dataset = Diversity begin description These data give the number of known crustacean zooplankton species for 69 world lakes. Also included are a number of characteristics of each lake. There are missing values. end description missing = ? begin variables Col 0 = Species = Number of zooplankton species Col 1 = MaxDepth = Maximum lake depth, m Col 2 = MeanDepth = Mean lake depth, m Col 3 = Cond = Specific conductance, micro Siemans Col 4 = Elev = Elevation, m Col 5 = Lat = N latitude, degrees Col 6 = Long = W latitude, degrees Col 7 = Dist = distance to nearest lake, km Col 8 = NLakes = number of lakes within 20 km Col 9 = Photo = Rate of photosynthesis, mostly by the 14C method Col 10 = Area = Lake area, in hectares Col 11 = Lake = Name of Lake end variables begin data ( 30 406 148 79 185 47.5 88 0.12 2183 200 8.24e+06 "Superior" 32 281 84 226 180 44 87 0.12 633 550 5.8e+06 "Michigan" 19 613 73 215 159 62 113 0.12 8805 11 2.86e+06 "Great Slave" 31 64 17 242 178 42 81 0.12 105 696 2.58e+06 "Erie" 25 38 12 205 219 52 97 0.12 301 66 2.37e+06 "Winnipeg" 12 404 313 92 1914 39.1 120.1 0.25 87 219 48800 "Tahoe" 14 30 9.7 1600 187 33.8 96.7 0.5 113 700 38000 "Texoma" 17 16.8 6.8 298 112 43.2 75.9 2.25 37 822 20700 "Oneida" 12 9 6.5 256 404 39 122.8 0.25 20 440 16200 "Clear" 15 117 17.2 130 208 45.1 72.3 0.25 57 197 9000 "Memphremagog" 17 65.2 32.9 90 6.3 47.6 122.4 1.75 46 263 8760 "Washington" 3 589 325 113 1882 42.9 122.1 14 4 142 4800 "Crater" 17 25.3 12.4 320 259 43.1 88.4 1.25 32 938 3940 "Mendota" 17 35.7 14.6 85 496 46 89.7 0.5 441 419 1610 "Trout" 17 33.5 12.4 335 270 42.4 85.4 0.25 128 280 827 "Gull" 9 4.9 3.5 ? 11 28 82.1 2.25 184 1250 345 "Thonotosassa" 8 25 7 63 725 68.6 149.6 0.125 285 38 149 "Toolik" 15 6.4 2.7 574 263 43.1 89.4 0.75 20 945 140 "Wingra" 16 20 10.9 72 499 46 89.7 0.25 195 367 81.5 "Sparkling" 7 2.8 2.1 ? 0.5 71.3 156.7 0.375 660 23 61 "Imikpuk" 3 27.5 10.2 222 34 74.7 94.8 0.875 70 11.2 52.6 "Char" 14 20.4 10.4 14 506 46 89.6 0.25 208 408 36.7 "Crystal" 10 8.5 2.5 60 190 33.8 83.2 0.5 44 370 30 "Oglethorp" 16 14.4 7.2 ? 405 49.7 93.7 0.12 199 124 27.3 "Lake 223" 10 12.5 5.1 23 438 41.4 75.3 0.75 100 ? 20.2 "Lacawac" 9 42 15.8 21 480 49.3 122.6 0.62 37 1 18.2 "Eunice" 16 10.3 3.5 12.6 500 46 89.7 0.25 208 343 18.2 "Little Rock" 4 7.5 1.89 ? 3209 40.1 105.6 1.75 61 4.24 15.8 "Long lake" 10 10.9 5.6 31 214 43.9 71.7 3 24 129 15 "Mirror" 10 7 2.4 26 305 49.3 122.6 1.62 33 22 13.3 "Marion" 10 27 13.4 13.2 522 49.3 122.6 0.37 38 157 13 "Gwendoline" 15 16.2 6.04 350 295 44 79.4 0.5 22 1500 10.3 "St. George" 8 14.8 6.7 ? 8.9 41.3 72.7 0.25 36 685 9.4 "Linsley" 12 9.5 3.4 ? 253 42.3 83.6 0.25 26 ? 8.3 "Frain's" 14 12.5 5.9 450 276 42.4 85.4 2 127 99 4.96 "Lawrence" 10 3.7 1.91 ? 21.5 41.4 71.6 0.75 58 ? 3.44 "Bullhead" 11 19.3 8.3 30 522 46.2 89.2 0.75 169 284 2.4 "Peter" 13 2.9 1.7 1360 580 50.3 100.4 0.5 806 1190 2.4 "Manitoba 885" 10 1.5 0.7 400 301 43 89.5 2.75 19 ? 1.6 "Bavarian Saus." 11 6.3 3.5 ? 274 42.4 85.4 0.37 116 1011 1.5 "Wintergreen" 7 1.7 0.97 30 3097 38.8 107.1 2.62 31 20 1.4 "Leechmere" 8 10 8 ? 97 40.6 75.3 2 9 ? 1 "Hellertown" 9 18.5 10 18.5 522 46.2 89.2 0.75 169 368 0.79 "Tuesday Bog" 9 2.5 2 ? 209 40 87.9 0.75 5 ? 0.6 "Dynamite" 7 4.5 2.1 33 3433 39 107.1 0.75 35 3.5 0.498 "M.C. L1" 8 2 1 248 261 43.6 89.3 1.5 48 ? 0.429 "Dead Dog Pond" 14 2 1.31 ? 21.5 41.4 71.6 0.75 58 ? 0.372 "Little Bullhead" 9 2 0.21 339 187 41.6 87.1 0.75 7 ? 0.265 "Miller Wds. 22" 7 3.4 1.4 15 3432 39 107.1 0.75 35 1 0.17 "M.C. L12" 7 0.6 0.2 ? 257 42.2 83.6 3.75 16 ? 0.159 "Pond II" 6 2.19 1.52 205 338 42.5 76.5 1.12 10 334 0.121 "Cornell 209" 6 2.22 1.53 215 338 42.5 76.5 1.12 10 958 0.121 "Cornell 246" 8 0.4 0.3 ? 5 71.3 156.7 0.25 793 1.6 0.0714 "NARL IBP A+B" 3 0.6 0.3 ? 307 44.1 78.5 1.5 10 ? 0.0707 "Kendal II" 3 0.1 0.04 245 307 32.8 117.2 6.75 5 ? 0.0617 "Tu-Vu 11" 6 1.2 0.6 320 1720 38.7 109.9 1.75 5 ? 0.052 "Dubinkey" 8 0.4 0.3 ? 5 71.3 156.7 0.25 793 1.9 0.05 "NARL IBP D" 8 0.4 0.3 ? 5 71.3 156.7 0.25 793 1.4 0.0332 "NARL IBP C" 6 0.8 0.4 72 1425 38.6 109.6 2.25 2 ? 0.0271 "Utah Stock C9" 6 1.5 1.07 8 3400 39 107.1 0.75 35 ? 0.0162 "M.C. L8" 3 0.3 0.2 1200 264 43 89.3 0.5 19 ? 0.008 "Tower" 3 0.4 0.25 80 415 45.3 91.2 2.12 81 ? 0.008 "Plagge" 4 0.9 0.4 ? 307 37.2 122 0.5 11 ? 0.0035 "Reissen" 3 0.15 0.06 88 307 32.8 117.2 6.25 11 ? 0.002 "Miramar 1" 1 0.7 0.5 ? 1428 38.6 109.6 2.25 9 ? 0.0016 "Utah G5A" 2 1.5 1 230 1432 38.6 109.6 2.25 9 ? 0.0012 "Utah AA1" 1 0.23 0.18 850 264 43 89.4 0.75 20 ? 0.0004 "Martin" 13 1.5 1 700 -1 52.8 -5.7 2.75 63 822 2100 "Tjeukemeer" 4 12 4.7 ? 3040 37.1 3.3 1 14 9.4 2.3 "La Caldera" )