51813_Sturgeon biodioversity an.PDF

in the Androscoggin River 340

in the Apalachicola River 340

in the Columbia River 413-414

in the Congaree River 340

in the Connecticut River 329, 340

in the Danube River 185, 191-192,

in the Delaware River 329

in the Dordogne River 364

in the Garonne River 364

in the Hudson River 318, 328, 348

impact on Acipenser brevirostrum 3 18,

impact on Acipenser fulvescens 303

impact on Acipenser nudiventris 374

impact on Acipenser oxyrinchus 340

impact on Acipenser oxyrinchus

in Irtysh River 223

in the Kennebec River 329, 340

in the Menominee River 3 12

in the Merrimack River 329, 340

in the Ob River 223

in the Pearl River 340

in the Pee Dee River 328, 340

in the Santee-Cooper River system

in the Savannah River 340

in the Volga River 215-216

in the Wateree River 340

in the Yangtze River 247-248,

in the Yenisey River 224

Acipenser ruthenus in 177

conservation recommendations 206 taxa

dams 185, 191-192, 195-197, 203-204 feeding

and deforestation 203

Delta and the Black Sea 204

Delta as a biofilter 204

fishery 202-203 individual taxa

geography 185-186, 201 systems 59-61

overfishing 9-11, 185, 206

spawning in 61, 179

status of sturgeons 185-197,201-206

Acipenserbrevirostrum in 322,325,

330 Acipenser brevirostrum 332

Acipenser oxyrinchus in 343

dams 329 Acipenser fulvescens302-303,

sequencing 141

see also mtDNA; nDNA

Dordogne River, dams 364

dorsal rostral shield 99

dredging, impact on Acipenser brevirostrum

East China Sea, Psephurus in 177

Eastern Atlantic, regional faunas 28

eastern North America, speciation of

eggs-per-recruit (EPR) 400-403

electroreceptors 63-64

endocrinesseehormones

environmental threats seeanthropogenic

impacts

epizootics 379

322, 331

195-197,203-204

Acipenser 128

323-324, 328-329 endangered statusseestatus

desotoi 340 EPR (eggs-per-recruit)and reproductive

potential 400-403

ethmoid expansion, in Acipenseridae 81

ethmoid ridges 99, 106

ethmoid shelf 105-107

European Atlantic sturgeon see Acipenser

European freshwaters, regional faunas 28

eutrophication, in the Black Sea 205

evolutionary relationships seephylogeny;

systematics;

exploitation see fishery

extinction see status; also under

individual taxa

faunas, regional 28

fecunditysee under reproduction: also

sturio

323-324, 329

250-251, 253, 261, 263, 433 extrascapular bone 55

Danube River 9-11, 72, 208
under natural history in individual

benthic adaptation 119

migration 175

see also under natural history in

fenestra longitudinalis 54
filter feeding, evolution of 59-61
fin spine see pectoral fin spine
Delaware River fishery 202-203
Acipenser baerii 226-227
Acipenser dabryanus 262

demersal spawning, evolution of 61 307-308, 313-316, 412
dermal bone, in fin rays 78 Acipenser gueldenstaedtii193, 210,
dermopalatine shelf 102- 103 214
dermopalatine-ectopterygoid fusion 116 Acipenser medirostris 412
development,Acipenser dabryanus261-262 Acipenser oxyrinchus338-343, 411
Acipenser ruthenus 195
diadromy 177 Acipenser schrenckii231-232, 237
distribution 159-160, 168-169 Acipenser stellatus196, 210, 213-214
Acipenser sturio 364
Acipenser transmontanus411, 414
in the Amur River 41, 232-232, 245
in the Aral Sea 379
in the Caspian Sea 210
economics 341-342

see alsogrowth

see also under biogeography; natural

history; range in individual taxa

diversity 179 see also variation

DNA

content 133,136-137,139

and phylogenetic analysis 142

in the Great Lakes 302

methods 339

in Ontario 307

Polyodon spathula282-288, 411

population impact 399-404

in Quebec 308

regulation in A cipenser oxyrinchus

342-343

regulation in the Columbia River 414

restrictions 400, 403-404

Scaphirhynchus platorynchus

in the Volga River 210-211

in the Yangtze River 252-253

FMP (Fishery Management Plan)A cipenser

Huso huso 191,202-203, 210-212

294-296, 412

oxyrinchus 343

see also underASMFC

fossil history 26-39, 179-180

biogeography 171-174

Fraser River, Acipenser transmontanus in 12,

gametogenesis, inAcipenser transmontanus

Garonne River, dams 364

garssee Lepisosteidae

gene flow 395

genetics

390

269-27 1

Acipenser oxyrinchus desotoi 393-394

analysis 336

differentiation and variation 386-395

and inbreeding 395

see also mtDNA; nDNA; karyotype;

haplotypes;also underspecific

genes

genotype see haplotypes

geographic ranges see range; distribution

also under individual taxa

geological history, Black Sea 204

gill rakers 113-115

gill trematode see Nitzschia sturionis

gill-arch dentition 47

Gironde River, Acipenser sturio in 359

glaciation, and biogeography 181

gonadal cycles see under reproduction

gonadal development,Acipenser

gonadotropins 273-274

gravel excavation, in the Danube River 204

Great Lakes, fishery 302

Green River paddlefish see†Crossopholis

green sturgeon see Acipenser medirostris

transmontanus269-270

magnicaudatus

growth

Acipenser brevirostrum324, 350,

Acipenser dabryanus 260

Acipenser oxyrinchus 353-355

Acipenser sturio 364365

Acipenser transmontanus 272-273

in Acipenseridae 408

Pseudoscaphirhynchus kaufmanni 377

Scaphirhynchus platorynchus 293

352-353