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Tamara Alezandrovna Shiganova

Tamara Alezandrovna Shiganova
Shirshov Institute of Oceanology of Russian Academy of Sciences · Department of ecology of seas and oceans, Lab. Structure and dynamics of plankton communities

PhD and D.Sci

About

105
Publications
55,719
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3,595
Citations
Additional affiliations
January 2005 - present
P.P. Shirshov Institute of Oceanology
Position
  • PHD and D,Sci
January 2003 - December 2006
January 1998 - December 2011
P.P.Shirshov Institute of oceanology Russian Academy of Sciences
Position
  • Senior Researcher

Publications

Publications (105)
Article
Genetic and morphological analyses were used to revise historical controversies in identities of Beroe species in the southern seas of Europe. DNA analyses with ITS sequences were used to explore their phylogenetic relationships. Three species of Beroe were initially listed as occurring in the Mediterranean Sea. Recently, the specimens were often r...
Article
Full-text available
Genetic and morphological analyses were used to revise historical controversies in identities of Beroe species in the southern seas of Europe. DNA analyses with ITS sequences were used to explore their phylogenetic relationships. Three species of Beroe were initially listed as occurring in the Mediterranean Sea. Recently, the specimens were often r...
Article
Aurelia spp. ephyrae have been reported to form blooms in sea cucumber aquaculture ponds in the Bohai and Yellow Seas. To identify the species, we carried out a genetic analysis of Aurelia spp. ephyrae and medusae based on mitochondrial 16S rRNA gene. Samples of four Aurelia sp. ephyrae populations were collected in sea cucumber aquaculture ponds a...
Article
Comprehensive synthesis of the harmful invader ctenophore Mnemiopsis leidyi adaptive strategies and its validation as of a single polymorphic species has been presented. Its high morphological and physiological variability in different environments were demonstrated. M. leidyi being native for eastern coasts of Americas, since the early 1980s began...
Article
Full-text available
The two non-native ctenophores Beroe ovata Bruguière, 1789, and Mnemiopsis leidyi A. Agassiz, 1865, were reported off the Lebanese waters. Beroe ovata Bruguière, 1789, a specialized predator on Mnemiopsis leidyi, was collected and photographed on May 2 th 2019, during fieldwork in Beirut waters. While Mnemiopsis leidyi was reported for the first ti...
Article
For the first time record of Beroe ovata off Lattakia, Syria in 2019 together with its prey, Mnemiopsis leidyi A. Agassiz, 1865 is presented. Both species probably arrived in the Mediterranean Sea with ballast waters and currents from the Black Sea. They are non-native ctenophores for the Syrian coastal waters. However, while M. leidyi is a harmful...
Article
Abstract Harmful invader ctenophore Mnemiopsis leidyi's expansions in the Eurasian Seas, its spatio-temporal population dynamics depending on environmental conditions in recipient habitats have been synthesized. M. leidyi found suitable temperature, salinity and productivity conditions in the temperate and subtropical environments of the semi-enc...
Article
A B S T R A C T Since the late 1990s, global warming has increased especially in Eurasia. With the temperature rising, the harmful invasive species such as « ecosystem engineer » Mnemiopsis leidyi spread into the seas of Eurasia and continues expanding around the world. Based on field data we defined the ranges of key environmental parameters (SST,...
Article
The number of released individuals, which is a component of propagule pressure, is considered to be a major driver for the establishment success of non-native species. However, propagule pressure is often assumed to result from single or few release events, which does not necessarily apply to the frequent releases of invertebrates or other taxa thr...
Article
Effect of invasive ctenophores Mnemiopsis leidyi and Beroe ovata on low trophic webs of the Black Sea ecosystem T.A. Shiganovaa,⁎, A.S. Mikaelyana, S. Monchevab, K. Stefanovab, V.K. Chasovnikova, S.A. Mosharova, I.N. Mosharovaa, N. Slabakovab, R. Mavrodievab, E. Stefanovab, D.N. Zaskoa, B. Dzhurovab a Shirshov Institute of Oceanology, Russian Acade...
Book
Full-text available
The most dangerous invasive species of Russia (TOP-100) / Eds. Yu.Yu. Dgebuadze, V.G. Petrosyan, L.A. Khlyap. M.: KMK Scientific Press, 2018, 688 p. The book is devoted to biological invasions of alien species. It is the first presentation of the list and summarized information on the 100 worst invasive species (TOP-100) in Russia which can pose th...
Article
Full-text available
This paper presents the assessment of a change in the shelf ecosystem state under biological pollution based on a mathematical model of the annual cycle of its main pelagic parameters. The Northern Cas-pian region was chosen as an example and the impact of invader Mnemiopsis leidyi was taken as a biological pollution. Using the previously calculate...
Article
Full-text available
The genus Beroe Browne, 1756 (Ctenophora, Beroidae) occurs worldwide, with 25 currently-described species. Because the genus is poorly studied, the definitive number of species is uncertain. Recently, a possible new Beroe species was suggested based on internal transcribed spacer 1 (ITS1) sequences from samples collected in Svalbard, Norway. Anothe...
Article
We analyzed the main factors that controlled the prey-predator dynamics of two invasive ctenophores, Mnemiopsis leidyi and Beroe ovata in the Black Sea using a demographic model. We assessed the bottom up cascading effect from edible zooplankton to its consumer M. leidyi and its predator B. ovata. For these purposes, we used life cycles of both cte...
Chapter
Full-text available
Since the early 2000s, the Caspian littoral states have made some progress towards 118 development of more effective national conservation policies and implementation 119 of international commitments, such as the CBD Convention (https://www.cbd.int/) 120 and other biodiversity-related international agreements (Table 1). However, efforts 121 to reco...
Article
Mnemiopsis leidyi has successfully made the transition from its native spatial range along the Atlantic coast of North and South America to many areas of the Eurasian seas. In summer 2016, we observed M. leidyi at several sites within the northern Adriatic (Mediterranean Sea). Here we describe the spatio-temporal distribution of this invasive cteno...
Article
Full-text available
This volume contains the main results of the EC FP7 “The Ocean of Tomorrow” Project CoCoNet, divided in two sections: 1) a set of guidelines to design networks of Marine Protected Areas in the Mediterranean and the Black Seas; 2) a smart wind chart that will allow evaluating the possibility of installing Offshore Wind Farms in both seas. The concep...
Book
Full-text available
The European Red List of Habitats provides an overview of the risk of collapse (degree of endangerment) of marine, terrestrial and freshwater habitats in the European Union (EU28) and adjacent regions (EU28+), based on a consistent set of categories and criteria, and detailed data and expert knowledge from involved countries1. A total of 257 benthi...
Chapter
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Caspian biodiversity protection is mainly focused on the recovery of a few valuable commercial species such as beluga (Huso huso Linnaeus), Russian sturgeon (Acipenser gueldenstaedtii Brandt), Persian Sturgeon (Acipenser persicus Borodin), Ship Sturgeon (Acipenser nudiventris Lovetsky) and stellate sturgeon (Acipenser stellatus Pallas) and Caspian...
Technical Report
Full-text available
Jellyfish swarms in the Southern European Seas (SES: Mediterranean and Black Seas) are a recurrent phenomenon which is attracting a groundswell of scientific and societal interest, with potential repercussions for public health, recreation, tourism, fisheries, aquaculture and marine ecosystem health. But this phenomenon also occurs in other areas o...
Book
Full-text available
The European Red List of Habitats provides an overview of the risk of collapse (degree of endangerment) of marine, terrestrial and freshwater habitats in the European Union (EU28) and adjacent regions (EU28+), based on a consistent set of categories and criteria, and detailed data and expert knowledge from involved countries. A total of 257 benthic...
Article
Full-text available
A non-native species of the cyclopoid copepod in the genus Oithona was first recorded in the Black Sea in 2001 and was initially identified as Oithona brevicornis Giesbrecht, 1891. During the following years, this species became widely distributed first in the coastal then in the open areas of the Black Sea and later spread into the adjacent Sea of...
Article
Full-text available
PERSEUS project aims to identify the most relevant pressures exerted on the ecosystems of the Southern European Seas (SES), highlighting knowledge and data gaps that endanger the achievement of SES Good Environmental Status (GES) as mandated by the Marine Strategy Framework Directive (MSFD). A complementary approach has been adopted, by a meta-anal...
Article
Full-text available
In September 2014 an unusual mixture of ctenophores was recorded at Arboretet, south-western Norway and at Flødevigen, near Arendal on the south coast of Norway. In addition to the invasive American lobate ctenophore, Mnemiopsis leidyi, the common northern lobate ctenophore Bolinopsis infundibulum and the cydippid Pleurobrachia pileus , two beroid...
Technical Report
Full-text available
The ICES/CIESM Joint Workshop on Mnemiopsis Science (JWMS) chaired by Sophie Pitois (UK) and Tamara Shiganova (Russia), met in A Coruña, Spain from 18 to 20 September 2014. Scientists affiliated with the International Council for the Exploration of the Sea (ICES) and the Mediterranean Science Commission (CIESM) participated in the Joint Workshop to...
Article
Full-text available
Invasion of the carnivorous ctenophore Mnemiopsis leidyi in the Black Sea in the 1980s disrupted the ecosystem, which started to recover with the arrival of the predatory ctenophore Beroe ovata in 1997. We used the results of 25 yr of field observations and experiments in the northeastern Black Sea to assess 3 hypotheses that should explain most of...
Article
Full-text available
Abstract Between mid-December 2011 and mid-January 2012 an unusual mixture of ctenophores was observed and collected at Kerteminde harbour (Great Belt, Denmark). In addition to native zooplanktivorous species Pleurobrachia pileus (O.F. Müller, 1776) and Bolinopsis infundibulum (O.F. Müller, 1776), non-native zooplanktivorous Mnemiopsis leidyi A. Ag...
Article
Full-text available
Between mid-December 2011 and mid-January 2012 an unusual mixture of ctenophores was observed and collected at Kerteminde harbor (Great Belt, Denmark). In addition to native zooplanktivorous species Pleurobrachia pileus (O.F. Müller, 1776) and Bolinopsis infundibulum (O.F. Müller, 1776), non-native zooplanktivorous Mnemiopsis leidyi A. Agissiz, 186...
Article
Full-text available
The warty comb jelly, Leucothea multicornis, was noted off the Mediterranean coast of Israel in May and June 2014. Though recorded multiple times in the western and central Mediterranean Sea, this is the first record of the species from the eastern basin. The transient localized blooms and longer-term persistent increases in native and alien ctenop...
Article
Full-text available
Gelatinous zooplankton outbreaks have increased globally owing to a number of human-mediated factors, including food web alterations and species introductions. The invasive ctenophore Mnemiopsis leidyi entered the Black Sea in the early 1980s. The invasion was followed by the Azov, Caspian, Baltic and North Seas, and, most recently, the Mediterrane...
Article
Full-text available
Data from our investigations and other publications on the Mediterranean species records in the Black Sea are summarized in the article. The number of such findings has increased in the last decades both in the southern Black Sea, where these species have always occurred, and in the other areas of the Black Sea owing to a rise of the water surface...
Article
Full-text available
The genus Mnemiopsis is comprised of a single species, Mnemiopsis leidyi A. Agassiz, 1865, that has recently made the transition from a distribu-tion limited to the Atlantic coasts of North and South America to an invasive range that includes the Black, Caspian, Mediterranean, North, and Baltic seas. We review the foundations of the ctenophore's in...
Article
Full-text available
The ctenophore Bolinopsis vitrea is first reported from the Turkish and Bulgarian regions of the Black Sea. In Turkish waters, a considerable aggregation was found in Sile on the Asian side and at Kilyos on the European side in 2007. This appears to be the first record of this species in the Black Sea, which is known in the Mediterranean Sea includ...
Article
Full-text available
A specific marine biological data management tool, the Black Sea Mnemiopsis leidyi database system was created within the European Commission 6th framework Black Sea SCENE project for the Black Sea region and is now being supported by the Permanent Secretariat of the Black Sea Commission. The core team of scientists studying M. leidyi in the Black...
Article
Full-text available
The introduction and spread of non-indigenous species (NIS) in marine ecosystems accelerated during the twentieth century owing to human activities, notably international shipping. Genetic analysis has proven useful in understanding the invasion history and dynamics of colonizing NIS and identifying their source population(s). Here we investigated...
Article
Full-text available
The American brown comb jelly, Beroe ovata, was first noted off the Mediterranean coast of Israel on 10 June 2011, outside the port of Ashdod. The occurrence of B. ovata soon after its prey, Mnemiopsis leidyi, had been recorded follows the pattern of spread elsewhere, yet its presence in the warm and saline waters of the SE Levant is a surprise.
Chapter
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Article
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Comparative analysis of patterns of species invasion, dispersal, and impact on ecosystems in the Ponto-Caspian seas has been ongoing since 1900. The Black Sea is an important international shipping destination. High shipping intensity has facilitated species invasions into the Black Sea. Many species have successfully established because of Black S...
Article
Full-text available
The gelatinous macroplankters Mnemiopsis leidyi and Phyllorhiza punctata are recorded for the first time from the Italian coasts of the Western Mediterranean. In the framework of the CIESM Jellywatch campaign in the summer of 2009, M. leidyi was recorded from the Ligurian, Tyrrhenian, and Ionian Seas, including swarming episodes that, together with...
Chapter
Full-text available
The brackish-water seas of Europe, i.e. the Black (including the Sea of Azov), Caspian and Baltic Seas, can be regarded as “brackish-water islands”, locked in by land masses and isolated from other major brackish-water bodies by physical (ocean and land) barriers. During the last two centuries, more than 300 alien species have been recorded in the...
Article
Full-text available
The American comb jelly, Mnemiopsis leidyi, was first noted off the central Mediterranean coast of Israel on 3 March 2009, when a swarm interfered with the operation of a desalination plant. Throughout the spring dense populations have been recorded along the entire Israeli coast. The occurrence of M. leidyi in the SE Levant is of great concern bec...
Article
Full-text available
Observations of ctenophore species were made in the Gulf of Trieste between 2003 and 2006. We examined native ctenophore species with special attention to representatives of the orders Lobata and Beroida, and we recorded among them two non-native ctenophores: Mnemiopsis leidyi A. Agassiz 1865 and Beroe ovata sensu Mayer, 1912. The validity of the M...
Chapter
More than 60 prominent scientists working on the Black Sea ecosystem have contributed to this report. Despite this is the most comprehensive report on the State of Environment of the Black Sea for the period 2001-2007, limitation in the systematically collected data and indicators, makes a conclusive inference difficult on the real state of the eco...
Article
Full-text available
A new alien species Beroe ovata Mayer 1912 was recorded in the Aegean Sea. It is most likely that this species spread on the currents from the Black Sea. Beroe ovata is also alien to the Black Sea, where it was introduced in ballast waters from the Atlantic coastal area of the northern America. The species is established in the Black Sea and has de...
Chapter
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Based on the data of long-term observations, principal hydrological and hydrochemical characteristics of the Sea of Azov such as the water temperature, salinity, and oxygen and nutrient contents are assessed. Features of the seasonal and interannual variations under the action of natural and anthropogenic factors are shown. The biodiversity of the...
Chapter
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Due to increasing human activities such as shipping, deliberate stocking, and accidental introduction, ahigh number of alien species have become established in the Black Sea over the last century. In addition, global warming facilitates the population increase of thermophilic species and their northward expansion from the Mediterranean. As aresult,...
Chapter
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Inland waterways have provided opportunities for the spread of aquatic non-indigenous species (NIS) for many centuries (reviewed in Ketelaars 2004, Galil and Minchin 2006, Galil et al. 2007). Canals connecting different river basins have allowed for range extensions of many species, either by active movement and/or by ship transport. Over the past...