is compared and combined to assess the size composition and density of a non-indigenous snow crab population Chionoecetes opilio in the previously free of alien species Kara Sea benthos. The Sigsbee trawl has small mesh and catches even recently settled crabs. The large bottom trawl is able to catch large crabs, but does not retain younger crabs, due to its large mesh. Video sampling allows the observation of larger crabs, although some smaller crabs can also be spotted. The combined use of such gear could provide full scope data of the existing size groups in a population. The density of the crabs was calculated from the video footage. The highest figures were in Blagopoluchiya Bay at 0.87 crabs/m2, where the settlement seems to be reaching its first peak of population growth after the introduction. High density in the Kara Gates Strait at 0.55 crabs/m2, could be due to the close proximity of the Barents Sea from where the crabs can enter by both larval dispersal and active adult migration. All size groups have been present in most sampled areas, which suggest successful settlement and growth of crabs over a number of years. Again, this was not the case in Blagopoluchiya Bay with high density of small crabs (<30 mm CW), which confirms its recent population growth. Male to female ratio was strikingly different between the bays of the Novaya Zemlya Archipelago and west of the Yamal Peninsula (0.8 and 3.8 respectively). Seventy five ovigerous females were caught in 2016, which confirms the presence of a reproducing population in the Kara Sea. The spatial structure of the snow crab population in the Kara Sea is still in the process of formation. The presented data indicates that this process may lead to a complex system, which is based on local recruitment and transport of larvae from the Barents Sea and across the western Kara shelf; formation of nursery grounds; active migration of adults and their concentration in the areas of the shelf with appropriate feeding conditions.

show abstract

Development of snow crab Chionoecetes opilio (Crustacea: Decapoda: Oregonidae) invasion in the Kara Sea

Cited by 35 publications

References 36 publications

Temperature selection and the final thermal preferendum of snow crab (Chionoecetes opilio, Decapoda) from the Barents Sea

Temperature selection and the final thermal preferendum of snow crab (Chionoecetes opilio, Decapoda) from the Barents Sea

The role of river runoff in the Kara Sea surface layer acidification and carbonate system changes

Combining data from different sampling methods to study the development of an alien crabChionoecetes opilioinvasion in the remote and pristine Arctic Kara Sea

Contact Info

Product

Resources

About