Earliest evidence for human consumption of crayfish

Patoka, Jiří; Fišáková, Miriam Nývltová; Kalous, Lukáš; Škrdla, Petr; Kuča, Martin

doi:10.1163/15685403-00003368

Cited by 14 publications

(8 citation statements)

References 26 publications

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“…That species was identified as A. astacus based on characteristics of excavated dactyl fragments (Patoka et al, 2014a). This fact is in accordance with the recent distribution of this species, which is indigenous to this area (e.g.…”

Section: Prehistoric Use Of Crayfish: Archaeological Evidencesupporting

confidence: 83%

Crayfish in Czech cultural space: the longest documented relationship between humans and crayfish in Europe

Patoka

Kocánová

Kalous

2016

Knowl. Manag. Aquat. Ecosyst.

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-The crayfish is an interesting element of cultural history in many regions where this animal plays an important role through its exploitation by humans. The present study provides comprehensive insight into the relationship between humans and crayfish within the Central European regions of Bohemia and Moravia, collectively recognized as the Czech cultural space. The study combines data obtained from Czech and Latin historical literature; archival juristic documents and codes of law; old cooking and fishing journals, books, and textbooks; digitized materials available on the internet; and specialized and scientific publications. Human exploitation of crayfish within the evaluated region has been continuous from prehistory to the present and is thus the oldest in all of Europe. Important moments are displayed on timeline. Key-words:Freshwater invertebrate / exploitation / history / aquaculture / Czech Republic Résumé -L'écrevisse dans l'espace culturel tchèque : la relation la plus longue documentée entre les humains et les écrevisses en Europe. L'écrevisse est un élément intéressant de l'histoire culturelle dans de nombreuses régions où cet animal joue un rôle important grâce à son exploitation par les humains. La présente étude offre un aperçu complet de la relation entre les humains et les écrevisses dans les régions d'Europe centrale de Bohême et de Moravie, collectivement reconnues comme l'espace culturel tchèque. L'étude combine des données obtenues à partir de la litté-rature tchèque et historique latine ; de documents d'archives juridiques et de codes de la loi ; de vieux journaux, livres et manuels de cuisine et de pêche ; de documents numérisés disponibles sur l'Internet ; et de publications spécialisées et scientifiques. L'exploitation humaine des écrevisses dans la région étudiée a été continue depuis la préhistoire jusqu'à aujourd'hui et est ainsi la plus ancienne de toute l'Europe. Les moments importants sont affichés sur un tableau chronologique. Mots-clés :Invertébrés d'eau douce / exploitation / histoire / aquaculture / République Tchèque

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Section: Prehistoric Use Of Crayfish: Archaeological Evidencesupporting

confidence: 83%

Crayfish in Czech cultural space: the longest documented relationship between humans and crayfish in Europe

Patoka

Kocánová

Kalous

2016

Knowl. Manag. Aquat. Ecosyst.

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“…However, crustacean remains are more commonly found in archaeological deposits than suggested by the relatively scarce reports in the scientific literature (Gutiérrez Zugasti, ). Remains of freshwater crayfishes have been reported from archaeological sites in North America (Hall, ) and Europe (Patoka et al ., ). The latter include several Neolithic sites in Poland (D. Makowiecki, personal communication) and Romania (Bălăşescu, Moise & Radu, ) and a 16th century site in Strasbourg (Borvon & Gruet, ).…”

Section: Archaeological Evidencementioning

confidence: 97%

Interdisciplinarity to reconstruct historical introductions: solving the status of cryptogenic crayfish

et al. 2015

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Anciently introduced species can be confounded with native species because introduction pre-dates the first species inventories or because of the loss of the collective memory of the introductions. The term 'cryptogenic species' denotes species of unknown or unclear status (native versus non-native) in a given territory, and disciplinary approaches are often insufficient for solving their true status. Here, we follow an integrative, multidisciplinary approach to solve the status of a cryptogenic species, proposing that building on evidence from multiple disciplines can produce robust and clarifying insights. We undertook an exhaustive review of information on a putatively native crayfish (Austropotamobius italicus) in Spain. The reviewed information included taxonomy, genetics and phylogeography, history, archaeology, linguistics, biogeography, ecology, symbiotic organisms and even gastronomy and pharmacy. The knowledge produced by different scientific disciplines converges to indicate that A. italicus is a non-native species in Spain. Historical documents even identify the first introduction event: crayfish were shipped from Italy to Spain in 1588 as a diplomatic gift from Francesco I de' Medici to King Philip II of Spain. Previous discussions on the status of A. italicus focussed on inconclusive and often confusing genetic results and excluded the rich and clarifying evidence available from other approaches and disciplines. Interdisciplinarity is an often-invoked but rarely implemented practice in an academic environment that increasingly promotes narrowfocussed specialization. Our review shows that the integration of disciplines can surpass disciplinary approaches in solving scientific controversies. Our results have straightforward implications for strategies to conserve biological diversity in Spain and Europe, urging a debate on the appropriateness of devoting conservation efforts to nonnative species.

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“…The value of the radiation heat transfer coefficient r h , in accordance with the standard parameters [5], is determined on the basis of the relation: (2) where: E -is the surface emittance, emissivity parallel surface, -…”

Section: Heat Transfer Parameters In Air Spacesmentioning

confidence: 99%

“…The combination of reflective insulation with heat-insulating material, for example, polyethylene foam, allows to obtain a qualitatively new product with high heat-shielding qualities. The analysis of thermal insulation capacity of such materials, applied in specific building structures, is undertaken, among others, by the papers [1][2][3][4]. These studies indicate that such materials show positive effects with regard to improvement of thermal insulation capacity of external envelopes wall and other constructions..…”

Section: Introductionmentioning

confidence: 99%

Thermal efficiency of the building envelope with the air layer and reflective coatings

Ujma

Umnyakova

2019

E3S Web Conf.

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Currently, when calculating the heat-shielding qualities of external enclosing structures, the ability of fencing surfaces to reflect the heat flux by radiation is not taken into account. All this leads to an underestimation of heat-shielding characteristics in comparison with reality. Studies have shown. that a number of factors affect the thermal protection of air layers - the difference in temperature on the surfaces of the interlayer, its thickness. But the most important is the coefficient of elimination of the air gap surface. The use of reflective heat insulation with a low emissivity on one of the surfaces of the air gap makes it possible to increase its thermal protection 2.5–3 times. The article presents the calculations of thermal protection of air gaps with different emissivity coefficients of surfaces and conclusions about the effectiveness of the use of reflective insulation.

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Earliest evidence for human consumption of crayfish

Cited by 14 publications

References 26 publications

Crayfish in Czech cultural space: the longest documented relationship between humans and crayfish in Europe

Crayfish in Czech cultural space: the longest documented relationship between humans and crayfish in Europe

Interdisciplinarity to reconstruct historical introductions: solving the status of cryptogenic crayfish

Thermal efficiency of the building envelope with the air layer and reflective coatings

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