Results 41 to 50 of about 1,070 (182)

Freshwater crayfish distribution update and maps for Greece: combining literature and citizen-science data

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
Crayfish are charismatic creatures of high interest to humans, among others playing key roles in freshwater ecosystems. Considering the significance of indigenous crayfish species (ICS) as well as the risks posed by non-indigenous crayfish species (NICS)
Perdikaris Costas   +3 more
doaj   +1 more source

Distribution, phylogeny, ecology and conservation of crayfish of the family Astacidae in Montenegro [PDF]

open access: yes, 2012
Do danas je u svijetu opisano oko 600 vrsta slatkovodnih (Decapodnih) rakova iz podreda Astacidae. Na području Evrope danas živi pet vrsta autohtonih slatkovodnih rakova iz porodice Astacidae: Astacus astacus, Astacus leptidactilus, Astacus pachypus ...
Rajković, Milka L.
core   +1 more source

DISTRIBUTION AND REPRODUCTIVE BIOLOGY OF AUSTROPOTAMOBIUS TORRENTIUM IN BAVARIA AND DOCUMENTATION OF A CONTACT ZONE WITH THE ALIEN CRAYFISH PACIFASTACUS LENIUSCULUS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
In Bavarian freshwater systems, the stone crayfish Austropotamobius torrentium is still present in many headwaters of Danubian tributaries. Since the 1960s an alien species, the signal crayfish Pacifastacus leniusculus, was introduced several times ...
HUBER M. G.J., SCHUBART C. D.
doaj   +1 more source

Fig. 10 in New Findings Of White Clawed Crayfish, Austropotamobius Pallipes (Decapoda, Astacidae), And Peculiarities Of Its Spatial Distribution In Neretvica (Bosnia And Herzegovina)

open access: yes, 2021
Fig. 10. Isobath maps (depth, m), isotach map (velocity, m/s) — autumn.Published as part of Afanasyev, S., Lietytska, O., Golub, O., Iarochevitch, O., Mudra, K.
Marushevska, O.   +5 more
core   +1 more source

HOW TO FIND A STONE CRAYFISH AUSTROPOTAMOBIUS TORRENTIUM (SCHRANK, 1803): A BIOGEOGRAPHIC STUDY IN EUROPE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
The stone crayfish Austropotamobius torrentium (Schrank, 1803) is widely distributed in Southeastern and Central Europe. However, this information has not been verified until recently because of: • ignorance about biogeographic notion and hydrography
MACHINO Y., FÜREDER L.
doaj   +1 more source

The state of crayfish (Astacidae) populations in a certain area of the Caspian Sea Eastern coast in 2022

open access: yesThe Caspian in the Digital Age, 2022
The aim is to study crayfish (Astacidae) distribution, fertility and stocks in coastal waters on the Caspian Sea Eastern shelf in the area between cape Rakushechny and cape Tokmak. The research was carried out in summer 2022.
V. Ushivtsev   +3 more
semanticscholar   +1 more source

GENETIC COMPARISONS OF GERMAN POPULATIONS OF THE STONE CRAYFISH, AUSTROPOTAMOBIUS TORRENTIUM (CRUSTACEA: ASTACIDAE)

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
Austropotamobius torrentium (SCHRANK, 1803) is the smallest of the European native crayfish species and has probably never been of economic interest. It is confined to headwaters and adapted to cold water with high flow through and rocky environments ...
SCHUBART C. D., HUBER M. G.J.
doaj   +1 more source

Reproduction of the narrow-clawed crayfish, Pontastacus leptodactylus () (Decapoda: Astacidea: Astacidae), in western Turkey

open access: yesJournal of Crustacean Biology
Monthly collections using fyke nets between July 2020 and June 2021 (2,606 females, 3,864 males) in Atikhisar Reservoir, Çanakkale, Turkey allowed us to investigate the reproduction of the narrow-clawed crayfish (Pontastacus leptodactylus ).
Selçuk Berber   +3 more
semanticscholar   +1 more source

Étude des populations d'Austropotamobius pallipes (Crustacea, Astacidae) dans un ruisseau forestier de Normandie.

open access: yesKnowledge and Management of Aquatic Ecosystems, 2000
Les populations d'Austropotamobius pallipes ont été analysées sur deux sites d'un ruisseau forestier de Normandie, au cours de six années pour le site aval et de cinq années pour le site amont.
NEVEU A.
doaj   +2 more sources

DISTRIBUTION OF AUSTROPOTAMOBIUS TORRENTIUM (DECAPODA: ASTACIDAE) IN SLOVAKIA

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
The distribution of the stone crayfish Austropotamobius torrentium (SCHRANK, 1803) in Slovakia is restricted to only some creeks in the Malé Karpaty Mountains.
STLOUKAL E., HARVÁNEKOVÁ M.
doaj   +1 more source

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