Results 211 to 220 of about 21,393 (266)
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The development of the sturgeon heart
Anatomy and Embryology, 2004This paper presents a sequential analysis of the development of the sturgeon (Acipenser naccarii) heart from the end of gastrulation to the early juvenile stages. At late neurulation, the heart appears as a straight, short tube located over the endoderm that forms the wall of the yolk sac, in front of the developing head. The heart axis is aligned with
José M, Icardo +5 more
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The chromosomes of Italian sturgeons
Experientia, 1974On presente l'etude caryologique des trois especes d'Esturgeons des eaux italiennes. L'especeHuso huso a un nombre diploide d'environ 116, dont 34 couples de chromosomes metacentriques et submetacentriques, 3 couples de chromosomes acrocentriques, et environ 38 microchromosomes.
F, Fontana, G, Colombo
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Fisheries, 2018 HD B-Roll Stock Footage. Produced by the National Conservation Training Center (NCTC) videographers. *See the transcript file for additional informationDate shot: August 2018 Date produced: 8/10/2018 Location: USFWS Panama City Field office ...
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Importance of habitat and migration to sturgeons with emphasis on lake sturgeon
Canadian Journal of Fisheries and Aquatic Sciences, 1996Sturgeons utilize a variety of habitat types throughout their life: rivers for spawning; rivers, lakes, estuaries, or the sea for feeding and wintering adults; and estuarine areas for feeding young. Distances covered by some sturgeons during spawning migrations show a positive relationship to average adult size. The lake sturgeon, Acipenser fulvescens,
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Scottish Affairs
Nicola Sturgeon's memoir Frankly is a less than frank account of her political career though combining it with research on the SNP dating back to her early days as an SNP activist provides insights into her style of leadership and the internal politics of the SNP.
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Nicola Sturgeon's memoir Frankly is a less than frank account of her political career though combining it with research on the SNP dating back to her early days as an SNP activist provides insights into her style of leadership and the internal politics of the SNP.
openaire +1 more source