Results 91 to 100 of about 9,047 (212)

YEAR CYCLE OF AUSTROPOTAMOBIUS TORRENTIUM (SCHRANK) IN STREAMS ON MEDVEDNICA MOUNTAIN (CROATIA).

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
We studied life cycle of stone crayfish for 18 months in three streams on Medvednica Mountain, located above city of Zagreb. Sampling of animals was carried out with baited traps twice a month and various physiological functions were recorded.
MAGUIRE I.   +3 more
doaj   +1 more source

Developing ocean literacy through a relational model: Exploring outcomes of a place‐based ocean education programme in primary schools

open access: yesPeople and Nature, Volume 8, Issue 4, Page 904-918, April 2026.
Abstract Schools are a common place where the younger generation can develop their understanding of the ocean and acquire the skills needed to become responsible and knowledgeable ocean advocates. Grounded in a relational ocean literacy model, this study examined outcomes of a place‐based programme integrating picture books, beach excursions and ...
Cátia Freitas   +4 more
wiley   +1 more source

THE RELATIONSHIP BETWEEN FEMALE SIZE AND EGG SIZE IN THE FRESHWATER CRAYFISH AUSTROPOTAMOBIUS TORRENTIUM

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
The aim of our research was to gather information about the reproduction cycle of Austopotamobius torrentium in Croatia. The research was conducted between October 1998 and April 2000 in streams on the Medvednica Mountain (north-west Croatia).
MAGUIRE I., KLOBUČAR G. I.V., ERBEN R.
doaj   +1 more source

Phylogeographic structure of threatened Stone crayfish – an update

open access: yes, 2018
Potočni rak Austropotamobius torrentium (Schrank, 1803) jedan je od pet nativnih europskih vrsta rakova koje nastanjuju manje vodotokove na većim nadmorskim visinama središnje i jugoistočne Europe. U proteklim desetljećima uočeno je smanjenje populacija potočnih rakova uzrokovano antropogenskim pritiskom na njihova staništa, širenjem stranih vrsta ...
Maguire, Ivana   +2 more
openaire   +1 more source

Some unusual natural areas in Illinois [PDF]

open access: yes, 1977
Bibliography: p.
Evers, Robert August, Page, Lawrence M.
core  

Importance of small fishes and invasive crayfish in otter Lutra lutra diet in an English chalk stream

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
The diet composition of the European otter Lutra lutra was assessed using spraint analysis in the Hampshire Avon, a lowland chalk stream in Southern England, over an 18-month period.
Britton J. Robert   +4 more
doaj   +1 more source

Microhabitat use by the white-clawed crayfish in a Tuscan stream. [PDF]

open access: yes, 2008
Habitat modification, pollution, overfishing, poaching, competition from nonindigenous species, and diseases have led to the extinction in Europe of many populations of indigenous crayfish.
Bernardo J. M.   +23 more
core   +2 more sources

The atyid prawns of Dominica [PDF]

open access: yes, 1977
The family of primitive prawns, Atyidae, are freshwater animals with a circumtropical distribution, but additionally some have penetrated into temperate regions.
Fryer, G.
core  

Comparative study of Opera House traps with Funnel traps for catching Astacus leptodactylus in the Arass water reservoir

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2005
Presently the crayfish fishermen in Arass water reservoir use only Funnel traps. This study was conducted in 2002, to aimed for evaluating the ability of catch, sex ratio and the size frequency of crayfish with the Opera House traps and Funnel traps ...
M. Karimpor1; A. Thaghavi2; A. Khanipor3
doaj  

Biological and toxicological investigations of Chicago area navigation projects [PDF]

open access: yes, 1987
unpublishednot peer ...
Dorkin, John   +4 more
core  

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