Results 91 to 100 of about 6,148 (217)

The first large-scale genetic analysis of the vulnerable noble crayfish Astacus astacus reveals low haplotype diversity in central European populations

Knowledge and Management of Aquatic Ecosystems, 2011
Major global changes (e.g., human impact or climatic cycles) have a severe impact on the distribution and diversity of species such as the vulnerable European noble crayfish Astacus astacus.
Schrimpf A., Schulz H.K., Theissinger K., Pârvulescu L., Schulz R.   +4 more
doaj   +1 more source

Growth and population dynamics of crayfish Paranephrops planifrons in streams within native forest and pastoral land uses [PDF]

, 2002
Population dynamics of crayfish (Paranephrops planifrons White) in streams draining native forest and pastoral catchments, Waikato, New Zealand, were investigated from September 1996 to July 1998.
Collier, Kevin J., Hicks, Brendan J., Parkyn, Stephanie M.   +2 more
core   +1 more source

Commensal bacteria from crayfish cuticle and their potential significance in biocontrol of causative agent of crayfish plague [PDF]

, 2018
Patogeni iz razreda Oomycetes sve su veća prijetnja za biljne i životinjske vrste. Među njima je patogen Aphanomyces astaci (Schikora, 1906), uzročnik bolesti račje kuge, koji je uvršten na popis 100 najopasnijih invazivnih vrsta svijeta.
Orlić, Karla
core   +2 more sources

ASSESSMENT OF DNA VARIATIONS OF THE NOBLE CRAYFISH (ASTACUS ASTACUS L.) IN GERMANY AND POLAND USING INTER-SIMPLE SEQUENCE REPEATS (ISSRS)

Knowledge and Management of Aquatic Ecosystems, 2004
Conservation of the endangered noble crayfish (Astacus astacus) requires preservation of existing populations and reintroduction into suitable habitats, as currently underway in several regional projects in Germany and Poland.
SCHULZ H. K., ŠMIETANA P., SCHULZ R.
doaj   +1 more source

Causative agent of the crayfish plague: Aphanomyces astaci Schikora, 1906 [PDF]

, 2018
Riječni rakovi važan su element slatkovodnih ekosustava. U posljednjih 200 godina došlo je do drastičnog smanjenja brojnosti autohtonih vrsta riječnih rakova na području Europe.
Petrović, Ana
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EFFECTS OF EGG BATH AND DAILY REMOVAL OF DEAD EGGS ON HATCHING SUCCESS AND PRODUCTION OF STAGE 2 JUVENILES DURING ARTIFICIAL INCUBATION IN NOBLE CRAYFISH (ASTACUS ASTACUS L.)

Knowledge and Management of Aquatic Ecosystems, 2006
The effects of egg bath (iodine-detergent preparation) and daily removal of dead eggs on hatching success and production of juveniles in stage 2 were investigated during a short (sixteen days) artificial incubation (AI) of noble crayfish eggs.
POLICAR T., KOZÁK P., MARTÍN J.
doaj   +1 more source

Microcystins in European Noble Crayfish Astacus astacus in Lake Steinsfjorden, a Planktothrix-Dominated Lake. [PDF]

Toxins (Basel), 2020
Samdal IA, Strand DA, Ballot A, Rusch JC, Haande S, Løvberg KLE, Miles CO, Vrålstad T.   +7 more
europepmc   +1 more source

Величина пищевого рациона и его усвояемость у десятиногих ракообразных [PDF]

, 2014
Десятиногие ракообразные (отряд Dekapoda) являются важнейшими элементами пищевых цепей водных экосистем. Это ресурсные виды, которые традиционно ценятся на внутреннем и особенно мировом рынке как превосходный деликатесный продукт питания, а также сырье ...
Кулеш, Виктор Федорович
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The distribution of branchiobdellidan worms (Annelida: Clitellata) on the noble crayfish, Astacus astacus, in the Transcarpathian region, Ukraine

Вісник Харківського Національного Університету Імені В.Н. Каразіна: Серія Біологія
This study explores the distribution, abundance, and diversity of branchiobdellidans on freshwater crayfish in the Zakarpattia (Transcarpathian) region of Ukraine, focusing on populations in the Tereblya River and Lake Synevir.
M. Shrestkha, S. Utevsky
doaj   +1 more source

The Crayfishes of New Jersey [PDF]

, 1959
Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus ...
Francois, Donald D.
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