Theodore J. Abatzopoulos

ORCID: 0000-0003-3303-4007
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About
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Research Areas
  • Genetic diversity and population structure
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Aquatic Invertebrate Ecology and Behavior
  • Identification and Quantification in Food
  • Fish Ecology and Management Studies
  • Plant and animal studies
  • Marine Biology and Ecology Research
  • Marine and coastal ecosystems
  • Fish Biology and Ecology Studies
  • Environmental Toxicology and Ecotoxicology
  • Genetic and phenotypic traits in livestock
  • Crustacean biology and ecology
  • Evolution and Genetic Dynamics
  • Genomics and Phylogenetic Studies
  • Animal Ecology and Behavior Studies
  • Aquaculture Nutrition and Growth
  • Physiological and biochemical adaptations
  • Wildlife Ecology and Conservation
  • Algal biology and biofuel production
  • Microbial Community Ecology and Physiology
  • Coral and Marine Ecosystems Studies
  • Evolution and Paleontology Studies
  • Marine and environmental studies
  • Freshwater macroinvertebrate diversity and ecology
  • Environmental and Biological Research in Conflict Zones

Aristotle University of Thessaloniki
2010-2020

US Forest Service
2014

National and Kapodistrian University of Athens
2005

In-Q-Tel
2004

Ghent University
1998

In this study, we report on the known Artemia habitats worldwide. Recent literature information is incorporated about taxonomic status of various populations studied. The genus composed di‐, tri‐, tetra‐ and pentaploid parthenogenetic following bisexual species: A. franciscana , monica sp., persimilis salina urmiana sinica sp. from Kazakhstan. problems characterizing new brine shrimp are discussed. view great importance as part live food chain for culture fish shellfish larvae present cyst...

10.1046/j.1365-2699.1998.252190.x article EN Journal of Biogeography 1998-03-01

Abstract Aim We focus on the biogeographical role of Balkan Peninsula as a glacial refugium and source northward post‐glacial dispersal for many European taxa. Specifically, we analysed genetic structure variation wild boar ( Sus scrofa ) samples primarily from Greece, region that has repeatedly served within Peninsula. Location Continental Aegean island Samos Bulgaria. Methods 18 localities. Samples common domestic breeds were also examined to take into account interactions between...

10.1111/j.1365-2699.2011.02636.x article EN Journal of Biogeography 2011-12-02

Field surveys were conducted in order to collect information on the occurrence of wild Artemia populations hypersaline environments such as salt lakes, lagoons and salty rivers. The mating behaviour presence or absence males carefully recorded. Sampling involved use plankton nets. Collected cysts characterized basis their diameter chorion thickness, while nauplii (instar-I) total length. found at 17 different geographical locations scattered over 12 Iranian provinces. All are parthenogenetic...

10.1017/s0025315406013154 article EN Journal of the Marine Biological Association of the United Kingdom 2006-03-13

Halophilic organisms may thrive in or tolerate high salt concentrations. They have been studied for decades and a considerable number of papers reporting new halophilic species are being published every year. However, an extensive collection these salt-loving does not exist nowadays. life forms representatives from all three domains, Archaea, Bacteria Eukarya. The purpose this study was to search documented the scientific literature accommodate information form online database.We recorded...

10.1186/s40709-017-0072-0 article EN cc-by Journal of Biological Research - Thessaloniki 2018-01-15

Abstract We studied the Artemia populations existing in Lake Urmia (north‐western Iran), one of largest habitats world, order to settle long‐standing controversy over sexual status endemic populations. Experiments were carried out laboratory and field. Cysts, collected from different sites lake peripheral lagoons, hatched cultured adults laboratory. Adult parthenogenetic animals isolated newly nauplii them maturity salinities, ranging 15–80 ppt. Survival levels percentage attaining adulthood...

10.1002/iroh.200610909 article EN International Review of Hydrobiology 2007-02-01

A total of 92 cultured Pseudo-nitzschia strains, established between March 2007 and April 2010 from Greek coastal waters, were identified by using morphological molecular (ITS2 region) characters. Twelve species identified, among which P. brasiliana, subpacifica hasleana detected for the first time near East Mediterranean coasts. One delicatissima-like morphotype another strain that closely resembled dolorosa also found. Morphology ITS2 phylogeny indicated level diversity within genus is...

10.1080/09670262.2012.713998 article EN European Journal of Phycology 2012-08-01

The brine shrimp Artemia consists of a number bisexual species and large parthenogenetic forms, which collectively, inhabit wide range hypersaline habitats. A recently described (A. tibetiana) from carbonate lake (Lagkor Co) in Tibet at an altitude 4490 m has been tested with New World franciscana USA, A. feral population Vietnam) Old salina, urmiana, sinica) for cross fertility. These tests show complete infertility between tibetiana franciscana. Between sinica partial fertility through to...

10.1046/j.1095-8312.2002.00023.x article EN Biological Journal of the Linnean Society 2002-03-01

Abstract Aim Two species of the brine shrimp, namely Artemia franciscana Kellogg and A. persimilis Piccinelli Prosdocimi, inhabit Chile. Most studies so far have shown that is most widely distributed in Chile, with present only Chilean Patagonia. In general, there good agreement between morphological genetic comparisons populations respect to discrimination. However, a number results indicate an overlap some tending diverge from and/or resembling . Prior mid 90's use DNA markers was rather...

10.1111/j.1365-2699.2003.01046.x article EN Journal of Biogeography 2004-03-22

Abstract Introduced populations of the American invasive Artemia franciscana have been reported in Mediterranean countries except for Italy. A recent sampling at Margherita di Savoia revealed presence mating pairs a saltwork known to host only parthenogens. An integrated approach, based on scanning electron microscopy four morphological traits, discriminant analysis 13 morphometric characters and 16S rRNA PCR‐RFLP profiles eight endonucleases was implemented identification invader. Patterns...

10.1002/iroh.200610904 article EN International Review of Hydrobiology 2006-12-01

Abstract The genetic structure of Silurus glanis (Europe’s largest freshwater fish species) across most its natural distribution was investigated using 10 microsatellite loci. revealed levels diversity were much higher than previous allozyme and restriction fragment length polymorphism mitochondrial DNA analyses had shown; relative variability among populations however, in good agreement with the studies. Populations from large basins (Volga Danube rivers) polymorphic, while samples smaller...

10.1046/j.1365-294x.2002.01501.x article EN Molecular Ecology 2002-05-28

Abstract Artemia urmiana (a species previously considered endemic of Lake Urmia, NW Iran) has been found in Koyashskoe, a hypersaline lake on the Black Sea coast Crimean peninsula (Ukraine). Therefore, this is first record A. Europe which updates its distribution. The identification was based an integrated and interdisciplinary approach using discriminant analysis morphometric characters, scanning electron microscopy, molecular profile analysis. data derived from above mentioned approaches...

10.1002/iroh.200911147 article EN International Review of Hydrobiology 2009-10-01

Abstract Sperm competition is important in species with reproductive strategies that involve multiple mating and prolonged sperm storage such as the simultaneously hermaphroditic land snail Cornu aspersum . Double trials this have revealed order courtship behaviour affect paternity success. We investigated effect of behavioural anatomical traits on success from triple trials. Triple resulted fertilization 58% cases whereas zero was observed 16% donors. Third donors achieved higher followed...

10.1111/j.1420-9101.2010.01964.x article EN Journal of Evolutionary Biology 2010-03-05
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