Evangelia Korakaki

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Evangelia verified their affiliation via an institutional email.

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• MSc, PhD
• Researcher at Forest Research Institute of Athens

The Mediterranean basin is the main area where the cultivation of the olive tree (Olea europaea L.), one of the oldest fruit trees, took place. Olea, found exclusively in the Mediterranean, stands as the representative of the Olea genus, which encompasses 35–40 species distributed across tropical and southern Africa, south Asia, eastern Australia,...

From the analysis of tree rings, the drought index, and the assessment of results, the following conclusions emerged: • During the study period, tree growth on both river banks followed a similar trajectory, with significant growth fluctuations occurring eastward first, followed by either significant or less pronounced increases westward. • Point y...

In the face of ongoing climatic changes, understanding the species’ sap flow responses is of crucial importance for adaptation and resilience of ecosystems. This study investigated diurnal variability and radial sap flux density (Js) in a natural Juniperus drupacea forest on Mt Parnon and determined the climatic factors affecting its total sap flow...

Climate change is leading earth to more frequent and severe extreme weather events. The Mediterranean region, experiencing a 20% faster rate of warming compared to the global average. "ResAlliance" is a thematic network project established by an international consortium of 16 partner organizations, funded by Horizon Europe. The primary goal of ResA...

Το φαινόμενο των δασικών πυρκαγιών τις τελευταίες δεκαετίες έχει γίνει πιο έντονο λόγω της γενικότερης εγκατάλειψης της υπαίθρου και της μειωμένης διαχείρισης των δασικών οικοσυστημάτων σε συνδυασμό με την κλιματική αλλαγή. Η προσπάθεια αντιμετώπισης του προβλήματος μέσω συνεχούς ενίσχυσης της καταστολής, δεν φαίνεται να λύνει το πρόβλημα. Αντίθετα...

Στην παρούσα εργασία περιγράφονται τα πρώτα βήματα για τη δημιουργία προδιαγραφών χρήσης της μεθόδου της προδιαγεγραμμένης καύσης στην Ελλάδα. Στο πλαίσιο του διετούς πιλοτικού ερευνητικού προγράμματος «Προσαρμογή του αγροδασικού περιβάλλοντος στη κλιματική αλλαγή & αύξηση της ανθεκτικότητάς του στις δασικές πυρκαγιές: Πιλοτική εφαρμογή προδιαγεγρα...

Στην παρούσα εργασία παρουσιάζονται συνοπτικά η ιστορική αναδρομή, οι πρόσφατες εξελίξεις και προτάσεις για το μέλλον, σχετικά με την εισαγωγή και υιοθέτηση της μεθόδου της προδιαγεγραμμένης καύσης (ΠΚ) στην Ελλάδα. Σχεδόν μισό αιώνα μετά τις πρώτες προσπάθειες έρευνας και εφαρμογής της, αυτή δεν έχει ακόμη θεσμοθετηθεί, παρόλο που αν εφαρμοστεί ακ...

Η προδιαγεγραμμένη καύση αποτελεί ένα σημαντικό διαχειριστικό εργαλείο, το οποίο μπορεί να έχει ευεργετικές επιδράσεις, όπως η μείωση του κινδύνου από πυρκαγιές του οικοσυστήματος και η βελτίωση της υγείας του. Η παρακολούθηση των επιπτώσεων από την εφαρμογή της μεθόδου, είναι πολύ σημαντική ώστε να βελτιώνονται οι προδιαγραφές χρήσης της και να ελ...

Η φωτιά είναι μία συχνή διαταραχή και κυρίαρχος παράγοντας τόσο για την εξέλιξη όσο και για την οικολογία των Μεσογειακών περιοχών. Για την αξιολόγηση των επιπτώσεων των προδιαγεγραμμένων καύσεων (ΠΚ) στη φυτική ποικιλότητα των πειραματικών επιφανειών (ΠΕ), πραγματοποιήθηκαν δειγματοληψίες για την καταγραφή του αριθμού και της πυκνότητας των αυτοφυ...

A significant challenge in community ecology is the establishment of ecological baselines, which permit the evaluation of the variations in ecological dynamics at different temporal and spatial scales. To our best knowledge, few studies have been conducted in the forest openings of Mt. Parnon to establish a baseline for future monitoring. Hence, a...

A first assessment of genetic diversity and expansion of the invasive species Amorpha fruticosa L. was estimated in the 91E0* (Annex I Dir. 92/43/EEC) priority habitat of Nestos. A. fruticosa is a perennial deciduous shrub belonging to the family Fabaceae and is native to the south-western part of North America, which recently was introduced to Eur...

This paper presents the development of a fuel model that can describe fuel situations in areas dominated by Cistus spp. (rockrose) in Greece. In order to obtain the necessary fuel data, thirty (30) 1 m 2 plots were destructively sampled in phryganic areas dominated by Cistus creticus, Cistus parviflorus, and Cistus salvifolius in western Greece. To...

Juniperus drupacea Labill is a unique representative tree which, nowadays, has limited geographical range. In Greece, it exists only in the southeastern part of the Peloponnese, and it is labeled as endangered according to the IUCN in Europe. In the light of climatic changes, a conservation plan which will secure its adaptation and resilience is im...

Η εισαγωγή της μεθόδου της προδιαγεγραμμένης καύσης στην Ελλάδα, επιχειρήθηκε για πρώτη φορά τη δεκαετία του 1970, από τη Δασική Υπηρεσία. Το σημαντικό αυτό εγχείρημα, δεν τελεσφόρησε και εγκαταλείφθηκε σταδιακά, κυρίως λόγω έλλειψης σαφούς νομικού πλαισίου, αποτελεσματικής εποπτείας, σταθερής χρηματοδότησης, συνεχούς επιστημονικής καθοδήγησης και...

Considering the emerging challenges posed by the spread of COVID-19, this study was designed to evaluate citizens’ perceptions of the role of urban green areas in the era of COVID-19 in Greece. The evaluation was based on the implementation of an electronic questionnaire survey through the Google Forms platform, which was conducted nationwide. The...

Since 2021, we have run a two-year pilot project on prescribed burning on the island of Chios, aiming to introduce prescribed burning as a tool for forest fuel management. Our team consists of researchers and practitioners from WWF Greece, the Institute of Mediterranean Forest Ecosystems of ELGO DIMITRA, the Forest Directorate of Chios Island, and...

This paper presents the first steps of a 2-year pilot project on prescribed burning (PB) in Greece. To re-introduce the use of fire in wildfire prevention in the country, as an accurate and effective management tool, more research is needed. Hence, we will conduct planned field PB experiments which will provide us sound knowledge about fire behavio...

A 2-year pilot project on prescribed burning (PB) has been running on the island of Chios, Greece since 2021. A core team of researchers and practitioners from WWF Greece, the Institute of Mediterranean Forest Ecosystems of ELGO "DIMITRA", the Forest Directorate of Chios Island, and the Voluntary Action Team “OMIKRON”, is conducting planned field P...

The use of unmanned aerial vehicles (UAVs) as an application on forestry applications has been limitedly investigated in Greece compared to other productive sectors (e.g. agriculture, energy, etc.). The aim of the research project "Innovative use of Unmanned Aerial Vehicle Systems in Forest Ecosystem Management-Pilot implementation on the endangere...

Σκοπός του έργου είναι η προστασία και η αειφορική διαχείριση των αυτοφυών πληθυσμών δρυπώδους αρκεύθου (Juniperus drupacea Labill., κοινή ονομασία: δενδρόκεδρο) που σε εθνικό και ευρωπαϊκό επίπεδο απαντώνται αποκλειστικά στη ΝΑ Πελοπόννησο. Tο είδος προστατεύεται από το ΠΔ 67/1981, ανήκει στον οικότοπο προτεραιότητας «9560* - Μεσογειακά δάση με εν...

Urban green areas present a lucid example for the harmonious co-existence of the artificial and natural environments best illustrated by their interdependence and interconnection in urban spaces. Urban green areas are essential for the health and wellbeing of citizens. The present study aimed to investigate those multiple benefits for citizens that...

The increase in international trade and the changes in the natural environment of many countries caused a rapid increase in the introduced non‐native species. These invasive and alien species (IAS) many times pose special difficulties in the conservation of native biological diversity. Especially in Greece, where the number of endemic species is hi...

Research Highlights: The radial gradient of sap flux density (Js) and the effects of climatic factors on sap flow of Aleppo pine were assessed at different time scales in an eastern Mediterranean ecosystem to improve our understanding of the species water balance. Background and Objectives: Aleppo pine’s sap flow radial profile and responses to env...

During the last decades, raises in temperature have been identified in several places in Greece, even in mountainous forest areas. Heraklion city is located in the island of Crete in East Mediterranean. In Heraklion, the impact of climate change is evident. The aim of this work is to identify and quantify the changing trends of mean, maximum and mi...

National Parks are natural areas that usually possess high ecological and cultural value. Their intact landscapes, the representativeness of their natural ecosystems and the high diversity of their biota give them outstanding ecological, aesthetic, cultural, educational and scientific values. They have high conservation value and attract numerous...

The purpose of this paper is to present the project «Experimental actions with the educators in the forest» within the framework of the measure innovative actions of the financing program «Natural Environment & Innovative Environmental Actions 2018». The main aim of the project is the capitalization of forestry research field with a view to enhance...

The Mediterranean Basin is one of the most bio-diverse regions and the third most important plant diversity hotspot worldwide. However, the Mediterranean region is also known as one of the planet most threatened territories, being the 4 th most significantly altered biodiversity hotspot of the planet, and the 2 nd in habitat area loss. Therefore, o...

Η μεταβολή του κλίματος επιβάλει να βελτιώσουμε το πλαίσιο διαχείρισης των χώρων αστικού πρασίνου (ΧΑΠ) στις πόλεις μας, ώστε να καταστούν πιο ανθεκτικοί, και να μετριάσουμε τις επιπτώσεις που αυτή η μεταβολή θα επιφέρει. Οι χώροι πρασίνου συμβάλλουν στη μείωση της θερμοκρασίας, βελτιώνουν την ποιότητα του αέρα, μειώνουν τον κίνδυνο πλημμυρών, ενώ...

Nestos Delta (north Greece) is a complex ecosystem of high ecological importance, protected by the European Union as a Natura 2000 site. The presence of the habitats 3170* and 91E0*, which are highly connected with water resources availability, impose the continuous monitoring of precipitation in the area, since even minor changes of the precipitat...

Urban green and blue spaces are recognized as driving factors for mitigation and adaptation of climate change impacts in cities, generating environmental, economic and social benefits, supporting biodiversity conservation, reducing the effects of heat waves and other extreme events (flooding, drought, etc.). The optimal placement and selection of g...

Aleppo pine (Pinus halepensis Mill.) is widespread in most countries of the Mediterranean area. In Greece, Aleppo pine forms natural stands of high economic and ecological importance. Understanding the species' ecophysiological traits is important in our efforts to predict its responses to ongoing climate variability and change. Therefore, the aim...

Air temperature in Heraklion-Crete has significantly increased the last 63 years. The climate became hotter, especially during summer and autumn, while in spring and winter remained rather unchanged. The increased average temperature values attributed to the significant increase in minimum temperatures especially during summer and autumn, while the...

Even though rare, mega-fires raging during very dry and windy conditions, record catastrophic impacts on infrastructure, the environment and human life, as well as extremely high suppression and rehabilitation costs. Apart from the direct consequences, mega-fires induce long-term effects in the geomorphological and hydrological processes, influenci...

This paper presents part of the results of the first land cover mapping at national level and in two time periods (1987, 2007) and the land cover changes occurred within the twenty year period in Greece. The land cover mapping and the identification of land cover changes, aimed at addressing the root causes of the forest degradation in Greece and t...

In EU project CLIMRUN, there has been a continuous interaction with stakeholders and end-users to develop new and improved tools to extract useful and useable information tailored to the needs of specific sectors. In this work, we review the provision of climate information services required in the Mediterranean country of Greece where forest fires...

Context This study investigates post-fire natural regeneration of Aleppo pine (Pinus halepensis) forests at Ilia region (Peloponnesus, Greece) following the catastrophic fire of 2007. Aims The objective of this study is the prediction of P. halepensis post-fire regeneration at a regional scale through an integrated geographic information systems (G...

Variations in water tension in a transpiring tree cause elastic changes in stem diameter. To better understand the dynamics of these variations, stem diameter changes and sap flow rates were monitored simultaneously in trees from two Scots pine chronosequences in Scotland. Tree below‐ground hydraulic conductance ( k bg ) was estimated from the rela...

Vegetative propagation techniques such as grafting can be used, in conjunction with field studies, to decouple the relative effects of age and size on tree metabolism and growth. Despite interest in this approach, little attention has been paid to the best metrics for assessing the growth performance of grafted plants over time. Based on an analysi...

There is increasing interest in understanding the costs and benefits of increased size and prolonged lifespan for plants. Some species of trees can grow more than 100 m in height and can live for several millennia, however whether these achievements are obtained at the cost of some other physiological functions is currently unclear. As increases in...