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  1. Article ; Online: Entrapped in Olive-Harvesting Nets

    Yiannis G. Zevgolis / Apostolos Christopoulos

    Diversity, Vol 15, Iss 452, p

    A Case of a Grass Snake Natrix natrix from an Olive-Growing Greek Aegean Island

    2023  Volume 452

    Abstract: Despite a recent shift towards sustainable practices to support the conservation of traditional olive groves, little is known about their potential threats to herpetofauna species. On the island of Lesvos, one of the main olive-growing islands in the ... ...

    Abstract Despite a recent shift towards sustainable practices to support the conservation of traditional olive groves, little is known about their potential threats to herpetofauna species. On the island of Lesvos, one of the main olive-growing islands in the Mediterranean, olive cultivation often prioritizes the expeditious harvesting of olives with minimal or no supplementary intervention, resulting in their generally suboptimal management, a component of which also pertains to the olive nets that, in many cases, remain dispersed and unfurled throughout the groves. This particular practice affects the species living in the olive groves, making them more prone to risks related to their accidental trapping. In this study, we report the first case of a Grass snake being inadvertently trapped in an olive net laid out on an olive grove. The position of the snake under the net, within a folded tipping, made it difficult for it to escape, and it became increasingly entangled. Based on this incident, it is plausible to assume that similar cases may occur in areas where nets are used in olive groves, both in Greece and other olive-growing countries. Further systematic research is necessary to determine the extent of this issue.
    Keywords herpetofauna ; reptiles ; traditional olive groves ; traditional practices ; Lesvos ; Biology (General) ; QH301-705.5
    Subject code 333
    Language English
    Publishing date 2023-03-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: An agricultural practice as a direct threat to the snake-eyed skink Ablepharus kitaibelii (Bibron & Bory de Saint-Vincent, 1833) in central Greece

    Apostolos Christopoulos / Panayiotis Pafilis

    Herpetozoa, Vol 34, Iss , Pp 9-

    2021  Volume 12

    Abstract: Terrestrial reptiles are threatened by numerous anthropogenic activities, including agriculture. Many agricultural methods and techniques affect the herpetofauna located in the oldest known tree crops in the Mediterranean Basin, olive trees. For the ... ...

    Abstract Terrestrial reptiles are threatened by numerous anthropogenic activities, including agriculture. Many agricultural methods and techniques affect the herpetofauna located in the oldest known tree crops in the Mediterranean Basin, olive trees. For the first time, we present a case of unintentional capture (and killing) of 12 snake-eyed skinks Ablepharus kitaibelii (Bibron & Bory de Saint-Vincent, 1833) on an insect control sticky trap in an olive grove in central Greece.
    Keywords Zoology ; QL1-991
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher Pensoft Publishers
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: DCBLD1 is associated with the integrin signaling pathway and has prognostic value in non-small cell lung and invasive breast carcinoma

    Guillaume B. Cardin / Monique Bernard / Francis Rodier / Apostolos Christopoulos

    Scientific Reports, Vol 11, Iss 1, Pp 1-

    2021  Volume 11

    Abstract: Abstract Germline single nucleotide polymorphisms in the promoter region of the DCBLD1 gene are associated with non-smoking cases of both non-small cell lung carcinoma (NSCLC) and human papillomavirus-negative head and neck cancer. However the clinical ... ...

    Abstract Abstract Germline single nucleotide polymorphisms in the promoter region of the DCBLD1 gene are associated with non-smoking cases of both non-small cell lung carcinoma (NSCLC) and human papillomavirus-negative head and neck cancer. However the clinical relevance and function of DCBLD1 remain unclear. This multicenter retrospective study was designed to evaluate the prognostic value and function of DCBLD1 in the four main solid cancers: NSCLC, invasive breast carcinoma, colorectal adenocarcinoma and prostate adenocarcinoma. We included the following cohorts: GSE81089 NSCLC, METABRIC invasive breast carcinoma, GSE14333 colorectal adenocarcinoma, GSE70770 prostate adenocarcinoma and The Cancer Genome Atlas (TCGA) Firehose Legacy cohorts of all four cancers. DCBLD1 gene expression was associated with a worse overall survival in multivariate analyses for both NSCLC cohorts (TCGA: P = 0.03 and GSE81089: P = 0.04) and both invasive breast carcinoma cohorts (TCGA: P = 0.02 and METABRIC: P < 0.001). Patients with high DCBLD1 expression showed an upregulation of the integrin signaling pathway in comparison to those with low DCBLD1 expression in the TCGA NSCLC cohort (FDR = 5.16 × 10–14) and TCGA invasive breast carcinoma cohort (FDR = 1.94 × 10–05).
    Keywords Medicine ; R ; Science ; Q
    Subject code 616
    Language English
    Publishing date 2021-06-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: An (Un)Expected Threat for a Regionally Near-Threatened Species

    Yiannis G. Zevgolis / Apostolos Christopoulos / Ioannis Ilias Kalargalis / Stylianos P. Zannetos / Iosif Botetzagias / Panayiotis G. Dimitrakopoulos

    Animals, Vol 13, Iss 1, p

    A Predation Case of a Persian Squirrel on an Insular Ecosystem

    2022  Volume 24

    Abstract: One of the most successful predators on island ecosystems is the domestic cat, which is considered responsible for the decline of numerous species’ populations. This can be estimated by the analysis of cats’ dietary habits, yet prey identification is not ...

    Abstract One of the most successful predators on island ecosystems is the domestic cat, which is considered responsible for the decline of numerous species’ populations. This can be estimated by the analysis of cats’ dietary habits, yet prey identification is not always possible, and thus, in cases where precise prey identification is required, one of the most accurate methods derives from observing the hunting process. However, the cryptic nature of the feral cats and the constant vigilance of the species that are preyed upon make the observation process difficult, especially when the prey has a low population density. Here, we report for the first time such a case: a feral cat that has ambushed, killed, and consumed a regionally near-threatened species, the Persian squirrel. This incidental observation happened in the squirrel’s westernmost end of its distribution, the island of Lesvos, Greece. Due to the unexpectedness of the event, in the following days, we estimated both the squirrels’ and cats’ population density. Results showed that while the density of the squirrels is moderate, the population density of the feral cats is almost fifteen times higher. For this reason, management actions need to be taken in an effort to minimize the impacts of feral cats on the native species of the island.
    Keywords Sciurus anomalus ; Felis catus ; predation event ; invasive species ; islands ; Lesvos ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
    Subject code 590
    Language English
    Publishing date 2022-12-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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