Pavlos Avramidis

Pavlos Avramidis
University of Patras | UP · Division of General and Marine Geology and Geodynamics

Associate Professor

About

103
Publications
47,937
Reads
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1,155
Citations
Citations since 2016
53 Research Items
806 Citations
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150
Introduction
Pavlos Avramidis currently works at the Division of General and Marine Geology and Geodynamics, University of Patras. Pavlos does research in Geology, Geochemistry and Geography.
Additional affiliations
January 2002 - December 2006
University of Patras

Publications

Publications (103)
Article
Full-text available
The study area, Aetoliko Lagoon is a unique coastal Mediterranean landlocked ecosystem, controlled by tectonic activity and is characterized by permanent oxygen-depletion conditions (hypoxia/anoxia). The geological conditions, the geomorphology and the bathymetry of the lagoon, make the Aetoliko Lagoon an area of special interest for the research o...
Article
This study presents sedimentological, palaeontological, geochemical, mineralogical and organic petrography data from a 30 m deep core representing a Mid- to Late Holocene lagoonal depositional environment, of a coastal area of Amvrakikos Gulf, Western Greece. Three horizons were dated using 14C, while the sedimentological, palaeontological and geoc...
Article
This paper investigates the sedimentological response of the Tertiary Pindos and Mesohellenic Basins to localized tectonic and eustatic sea-level changes in a submarine setting dominated by turbidite deposition. Five composite stratigraphic cross-sections were compiled from field data, three in the Pindos Basin and two in the Mesohellenic Basin; 45...
Article
The present paper interprets the sedimentological, palaeontological and palynological data, retrieved from a 21 m depth core from the Alikes Lagoon of Zakynthos Island, in order to reconstruct the depositional environments and palaeoclimatic evolution of the area, as well as to estimate the rate of sedimentation from a time period between 8540 and...
Article
Full-text available
Acoustic classification systems and the Sediment Trend Analysis method were used to identify and map the bed diversity in a very shallow (<3.0m), coastal lagoon, Pappas lagoon, Western Greece. Analogue acoustic data, collected by means of a 100 kHz side scan sonar system, were digitized and classified into six acoustic classes using recently develo...
Article
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The Prokopos Lagoon is part of the Kotychi Strofilias National Wetlands Park, which is supervised by the Ministry of Environment, Energy and Climate Change of Greece. The lagoon is situated at the northwestern coast of the Peloponnese and is protected by the Ramsar Convention. It is an important ecosystem with ecological services providing habitats...
Article
Full-text available
Copper-based bactericides have appeared as a new tool in crop protection and offer an effective solution to combat bacterial resistance. In this work, two copper nanoparticle products that were previously synthesized and evaluated against major bacterial and fungal pathogens were tested on their ability to control the bacterial spot disease of toma...
Article
This study presents a Holocene multi-proxy record from Lake Vouliagmeni, eastern Gulf of Corinth, Greece. The lake is subjected to intense climatic and tectonic forces causing stratigraphic variations with laminated sediments frequently interrupted by homogenous sections and event deposits. Lamination couplets consist of aragonite layers alternatin...
Article
In this study, we present the findings of a sediment core retrieved from Klisova lagoon, Western Greece, an area with a long record of documented human presence. The recovered deposits were subjected to sedimentological, XRF, and micropaleontological analyses. For the last 4700 cal BP, the freshwater influx, the progradation of the Evinos river del...
Article
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This research presents the paleoenvironmental evolution of a drained lake at the Lousoi plateau (northern Peloponnese), for the last 10,000 years, through the study of a 7 m depth core. Analyses conducted on the core include grain size, TOC, TN, pH, EC, total carbonates (%), magnetic susceptibility measurements, XRF analysis, and radiocarbon dating...
Article
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A total of thirteen (13) paleoclimatic coastal and hinterland archives of the broader eastern Mediterranean region were collected and examined statistically in search of underlying trends for the period 2800 to 200 BP. For each archive, a proxy record representative of hydro-climatic changes was selected, normalized using z-factors to facilitate in...
Article
Full-text available
A riverbed swamp in the Krathis River, N. Peloponnese, is studied and analyzed geomorphologicaly. Our analysis is also based on sedimentological, geochemical, palaeontological and radiometric dating data which enabled the investigation of the possible relationship between the studied swamp and the 1913 Tsivlos landslide. Sedimentological analysis s...
Article
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This paper presents the application of three non-destructive techniques in the study of an agricultural area on the west coast of Peloponnese, Greece. The applied methods include a) electromagnetic geophysical research using a handheld EM profiler (EMP-400 GSSI), b) computed tomog-raphy (CT) with coring data, and c) X-ray Fluorescence (XRF) scannin...
Article
The design of antimicrobial polymers is a growing field, as they may replace conventional antimicrobial agents leading to plenty of advantages in marine applications. Polymers with active functional groups may act as carriers for antimicrobial agents. The antimicrobial polymers P(SSAmC16-co-GMAx) and P(VBCHAM-co-AAx) bearing quaternary ammonium com...
Article
Full-text available
This study presents the application of a simultaneous method for the determination of total organic carbon (TOC) and total nitrogen (TN) in marine sediments and soils, using a data set of 206 samples collected from coastal lagoonal/marine sedimentary environments and certified reference materials (CRMs). TOC and TN were determined using the high te...
Article
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Bacterial systems have gained wide attention for depolymerization of lignocellulosic biomass, due to their high functional diversity and adaptability. To achieve the full microbial exploitation of lignocellulosic residues and the cost-effective production of bioproducts within a biorefinery, multiple metabolic pathways and enzymes of various specif...
Article
Full-text available
The synthesis of environmentally friendly antimicrobial polymeric coatings, especially in the case of aquaculture, that inhibit the growth of bio-deposits is a very important issue that will contribute to the cost reduction of nets’ cleaning process as well as the protection of the submarine wealth from the biostatic substances used so far. In the...
Article
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The Achaea and Corinth regions of the northern Peloponnese are renowned for their rich archaeological record. Achaea is part of mainland Greece in the North-Western Peloponnese, whereas Corinth is in the North-Eastern Peloponnese. Since ancient times, ceramic production has played an important role in the local and regional social and economic evol...
Article
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During the last few decades, X-ray attenuation systems have been established as standard techniques in geosciences and as excellent scientific tools for the analysis of sedimentary facies and structures. In the present study, we use two non-destructive and high-resolution systems (computed tomography, X-ray fluorescence) to address all sedimentolog...
Article
Full-text available
The aquaculture sector is the fastest growing food production industry, with sea bass and sea bream consisting important exporting goods in the Mediterranean region. This work presents results of a life cycle assessment of Mediterranean sea bass and sea bream, based on primary data collected from a Greek producer. The system boundary included fish...
Article
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A high quantity of well-dated, high-resolution, continuous geoarchives is needed to connect palaeoenvironmental reconstructions with socio-environmental and cultural transformations in a geographically heterogeneous region such as southern Greece. However, detailed and continuous palaeoclimatic and palaeoenvironmental archives from the NE Peloponne...
Article
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This paper aims at reconstructing the palaeoclimatic changes during the last 2600 years in southern Greece based on a proxy record from Lake Trichonida. For the first time, we provide a reliable age-depth model and continuous geochemical data for the largest and deepest lake in Greece. We use X-ray fluorescence (XRF) geochemical data supported by d...
Preprint
Bacterial systems have gained wide attention for depolymerization of lignocellulosic bio-mass, due to their high functional diversity and adaptability. To achieve the full microbial exploitation of lignocellulosic residues and the cost-effective production of bioproducts within a biorefinery, multiple metabolic pathways and enzymes of various speci...
Article
Full-text available
Crosslinked polymeric materials based on a quaternary trimethylammonium compound were developed and evaluated as potential antifouling coatings. For this purpose, two water-soluble random copolymers, poly(4-vinylbenzyltrimethylammonium chloride-co-acrylic acid) P(VBCTMAM-co-AAx) and poly(N,N-dimethylacrylamide-co-glycidylmethacrylate) P(DMAm-co-GMA...
Article
Introduction of new, more specialized, non-destructive techniques into palaeoenvironmental and palaeoclimatic research, has proven to be of a great asset, over the last decades. Geoarchives like sediment cores can thus be studied with much higher resolution, faster and with less effort, providing significantly more information about sediment compos...
Article
Full-text available
This article is a response to the publication by Nick Marriner, David Kaniewski, Christophe Morhange, Clement Flaux, Matthieu Giaime, Matteo Vacchi and James Goff entitled “Tsunamis in the geological record: Making waves with a cautionary tale from the Mediterranean”, published in October 2017 in Science Advances. Making use of radiometric data set...
Article
Multidisciplinary studies in coastal systems of the eastern Mediterranean region have proven to be excellent tools in understanding paleoenvironmental, paleoecological, and paleoclimatic changes that took place during the Holocene period, and how these changes interacted with urban development and growth. This paper presents sedimentological, high-...
Conference Paper
Full-text available
Over the last years the appliance of Computed tomography (CT) on lacustrine and marine sediment cores is continuously increasing, since it provides a fast, high resolution and nondestructive technique in the investigation of sediment characteristics. Micromorphological features that are not clear through macroscopic examination of the core, can now...
Conference Paper
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In this paper, we present the spatial distribution of sedimentological and geochemical characteristics of the bottom sediments of Vouliagmeni lake which is located in the SW Perachora peninsula extending into the eastern Gulf of Corinth, Greece. A total of nineteen (19) samples consisting of upper 1-2cm lake bottom sediments were collected and anal...
Article
Full-text available
In this study, soil and aquatic sediments were sampled in the Aetoliko Lagoon and its catchment area, which is exclusively dominated by olive orchards. For the first time in Greece, soil as well as sediments samples of one coherent protected aquatic ecosystem were directly compared. In order to determine the influence that the usage of copper-based...
Article
This research aims to improve the knowledge of the mid to late Holocene climate changes and the underlying drivers in the eastern Mediterranean. We focus on the Peloponnese peninsula, SW Greece, characterized by a W-E rainfall/temperature gradient and a strong climate-sensitivity to shifts in the large-scale atmospheric patterns. A radiocarbon-date...
Article
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In order to estimate the palaeoflow direction of the submarine fans, deposited in the Internal Ionian subbasin of the Pindos Foreland, fifty-one positions along the sub-basin were selected and measurements of palaeocurrents indicators such as flute and groove marks were taken. In the studied area the main palaeoflow direction of turbidites was axia...
Article
Full-text available
Many hirundine species construct their nests by carrying mud particles from adjacent areas. This study aimed to investigate for the first time the materials that mud-nesting hirundines choose for nest construction from a mineralogical and sedimentological perspective. For this purpose, we sampled nests of three sympatric species, namely the Barn Sw...
Article
Understanding past hydroclimate variability and related drivers is essential to improve climate forecasting capabilities especially in areas with high climatic sensitivity, such as the Mediterranean. This can be achieved by using a broad spectrum of high resolution, multiple proxy records which can also allow us to assess linkages between regional...
Article
Full-text available
Islands exhibit disproportionally high biodiversity, however high levels of endemism and simplified food webs make their communities susceptible to invasive species. Introduced goats (Capra hircus), a generalist herbivore, are among the most harmful invasive species on islands. Concern about goat impacts on island communities have resulted in eradi...
Article
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The coastal areas of Eastern Mediterranean have long been the subject of research, due to their rapid geomorphological changes, but also because of their archaeological interest. Our study is focused on a shallow coastal lagoon of Peloponnese, Gialova Lagoon, which for several years has attracted the scientific interest of archaeologists, geomorpho...
Article
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In this study we present sedimentological and geochemical parameters in order to evaluate the environmental status of an internationally protected shallow coastal lagoon, Prokopos Lagoon, Western Greece. Six gravity cores with sediment depth up to 0.70 m l were collected and analyzed for K2O, CaO, Na2O, MgO Fe2O3, MnO, Al2O3, P2O5, TOC, V, Cr, Zn,...
Article
Full-text available
Background: Natural oil seeps offer the opportunity to study the adaptation of ecosystems and the associated microbiota to long-term oil exposure. In the current study, we investigated a land-to-sea transition ecosystem called "Keri Lake" in Zakynthos Island, Greece. This ecosystem is unique due to asphalt oil springs found at several sites, a phe...
Article
The island of Zakynthos is one of the most seismically active areas in the Mediterranean region because it is located very close to the convergent boundary between the African and Eurasian plates. Its evolution during the Holocene has been influenced by tectonic activity, catastrophic events and relative sea level changes. The scope of the present...
Conference Paper
Full-text available
The hydrochemical character of the Zacharo basin groundwaters and their suitability for drinking and irrigation purposes are evaluated in this paper. The Pindos karst aquifer, the Neogene and the alluvial aquifer are the three most mportant aquifers of the study area. 46 water samples were taken from wells, boreholes and spring and they analyzed fo...
Article
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This study presents sedimentological and palaeontological data retrieved from a coastal lagoon near Ayvalik in NW Turkey. The objective of this study is to interpret the depositional environments and reconstruct the evolution of the study area during the late Holocene. 42 sediment samples have been retrieved from a 13m core. Sedimentological analys...
Conference Paper
Full-text available
In the study area, in order farmers to keep their olive trees healthy, the first measure is to keep their olive trees well-fed that is the best initial defense against diseases. Copper-based fungicides are the most common fungicides to protect olive plantations against diseases such as the olive leaf spot. Pathogens are controlled by farmers with s...
Conference Paper
Full-text available
Thirty surface soil samples from northwestern Greece in the Ptolemais-Kozani basin, were collected and analyzed for their total content in thirteen elements (Al, Ca, Fe, K, Mg, Mn, Na, P, Cd, Cr, Cu, Ni, Pb, Zn) by ICP-AES and bioavailable content from a plant nutrition scope of view for (Ca, Fe, K, Mg, Mn, Na, P, Zn) by AAS and col-orimetric techn...
Article
In the present study the palaeoenvironmental setting of the coastal mire / swamp zone called ‘Keri Lake’, on Zakynthos Island, west Greece is presented. The mire / swamp area is famous for the asphalt-pitch seepages named as ‘Herodotus-springs’. In order to interpret the Holocene evolution of the area, samples from four 7 m long vibracores were ana...
Article
Full-text available
The Klisova lagoon aquatic system belongs to the wetland of Messolonghi - Aetoliko – Klisova Lagoon Complex, located in the western Greece and represents one of the most important Mediterranean lagoon systems, as it is protected by international conventions and is listed in the Natura 2000 European Network. Water physicochemical parameters such as...
Article
Full-text available
Fine and coarse grained lithofacies and depositional environments were distinguished in Selinous River delta plain, from sediment cores using an Eijkelkamp percussion corer with barrel windows. The sedimentary sequence of deltaic plain deposits of Selinous River mostly consists of fine lithofacies interbedded occasionally with conglomerate facies....
Article
Full-text available
The study area is the Alikes wetland (an old salt pan) which is located in the northern part of Zakynthos island. In the Alikes lagoon an exploratory borehole (GA-1) were drilled in a depth up to 21.20m. A total number of forty six (46) samples were analysed for their particle size, calcium carbonate and total organic carbon content. Moreover, bulk...
Conference Paper
Full-text available
The hydrochemical character of the Zacharo basin groundwaters and their suitability for drinking and irrigation purposes are evaluated in this paper. The Pindos karst aquifer, the Neogene and the alluvial aquifer are the three most important aquifers of the study area. 46 water samples were taken from wells, boreholes and spring and they analyzed f...
Article
Full-text available
Published archaeological, palaeoenvironmental, and palaeoclimatic data from the Peloponnese in Greece are compiled, discussed and evaluated in order to analyse the interactions between humans and the environment over the last 9000 years. Our study indicates that the number of human settlements found scattered over the peninsula have quadrupled from...
Article
Full-text available
Total organic carbon (TOC) and total nitrogen (TN) are the most important components of sediments and soils as they can be used to distinguish marine and terrestrial sources of organic matter, environmental depositional conditions, pollution indices and soil quality and productivity indicators. In this paper we present datasets of measurements of T...
Article
Full-text available
Marine biofouling is a natural phenomenon representing one of the greatest problems in marine technology (navigation, aquaculture nets, etc). To circumvent these problems, antifouling paints or coatings, i.e. matrices containing biocidal species, are used to protect the submerged surfaces and objects. Polymers containing quaternary phosphonium or q...
Article
Full-text available
This study presents sedimentological, palaeoecological and geochemical data from a shallow Mediterranean coastal lagoon which has been severely influenced by human intervention over the last 70 years. The Gialova Lagoon is protected by international conventions and is listed in the Natura 2000 European Community Network as Special Protection Area (...
Conference Paper
Full-text available
The deposition of microorganisms occurs continuously and dynamically to all surfaces submerged in seawater. This phenomenon is called bioaccumulation (biofouling). Marine biofouling represents one of the greatest problems in marine technology. To circumvent this problem, antifouling paints or coatings, i.e. matrices containing biocidal species, are...