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Article Reference A comparison of three main scientific literature databases using a search in aquatic ecology
Online searches for relevant scientific references using keywords have become common practice. Several multidisciplinary scientific online databases are available, of which Web of Science, Scopus (both payable) and Google Scholar (free of charge) are the most commonly used. We test the hypothesis that results of highly similar searches in these three databases do not necessarily give comparable results. We set out to query the three databases with a real example on “diapause in microcrustaceans” (Cladocera, Copepoda and Ostracoda), using the same time period (2012–2021), the same keywords with the same syntaxis and the same sorting criterion (“relevance”), and compared the first 100 hits provided by each database. There were several references provided which were irrelevant to the search, especially in the Web of Science, and of the remaining relevant references, only 9.84% were provided by all three databases. Our survey showed significant differences amongst the results provided by the databases, especially for “hydroperiod” and “type of environment”. These differences can be the result of different coverage of the scientific literature by the databases, but also of the different ways by which the criterion “relevance” is calculated by the three algorithms. We, therefore, recommend that literature surveys must be based on several databases; otherwise, the results might become biased.
Located in Library / RBINS Staff Publications 2022
Article Reference Dried aquatic macrophytes are floating egg banks and potential dispersal vectors of ostracods (Crustacea) from pleuston communities.
In aquatic ecosystems, such as Neotropical floodplains, it is common to find dried aquatic macrophytes along the margins of various environments (e.g. lakes and rivers) during the dry season. Here, we evaluate the potential of dried Eichhornia crassipes as a dispersal vector of ostracod resting eggs by assessing the abundance, richness and beta diversity of the dormant associated fauna. We test two hypotheses: (1) that the roots of E. crassipes shelter and disperse ostracod resting eggs and (2) that the abundance, richness and beta diversity of dormant assemblages will increase over the incubation time after re-hydration. Dried E. crassipes from floodplain lakes were hydrated with distilled water. The microcosms were kept in germinating chambers with controlled temperature and photoperiod during 147 days. A total of 397 ostracods representing seven species hatched from the resting eggs attached to dried macrophyte roots. An increase in richness and a decrease in abundance were observed over the weeks, although these trends were not significant. However, the beta diversity increased significantly over the incubation time. Our results show that the complex root systems of E. crassipes have the potential for storage and dispersal of ostracod resting eggs.
Located in Library / RBINS Staff Publications 2022
Article Reference A (very) brief vademecum on biological nomenclature
This editorial is aimed at explaining why the editors of Hydrobiologia are so concerned with biological nomenclature and why we ask our authors the utmost precision when referring to species in their papers. In particular, the Instructions for Authors of the journal specify that “When a species name is used for the first time in an article, it should be stated in full, and the name of its describer should also be given” (https://www.springer.com/journal/10750/submission-guidelines?IFA#Instructions%20for%20Authors_Scientific%20style). In the next lines, we want to show that this is not just an old fashion formalism, but a necessity to correctly and univocally identify the biological subjects that are the basis of the research published in this journal. Moreover, Hydrobiologia is a generalist journal giving voice to research embedded in a wide ecological and evolutionary context, carried out in any kind of aquatic ecosystem, and considering all their biological entities from small viruses onwards to large whales! Thus, the work of a, for example, fish biologist, should be readable for a botanist and vice versa. This achievement can be reached by avoiding as much as possible the jargon typical of each discipline (as the so called “common names” can be considered) and allowing the unequivocal identification of the targeted biological entities.
Located in Library / RBINS Staff Publications 2022
Article Reference Diaphus otoliths from the European Oligocene (Myctophidae, Teleostei)
Located in Library / RBINS Staff Publications
Article Reference Otolithes de myctophidés (poissons téléostéens) des terrains tertiaires d'Europe: révision des genres Benthosema, Hygophum, Lampadena, Notoscopelus et Symbolophorus
Located in Library / RBINS Staff Publications
Article Reference Fish otoliths from the Cantaure Formation (Early Miocene of Venezuela)
Located in Library / RBINS Staff Publications
Article Reference Fisch-Otolithen aus brackischen Faziezräumen aus dem Mittel-Eozän von Norditalien und Ungarn
Located in Library / RBINS Staff Publications
Article Reference Coelorinchus stellaris n. sp. (poisson macrouridé) de l'Oligocène terminal d'Aquitaine et son intérêt paléobiogéographique
Located in Library / RBINS Staff Publications
Article Reference Diaphus otoliths from the European Neogene (Myctophidae, Teleostei)
Located in Library / RBINS Staff Publications
Article Reference Stomiiformes (Teleostei, Otolithen) aus dem Miozän der Karpatischen Vortiefe (Westkarpaten, Mähren) und der Zentralen Paratethys
Located in Library / RBINS Staff Publications