Results 21 to 30 of about 25,522 (249)

A Case Study of the Population Ecology of a Topmouth Gudgeon (Pseudorasbora parva) Population in the UK and the Implication for Native Fish Communities [PDF]

open access: yes, 2006
1. The topmouth gudgeon Pseudorasbora parva is a small Asian cyprinid species that has proved invasive throughout many European countries. Following an initial introduction into the wild in 1996, the species is now proving invasive in the UK, with at ...
Brazier, Matt   +3 more
core   +1 more source

Distribution of host-specific parasites in hybrids of phylogenetically related fish: the effects of genotype frequency and maternal ancestry?

open access: yesParasites & Vectors, 2020
Background Host specificity is one of the outputs of the coevolution between parasites and their associated hosts. Several scenarios have been proposed to explain the pattern of parasite distribution in parental and hybrid genotypes ranging from hybrid ...
Vadym Krasnovyd   +2 more
doaj   +1 more source

Assessment of Heavy Metal Concentration in Tissues of Three Owl Species From Visakhapatnam, India [PDF]

open access: yesNature Environment and Pollution Technology, 2020
The occurrence of heavy metals into the environment through various natural and anthropogenic sources is inevitable due to their persistent nature. This study investigated the concentration of heavy metals lead (Pb), zinc (Zn) and chromium (Cr) in liver,
Sanchari Biswas, Ch Ramakrishna and Y A Maruthi
doaj   +1 more source

Ligula intestinalis (Cestoda: Pseudophyllidea): an ideal fish-metazoan parasite model? [PDF]

open access: yes, 2010
Since its use as a model to study metazoan parasite culture and in vitro development, the plerocercoid of the tapeworm, Ligula intestinalis, has served as a useful scientific tool to study a range of biological factors, particularly within its fish ...
Carter, V, Dufour, S, Hoole, D
core   +1 more source

Miasto po Zagładzie. Dzielnica żydowska w Lublinie i jej upamiętnienia

open access: yesZagłada Żydów, 2018
W czasie drugiej wojny światowej częściowej lub całkowitej destrukcji uległa struktura urbanistyczna oraz tkanka architektoniczna wielu dzielnic żydowskich w Polsce i w innych krajach europejskich. Po 1989 r.
Marta Kubiszyn, Joanna Zętar
doaj   +3 more sources

Szanse i słabości wykorzystania crowdsourcingu do analizy treści

open access: yesPrzeglad Socjologii Jakosciowej, 2019
Analiza treści jest metodą szeroko wykorzystywaną nie tylko w naukach społecznych, ale też studiach humanistycznych. Automatyzacja oraz wsparcie komputerowe tej metody cieszy się dużym zainteresowaniem badaczy w Polsce i na świecie.
Katarzyna Lisek
doaj   +1 more source

Reconstructing discards profiles of unreported catches [PDF]

open access: yes, 2018
In Portugal it has been estimated that unreported catches represent one third of total catches. Herein, information on landings and total unreported catches (discards) by commercial métier were disaggregated into high taxonomic detail using published ...
Almeida   +53 more
core   +3 more sources

Lipid deterioration during chilled storage of Atlantic pomfret (Brama brama) [PDF]

open access: yesEuropean Journal of Lipid Science and Technology, 2003
AbstractLipid damage produced during Atlantic pomfret (Brama brama) chilled storage (up to 19 d) was studied. The formation of various lipid parameters, such as free fatty acid and conjugated dienes (CD), peroxide value, thiobarbituric acid reactive substances and fluorescent compounds was measured in 2 different white muscle zones (dorsal and ventral).
Pérez-Alonso, Francisco   +2 more
openaire   +2 more sources

Problem działalności budowlanej Salomona w świetle najnowszych odkryć archeologicznych w Megiddo

open access: yesCollectanea Theologica, 2020
Artykuł przedstawia najnowsze ustalenia w kwestii identyfikacji monumentalnych struktur filarowych i bramy 2156 w Megiddo, oparte przede wszystkim na analizie danych archeologicznych zebranych w trakcie  prac wykopaliskowych w sezonie 2018 (brama 2156 ...
Ewa Ronowska
doaj   +1 more source

Eurusd Intraday Price Reversal

open access: yesFolia Oeconomica Stetinensia, 2014
The study investigates the mean reversion in 1-minute EURUSD. Intraday patters in FX seem of particular interest as more and more trades in the FX market are automated high frequency trades (HFT).
Wiśniewska Marta
doaj   +1 more source

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