A Study of European Cereal Frequency Change During the Iron Age and Roman Periods
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A Study Of European Cereal Frequency Change During The Iron Age And Roman Periods Tim Mills Volume One Text Thesis submitted in fulfilment of the Degree of Doctor of Philosophy, Department of Archaeology, University of Sheffield December, 2006 To my parents on the occasion of their Golden Wedding Anniversary Contents VOL I Text Acknowledgements Abstract List of abbreviations used in the text Chapter 1 Introduction 1.1 The problem and its research history 1 1.1.1 The classic models 2 1.1.2 Genetic suppositions 3 1.1.3 Regional archaobotanical Qattems and QroQQsitions 4 1.1.3.1 Germany 4 1.1.3.2 The Netherlands 5 1.1.3.3 Britain 6 1.1.3.4 France 7 1.1.3.5 Italy and Greece 8 1.2 The overview 8 1.3 Project aims and objectives 9 Chapter 2 Methods 2.1 Introduction 12 2.2 The archaeobotanical data 12 2.2.1 Constructing the database 12 2.2.1.1 Sources of data 12 2.2.1.2 Sample eligibility criteria 12 2.2.1.3 The variables recorded 14 2.2.1.4 Standardising the data 15 2.2.2 Data analysis 17 2.2.2.1 Correspondence analysis 17 2.2.2.2 Chronological framework 17 2.3 Interpretation 18 2.3.1 The socio-economic context 18 2.3.2 Agronomic data 19 2.3.3 Ancient textual data 19 2.3.3.1 Constructing the literary database 19 2.3.3.1.1 The principal authors 20 2.3.3.1.2 The editions utilised 21 2.3.3.1.3 Recording the data 22 2.3.3.2 Interpreting the meaning of the passages 22 2.3.3.2.1 Establishing equivalence between epithets and the archaeobotanical taxa 22 2.3.3.2.2 Properties and merits 22 Chapter 3 Archaeobotanical Results 3.1 Introduction 24 3.2 The British Dataset 25 3.2.1 Sites and samples 25 3.2.2 Species and plant parts 25 3.2.3 Changes from the Iron Age to the Roman period 26 3.2.4 Changes within the Iron Age and Roman periods 26 3.2.5 Geographic differences 27 3.3 The German Dataset 27 3.3.1 Sites and samples 27 3.3.2 Species and plant parts 28 3.3.3 Changes from the Iron Ag~ to th~ Roman period 28 3.3 4 Changes within the Iron Age and Roman periods 29 3.3.5 Geographic differences 29 3.4 ~he Fre';ch dataset 30 I 3.4.1 Sites and samples 30 3.4.2 Species and plant parts 30 3.4.3 Changes from the Iron Age to the Roman period 31 3.4 4 Changes within th~ IrQn Ag~ and RQrnan periods 31 3.5 The Dutch Dataset 32 3.5.1 Sites and samples 32 3.5.2 S~cies and plant parts 32 3.5.3 Changes from the Iron Age to the Roman period 32 3.5 4 Changes within the Iron Age and Roman periods 33 3.6 The Swiss Dataset 33 3.6.1 Sites and samples 33 3.6.2 S~cies and plant parts 34 3.6.3 Changes from the Iron Age to the Roman period 34 3.64 Changes within the Iron Ag~ and Roman p~riods 34 3.7 The Italian Dataset 35 3.7.1 Sites and samples 35 3.7.2 Species and plant parts 35 3.7.3 Changes from the Iron Age to the Roman period 35 3.74 Changes within the Iron Age and Roman periods 36 3.8 The Greek dataset 36 3.8.1 Sites and samples 36 3.8.2 Species and plant parts 37 3.8.3 Changes from the Iron Age to the Roman period 37 3.84 Changes within the Iron Age and Roman periods 37 3.9 Summary 37 3.9.1 General observations with respect to each region 37 3.9.1.1 Britain 37 3.9.1.2 Germany 38 3.9.1.3 France 38 '3.9.1.4 The Netherlands 38 3.9.1.5 Switzerland 38 3.9.1.6 Italy 39 3.9.1.7 Greece 39 3.9.2 Some general observations with respect to the Iron Age and Roman Periods 39 Chapter 4 Agro-ecological factors 4.1 Introduction 41 4.2 The agro-ecological context of the study area today 41 4.3 Implications for cereal frequencies 44 Chapter 5 Integrating archaeological evidence 5.1 Introduction 45 5.2 Regional overviews 45 5.2.1 The gradual adoption of iron (c. 1100-800 BC) 45 5.2.1.1 Greece 46 5.2.1.2 The Urnfields of central Europe 47 5.2.1.3 The Alps 48 5.2.1.4 Italy 48 5.2.1.5 The Low Countries 50 5.2.1.6 Britain 50 5.2.2 Eastern influences and regionalism (c. 800-600 BC) 51 5.2.2.1 The Mediterranean 51 5.2.2.2 Hallstatt C Central Europe 52 5.2.2.3 France and the Low Countries 53 5.2.2.4 Switzerland 54 5.2.2.5 Britain 55 5.2.3 The e2mansion of trade (c. 600-450 BC) 56 5.2.3.1 The Mediterranean 56 5.2.3.2 Central Europe (Hallstatt D) 57 5.2.3.3 Proto-Germanic areas north of the Rhine 59 5.2.3.4 The Atlantic margin 59 5.2.4 Convergence between Mediterranean and EuroQean worlds (450-250 BC) 60 5.2.4.1 The Mediterranean 60 5.2.4.2 Europe 62 5.2.5 The rise of Rome as a world QQwer(250-50 BC) 64 5.2.5.1 The Roman conquest of the Greek peninsula 67 5.2.5.2 Transalpine Gauls 68 5.2.5.3 Germans 69 5.2.5.4 Alpine communities 70 5.2.5.5 Britons 70 5.2.6 High EmQire and Romanization (50 BC-AD 250) 71 5.2.6.1 Italy 73 5.2.6.2 Greece 74 5.2.6.3 Gaul 75 5.2.6.4 Germania 77 5.2.6.5 Britain 79 5.2.7 Crisis and decline (AD 250-AD 450) 81 5.2.7.1 Gaul 82 5.2.7.2 Germania 83 5.2.7.3 Britain 84 5.3 Implications for cereal frequencies 86 5.3.1 The ke): develoQments during the Iron Age Qeriod 86 5.3.2 Th~ ke): d!.'lv~loQmen~during the Roman Q!.'lriod 87 5.3.3 Regional variations in the ke): changes 88 5.3.4 CroQ choices under shifting socio-economic circumstances 89 5.3.4.1 Subsistence farming 89 5.3.4.2 Market farming 90 5.3.4.3 Technologically enabled farming 90 5.3.4.4 The need to expand production 91 Chapter 6 An overview of the taxa 6.1 Introduction 93 6.2 Oat 93 6.2.1 Classification 93 6.2.2 Evolution and early history 93 6.2.3 General description 94 6.2.4 Current distribution and ~gro-ecological preference 95 6.3 Rye 95 6.3.1 Classification 95 6.3.2 Evolution and early history 96 6.3.3 General description 96 6.3.4 Current distribution and agro-ecological preference 97 6.4 Barley 97 6.4.1 Classification 97 6.4.2 Evolution and early history 98 6.4.3 General description 98 6.4.4 Current distribution and agro-ecological preference 99 6.5 Wheat 100 6.5.1 Classification 100 6.5.2 Einkom 102 6.5.2.1 Evolution and early history 102 6.5.2.2 General description 102 6.5.2.3 Current distribution and agro-ecological preference 103 6.5.3 Emmer 103 6.5.3.1 Evolution and early history 103 6.5.3.2 General description 103 6.5.3.3 Current distribution and agro-ecological preference 104 6.5.4 Durum 105 6.5.4.1 Evolution and early history 105 6.5.4.2 General description 105 6.5.4.3 Current distribution and agro-ecological preference 106 6.5.5 SW! 106 6.5.5.1 Evolution and early history 106 6.5.5.2 General description 108 6.5.5.3 Current distribution and agro-ecological preference 108 5.5.6 Bread wheat 109 6.5.6.1 Evolution and early history 109 6.5.6.2 General description 110 6.5.6.3 Current distribution and agro-ecological preference 111 6.6 Implications for cereal frequencies 112 6.6.1 Possible imQlications for genera freguencies 112 6.6.2 Possible imQlications for wheat sQeCiesfreguencies 113 Chapter 7 Integrating modern agronomic evidence 7.1 Introduction 115 7.2 The production process 115 7.2.1 Farming system 115 7.2.2 CroQping system 116 7.2.3 Seed Qroduction system 117 7.2.4 Agronomic method 118 7.2.5 CroQ monitoring system 119 7.2.6 Methods of Qr!maration for consumQtion 120 7.2.6.1 Milling 120 7.2.6.2 Baking 122 7.2.6.3 Fermentation 122 7.2.6.4 Par-boiling 123 7.3 Cereal characteristics relevant to production and consumption 123 7.3.1 Production characters 124 7.3.1.1 Spring or autumn sown growth habit 124 7.3.1.2 Photoperiod 126 7.3.1.3 Winter Hardiness 127 7.3.1.4 Immunity to pests and diseases 129 7.3.1.5 Soil moisture requirement 130 7.3.l.6 Nitrogen requirement 132 7.3.1.7 Tillering 134 7.3.1.8 Lodging resistance 135 7.3.1.9 Grain maturation 136 7.3.1.10 Pre-harvest sprouting resistance 137 7.3.2 Grain characters 138 7.3.2.1 Ear characteristics 138 7.3.2.2 Grain weight and size 139 7.3.2.3 Grain and endosperm hardness 140 7.3.2.4 Dough strength, bread and baked products 141 7.3.2.5 Grain and endosperm colour 143 7.3.2.6 Nutritional quality 144 7.3.2.5 Feed quality 145 7.3.3 Biomass characteristics 146 7.3.3.1 Forage Quality 146 7.3.4.2 Straw 147 7.3.4.3 Thatch quality 149 7.3.4.4 Threshing waste 149 7.4 Implications for cereal frequencies 150 7.4.1 The role of management 150 7.4.2 Relevant characteristics 151 7.4.3 Degrees of difference between th~ taxa 151 Chapter 8 Integrating ancient textual evidence 8.1 Introduction 153 8.2 The meaning of the epithets 153 8.2.1 Concepts and criteria for classification 153 8.2.2 The range of variation disclosed by wheat ~ithets 154 8.2.3 Applicable wheat ~ithets 156 8.2.3.1 Place-based epithets (eponyms) 156 8.2.3.2 Homographs 157 8.2.3.3 Epithets linked to morphologically visible traits 158 8.2.3.3.1 Number of grains per-spikelet 158 8.2.3.3.2 Epithets associated with glumes 158 8.2.3.3.3 Epithets associated with the free threshing character 158 8.2.3.3.4 Category nouns 158 8.2.3.3.4.1 Category nouns in Latin 158 8.2.3.3.4.2 An identical schema in Greek? 161 8.2.4 Free threshing and glume wheat Wes 162 8.2.4.1 Fars: Latin glume wheats 162 8.2.4.2 Greek glume wheats 164 8.2.4.3 Triticums: Latin free threshing wheats 165 8.2.4.4 Greek free threshing wheats 167 8.2.5 Chronology 168 8.2.6 Summary 168 8.3 Variables affecting production and use 169 8.3.1 Characteristics relating to cultivation 169 8.3.1.1 Ease of threshing, glume tightness and kernel investment 169 8.3.1.2 Relative performance 171 8.3.1.2.1 Barley 171 8.3.1.2.2 Wheat: Jar 'and 'triticum' 173 8.3.1.2.3 Oat 175 8.3.1.2.4 Rye 176 8.3.1.3 Sowing date and days-to-maturity 176 8.3.2 Characteristics relating to gmin and flour use 179 8.3.2.1 Grain 179 8.3.2.1.1 Weight 179 8.3.2.1.2 Weight vs.