Results 121 to 130 of about 1,745 (173)

On mass infection of Sagitta elegans arctica Aurivillus by sexually mature trematodes [PDF]

open access: yes, 1967
In August 1960 in the Barentz Sea the mass invasion of Sagitta elegans arctica Aurivillus by sexually mature trematodes, possibly Derogeres varicus Luhe, 1900, was registered. 20-40 per cent of all the individuals of Sagitta were infected.
Заика, В. Е.   +1 more
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황해 모악류(Sagitta spp.)의 위 내용물 및 지방산 구성을 통한 섭식 생태 이해 [PDF]

open access: yes, 2014
황해에서 모악류(chaetognath)는 동물플랑크톤을 섭식하는 2차 소비자이며, 자․ 치어 및 소형어류의 주요 먹이원으로 알려져 있다. 그럼에도 불구하고 해양생태계 구조 및 기능을 이해하는데 필수적인 이들의 섭식 생태에 대한 연구는 매우 부족하다. 따라서 본 연구에서는 황해 모악류 중 우점하는 Sagitta crassa와 Sagitta spp.(S. nagae and S.
최중기   +3 more
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Sobre la bilogía de las Sagitta del plancton del Levante español [PDF]

open access: yes, 1951
12 pages, 3 figures, 5 tables[EN] In a collection of plankton samples, obtained near Castellón (West Mediterranean, Table I) from January to July 1950, Sagitta bipimdata, S. inflata, and some undetermined specimens of chaetognata were found.
Massuti, Miguel
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The role of Sagitta enflata in the southern Kaneohe Bay ecosystem [PDF]

open access: yes, 1976
The chaetognath Sagitta enflata dominates the standing stock of macrozooplankton,and of planktonic carnivores, in the southern basin of Kaneohe Bay. During 1973-74, sampling with vertical net hauls showed no horizontal patchiness in the population.
Szyper, James P.
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Padrões ecomorfológicos dos otólitos sagitta de peixes no Atlântico sudoeste [PDF]

open access: yes, 2018
Orientador: Prof. Dr. André Martins Vaz dos SantosDissertação (mestrado) - Universidade Federal do Paraná, Setor Palotina, Programa de Pós-Graduação em Aquicultura e Desenvolvimento Sustentável.
Santos, Lucinha, 1991-
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DESCRIÇÃO DOS OTÓLITOS DE TUCUNARÉS (Cichla sp. e Cichla monoculus) NO RESERVATÓRIO DA HIDRELÉTRICA DE VOLTA GRANDE (SP–MG) DESCRIPTION OF THE OTOLITHS OF PEACOCK BASS (CICHLA SP. AND CICHLA MONOCULUS) IN THE RESERVOIR OF VOLTA GRANDE DAM (SP–MG).

open access: yesCiência Animal Brasileira, 2007
Objetivou-se, neste trabalho, caracterizar as sagittae de Cichla sp. e Cichla monoculus introduzidas no reservatório da Hidrelétrica de Volta Grande, assim como as relações de seu comprimento e largura com os comprimentos totais dos peixes.
Francisco Manoel de Souza Braga   +1 more
doaj  

Captain Veeder and Mr. Gray on the Sagitta [PDF]

open access: yes, 2015
Sepia photo of Captain Veeder and Mr. Gray aboard the "Sagitta" upon its launchThe back of the photo reads: "Collectors of M.B.L.

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Investigation of asymmetry in the Sagitta of the bartail flathead Platycephalus indicus (Linnaeus, 1758) in the marine waters of Iraq

open access: yesOceanological and Hydrobiological Studies
In this study, 76 specimens of Platycephalus indicus collected from the coasts of Iraq were examined, assessing the asymmetric square coefficient of variation (CV2a) among three features: the length, width, and weight of the otolith from both sides of ...
Qasim Audai M.   +3 more
doaj   +1 more source

Sagitta batava n.sp. from the Scheldt Estuary, the Netherlands (Chaetognatha) [PDF]

open access: yes, 1966
A new species of Chaetognatha, Sagitta batava, is described. The morphological differences between this new species and closely related ones, especially S. setosa, are given. Ecological and meristic data concerning S.
Van der Spoel, S.   +3 more
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Sagitta bombayensis, Lele and Gae-A synonym of Sagitta robusta Doncaster-with a record of Sagitta pulchra Doncaster, from Indian coastal waters [PDF]

open access: yes, 1949
In the course of a detailed study of chcetognaths of the coastal waters of the different parts of India, some errors in the account of 'The common Sagittae of the Bombay Harbour' by T-Aele and Gae (1936) have come to light. Russell (1936) and Kemp (1938)
George, P C
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