Atresia and Year-Class Abundance of Northern Pike, Esox lucius, in Two Missouri River Impoundments

1970 ◽  
Vol 27 (3) ◽  
pp. 587-591 ◽  
Author(s):  
Fred C. June
Keyword(s):  
South Dakota ◽  
Water Temperature ◽  
Missouri River ◽  
Northern Pike ◽  
Esox Lucius ◽  
Pike Esox Lucius

Widespread atresia in northern pike ovaries was associated with low year-class abundance in three successive years, 1966–68, in Lake Oahe and Lake Sharpe, South Dakota, two large Missouri River impoundments. Atresia was associated with fluctuations in water temperature and level that apparently interrupted spawning.

Effects of lure type, fish size and water temperature on hooking location and bleeding in northern pike (Esox lucius) angled in the Baltic Sea

2014 ◽  
Vol 157 ◽  
pp. 164-169 ◽  
Author(s):  
M. Stålhammar ◽  
T. Fränstam ◽  
J. Lindström ◽  
J. Höjesjö ◽  
R. Arlinghaus ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Water Temperature ◽  
Northern Pike ◽  
Esox Lucius ◽  
The Baltic Sea ◽  
Fish Size ◽  
Pike Esox Lucius ◽  
The Baltic

Genetic Variation and Postglacial Dispersal of Populations of Northern Pike (Esox lucius) in North America

1987 ◽  
Vol 44 (3) ◽  
pp. 556-561 ◽  
Author(s):  
James E. Seeb ◽  
Lisa W. Seeb ◽  
David W. Oates ◽  
Fred M. Utter
Keyword(s):  
North America ◽  
Mississippi River ◽  
Genetic Relationships ◽  
Missouri River ◽  
Northern Pike ◽  
Esox Lucius ◽  
Western Canada ◽  
River Population ◽  
River Drainage ◽  
Pike Esox Lucius

We studied the genetic relationships and postglacial dispersal of northern pike (Esox lucius) populations in North America using allozyme data. Allelic products of up to 65 protein coding loci were examined in eight populations: five from drainages in western Canada, flowing into Hudson Bay and the Beaufort Sea; two from the Missouri River drainage, flowing into the Mississippi River; and one from the upper Mississippi River drainage, flowing into the Gulf of Mexico. Only two polymorphic loci were identified, Est-1 and Ck-1, and the average observed heterozygosity was only 0.001, much lower than that observed in most teleosts. All of the populations from the drainages in western Canada and the Missouri River were genetically identical. The Mississippi River population was unique, expressing Ck-1 (140), an allele nearly absent in all other populations, at a frequency of 0.99. Our data suggest that the Missouri River drainage, during the period when it was isolated from the Mississippi River, was the southern refugium from which northern pike radiated during deglaciation.

Catchments affect growth rate of Northern Pike, Esox lucius, in subarctic lakes

2021 ◽  
Vol 83 (3) ◽  
Author(s):  
Mehdi Moslemi-Aqdam ◽  
George Low ◽  
Mike Low ◽  
Brian A. Branfireun ◽  
Heidi K. Swanson
Keyword(s):  
Growth Rate ◽  
Northern Pike ◽  
Esox Lucius ◽  
Subarctic Lakes ◽  
Pike Esox Lucius

Temporal change estimation of mercury concentrations in northern pike (Esox lucius L.) in Swedish lakes

Chemosphere ◽  
2012 ◽  
Vol 86 (5) ◽  
pp. 439-445 ◽  
Author(s):  
Staffan Åkerblom ◽  
Mats Nilsson ◽  
Jun Yu ◽  
Bo Ranneby ◽  
Kjell Johansson
Keyword(s):  
Temporal Change ◽  
Northern Pike ◽  
Esox Lucius ◽  
Pike Esox Lucius

Effects of Liming on the Distribution of Cadmium in Water, Sediment, and Organisms in a Swedish Lake

1988 ◽  
Vol 45 (7) ◽  
pp. 1154-1162 ◽  
Author(s):  
Paul Andersson ◽  
Hans Borg
Keyword(s):  
Lake Water ◽  
Cadmium Concentration ◽  
Northern Pike ◽  
Esox Lucius ◽  
Suspended Particles ◽  
Fish Liver ◽  
Free Swimming ◽  
Pike Esox Lucius ◽  
Insect Larva ◽  
Before And After

We studied the cadmium concentrations in water, sediment, suspended particles, a free-swimming insect larva (Chaoborus), a sediment-bound insect larva (Chironomus), and liver of northern pike (Esox lucius) before and after liming operations in Lake Långsjön, Sweden. In accordance with the higher pH levels obtained in the lake water after the limings, cadmium concentration decreased in the water but increased in the sediment. Cadmium concentration in fish liver and Chironomus decreased after the limings whereas the concentration in Chaoborus larvae increased after the first liming. Possible mechanisms are discussed.

Short-term salinity tolerance of northern pike, Esox lucius, fry, related to temperature and size

2007 ◽  
Vol 14 (5) ◽  
pp. 303-308 ◽  
Author(s):  
L. JACOBSEN ◽  
C. SKOV ◽  
A. KOED ◽  
S. BERG
Keyword(s):  
Salinity Tolerance ◽  
Northern Pike ◽  
Esox Lucius ◽  
Short Term ◽  
Pike Esox Lucius
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