Results 51 to 60 of about 415 (158)

SEASONAL CHANGES OF THE CONDITION INDICES AND HAEMOCYTE COUNTS OF THE AUSTROPOTAMOBIUS TORRENTIUM POPULATION IN KRALJEVEC STREAM, CROATIA

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
The stone crayfish, Austropotamobius torrentium (Schrank, 1803) is one of the four native European crayfish living in Croatian freshwaters. Kraljevec Stream is situated on the southern slopes of Medvednica Mountain (north-west Croatia) at 400 m above sea
LUCIĆ A., ERBEN R.
doaj   +1 more source

Genetic diversity of the stone crayfish Austropotamobius torrentium (Schrank, 1803) populations in Croatia

open access: yes, 2023
Potočni rak, Austropotamobius torrentium (Schrank, 1803), je nativna europska slatkovodna vrsta iz porodice Astacidae koja nastanjuje manje vodotoke na višim nadmorskim visinama.
Bonassin, Lena
core  

DISTRIBUTION, RECENT MORTALITIES AND CONSERVATION MEASURES OF CRAYFISH IN HELLENIC FRESH WATERS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2007
Freshwater crayfish are found in 20 out of 53 Prefectures of Greece (38%) and they form isolated populations in relatively pristine water bodies. Three indigenous crayfish species (ICS) occur in Greek waters: Astacus astacus, Astacus leptodactylus and ...
KOUTRAKIS E.   +4 more
doaj   +1 more source

Population ecology of endangered white-clawed crayfish (Austropotamobius pallipes s. str.) in a small rhithral river in Germany

open access: yesKnowledge and Management of Aquatic Ecosystems, 2015
Sound knowledge on distribution and ecology of imperiled species is an essential prerequisite for effective conservation planning. Here, we report the distribution and autecological traits of a newly discovered population of ...
Wendler F., Biss R., Chucholl C.
doaj   +1 more source

Two indigenous European crayfish under threat – how can we retain them in aquatic ecosystems for the future?

open access: yesKnowledge and Management of Aquatic Ecosystems, 2011
Indigenous crayfish species (ICS) are under threat in Europe; due to competition from invasive non-indigenous crayfish species (NICS) from crayfish plague, which is carried by introduced American crayfish, and habitat degradation.
Peay S., Füreder L.
doaj   +1 more source

Artenschutzprojekt Steinkrebs (Austropotamobius torrentium)

open access: yes, 2021
Diese Masterarbeit widmet sich dem Artenschutz des Steinkrebses, Austropotamobius torrentium. Neue Erkenntnisse zur Zucht wurden dokumentiert: es wurde ein Zusam- menhang zwischen morphologischen Eigenschaften der Steinkrebse und dem Fortpflanzungserfolg geprüft.
openaire   +1 more source

CRAYFISH EPIBIONTS BRANCHIOBDELLA SP. AND HYSTRICOSOMA CHAPPUISI (ANNELIDA: CLITELLATA) IN GREECE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2007
Specimens of the three known Greek crayfish species, Astacus astacus (Linnaeus, 1758), Astacus leptodactylus Eschscholtz, 1823 and Austropotamobius torrentium (Schrank, 1803), were collected from seven localities in Greece and were examined for the ...
SUBCHEV M., KOUTRAKIS E., PERDIKARIS C.
doaj   +1 more source

Novi nalazi autohtone vrste Austropotamobius torrentium (Schrank, 1803) za srbiju

open access: yes, 2018
Potočni rak Austropotamobius torrentium (Schrank, 1803) je autohtona vrsta Evrope koja naseljava čiste brdsko-planinske potoke sa kamenito-šljunkovitom podlogom. Zbog opadanjućeg trenda brojnosti populacija i ugroženosti staništa A.
Milošković, Aleksandra   +6 more
core  

The distribution of stone crayfish Austropotamobius torrentium (Schrank, 1803) (Crustacea: Decapoda: Astacidae) in the south-west Romanian mountain and sub-mountain area

open access: yes, 2010
The distribution of stone crayfish Austropotamobius torrentium (Schrank, 1803) (Crustacea: Decapoda: Astacidae) in the south-west Romanian mountain and sub-mountain area Data is presented in relation to the geographical distribution of the ...
Iorgu Petrescu, Lucian Pârvulescu
core   +1 more source

Stone crayfish in the Czech Republic: how does its population density depend on basic chemical and physical properties of water?

open access: yesKnowledge and Management of Aquatic Ecosystems, 2013
The stone crayfish (Austropotamobius torrentium Schrank) is one of the two native crayfish species in the Czech Republic. The populations as well as physical and chemical parameters of water (pH, conductivity, dissolved oxygen ...
Vlach P., Svobodová J., Fischer D.
doaj   +1 more source

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