Discriminating eaters: Sea stars asterias rubens L. Feed preferably on mytilus trossulus gould in mixed stocks of mytilus trossulus and mytilus edulis L

Vadim Khaitov, Anna Makarycheva, Mikhail Gantsevich, Natalia Lentsman, Maria Skazina, Anastasia Gagarina, Marina Katolikova, Petr Strelkov

Результат исследований: Научные публикации в периодических изданияхстатьянаучнаярецензирование

Выдержка

Sea stars Asterias rubens are important natural enemies of the blue mussel Mytilus in the North Atlantic. We asked whether these predators distinguish between the cryptic species M. edulis and M. trossulus that occur sympatrically in the White Sea. In mixed experimental stocks, the odds of being eaten by sea stars were about four times greater for M. trossulus. We also showed that A. rubens preferred smaller mussels to larger ones, irrespective of their species affinity. Our findings support earlier indirect observations showing that sea stars recognize M. trossulus as a more preferable prey than M. edulis. Dramatic differences in the vulnerability to sea star predation may explain the segregation of habitats between the two mussel species in contact zones; M. trossulus usually tends to occupy habitats where the sea star predators are scarce.

Язык оригиналаанглийский
Страницы (с-по)85-95
Число страниц11
ЖурналBiological Bulletin
Том234
Номер выпуска2
DOI
СостояниеОпубликовано - 1 апр 2018

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    Предметные области Scopus

    • Земледелие и биологические науки (все)

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    Khaitov, Vadim ; Makarycheva, Anna ; Gantsevich, Mikhail ; Lentsman, Natalia ; Skazina, Maria ; Gagarina, Anastasia ; Katolikova, Marina ; Strelkov, Petr. / Discriminating eaters : Sea stars asterias rubens L. Feed preferably on mytilus trossulus gould in mixed stocks of mytilus trossulus and mytilus edulis L. В: Biological Bulletin. 2018 ; Том 234, № 2. стр. 85-95.
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    abstract = "Sea stars Asterias rubens are important natural enemies of the blue mussel Mytilus in the North Atlantic. We asked whether these predators distinguish between the cryptic species M. edulis and M. trossulus that occur sympatrically in the White Sea. In mixed experimental stocks, the odds of being eaten by sea stars were about four times greater for M. trossulus. We also showed that A. rubens preferred smaller mussels to larger ones, irrespective of their species affinity. Our findings support earlier indirect observations showing that sea stars recognize M. trossulus as a more preferable prey than M. edulis. Dramatic differences in the vulnerability to sea star predation may explain the segregation of habitats between the two mussel species in contact zones; M. trossulus usually tends to occupy habitats where the sea star predators are scarce.",
    keywords = "SMALL INTERTIDAL ANIMALS, BLUE MUSSEL, INDUCIBLE DEFENSES, EFFECTS MODELS, GENUS MYTILUS, M. TROSSULUS, BALTIC SEA, PREDATOR, HABITAT, BEHAVIOR",
    author = "Vadim Khaitov and Anna Makarycheva and Mikhail Gantsevich and Natalia Lentsman and Maria Skazina and Anastasia Gagarina and Marina Katolikova and Petr Strelkov",
    year = "2018",
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    Discriminating eaters : Sea stars asterias rubens L. Feed preferably on mytilus trossulus gould in mixed stocks of mytilus trossulus and mytilus edulis L. / Khaitov, Vadim; Makarycheva, Anna; Gantsevich, Mikhail; Lentsman, Natalia; Skazina, Maria; Gagarina, Anastasia; Katolikova, Marina; Strelkov, Petr.

    В: Biological Bulletin, Том 234, № 2, 01.04.2018, стр. 85-95.

    Результат исследований: Научные публикации в периодических изданияхстатьянаучнаярецензирование

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    AU - Khaitov, Vadim

    AU - Makarycheva, Anna

    AU - Gantsevich, Mikhail

    AU - Lentsman, Natalia

    AU - Skazina, Maria

    AU - Gagarina, Anastasia

    AU - Katolikova, Marina

    AU - Strelkov, Petr

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    KW - EFFECTS MODELS

    KW - GENUS MYTILUS

    KW - M. TROSSULUS

    KW - BALTIC SEA

    KW - PREDATOR

    KW - HABITAT

    KW - BEHAVIOR

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    JO - Biological Bulletin

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