51813_Sturgeon biodioversity an.PDF

variation 386,390-391 status of Acipenseridae in 248

muscle atrophy, in Caspian Sea sturgeon pectoral fin spines 55, 78, 87, 121

pectoral girdle 58

myodomes 49 pectoral scales 93

nDNA Pee Dee River

2 15-2 16

evolution 132

genetic differentiation in 388-389

in taxonomic study 396

neopterygians, supraneural bones 86

neurendocrine control of reproduction,

Acipenser transmontanus273-275

neurocranium, of Acipenseridae 81

Nitzschia sturionis (gill trematode), in the

nomenclature 13, 64, 77,118,225 basitrabecular process 49

Acipenser157-160 biogeography 174

see alsotaxonomy

North America, biogeography 62

North American paddlefish seePolyodon

Acipenser brevirostrum in 323, 330

dams 328, 340

biogeography 169, 174

morphological characters 50-51

systematics 35-36, 51, 74

antorbital bone 55

basipterygial process 58

†Peipiaosteidae

†Peipiaosteus28,34

Aral Sea 379

branchiostegal reduction 52

feeding adaptations 1 19

morphological characters 46-52,

spathula 54-55, 58, 78, 83, 86-87, 89-93,

North Atlantic, regional faunas 28 101-104, 107, 115-116

nuclear DNAseenDNA

Ob River

systematics 35-36, 51

pelvic fin origination 50

pesticides, in the Caspian Basin 216

†Pholidurusdisjectus,systematics 39

photoperiod, and reproduction in Acipenser

dams 223 peramorphy 118, 122- 123

spawning of Acipenser baerii 223

occipital canal, commissure 93

Olenek River, Acipenser baerii in 224

olfactory system location 54

ontogenetic studies, in Acipenser 124

opercular bones 46, 52-53, 55, 58

osteology 32, 46-58, 74-116 137-139, 149

outgroup taxa 32-34

overfishing

transmontanus 276

76, 127-149

Ontario,Acipenser fulvescens in 305, 307 phylogeny 16-17, 26, 28-29, 33-34, 45-48,

ofAcipenser64-65, 74, 116-123,

ofAcipenser brevirostrum 45

of Acipenseridae 64-65,74, 116-124,

of Acipenseriformes 26, 29, 33-34,

and biogeography 149

and hybridization 29

and molecular analysis 139-144,

of†Protoscaphirynchus 45

ofScaphirhynchini 118

ofin the Caspian Sea basin 216-217 Acipenser oxyrinchus (^340) 128, 137-139, 149, 171
in the Danube River 185,206
ofHuso huso 189
ofPsephurus 37
in the Volga River 217
45-48, 122-123, 127-133, 144, 171
see alsoPacific rim, biogeographic regions 180 anthropogenic impacts 146-147
paddlefishesseePolyodontidae;Polyodon
paedomorphosis ofScaphirhynchus platorynchus 45
in Acipenseridae 75,118, 122-123
and feeding system 59
and phylogeny 62 poaching
and skeletal development 49, 61-62
pineal bones 101-102
plesiomorphy 52, 59, 86, 92, 102, 107, 118
inAcipenser brevirostrum 332
inAcipenser transmontanus423-426
in the Caspian Sea Basin 216
and caviar 423-426
and molecular analysis 396
pollution 205, 262-263, 409, 427
andAcipenserspp 227, 322, 340-341,
in the Amu-Darya River 374-375, 377
in the Black Sea 205
in the Caspian Sea 215-216
in the Danube River 204
and molecular analysis 396
in the Volga River 215-216
palatal complex 58, 90-91
palatopterygoid shape 51
palatoquadrate bone 47, 95-96
phylogenetic significance of protrusion
26
paleonisciforms 33
†Paleopsephurus wilsoni36-37,39, 174 364, 366
morphological characters 55, 85, 89,
91-3, 101, 104, 116
pallid sturgeon seeScaphirhynchus albus
parabasal canal 49
parasphenoid process 46, 50
PCR (polymerase chain reaction) 388-89
Pearl River Polyodon spathula(North American
Acipenser sinensisin 158 paddlefish)
dams 340 allometry 29
anthropogenic impacts 279, 282-287
biogeography 38-39
fishery 282-288, 411
genetic differentiation 389
morphological characters 52, 78, 86,
population status by state 281-287
range 280-281
stock identification 389
systematics 26, 36, 39
92-93, 99, 102-103, 105, 116
status 279-280
†Polyodon tuberculata 39
Polyodontidae
biogeography 36, 39, 169
fossil history 28
morphological characters 47-48,
50-55, 58, 78, 83, 85-87, 89, 93,
95-96, 99, 101, 105-106
phylogeny 65, 171
potamodromy 177
synapomorphy 46
systematics 36-39, 54, 74
polyploidy 136-139, 148-149,386
Polypteridae, systematics 32
Polypterus
morphological characters 52, 54, 58,
as outgroup 142
Ponto-Caspian region
biogeography 180
geological change 180
spawning 179
speciation of Acipenser 128
Acipenser brevirostrum 321-323, 330
Acipenser fulvescens 305-308,
Acipenser oxyrinchus 337
Acipenser sturio in the Gironde River
in the Amur River, Acipenser
in the Aral Sea,Acipenser nudiventris
in the Caspian Sea 210, 216-217
dynamics 400-404, 414
Huso dauricus 234-236, 244-245
Polyodon spathula 281-287
Pseudoscaphirhynchus kaufmanni 377
Scaphirhynchus platorynchus 296
in the Yangtze River,Acipenser
86-87, 90, 93
population
313-316
363-364
schrenckii236, 244-245, 248-250
318
sinensis248-250
posttemporal bone 52,54
potamodromy 61, 177-178, 180
Potomac River,Acipenser brevirostrumin
prearticular bones 103-104
predation, on Acipenser brevirostrum 331
premaxillary and maxillary bones 48-49
preopercular canal 48
proline gene, in Acipenser 141
propterygial bone 87, 89
protein evolution 133
protein variation 388-389
322