Results 41 to 50 of about 904 (177)

The importance of various species of molluscs – second intermediate hosts – in maintaining the circulation of polychostal species of trematodes in the water bodies of the Ukrainian Polissya

open access: yesБіологічні студії
Background. The paper considers the importance of various species of molluscs as second intermediate hosts in the circulation of polyhostal species of trematodes in the Ukrainian Polissya.
Olena Zhytova
doaj   +1 more source

Таблиці для визначення молюсків родин Lithoglyphidae, Melanopsidae, Вithyniidae [PDF]

open access: yes, 2002
Наводяться таблиці для визначення підродин, родів і видів Lithoglyphidae, Melanopsidae ...
Градовський, В. М.
core  

The freshwater snails of the genus Bythinella Moquin-Tandon (Gastropoda: Rissooidea: Hydrobiidae) from Montenegro [PDF]

open access: yes, 2010
New records of freshwater snails of the genus Bythinella Moquin-Tandon from Montenegro are presented. Bythinella dispersa, 1973 and B. luteola Radoman, 1976 are recognized and defined as separate species; B. taraensis n.
Gloer P., Pešić V.
core   +1 more source

ECOLOGICAL AND BIOLOGICAL ASPECTS OF CIRCULATION OF OPISTHORCHIDS UNDER CONDITIONS OF VORONEZH REGION

open access: yesРоссийский паразитологический журнал, 2016
Objective of research: a study on the ecological and biological features of circulation of opisthorchiasis in conditions of Upper Don river (Voronezh region) based on retrospective and modern original materials.
E. N. Romashova, B. V. Romashov
doaj  

Lacustrine mollusc radiations in the Lake Malawi Basin : experiments in a natural laboratory for evolution [PDF]

open access: yes, 2012
In terminal Pliocene-early Pleistocene times, part of the Malawi Basin was occupied by paleo-lake Chiwondo. Molluscan biostratigraphy situates this freshwater lake either in the East African wet phase between 2.7-2.4 Ma or that of 2.0-1.8 Ma.
Gautier, Achilles, Van Damme, Dirk
core   +3 more sources

Некоторые направления адаптивной эволюции кладок яиц пресноводных брюхоногих моллюсков [PDF]

open access: yes, 2002
В работе обсуждаются морфологические типы кладок яиц пресноводных брюхоногих моллюсков и ос-новные пути эволюции их адаптаций к размножению в пресных ...
Берёзкина, Г. В.
core  

Notocotylus Loeiensis n. sp. (Trematoda: Notocotylidae) from Rattus Losea (Rodentia: Muridae) in Thailand [PDF]

open access: yes, 2011
Notocotylus loeiensis n. sp. (Trematoda : Notocotylidae) du caecum du petit rat des rizières (Rattus losea) a été observé chez huit rats sur 88 (9,1 %) dans la province de Loei en Thaïlande. Cette nouvelle espèce diffère de celles de Notocotylus décrites
Chaisiri, Kittipong   +2 more
core   +1 more source

Fauna of gastropod molluscs in the Curonian Lagoon littoral biotopes (Baltic Sea, Kaliningrad region, Russia) [PDF]

open access: yes, 2011
A survey of the gastropod mollusc fauna in the coastal waters of the southern part of the Curonian Lagoon (Kaliningrad region, Russia) were carried out. Study revealed 34 aquatic gastropods representing 30% of Prosobranchia and 70% of Pulmonata. Obtained
Dmitry Filippenko
core  

Исследование влияния паводков и некоторых биотических факторов на распространение моллюсков семейства Bithyniidae

open access: yesBiosfera, 2019
Исследована зависимость плотности популяций моллюсков семейства Bithyniidae, первого промежуточного хозяина Opistorchis felineus (кошачьей двуустки), от максимального уровня половодья, концентрации загрязняющих веществ и наличия улитковой пиявки в водоемах Ханты-Мансийского автономного округа. Исследование проводилось на реках Обь (г. Сургут), Иртыш (г.
openaire   +2 more sources

Decomposition and biological colonization of native and exotic leaf litter in a Central Spain stream [PDF]

open access: yes, 2015
Riparian invasion by exotic trees may lead to changes in the quality of leaf-litter inputs to freshwater ecosystems. Leaflitter inputs are especially important in headwater streams, where aquatic food webs largely depend on the organic matter provided by
Alonso, Álvaro   +4 more
core   +1 more source

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