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1 | (13) |
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1 | (1) |
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1.2 What creates a desert? |
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2 | (1) |
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1.3 Deserts have low precipitation and high variability in precipitation |
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2 | (2) |
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4 | (2) |
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1.5 Deserts are created by a lack of precipitation and not high temperatures |
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6 | (1) |
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7 | (2) |
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1.7 What denies rainfall to deserts? |
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9 | (3) |
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1.8 Global change and deserts |
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12 | (2) |
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14 | (22) |
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14 | (9) |
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14 | (9) |
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23 | (1) |
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23 | (1) |
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23 | (1) |
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2.3 Declines in pan evaporation |
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24 | (1) |
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25 | (8) |
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26 | (7) |
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33 | (1) |
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34 | (2) |
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3 Morphological and Physiological Adaptations of Desert Plants to the Abiotic Environment |
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36 | (39) |
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3.1 Classifications of desert plants |
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36 | (4) |
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3.2 Types of photosynthesis |
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40 | (5) |
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3.3 Biological soil crusts |
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45 | (1) |
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46 | (9) |
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3.4.1 Desert versus mesic annual species |
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47 | (1) |
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3.4.2 Seed germination and dispersal strategies |
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47 | (3) |
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3.4.3 Why is long-range dispersal rare in desert plants? |
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50 | (3) |
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3.4.4 Delayed germination |
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53 | (1) |
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3.4.5 Seed heteromorphism |
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53 | (2) |
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3.5 Grasses, forbs, and shrubs/perennials |
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55 | (7) |
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55 | (1) |
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3.5.2 Photosynthesis and stomatal opening |
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55 | (1) |
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3.5.3 Heat shock proteins |
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56 | (3) |
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59 | (1) |
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59 | (2) |
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3.5.6 Fog---an unusual water source |
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61 | (1) |
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61 | (1) |
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62 | (1) |
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3.6.1 Hysteranthy and its consequences |
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63 | (1) |
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3.7 Stem and leaf succulents |
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63 | (4) |
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63 | (3) |
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66 | (1) |
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67 | (2) |
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69 | (6) |
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70 | (5) |
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4 Morphological, Physiological, and Behavioural Adaptations of Desert Animals to the Abiotic Environment |
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75 | (34) |
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4.1 Evaders and evaporators |
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77 | (17) |
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81 | (2) |
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83 | (1) |
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84 | (3) |
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4.1.4 Spider burrows and termite mounds |
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87 | (1) |
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4.1.5 Physiological mechanisms of controlling heat gain |
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88 | (6) |
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4.2 Adaptations to handle unique situations |
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94 | (3) |
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4.2.1 Salt glands in birds and reptiles |
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94 | (1) |
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4.2.2 Mammals that consume halophytes |
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94 | (2) |
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4.2.3 Animals in temporary pools |
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96 | (1) |
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97 | (5) |
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97 | (1) |
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98 | (4) |
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4.4 Removing the effects of phylogeny |
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102 | (7) |
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4.4.1 Insects (tenebrionid beetles) |
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102 | (4) |
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106 | (1) |
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107 | (2) |
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5 The Role of Competition and Facilitation in Structuring Desert Communities |
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109 | (19) |
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109 | (13) |
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5.1.1 Annual plant communities |
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110 | (1) |
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5.1.2 Interactions among desert shrubs |
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111 | (2) |
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5.1.3 Fairy circles, heuweltjies, and mima mounds---competition, herbivory, or self-organization? |
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113 | (4) |
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5.1.4 Facilitation and nurse-plant effects |
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117 | (5) |
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5.2 Competition between animals |
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122 | (3) |
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122 | (1) |
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5.2.2 Habitat selection models |
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123 | (2) |
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5.3 Indirect interactions: keystone species and apparent competition |
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125 | (3) |
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125 | (1) |
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5.3.2 Short-term apparent competition |
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126 | (2) |
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6 The Importance of Predation and Parasitism |
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128 | (19) |
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128 | (2) |
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130 | (3) |
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6.3 Apparent predation risk |
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133 | (2) |
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135 | (1) |
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135 | (2) |
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137 | (1) |
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6.7 Visually hunting predators |
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138 | (2) |
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6.8 Snakes, scent-hunting predators |
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140 | (1) |
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141 | (2) |
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6.10 Animal parasites and parasitoids |
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143 | (4) |
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144 | (1) |
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145 | (2) |
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7 Plant-Animal Interactions in Deserts |
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147 | (33) |
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147 | (15) |
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7.1.1 Grazing effects on species composition |
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150 | (1) |
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7.1.2 Long-term studies of the effects of large mammals on arid vegetation |
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150 | (1) |
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7.1.3 Effects of herbivory on relationships among plant functional types |
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151 | (6) |
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7.1.4 Is Australia a special case?---a meta-analysis |
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157 | (2) |
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7.1.5 Effects of insect herbivory on desert plants |
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159 | (3) |
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162 | (7) |
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7.2.1 Yucca-yucca moth mutualism |
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164 | (3) |
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7.2.2 The senita cactus-senita moth obligate mutualism |
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167 | (2) |
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7.3 Seed dispersal and seed predation |
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169 | (5) |
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171 | (2) |
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7.3.2 Diplochory: using two mechanisms to disperse |
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173 | (1) |
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7.4 Are these coevolved systems? |
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174 | (6) |
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7.4.1 Senita and yucca systems |
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174 | (1) |
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7.4.2 Why Negev flowers are often red |
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175 | (1) |
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7.4.3 Dorcas gazelle--lily system |
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175 | (3) |
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7.4.4 Wood rats and their toxic diets |
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178 | (2) |
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8 Desert Food Webs and Ecosystem Ecology |
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180 | (24) |
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8.1 Do deserts have simple food webs? |
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180 | (3) |
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8.1.1 Can we scale up from two-species interactions to desert ecosystems? |
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182 | (1) |
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183 | (3) |
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8.2.1 Polis and Ayal's problems with food-web models |
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185 | (1) |
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8.3 Interactions among habitats---spatial subsidies |
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186 | (2) |
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8.4 Effects of precipitation, nutrients, disturbances, and decomposition |
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188 | (16) |
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8.4.1 Effects of precipitation |
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188 | (6) |
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8.4.2 Effects of nutrients |
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194 | (4) |
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198 | (1) |
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199 | (5) |
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9 Biodiversity and Biogeography of Deserts |
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204 | (31) |
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9.1 Are deserts species-poor? α, β, and γ diversity patterns |
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204 | (8) |
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204 | (2) |
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206 | (6) |
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9.2 Productivity--diversity relationships in deserts |
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212 | (1) |
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9.3 Convergence and divergence of desert communities |
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213 | (9) |
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9.3.1 Community-wide character displacement |
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218 | (4) |
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9.4 Large-scale patterns in desert biogeography |
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222 | (13) |
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223 | (8) |
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231 | (4) |
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10 Human Impacts and Desertification |
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235 | (26) |
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10.1 The sensitive desert ecosystem: myth or reality? |
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235 | (7) |
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10.2 Pastoralism is the most important use of desert lands |
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242 | (14) |
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10.2.1 Oscillations of vegetation and herbivore populations |
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248 | (1) |
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10.2.2 Woody plant encroachment |
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249 | (1) |
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250 | (1) |
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10.2.4 Global climate changes |
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251 | (5) |
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10.3 Pumping aquifers: a problem of less water and more salinity |
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256 | (3) |
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10.4 When is it desertification? The importance of reversibility |
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259 | (2) |
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11 Conservation of Deserts |
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261 | (22) |
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11.1 Are deserts worth conserving? |
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261 | (1) |
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11.2 Conservation of desert species or habitats |
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261 | (10) |
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262 | (2) |
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264 | (1) |
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264 | (1) |
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11.2.4 Single populations |
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265 | (3) |
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11.2.5 SLOSS or metapopulations |
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268 | (2) |
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11.2.6 Conserving the entire habitat |
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270 | (1) |
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11.3 The 3 Rs: reintroduction, recolonization, and revegetation |
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271 | (6) |
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272 | (2) |
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274 | (2) |
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11.3.3 Recolonization by the American black bear |
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276 | (1) |
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276 | (1) |
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11.4 Genotype by environment interactions and intraspeciric variability |
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277 | (3) |
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11.5 Who gets to pay for this conservation and how is it controlled? |
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280 | (1) |
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11.6 People are also part of the desert environment |
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280 | (2) |
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282 | (1) |
References |
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283 | (62) |
Index |
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345 | |