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Article Reference Evolution of prehistoric fishing in the Nile Valley
The available data are reviewed on ichthyofaunas from prehistoric sites along the Nile in Egypt and Sudanese Nubia. Former fishing practices are reconstructed using information derived from species spectra, reconstructed fish sizes, growth increment analysis and fishing implements. It is demonstrated that fishing was initially practised exclusively on the floodplain and that it was limited to a small number of shallow water taxa during Late Palaeolithic times. From the Epipalaeolithic onwards (ca 10000-8000 bp), fishing was also undertaken in the main Nile whereby the number of exploited species increased. Technological innovations allowing the exploitation of the deeper parts of the main river included nets and fish-hooks as well as improved vessels, permitting the capture of larger species from the open water. It is argued that fish must always have been a staple food because the animals seasonally occurring in large numbers on the floodplain were intensively exploited and because these fish could be easily dried for future consumption. Once the fishing grounds also included the main river, fishing was no longer restricted to the flood season, but could also be carried out when the Nile levels were low. Hence the role of fish in the resource scheduling also changed at the transition of Late Palaeolithic to Epipalaeolithic times.
Located in Library / RBINS Staff Publications
Article Reference Fish remains from archaeological sites as indicators of former trade connections in the Eastern Mediterranean
The archaeozoological evidence that is available for the trade of fish in the Eastern Mediterranean area is summarized. This overview covers the Chalcolithic to the Crusader period and is based on data from 76 sites compiled from the literature and from as yet unpublished material under study by the authors. Remains of fish from the Nile, the Mediterranean and the Red Sea are regularly found in archaeological sites that are located outside the natural distribution of the fish species and thus indicate that they were transported as items of trade or exchange. Evidence for trade of Anatolian freshwater fish is also documented. The fish bone finds are discussed according to their provenance and the regions to which they were transported, and an attempt is made, on the basis of archaeological, artefactual and - if available - textual evidence, to understand the diachronic changes in the distribution within the broader economic and political contexts of the areas involved in the production and the consumption of fish.
Located in Library / RBINS Staff Publications
Article Reference The ancient fish fauna from Asa Koma (Djibouti) and modern osteometric data on 3 Tilapiini and 2 Clarias catfish species
The fi sh fauna is presented from Asa Koma; a prehistoric site dated around 1800 cal BC and located in Djibouti near Lake Abhé. The site comprises numerous hearths from which the fi sh bones that form the majority of the faunal remains were recovered. Only two fi sh species occur, namely Oreochromis niloticus and Clarias gariepinus, which are also the two major taxa occurring in the saline lake today. The skeletal element distribution and the frequency of charred remains were analysed and, in addition, detailed size reconstructions were carried out. On the basis of modern skeletons from 47 tilapia and 39 Clarias, the metrical relationship between fi sh length and individual bone measurements (32 measuring distances for tilapia and 40 for Clarias) was established with the aid of the “least squares method”. The equations are all listed for future use by other researchers. The fi sh and other fauna do not allow a precise environmental reconstruction, but the large size of the Clarias possibly indicates less saline conditions than today. Using the reconstructed sizes of the fi sh from Asa Koma, modern data on the behaviour of the species, ethnographic and archaeological parallels, and palaeohydrological data, attempts are made to establish the most likely season of fi shing, the possible location of the fi shing grounds, and the fi shing methods that may have been used. Finally, the possible fi sh preparation and fi sh processing methods are discussed.
Located in Library / RBINS Staff Publications
Article Reference Growth changes in plaice, cod, haddock and saithe in the North Sea: a comparison of (post-)medieval and present-day growth rates based on otolith measurements
Fishing effort has strongly increased in the North Sea since the mid-19th century, causing a substantial reduction in the population size of exploited fish stocks. As fisheries research has developed simultaneously with the industrialisation of the fisheries, our knowledge of population dynamics at low levels of exploitations is limited. Otoliths retrieved from archaeological excavations offer a unique opportunity to study growth rates in the past. This study compares historical and present-day growth rates for four commercially important demersal fish species. A total of 2532 modern otoliths (AD 1984–1999) and 1286 historical otoliths (AD 1200–1925) obtained from archaeological excavations in Belgium and Scotland were analysed. Comparison of the growth patterns between eras revealed a major increase in growth rate of haddock, whereas growth changes were not observed in saithe and only in the smaller size classes of plaice and cod. Comparison of our results with literature data indicates that the observed growth rate changes in plaice and cod occurred within the 20th century. Apparently the onset of industrialised fisheries has not greatly affected the growth of plaice, cod and saithe populations in the North Sea. This result contradicts the expectation of density-dependent limitation of growth during the era of pre-industrialised fishing, but is in agreement with the concentration hypothesis of Beverton (Neth. J. Sea Res. 34 (1995) 1) stating that species which concentrate spatially into nursery grounds during their early life-history may ‘saturate’ the carrying capacity of the juvenile habitat even though the adult part of the population is not limited by the adult habitat.
Located in Library / RBINS Staff Publications
Article Reference Statistical treatment of trace element data and ancient animal bone : evaluation of Roman Byzantine environmental pollution
Through chemical analysis of ancient animal bone found at the archaeological site of Sagalassos, and through comparison of the analytical data with that from modern bone and feed from the same location, conclusions on the ancient livestock are made. Samples of ancient and modern goat bone as well as Quercus coccifera were analyzed using Inductively Coupled Plasma–Mass Spectrometry (ICP-MS). After evaluation of the consistency of the chemical characteristics of different types of modern bone in one individual, it is decided to use the trace element data of long bone for statistical treatment. After evaluation of the degree and effects of diagenesis in the fossil bone, it is concluded that trace element data are useful indicators for anthropogenic palaeoenvironmental pollution, as a distinction could be made between elements that occur naturally in the bedrock and those that can be linked to industrial pollution. The occurrence or depletion of the latter elements in fossil bone, show diachronic changes in the chemical composition of the goat bones which can be explained in function of the changing catchment area from which the animals were obtained through time. It is conceivable that during periods of insecurity, such as the fifth to sixth century A.D. in the area of Sagalassos, animal herds were kept closer to the ancient town and would hence take up more pollutants with the ingested food. A lower uptake of pollutants during the fourth century, a rich and secure period in the history of the city, can be explained by a wider catchment area from which the goats were obtained.
Located in Library / RBINS Staff Publications
Article Reference Seasonality only works in certain parts of the year: The reconstruction of fishing seasons through otolith analysis
Seasonality estimations using incremental data usually suffer from small sample sizes and from the lack of comparison with sufficiently large modern samples. The present contribution reports on incremental studies carried out on large assemblages of plaice (Pleuronectes platessa) and haddock (Melanogrammus aeglefinus) from a late medieval fishing village (Raversijde, Belgium) on the North Sea coast. In an attempt to refine previous seasonality estimates made for this site, and to expand conclusions concerning general methodology, extensive monthly samples of modern otoliths of these species, caught within the North Sea, have also been investigated. The modern material shows that the timing of the seasonal changes in the edge type (hyaline or opaque) of the otoliths is extremely variable and that it is dependent on the fishing ground, the year considered, and the age of the fish. It also appears that the increase of the marginal increment thickness is highly variable, to such an extent that the thickness of the last increment of a single otolith is mostly useless for seasonality estimation. Where large archaeological otolith assemblages can be studied, preferably from single depositional events, seasonality determination becomes possible on the condition, however, that the archaeological assemblage corresponds to fish that were captured during their period of fast growth. The growth ring study on the otoliths from Raversijde shows that plaice fishing took place in spring and that it was preceded by a haddock fishing season, probably in late winter/early spring.
Located in Library / RBINS Staff Publications
Article Reference The Middle Holocene Shell Mound of El Gouna on the Red Sea (Egypt)
In the El Gouna (Hurghada) area on the Red Sea of Egypt, a Middle Holocene shell mound from around 5800 B.P. (uncalibrated radiocarbon years before A.D. 1950) has been tested by a restricted excavation. Collection of shellfish on the Red Sea shore provided subsistence opportunities for Middle Holocene groups coeval with the Early Predynastic Tasian of the Nile Valley. The El Gouna site demonstrates for the first time that prehistoric shell mounds exist near the Egyptian Red Sea shore.
Located in Library / RBINS Staff Publications
Article Reference The emergence of fishing communities in the Eastern Mediterranean region : a survey of evidence from pre- and protohistoric periods
The present overview deals with the fish remains found at Palaeolithic to Late Bronze Age sites in the Eastern Mediterranean. Attention is focussed on both marine and continental fisheries in Anatolia, the Levant and Mesopotamia. After presenting a detailed inventory of the archaeofaunal data available in the literature, an attempt is made to document diachronic trends in marine exploitation and continental fishing of the region. The use of fish in ritual and religious practices is dealt with briefly and attention is also paid to fish as trade items.
Located in Library / RBINS Staff Publications
Article Reference The continuous exploitation of wild animal resources in the archaeozoological record from Ghana
The paper provides a critical review of the archaeozoological information from Ghanaian sites published up to now and summarizes the new faunal analysis of several Gonja and Asante sites. The data suggest the persistence of the use of the various wild animal resources available and limited reliance on domestic animals since late prehistoric times up to today, although certain resources such as molluscs, insects etc. may have limited or no visibility. Intensive utilisation of edible wild resources may be prevalent in African woodlands.
Located in Library / RBINS Staff Publications
Article Reference Pickled fish from the Egyptian Nile: osteological evidence from a Byzantine (Coptic) context at Shanhûr
During excavations of the early Roman temple of Shanhûr (near Luxor, Egypt) a large concentration of small fish bones was found in a younger occupation layer dated to the late 6th-early 7th century AD. The various taxa encountered in this Byzantine (Coptic) assemblage are described and quantified in terms of both number of fragments and minimum number of individuals. Fish lengths are reconstructed using power equations for those taxa for which sufficient modern reference material was available. After excluding natural taphonomic agents (otters, fish eating birds, natural death) it is argued that the deposit is anthropic and that the material represents the remains of fish sauce or of pickled fish. Other archaeozoological data from the literature, textual and archaeological evidence, as well as modern practices show that Nilotic fish were consumed in salted form from about 2500 years ago up to the present-day.
Located in Library / RBINS Staff Publications