scholarly journals Decreases in diatom cell size during the 20th century in the Laurentian Great Lakes: a response to warming waters?

2017 ◽  
Vol 39 (2) ◽  
pp. 199-210 ◽  
Author(s):  
A.J. Bramburger ◽  
E.D. Reavie ◽  
G.V. Sgro ◽  
L.R. Estepp ◽  
V.L. Shaw Chraïbi ◽  
...  
Keyword(s):  
Great Lakes ◽  
Cell Size ◽  
20Th Century ◽  
Laurentian Great Lakes ◽  
Diatom Cell

Size matters: diatom establishment and extirpation timing in the Laurentian Great Lakes has been influenced by cell size

2020 ◽  
Vol 42 (3) ◽  
pp. 255-264
Author(s):  
Andrew J Bramburger ◽  
Euan D Reavie ◽  
Gerald V Sgro ◽  
Lisa R Estepp ◽  
Victoria L Shaw Chraïbi ◽  
...  
Keyword(s):  
Great Lakes ◽  
Cell Size ◽  
Propagule Pressure ◽  
Multiple Stressors ◽  
Nutrient Status ◽  
Laurentian Great Lakes ◽  
Late 20Th Century ◽  
European Settlement ◽  
Species Invasions ◽  
Fossil Records

Abstract The Laurentian Great Lakes are among the planet’s fastest-warming lakes. Recent paleolimnological studies have shown changes in the diatom community of the system, including shifts towards taxa characteristic of strongly stratified systems and ongoing cell-size diminution. Relationships between species’ cell size and establishment in—or extirpation from—the system have not been addressed. Examining patterns of establishment and extirpation provides insight into the effects of multiple stressors at the ecosystem scale. We evaluate the timing of the establishment or extirpation of diatom taxa from fossil records post-European settlement within the Great Lakes as a function of cell size. Relationships between establishment or extirpation date and cell size were not random, and were best expressed as cubic curves. Generally, large taxa became established early in the record, while establishments of smaller taxa continued apace until the late 20th century. Extirpations of taxa of all sizes accelerated in the late 20th and early 21st centuries, and large-celled taxa were disproportionately extirpated over the last two decades. We discuss the implications of these relationships on the overall cell-size characteristics of the community, and consider the influences of propagule pressure, nutrient status, species invasions, and climate change upon diatom establishment and extirpation.

Airborne Hyperspectral Imaging of Laurentian Great Lakes: Operational Challenges

2010 ◽  
Author(s):  
John Lekki ◽  
R. Anderson ◽  
Q.-V. Nguyen ◽  
J. Demers ◽  
J. Flatico ◽  
...  
Keyword(s):  
Great Lakes ◽  
Hyperspectral Imaging ◽  
Laurentian Great Lakes

INTERPRETING PALEOHYDROGRAPHIC DATA RECONSTRUCTED FROM STRANDPLAINS OF BEACH RIDGES IN THE LAURENTIAN GREAT LAKES

2017 ◽  
Author(s):  
John W. Johnston ◽  
◽  
Erin P. Argyilan ◽  
Steve J. Baedke ◽  
Sean Morrison ◽  
...  
Keyword(s):  
Great Lakes ◽  
Laurentian Great Lakes ◽  
Beach Ridges

Potential Effects of Bigheaded Carps on Four Laurentian Great Lakes Food Webs

2021 ◽  
Author(s):  
Edward S. Rutherford ◽  
Hongyan Zhang ◽  
Yu‐Chun Kao ◽  
Doran M. Mason ◽  
Ali Shakoor ◽  
...  
Keyword(s):  
Great Lakes ◽  
Food Webs ◽  
Laurentian Great Lakes

Long-term primary production trends in the Laurentian Great Lakes: a comparison of geochemical methods

2021 ◽  
Author(s):  
Euan D. Reavie ◽  
Meijun Cai ◽  
Carsten Meyer-Jacob ◽  
John P. Smol ◽  
Josef P. Werne
Keyword(s):  
Primary Production ◽  
Great Lakes ◽  
Laurentian Great Lakes

scholarly journals On the role of local depth and latitude on surface warming heterogeneity in the Laurentian Great Lakes

Inland Waters ◽  
2021 ◽  
pp. 1-15
Author(s):  
Elisa Calamita ◽  
Sebastiano Piccolroaz ◽  
Bruno Majone ◽  
Marco Toffolon
Keyword(s):  
Great Lakes ◽  
Laurentian Great Lakes ◽  
Surface Warming ◽  
Local Depth
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