A model to locate potential areas for lake sturgeon spawning habitat construction in the St. Clair–Detroit River System

2014 ◽  
Vol 40 ◽  
pp. 43-51 ◽  
Author(s):  
David H. Bennion ◽  
Bruce A. Manny
2018 ◽  
Vol 147 (1) ◽  
pp. 79-93 ◽  
Author(s):  
Jason L. Fischer ◽  
Jeremy J. Pritt ◽  
Edward F. Roseman ◽  
Carson G. Prichard ◽  
Jaquelyn M. Craig ◽  
...  

2014 ◽  
Vol 30 (6) ◽  
pp. 1393-1401 ◽  
Author(s):  
E. K. Bouckaert ◽  
N. A. Auer ◽  
E. F. Roseman ◽  
J. Boase

2001 ◽  
Vol 79 (8) ◽  
pp. 1472-1489 ◽  
Author(s):  
Julie D'Amours ◽  
Stéphanie Thibodeau ◽  
Réjean Fortin

Several fish species that spawn in lotic habitats have a larval-drift phase which is a major determinant of their reproductive success. The main objective of this study was to compare seasonal, diel, longitudinal, transverse, and vertical variations in rates of lake sturgeon (Acipenser fulvescens), Stizostedion spp., Catostomus spp., Moxostoma spp., quillback (Carpiodes cyprinus), and mooneye (Hiodon tergisus) larval drift in Des Prairies River (DPR) near Montreal (Quebec), which is one of the major lotic spawning habitats of the St. Lawrence River system. Larval sampling was conducted in the spring of 1994 and 1995 for the six taxa, and on a more restricted basis for lake sturgeon in 1996–1998, using drift nets set at several transects, stations, depths, and periods of the day, along a 19 km long section of river beginning ca. 2 km downstream from the DPR power house. For all taxa except lake sturgeon, peak larval drift occurred ca. 1 week earlier in 1995 than in 1994. The sequence was very similar between years, beginning with Stizostedion spp., followed by Catostomus spp., then lake sturgeon, quillback, and mooneye drifting simultaneously, and finally Moxostoma spp. Generally, for all taxa except quillback, whose multimodal drift pattern suggests intermittent, prolonged spawning, larval-drift profiles showed one major seasonal mode, which was observed simultaneously at all transects. For all taxa except quillback, drift rates peaked between 21:00 and 03:00 and were minimal during daylight hours. Lake sturgeon and Stizostedion spp. larval drift rates decreased radically from the most upstream to the most downstream transect, suggesting that both taxa spawn mostly in the vicinity of the DPR power house. More studies are required to explain this longitudinal decline in drift rates, particularly for lake sturgeon. The other taxa showed longitudinal variation in larval drift rates, suggesting that they spawn near the DPR power house and (or) in the Île de Pierre Rapids, ca. 12 km downstream. At all transects, larval drift rates for the six taxa were generally higher in the right half (Montreal) of the river, suggesting that eggs are deposited mostly in this part of the river at the two major spawning areas and that larvae tend to remain in the same general corridors during downstream migration. For all taxa, though to a lesser extent for lake sturgeon, nocturnal drift rates tend to be higher near the surface than at mid-depth and near the bottom, the reverse situation being observed for diurnal drift rates.


1986 ◽  
Vol 21 (3) ◽  
pp. 411-421 ◽  
Author(s):  
Efraim Halfon

Abstract Perchloroethylene (PERC) is a heavier-than-water, soluble and volatile solvent used primarily in the dry cleaning business. Black puddles (popularly known the the “blob”), containing several contaminants inducing PERC, were reported in the St. Clair River bottom sediments downstream from Sarnia in 1984 and in 1985. The TOXFATE model is used to predict the fate of PERC and the relative importance of volatilization in relation to water transport. Simulations show that in the St. Clair-Detroit River system about 82% (78-87%). under a variety of temperature and wind conditions) of the PERC loading is volatilized, about 17% (12-21%) of loading enters Lake Erie (more in winter, less in summer) and only about 1% remains in the system. The residence half life of PERC being transported in the water from Sarnia to Lake Erie is 350-400 hours and the half life of PERC being volatilized is 80-85 hours. A sensitivity analysis shows the importance of knowing the daily loadings to compute, in real time, local water concentrations following a PERC spill. The high water levels in the St. Clair River system do not influence the fate of PERC. Given the high volatility of PERC low temperatures and wind speeds do not reduce significantly the rate of removal of PERC from the system through volatilize nation.


2020 ◽  
Vol 150 ◽  
pp. 105837 ◽  
Author(s):  
Jason L. Fischer ◽  
Edward F. Roseman ◽  
Christine Mayer ◽  
Todd Wills

2019 ◽  
Vol 45 (1) ◽  
pp. 40-49 ◽  
Author(s):  
Donald Scavia ◽  
Serghei A. Bocaniov ◽  
Awoke Dagnew ◽  
Colleen Long ◽  
Yu-Chen Wang

1991 ◽  
Vol 17 (4) ◽  
pp. 522-535 ◽  
Author(s):  
Bruce M. Davis ◽  
Patrick L. Hudson ◽  
Brian J. Armitage
Keyword(s):  

1986 ◽  
Vol 3 (4) ◽  
pp. 537-544 ◽  
Author(s):  
Donald W. Schloesser ◽  
Bruce A. Manny

2010 ◽  
Vol 36 (3) ◽  
pp. 490-496 ◽  
Author(s):  
Bruce A. Manny ◽  
Gregory W. Kennedy ◽  
James C. Boase ◽  
Jeffrey D. Allen ◽  
Edward F. Roseman

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