Results 101 to 110 of about 1,459 (197)

The role of abiotic and biotic factors in interspecific competition of Polish crayfish – comprehensive literature review [PDF]

open access: yes, 2020
Invasive species are those that have been transferred by humans out of their natural range. Native crayfish species in Polish waters include: Astacus astacus and Pontastacus leptodactylus, whereas invasive species are: Pacifastacus leniusculus, Faxonius ...
Poznańska-Kakareko, Małgorzata   +2 more
core   +1 more source

Получение сеголетка длиннопалого рака в садках на сбросной подогретой воде теплоэлектростанции [PDF]

open access: yes, 2013
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  

Invasiivsed vähi võõrliigid ja nende ohustav mõju jõevähi (Astacus astacus L.) asurkondadele Eestis [PDF]

open access: yes, 2018
A Thesis for application for the degree of Doctor of Philosophy in Agricultural SciencesOnce abundant, indigenous noble crayfish stocks in Europe have suffered from a long-term population decline due to the spread of North-American crayfish species ...
Kaldre, Katrin
core   +1 more source

The implications of climate change for the water environment in England [PDF]

open access: yes, 2015
This paper reviews the implications of climate change for the water environment and its management in England. There is a large literature, but most studies have looked at flow volumes or nutrients and none have considered explicitly the implications of ...
ADAS   +37 more
core   +3 more sources

Crayfish disease diagnostics : towards a Nordic standard [PDF]

open access: yes, 2008
Rapu on ollut jo kauan osa pohjoismaista kulttuuriperinnettä. Yli sata vuotta sitten Manner-Euroopasta levinnyt tuhoisa raputauti, rapurutto, hävitti kuitenkin suuren osan tuottavista jokirapukannoista. Monet rapuruton esiintymiseen ja diagnostiikkaan

core  

Causative agent of the crayfish plague: Aphanomyces astaci Schikora, 1906 [PDF]

open access: yes, 2018
Riječni rakovi važan su element slatkovodnih ekosustava. U posljednjih 200 godina došlo je do drastičnog smanjenja brojnosti autohtonih vrsta riječnih rakova na području Europe.
Petrović, Ana
core  

The course of gametogenesis in narrow-clawed crayfish (Astacus leptodactylus Eschscholtz, 1823) in the condition of water bodies of the Dnieper region

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. Detailed study of the stages of reproductive development (oogenesis and spermatogenesis) of crayfish using the example of the narrow-clawed crayfish Astacus leptodactylus Eschscholtz, 1823 in reservoirs of the Dnieper region.
I. Borovyk, O. Marenkov
doaj   +1 more source

Growth pattern and body weight-length relationship of narrow clawed crayfish, Astacus leptoductylus

open access: yes, 2014
In order to investigation of growth pattern and body weight-length relationship of narrow clawed crayfish, Astacus leptodactylus in different stages of its life, approximately 10000 newborn crayfish were released in earthen pond. This pond had the similar condition to their habitat. Sampling was done during four stages of their life, under 2 months and
Zahmatkesh, A.   +2 more
openaire   +2 more sources

ARES(2014)2425342 - 22/07/2014. Organisation and running of a scientific workshop to complete selected invasive alien species (IAS) risk assessments [PDF]

open access: yes, 2015
The introduction and spread of invasive alien species (IAS) constitutes one of the most important drivers of global change in biodiversity and ecosystem services. Robust risk assessment methods are required for IAS to provide the foundation upon which to
Bazos, Ioannis   +20 more
core  

On the conservation of white-clawed crayfish in the Iberian Peninsula: Unraveling its genetic diversity and structure, and origin. [PDF]

open access: yesPLoS One, 2023
Martínez-Ríos M   +5 more
europepmc   +1 more source

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