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1.


   
    Ecological Forms of Black Sea Brown Trout (Salmo trutta labrax) in the Mzymta River as Manifestation of Ontogenetic Plasticity / A. A. Makhrov [et al.] // Russ. J. Dev. Biol. - 2018. - Vol. 49, Is. 2. - P117-127, DOI 10.1134/S1062360418020054. - Cited References:77. - This study was supported by the Russian Scientific Foundation, project no. 16-14-10001. . - ISSN 1062-3604. - ISSN 1608-3326
РУБ Developmental Biology
Рубрики:
ATLANTIC SALMON
   POPULATIONS

   HISTORY

   L.

   MIGRATION

   SURVIVAL

Кл.слова (ненормированные):
Salmonidae -- brown trout -- trout -- ontogenesis -- migrations -- maturation -- phenotypic plasticity -- gonads -- smolts
Аннотация: Populations of brown trout in the Mzymta River and its tributaries include anadromous (mainly female) and resident (mainly males) fish. Some resident males in the basin of the Mzymty River attain sexual maturity at the age 1+, and resident females mature at the age 2+ or 3+. The maximum age of resident fish is 4+ in the samples studied. Migrations of anadromous brown trout to the sea occur at the ages 1+, 2+, or 3+. Future spawners spend from 1 to 4 years at feeding grounds in the sea. Smolts of the population are characterized by performing not only spring but also autumn migrations to the sea. One smolt specimen has been detected upstream from the dam in the river where spawners of anadromous brown trout do not migrate; this means that the capability for sea migrations persists long in the population represented only by resident specimens of brown trout. The diversity of life cycles and ecological forms in populations of brown trout is not lower than in populations of brown trout in Northern and Western Europe. The comparison of the data obtained with published data makes it possible to come to the conclusion about the high plasticity of ontogenesis of Black Sea brown trout.

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Держатели документа:
Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow 119071, Russia.
Russian Acad Sci, Fed Res Ctr Krasnoyarsk Sci Ctr, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
St Petersburg State Univ, St Petersburg 199034, Russia.
Azov Res Inst Fisheries, Krasnodar Branch, Krasnodar 350000, Russia.
Moscow MV Lomonosov State Univ, Moscow 119991, Russia.
Kuban State Univ, Krasnodar 350040, Russia.

Доп.точки доступа:
Makhrov, A. A.; Artamonova, V. S.; Murza, I. G.; Pashkov, A. N.; Ponomareva, M. V.; Reshetnikov, S. I.; Christoforov, O. L.; Russian Scientific Foundation [16-14-10001]

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2.


   
    Phenotypic Plasticity and Allometry of Craniological Characters of Anadromous and Lacustrine Forms of Whitefish Coregonus lavaretus (Linnaeus, 1758) as an Indication of the Wrong Species Status of Coregonus pidschian / E. A. Borovikova, J. V. Kodukhova, A. V. Semenova // Contemp. Probl. Ecol. - 2020. - Vol. 13, Is. 6. - P620-630, DOI 10.1134/S1995425520060049. - Cited References:64. - This article was prepared with financial support from the Russian Science Foundation, grant no. 16-14-10001. . - ISSN 1995-4255. - ISSN 1995-4263
РУБ Ecology
Рубрики:
SALMON SALMO-SALAR
   SKULL MORPHOLOGY

   ARCTIC CHARR

   SEA

   L.

Кл.слова (ненормированные):
coregonid fish -- craniological features -- anadromous form -- lacustrine -- form -- plasticity -- allometry -- species status
Аннотация: The variability of craniological characters has been studied for anadromous and lacustrine forms of whitefish Coregonus lavaretus (Linnaeus, 1758) from waterbodies of the Karelian coast of the White Sea. The significant phenotypic plasticity of craniological characters of the whitefish depends on the environmental conditions. Moreover, there is a correlation between indexes of the craniological traits (except for the index of the snout length) and the body and/or head length (allometric effect). These results suggest that it is unreasonable to separate anadromous and lacustrine forms of C. lavaretus as distinct taxonomical units and argues for the invalidity of C. pidschian and C. oxyrinchus species.

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Держатели документа:
Russian Acad Sci, Papanin Inst Biol Inland Waters, Borok 152742, Yaroslavl Oblas, Russia.
Russian Acad Sci, Inst Biophys, Siberian Branch, Akad Gorodok 50-50, Krasnoyarsk 660036, Russia.
Moscow MV Lomonosov State Univ, Fac Biol, Moscow 119234, Russia.

Доп.точки доступа:
Borovikova, E. A.; Kodukhova, J., V; Semenova, A., V; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10001]

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