Results 61 to 70 of about 865 (176)
Better Alone Than in Bad Company: Trophic Ecology of Co‐Occurring Invasive and Native Crayfish
Ecology and Evolution, Volume 15, Issue 5, May 2025.This study investigated and compared trophic interactions between invasive signal crayfish and native white‐clawed crayfish at sites of co‐occurrence and in allopatry. The presence of crayfish plague, body condition, and trophic niche traits were explored as possible factors that make invasive signal crayfish a strong competitor, enhancing its ...
Daniela Ghia +8 more
wiley +1 more source
The continuing spread of Pacifastacus leniusculus in Carinthia (Austria) [PDF]
Knowledge and Management of Aquatic Ecosystems, 2009 Crayfish plague and introductions of non-indigenous freshwater crayfish species (NICS) have had major consequences for the survival of autochthonous crayfish populations in Europe.
M. Weinländer, L. Füreder
doaj
Knowledge and Management of Aquatic Ecosystems, 2006 The objective of the present experiment was to compare the biological value and the binding functionality of four pre-gelatinized starches (wheat, diet 1; waxy maize, diet 2; maize, diet 3 and potato, diet 4) used in crayfish diets.
D’AGARO E., MECATTI M.
doaj +1 more source
Knowledge and Management of Aquatic Ecosystems, 2011 The species Austropotamobius torrentium and Astacus astacus are two species known in the EU directives to require deeper understanding of their autecologic requirements before any sustainable conservation effort could be successfully applied.
Pârvulescu L. +2 more
doaj +1 more source
International Aquatic Research, 2016 The high mortality of maternally incubated eggs represents a serious problem that prevents the development of noble crayfish (Astacus astacus) farming in Italy.
Benedetto Sicuro
doaj +1 more source
Knowledge and Management of Aquatic Ecosystems, 2004 Astacus astacus is one of four native European crayfish species living in Croatian freshwaters. It is naturally distributed in rivers belonging to the Black Sea Basin.
MAGUIRE I., HUDINA S., ERBEN R.
doaj +1 more source
Different aspects of reproduction strategies in crayfish: A review
Knowledge and Management of Aquatic Ecosystems, 2016 Study of the reproductive strategy of crayfish species is of great importance in the current astacological world. Crayfish are among the largest freshwater invertebrates, and as keystone species, they are able to regulate the ...
Yazicioglu B., Reynolds J., Kozák P.
doaj +1 more source
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. +4 more
doaj +1 more source
Startfôr til juvenil edelkreps (Astacus astacus)
, 2010 Kasa Krepseoppdrett på Hvaler har valgt å satse på en halvintensiv modell for produksjon av edelkreps. Ved bruk av halvintensiv produksjonsmodell kreves det et egnet fôr til juvenile kreps. Det som har vært vanlig å bruke, er levendefôr ved bruk av Artemia i kombinasjon med vegetabilske næringsstoffer som modnet laug, grodd hvete og potet.
Siikavuopio, Sten Ivar +2 more
openaire +1 more source
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