Results 81 to 90 of about 2,322 (209)

Morphometric variations among Astacus astacus populations from different regions of the Balkan Peninsula [PDF]

open access: yes, 2017
© 2016, Springer-Verlag Berlin Heidelberg. The morphometric variation among several populations of Astacus astacus from different regions of the Balkan Peninsula was studied based on a large set of morphometric parameters per crayfish.
Milošković, Aleksandra   +6 more
core   +1 more source

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

open access: yesKnowledge 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.   +4 more
doaj   +1 more source

Der Edelkrebs (Astacus astacus) im Kreis Höxter

open access: yes, 2013
Bis Ende des 19. Jahrhunderts waren in den Gewässern Deutschlands drei Flusskrebsarten beheimatet. Während der Edelkrebs (Astacus astacus; Abb. 1) ursprünglich in ganz Deutschland anzutreffen war, beschränkten sich die Vorkommen des Dohlenkrebses ...
Beinlich, Burkhard
core  

Genetic diversity of noble crayfish Astacus astacus (Linnaeus, 1758) populations in Croatia

open access: yes, 2022
Plemeniti ili riječni rak Astacus astacus (Linnaeus, 1758) jedna je od četiri autohtone europske vrste slatkovodnih rakova koje obitavaju u Hrvatskoj. Osim što ima ključnu ulogu u slatkovodnim ekosustavima, ova vrsta smatra se i bioindikatorom kvalitete ...
Kovačević, Maja
core  

Morphometrical characteristics of noble crayfish (Astacus astacus (Linneaus, 1758)) in the North Croatia

open access: yes, 2019
Rakovi su poznati kao važna sastavnica biološke raznolikosti u rijekama, jezerima i močvarama s važnom ekološkom ulogom u funkcioniranju vodenih ekosustava te važnom ulogom u hranidbenim mrežama.
Segin, Edvin
core  

DISTRIBUTION OF THE CRAY.FISH (ASTACUS ASTACUS L. 1758) IN THE CATCHMENT OF ILOVA AND ČESMA

open access: yes, 1993
Istraživanje rasprostranjenosti potočnog raka Astacus astacus u slijevu izvorišnog dijela Česme i Ilove u području gornjeg Poilovlja provedeno je od lipnj a do rujna godine 1990.
Delić, Antun, Antun Delić
core  

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

open access: yesKnowledge 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

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.)

open access: yesKnowledge 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]

open access: yesToxins (Basel), 2020
Samdal IA   +7 more
europepmc   +1 more source

Современное распространение, морфологическая изменчивость и диагностика широкопалого рака Astacus astacus (Linnaeus, 1758) (Decapoda: Astacidae) в Украине

open access: yes, 2012
Исследование популяций пресноводных раков северо-востока Украины, проведенное путем анализа аллозимов и морфометрии, доказало, что в Украине, наряду с обычным раком длиннопалым Astacus leptodactylus сохранился исчезающий европейский вид рак широкопалый A.
Межжерин С. В.   +2 more
core  

Home - About - Disclaimer - Privacy