- Page 4 and 5: Sturgeon biodiversity and conservat
- Page 6 and 7: Contents Prelude to sturgeon biodiv
- Page 9 and 10: Portraits of three juvenile sturgeo
- Page 11 and 12: 10 I like this volume for other rea
- Page 13 and 14: 12 Figure 4. Paul Vecsei on the Fra
- Page 15 and 16: 14 In addition to our primary affil
- Page 17 and 18: 16 Figure 1. Leo Semenovich Berg, i
- Page 19 and 20: 18 fish fauna, Berg changed the nam
- Page 21 and 22: 20 history and evolution of sturgeo
- Page 23 and 24: 22 der Gattung Acipenser. Ann. Wien
- Page 25 and 26: The three major commercial species
- Page 27 and 28: 26 the sense of Gans 1986) which we
- Page 29 and 30: 28 Few workers ever accepted the Al
- Page 31 and 32: 30 Figure3. Tree of ing craniates s
- Page 33 and 34: 32 Family †Chondrosteidae †Chon
- Page 35 and 36: 34 Figure 7. Aspects of the feeding
- Page 37 and 38: 36 Figure 9. The living North Ameri
- Page 39 and 40: 38 Figure 11. A large specimen of k
- Page 41 and 42: 40 Figure 13. Map of eastern Europe
- Page 43 and 44: 42 Figure17. Preliminary cladogram
- Page 45 and 46: 44 certainly warrants much addition
- Page 47 and 48: 46 could be reliably scored in at l
- Page 49 and 50: 48 Figure 20. Scanning electron mic
- Page 51 and 52: 50 atic because acipenseriform larv
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52 defining Acipenseroidei, which w
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54 other Acipenseriformes, is prese
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56 Figure 22. Functional morphology
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58 acter 15). One to three branchio
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60 Figure 24. Direct evidence for p
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62 ton (Traquair 1887, Woodward 189
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64 Northcutt 1978, New &Bodznick 19
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66 attempt to predict further chang
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68 manni Bogdanov under artifical e
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70 Patterson, C. 1975. The braincas
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a b Sturgeons of the Danube River a
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74 ground swell of interest in stur
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76 Materialsand methods Phylogeneti
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78 Acipenseridae. Some species of A
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80 Figure 3. Jugal of representativ
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82 Figure 5. Extrascapular bones of
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84 Figure 7. The opercular series o
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86 indications from Gardiner & Scha
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88 Figure 9. Left scapulocoracoid o
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90 Character 17. Basipterygial proc
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92 quair 1887), † Gyrosteus (Wood
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94 Figure 13. Ventral hyobranchial
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96 Figure 15. Basitrabecular proces
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98 Figure 17. Ventral rostrum of Ps
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100 Figure 18. Dorsal bones of the
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102 Figure 19. Ventral rostral bone
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104 sess thin jaws. † Paleopsephu
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106 ing the rostral nerves (grn). T
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108 ever, in Acipenser they are not
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110 Figure 24. Ventral axial skelet
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112 Figure25. Gill rakers of repres
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114 more elongate than a small, inn
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116 Chavacter 66. Cleithral wall pr
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118 tentially untenable. Characters
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120 ideal for retaining small prey
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122 benthic prey fauna continued wi
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124 Future research on Acipenserida
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126 dem Yangtsekiang und über die
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128 Within Acipenseriformes, all wo
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130 Table 1 (Continued). Species Ch
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132 rent views on paleogeography wi
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134 nucleus in species investigated
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136 cated loci is much lower, only
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138 Figure 1. A schematic represent
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140 sue). Our data were polarized u
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142 DNA sequence alignment and phyl
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144 tions of codons. For comparable
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146 Figure 5. The single parsimony
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148 A. brevirostrum; and (4) both c
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› 150 References cited Asahida, T
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152 Golubtsov, A.S. &E. Yu. Krysano
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154 shovelnose sturgeon (Scaphirhyn
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Portraits of a juvenile Huso huso 2
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158 which have quickly eliminated s
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160 ing the length of the spleen (i
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162 Hochleithner, M, 1995. Gesellsc
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Part 2: Biology and status reports
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Environmental Biology of Fishes 48:
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› › bly related to themal requi
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strong homing capabilities, althoug
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← Figure 2. Paleocoastline maps a
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175 sible to make meaningful compar
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efers to an individual that leaves
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Some have asserted (e.g., Yakovlev
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› › › › › › cens in Nor
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183 ces: Acipenseridae); threats an
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Environmental Biology of Fishes 48:
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Figure 2. Distribution of the belug
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› › 189 rescu 1964, Manea 1966,
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191 Figure 5. Unusually large speci
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› › Acipenser gueldenstaedtii -
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› › ∨ ∨ cíkovo Holcík et
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the first draft of this paper and t
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Malesevics, E. 1892. Loszoncz faun
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Environment Biology of Fishes 48: 2
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203 caught here. You would not beli
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205 from the Vienna basin to the Ur
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and improved by Vadim Birstein and
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Environmental Biology of Fishes 48:
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211 Population changes and status B
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However, since 1979, the number of
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215 Influence of dams on natural re
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217 (5) Since 1990, declines in stu
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genesis in Caspian sturgeons. Vopro
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Environmental Biology of Fishes 48:
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223 Figure 1. The range of the Sibe
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225 the Siberian sturgeon range in
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227 basins: 1401 and 504 metric ton
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229 Kirillov, F. N. 1972. Fishes of
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Environmental Biology of Fishes 48:
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233 Figure 2. Acipenserid fishes of
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235 same generation mature and spaw
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cytes degenerate, then the age of t
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239 Krykhtin, M.L. 1986. The rate o
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Environmental Biology of Fishes 48:
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243 Province. Also starting in the
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245 counted for 87.4% near Zhaoxing
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ymous 1988, Lin & Zeng 1987, also s
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249 Figure 4. Size frequency distri
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251 mous 1988). A sample of 54 fema
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including 161 from the reaches abov
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255 a stimulus to biological modifi
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Environmental Biology of Fishes 48:
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259 of pertinent information that c
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261 weight (BW) and length (L) befo
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263 Bemis, W.E. & L. Grande 1992. E
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Environmental Biology of Fishes 48:
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267 Figure 1. Different states of g
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269 10.2 and 7.3% for stGTH I. and
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271 Figure 4. Approximate length an
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273 cultured Siberian sturgeon, A.
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plasma androgens (Moberg et al. 199
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277 River in 1973, as determined by
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Environmental Biology of Fishes 48:
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281 Figure 2. Status of North Ameri
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283 wa, Louisiana, Oklahoma, and Vi
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285 presumably as a result of high
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287 state are closed to commercial
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289 and federal resource agencies w
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Environmental Biology of Fishes 48:
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were considered a nuisance to comme
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295 Sport and commercial harvests o
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297 Acknowledgements I thank S. Whi
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Environmental Biology of Fishes 48:
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301 Figure 1. Mitochondrial DNA hap
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303 sive closures and openings char
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305 Figure 4. Status of lake sturge
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as ‘absent’. Very few lake stur
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309 correspond to local populations
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Environmental Biology of Fishes 48:
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Table1. Estimates ofthesize ofthe l
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Lower section of river the harvest
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tem, Wisconsin. pp. 135-146. In:F.P
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Environmental Biology of Fishes 48:
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321 hierarchy that determines use o
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323 97 000 cultured 5 shortnose stu
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325 11568 eggs per kg body weight;
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327 data). This is sufficient time
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329 low Mactaquac Darn (river km 13
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331 would not change the basic rela
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tured Fish into existing population
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Environmental Biology of Fishes 48:
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some areas, a small fall spawning m
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339 tic sturgeon occurred during th
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341 ly to severely degraded. Dredgi
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Commission (ASMFC) completed develo
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een prepared by the Atlantic Sturge
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Environmental Biology of Fishes 48:
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349 Figure 1. Life intervals and se
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351 Figure 3. Life intervals and se
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353 (Buckley & Kynard 1981, Taubert
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355 from larva to juveniles appears
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357 The protracted period of Atlant
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Environmental Biology of fishes 48:
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361 By the early 1970s, A. sturio w
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363 Figure 3. Accidental captures o
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365 Table 1. Results of attempts to
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367 weight, this individual regaine
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Cryopresarvation of the sperm of Sa
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Part 3: Controversies, conservation
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Environmental Biology of Fishes 48:
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375 ers and lakes was extremely con
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377 not found in the lower reaches
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379 cies (including stellate sturge
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Environmental Biology of Fishes 48:
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Kessler, K. E 1872. On a remarkable
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Environment Biology of fishes 48: 3
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387 Figure I. Comparison of mtDNA c
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nate between S. albus and S. plator
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391 Figure 2. Gulf of Mexico rivers
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393 stock analysis, frequencies of
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necks on their populations. However
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Birstein, V.J. 1993. Sturgeons and
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Environmental Biology of Fishes 48:
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Restricting fishing mortality to of
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and increasing total mortality to Z
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405 geon in the Suwanee River, Flor
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Environmental Biology of Fishes 48:
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409 has been widely correlated with
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name the sturgeon or paddlefish spe
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413 Figure 2. Abundance and product
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415 managers and biologists have be
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geon (Acipener fulvescens) from the
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macroinvertebrate faunas, and obstr
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microhabitat diversity, and turbid
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Environmental Biology ofFishes 48:
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425 denied any contact with the poa
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Environmental Biology of Fishes 48:
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429 and paddlefishes, particularly
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431 Table 1 Continued. A. oxyrinchu
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DNA primers (DeSalle & Birstein 199
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435 Smith, T.I.J. & J.P. Clugston.
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Species and subject index* 12SrDNA(
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439 hypoxia 206 irrigation 204,374,
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441 Gulf Sturgeon Recovery/Manageme
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†Protopsephurus biogeography 174