The behaviors of two limnetic river plumes discharging into the semi-enclosed western basin of Lake Erie during ice-free seasons

2021 ◽  
pp. 107408
Author(s):  
Qianru Niu ◽  
Meng Xia
Keyword(s):  
Lake Erie ◽  
River Plumes ◽  
Western Basin

scholarly journals Methane and nitrous oxide measured throughout Lake Erie over all seasons indicate highest emissions from the eutrophic Western Basin

2020 ◽  
Vol 46 (6) ◽  
pp. 1604-1614
Author(s):  
Julianne M. Fernandez ◽  
Amy Townsend-Small ◽  
Arthur Zastepa ◽  
Susan B. Watson ◽  
Jay A. Brandes
Keyword(s):  
Nitrous Oxide ◽  
Lake Erie ◽  
Western Basin

scholarly journals Elevated Incidences of Antimicrobial Resistance and Multidrug Resistance in the Maumee River (Ohio, USA), a Major Tributary of Lake Erie

2021 ◽  
Vol 9 (5) ◽  
pp. 911
Author(s):  
Maitreyee Mukherjee ◽  
Leah Marie ◽  
Cheyenne Liles ◽  
Nadia Mustafa ◽  
George Bullerjahn ◽  
...  
Keyword(s):  
Multidrug Resistance ◽  
Antimicrobial Resistance ◽  
High Resistance ◽  
Lake Erie ◽  
Control Measures ◽  
Industrial Water ◽  
Western Basin ◽  
E Coli ◽  
Major Tributary ◽  
Very High

Maumee River, the major tributary in the western basin of Lake Erie, serves as one of major sources of freshwater in the area, supplying potable, recreational, and industrial water. In this study we collected water samples from four sites in the Maumee River Bay between 2016–2017 and E. coli was isolated, enumerated, and analyzed for antimicrobial resistance (AMR) and multidrug resistance (MDR). Strikingly, 95% of the total isolates were found to be resistant to at least one antibiotic. A very high resistance to the drugs cephalothin (95.3%), ampicillin (38.3%), tetracycline (8.8%), gentamicin (8.2%), ciprofloxacin (4.2%), cefoperazone (4%), and sulfamethoxazole (1.5%) was observed within isolates from all four sampling sites. Percentages of AMR and MDR was consistently very high in the summer and fall months, whereas it was observed to be lowest in the winter. A remarkably high number of the isolates were detected to be MDR—95% resistant to ≥1 antibiotic, 43% resistant to ≥2 antibiotics, 15% resistant to ≥3 antibiotics, 4.9% resistant to ≥4 antibiotic and 1.2% resistant to ≥5 antibiotics. This data will serve in better understanding the environmental occurrence and dissemination of AMR/MDR in the area and assist in improving and establishing control measures.

scholarly journals Does behavioural thermoregulation underlie seasonal movements in Lake Erie walleye?

2018 ◽  
Vol 75 (3) ◽  
pp. 488-496 ◽  
Author(s):  
Graham D. Raby ◽  
Christopher S. Vandergoot ◽  
Todd A. Hayden ◽  
Matthew D. Faust ◽  
Richard T. Kraus ◽  
...  
Keyword(s):  
Lake Erie ◽  
Seasonal Migration ◽  
Central Basin ◽  
Behavioural Thermoregulation ◽  
Long Distance ◽  
Western Basin ◽  
Eastern Basin ◽  
Temperature Records ◽  
Thermal Preferences

Thermoregulation is presumed to be a widespread determinant of behaviour in fishes, but has not often been investigated as a mechanism shaping long-distance migrations. We used acoustic telemetry and animal-borne thermal loggers to test the hypothesis that seasonal migration in adult walleye (Sander vitreus) in Lake Erie is size- and (or) sex-specific and related to behavioural thermoregulation. Female walleye migrated out of the warm, shallow western basin earlier than did males and were 1.8 times more likely to be detected on acoustic receivers in the deeper and cooler eastern basin. The few fish that remained in the western basin were restricted to a smaller range of higher temperatures (≥20 °C) than those that migrated to the central and eastern basins (∼16–21 °C). However, temperature records from walleye in the central basin were nearly indistinguishable from those in the eastern basin, suggesting thermal preferences alone could not explain migration to the eastern basin. As such, our effort to understand the mechanisms that cause migratory behaviours has generated mixed evidence on the role of temperature and that factors like foraging opportunities may have synergistic roles in the migration.

scholarly journals Detoured flight direction responses along the southwest coast of Lake Erie by night-migrating birds

The Auk ◽  
2019 ◽  
Vol 136 (3) ◽  
Author(s):  
David V Gesicki ◽  
Erica L Cech ◽  
Verner P Bingman
Keyword(s):  
Lake Erie ◽  
Migratory Birds ◽  
Western Basin ◽  
Good Opportunity ◽  
Infrared Observations ◽  
The North ◽  
Flight Direction ◽  
Breeding Grounds ◽  
Topographical Feature ◽  
Migrating Birds

Abstract Migratory birds encounter the Great Lakes while moving through eastern North America toward breeding grounds to the North, which offers a good opportunity to study variation in migratory behavior as birds face a potentially influencing topographical feature. Using passive infrared technology, we documented the direction of relatively low-flying, nocturnal, mostly passerine migration in spring along the southern coast of Lake Erie’s western basin. We examined the extent to which spring migrants flew across Lake Erie as a continuation of the inland, northeasterly broad front migratory direction, as determined by weather radar and infrared observations, or displayed a tendency to deviate to more closely follow the direction of the coastline. We found that an estimated 62% of all low-flying migrants deviated their flight directions toward the coast of Lake Erie at 2 coastal sites, Cedar Point and Ottawa, which were characterized by northwest–southeast oriented coastlines. Migrants at a third coastal location, Maumee Bay, which has a more east–west oriented coastline, did not display similarly deviated flight directions. We found that even when winds were energetically favorable for a lake crossing, many migrants still routinely displayed deviated flight directions that approached paralleling the coastline. Further, the mean flight direction at one site, Ottawa, shifted more in the direction of the coastline as the night progressed, suggesting that time of night could influence the shift to a more coastal flight direction. The data indicate that the western basin of Lake Erie acts as a salient topographical feature influencing the flight directions of nocturnal migrants. The data further suggest that birds are making active decisions while in flight, based on current environmental and physiological conditions, about whether to continue to cross Lake Erie or take a coastal detour.

Concentrations and trophic magnification of cyclic siloxanes in aquatic biota from the Western Basin of Lake Erie, Canada

2014 ◽  
Vol 186 ◽  
pp. 141-148 ◽  
Author(s):  
Daryl J. McGoldrick ◽  
Cecilia Chan ◽  
Ken G. Drouillard ◽  
Michael J. Keir ◽  
Mandi G. Clark ◽  
...  
Keyword(s):  
Lake Erie ◽  
Aquatic Biota ◽  
Western Basin ◽  
Cyclic Siloxanes

scholarly journals Long-Term Decline in Freshwater Mussels (Bivalvia: Unionidae) of the Western Basin of Lake Erie

1991 ◽  
Vol 17 (2) ◽  
pp. 214-219 ◽  
Author(s):  
Thomas F. Nalepa ◽  
Bruce A. Manny ◽  
James C. Roth ◽  
Samuel C. Mozley ◽  
Donald W. Schloesser
Keyword(s):  
Lake Erie ◽  
Freshwater Mussels ◽  
Western Basin

Seasonal Distribution, Constitution, and Abundance of Zooplankton in Lake Erie

1969 ◽  
Vol 26 (9) ◽  
pp. 2459-2476 ◽  
Author(s):  
Charles C. Davis
Keyword(s):  
Chlorophyll A ◽  
Lake Erie ◽  
Seasonal Distribution ◽  
Severe Weather ◽  
The Other ◽  
Western Basin ◽  
Lake Morphology ◽  
Similar Series ◽  
Ice Conditions ◽  
Work Done

Zooplankton samples, collected by vertical hauls from near bottom to the surface, were obtained from 28 stations along the length of Lake Erie in October 1967. A partial similar series, confined largely to the Western Basin because of ice conditions, was collected in January 1968. The results of the analyses are tabulated as numbers of individuals per m3, and are discussed. Comparisons are made with results previously published for a comparable series of stations visited in July 1967.As in July, distinct differences were to be seen among the three major basins (Western, Central, and Eastern) in the October results. These differences are summarized. In July an expected decrease in zooplankton, such as would be predicted from lake morphology, amount of runoff from rivers, etc., occurred from west to east in the lake. In October, however, the zooplankton of the Western Basin was extremely impoverished, and the expected distribution of biomass was reversed. It is shown, on the other hand, from work done by others on samples taken from the same series of stations in October, that phytoplankton, chlorophyll a, and seston exhibited the expected distribution, emphasizing the danger of judging an ecosystem by the examination of only limited components of the community and at single periods of the year.In July the bulk of the zooplankters consisted of large cladocerans (especially daphnids) and copepods. In October there were much larger populations of rotifers and of small cladocerans (Bosmina, Chydorus). Copepods were relatively sparse. The January samples were characterized by greater numbers and a greater variety of diaptomids than in October, and the rotifers remained very important. All of the January samples contained many partially decayed microcrustaceans. This was interpreted as indicating a seasonal die-off associated with the very severe weather of the period.

scholarly journals Brachionus leydigii (Monogononta: Ploima) reported from the western basin of Lake Erie

2018 ◽  
Vol 44 (5) ◽  
pp. 1123-1126 ◽  
Author(s):  
J.K. Connolly ◽  
J.M. Watkins ◽  
C.C. Marshall ◽  
J.M. Adams ◽  
L.G. Rudstam ◽  
...  
Keyword(s):  
Lake Erie ◽  
Western Basin
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