Results 91 to 100 of about 2,542 (212)

Assessment of the efficiency of Funnel net and Hokkaido traps for Astacus leptodactylus Eschscholtz, 1823 catching in ponds [PDF]

open access: yesبوم‌شناسی آبزیان, 2020
Various fishing tools have been used for catching Astacus leptodactylus in the world. In this research, a trap was specially designed for crayfish fishing with some changes in the shape and dimensions of the Hokkaido trap, and its efficiency was compared
Mohammad Javad Vesaghi   +4 more
doaj  

On the distribution of alien non-marine and estuarine macro-crustaceans in Belgium [PDF]

open access: yes, 2002
The distributions of fifteen species of macroscopic crustaceans living in non-marine and estuarine environments in Belgium are discussed. The species in question are: the conchostracan Leptestheria dahalacensis, the amphipods Gammarus tigrinus ...
Wouters, K.
core  

Apparent interspecific transmission of Aphanomyces astaci from invasive signal to virile crayfish in a sympatric wild population [PDF]

open access: yes, 2017
The crayfish plague pathogen (Aphanomyces astaci) causes mass mortalities of European crayfish when transmitted from its original North American crayfish hosts.
Cable, Joanne   +4 more
core   +2 more sources

Komparativna analiza morfometrijskih značajki vrsta riječni rak (Astacus astacus) i uskoškari rak (Astacus leptodactylus) [PDF]

open access: yes, 2013
Riječni rak, Astacus astacus, i uskoškari rak, Astacus leptodactylus, su autohtone europske vrste desetoronoţnih rakova iz porodice Astacidae. U rijeci Mrežnici su rasprostranjene obje vrste, s tim da vrsta A. astacus nastanjuje gornji, uzvodni dio toka, a vrsta A. leptodactylus obitava u donjem dijelu toka te pokazuje tendenciju uzvodnog širenja.
openaire   +2 more sources

Determination of Fecundity of Astacus leptodactylus (Eschscholtz, 1823) Under Culture Conditions

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2019
In this study, it was aimed to determine there and fecundity by adapting crayfish (Astacus leptodactylus) obtained from Bafra Fish Lakes (Ulugöl-Samsun) in culture conditions.
Gülşen Uzun Gören   +2 more
doaj   +1 more source

Тепловодное культивирование сеголетка длиннопалого рака (Astacus leptodactylus Esch.) в земляных прудах [PDF]

open access: yes, 2015
Приводятся результаты культивирования сеголетка длиннопалого рака (Astacus leptodactylus Esch.) в земляных прудах в монокультуре на сбросной подогретой воде Березовской ГРЭС (Брестская обл.,Беларусь).
Кулеш, Виктор Федорович
core  

A COMPARISON OF SURVIVAL AND GROWTH IN JUVENILE ASTACUS LEPTODACTYLUS (ESCH.) AND PACIFASTACUS LENIUSCULUS (DANA) UNDER CONTROLLED CONDITIONS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
The aim of this study was to compare survival and growth of juvenile narrow-clawed crayfish (Astacus leptodactylus) and signal crayfish (Pacifastacus leniusculus) fed only with experimental pellets (45% of proteins, 6% of fat, 20% crude fibre) under ...
ULIKOWSKI D., KRZYWOSZ T., ŚMIETANA P.
doaj   +1 more source

Металотіонеїни прісноводних тварин як біомаркери забруднення водного середовища йонами важких металів [PDF]

open access: yes, 2004
Досліджено взаємодію апотіонеїну рака (Astacus leptodactylus L.) та жаби (Rana esculenta L.) з йонами важких металів за УФ-спектрами реконструйованих металотіонеїнів. Для Pb-MT та Fe-MT обох видів характерні смуги поглинання з максимумом, відповідно, при
Фальфушинська, Г. І.
core  

Antibacterial immune response in Astacus leptodactylus (Crustacea, Decapoda).

open access: yesIn vivo (Athens, Greece), 1997
Antibacterial substances (ABS) in the hemolymph of Astacus leptodactylus were studied by agar-plate lysis and inhibition tests. The results demonstrate ABS against Gram-positive and Gram-negative bacteria. ABS against Gram-positive bacteria were identified as a lysozyme with a molecular weight of 14 kDa, heat resistance (< 50 degrees C) and lability to
W E, Xylander, G, Ullrich, H E, Kaiser
openaire   +1 more source

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