The effect of light on Lake Herring (coregonus artedi) reactive volume

Hydrobiologia ◽  
1996 ◽  
Vol 332 (2) ◽  
pp. 131-140 ◽  
Author(s):  
Jason Link ◽  
Thomas A. Edsall
Keyword(s):  
Coregonus Artedi ◽  
Effect Of Light ◽  
Lake Herring

Lake Herring (Coregonus artedi) and Rainbow Smelt (Osmerus mordax) Diets in Western Lake Superior

2004 ◽  
Vol 30 ◽  
pp. 407-413 ◽  
Author(s):  
Timothy B. Johnson ◽  
William P. Brown ◽  
Timothy D. Corry ◽  
Michael H. Hoff ◽  
Jill V. Scharold ◽  
...  
Keyword(s):  
Lake Superior ◽  
Osmerus Mordax ◽  
Rainbow Smelt ◽  
Western Lake ◽  
Coregonus Artedi ◽  
Lake Herring

Winter Diet of Lake Herring (Coregonus artedi) in Western Lake Superior

1995 ◽  
Vol 21 (3) ◽  
pp. 395-399 ◽  
Author(s):  
Jason Link ◽  
James H. Selgeby ◽  
Michael H. Hoff ◽  
Craig Haskell
Keyword(s):  
Lake Superior ◽  
Winter Diet ◽  
Western Lake ◽  
Coregonus Artedi ◽  
Lake Herring

The schooling and foraging ecology of lake herring (Coregonus artedi) in Lake Opeongo, Ontario, Canada

2005 ◽  
Vol 62 (6) ◽  
pp. 1210-1218 ◽  
Author(s):  
S W Milne ◽  
B J Shuter ◽  
W G Sprules
Keyword(s):  
School Size ◽  
Predator Avoidance ◽  
Linear Dimension ◽  
Lake Trout ◽  
Foraging Ecology ◽  
Salvelinus Namaycush ◽  
Coregonus Artedi ◽  
Schooling Behaviour ◽  
School Formation ◽  
Lake Herring

We used a combination of suspended gill nets and hydroacoustics to investigate the schooling behaviour of lake herring (Coregonus artedi) in Lake Opeongo, Ontario, Canada. Lake herring form schools during the day but are dispersed at night and this change occurs at a light threshold of roughly 0.04 lx. Schools range in maximum linear dimension from 100 to 2300 cm with the majority under 1000 cm. The light threshold for school formation is well below that at which their principal predator, lake trout (Salvelinus namaycush), are able to detect prey. This suggests that schooling may provide advantages in addition to predator avoidance. We observed that lake herring stomachs were fuller during the day than at night, indicating that schooling herring forage more efficiently during the day than individual herring do at night. Furthermore, herring stomach fullness increased with school size, suggesting that schooling enhances foraging opportunities for individual members. We speculate that this is due either to social facilitation of feeding when herring are in the presence of conspecifics, or to corporate vigilance, or "many eyes", which allows individual fish to spend less time being alert to predators and more time feeding.

Evaluation of Bottom Trawls as Compared to Acoustics to Assess Adult Lake Herring (Coregonus artedi) Abundance in Lake Superior

2006 ◽  
Vol 32 (2) ◽  
pp. 280-292 ◽  
Author(s):  
Jason D. Stockwell ◽  
Daniel L. Yule ◽  
Owen T. Gorman ◽  
Edmund J. Isaac ◽  
Seth A. Moore
Keyword(s):  
Lake Superior ◽  
Coregonus Artedi ◽  
Lake Herring

Competition between larval lake herring (Coregonus artedi) and lake whitefish (Coregonus clupeaformis) for zooplankton

1998 ◽  
Vol 55 (5) ◽  
pp. 1140-1148 ◽  
Author(s):  
Bruce M Davis ◽  
Thomas N Todd
Keyword(s):  
Great Lakes ◽  
Single Species ◽  
Coregonus Clupeaformis ◽  
Lake Whitefish ◽  
Mixed Species ◽  
Initial Size ◽  
Coregonus Artedi ◽  
Mesocosm Experiments ◽  
Negative Effect ◽  
Lake Herring

Diet and growth of larval lake herring (Coregonus artedi) and lake whitefish (Coregonus clupeaformis) were compared in mesocosm experiments in a small mesotrophic lake in southeastern Michigan. Fish were sampled from single-species and mixed assemblages in 2-m3 cages for 8 weeks during April and May. Both species initially ate mostly cyclopoid copepodites and small cladocerans (Bosmina spp.). Schoener's index of diet overlap showed considerable overlap (70-90%). Lake whitefish ate Daphnia spp. and adult copepods about 2 weeks earlier than did lake herring, perhaps related to their larger mean mouth gape. Lake whitefish were consistently larger than lake herring until the eighth week, especially in the sympatric treatments. Lake whitefish appeared to have a negative effect on the growth of lake herring, as lake herring in mixed-species treatments were smaller and weighed less than lake herring reared in single-species treatments. The diet similarities of lake whitefish and lake herring larvae could make them competitors for food in the Great Lakes. The greater initial size of lake whitefish could allow them to eat larger prey earlier and thereby limit availability of these prey to lake herring at a crucial period of development.

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