Results 81 to 90 of about 6,082 (218)
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
1871年から2002年末までに発行された郵便切手に描かれた甲殻類 : チェックリスト決定版 [PDF]
On the occasion of a donation of postage stamps collected by the author to the Museum of Fishery Sciences, Tokyo University of Marine Science and Technology, a checklist of all postage stamps depicting crustaceans from 1871 through 2002 has been ...
Makoto Omori, 大森 信
core +1 more source
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
Growth and population dynamics of crayfish Paranephrops planifrons in streams within native forest and pastoral land uses [PDF]
Population dynamics of crayfish (Paranephrops planifrons White) in streams draining native forest and pastoral catchments, Waikato, New Zealand, were investigated from September 1996 to July 1998.
Collier, Kevin J. +2 more
core +1 more source
New records of suctorians (Ciliophora: Suctoria) as epibionts of aquatic true bugs (Hemiptera: Prosorrhyncha: Nepomorpha) from two regions: Mexico and Eastern Europe [PDF]
Here, we provide new records of suctorians (Ciliophora: Suctoria), epibionts of aquatic true bugs (Hemiptera: Prosorrhyncha: Nepomorpha) collected in Ukraine, Belarus and Mexico.
Dovgal, I. V. +2 more
core +1 more source
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
Получение сеголетка длиннопалого рака в садках на сбросной подогретой воде теплоэлектростанции [PDF]
Длиннопалый рак (Astacus leptodactylus Esch.) является важным ресурсным видом водоемов нашей страны. Традиционно эти десятиногие ракообразные ценятся на внутреннем и особенно на мировом рынке как превосходный деликатесный продукт питания, а также ...
Алехнович, Анатолий Васильевич +2 more
core
Different aspects of reproduction strategies in crayfish: A review
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
Startfôr til juvenil edelkreps (Astacus astacus)
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
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

