Acentropus niveus (Oliv.) (Lepidoptera: Pyralidae) on the north shore of Lake Erie with a consideration of its distribution in North America

1950 ◽  
Vol 82 (12) ◽  
pp. 250-252 ◽  
Author(s):  
W. W. Judd
Keyword(s):  
North America ◽  
Green Alga ◽  
Lake Erie ◽  
Filamentous Green Alga ◽  
North Shore ◽  
The North ◽  
Lepidoptera Pyralidae ◽  
Shallow Bay ◽  
The Village ◽  
The Waves

On July 12, 1950 a collection of adults of the moth Acentropus niveus (Oliv.) was made on the north shore of Lake Erie near the village of South Cayuga, Ontario (Maps A, B-3). At the southern limits of the townships of Dunn and South Cayuga (Haldimand County) a shallow bay extends for a distance of about two miles along the shore of the lake (Map A). Along this bay is a sandy or gravelly beach ten to twenty yards wide backed by a cliff of clay that rises abruptly above the beach. On the day the collections were made the sky was clear and a brisk southerly breeze was causing waves to wash on the beach. The action of the waves had deposited debris, consisting largely of tangled masses of a filamentous green alga and exuviae of the mayfly Hexagenia occulta, in a windrow six inches to two feet wide along the shore. The moths ere found in this debris, most of them lying dead and with bedraggled wings, while some lay on their backs with wings stuck to the damp surface and with legs kicking and a few were crawling about on the debris.

scholarly journals Mass mortality of Northern Map Turtles (Graptemys geographica)

2015 ◽  
Vol 129 (1) ◽  
pp. 80 ◽  
Author(s):  
Jordan Catrysse ◽  
Emily Slavik ◽  
Jonathan Choquette ◽  
Ashley E. Leifso ◽  
Christina M. Davy
Keyword(s):  
Lake Erie ◽  
Mass Mortality ◽  
Species At Risk ◽  
Long Term Effects ◽  
North Shore ◽  
The North ◽  
The Poor ◽  
Map Turtles ◽  
Graptemys Geographica

We report a mass mortality of Northern Map Turtles (Graptemys geographica [LeSueur, 1817]) on the north shore of Lake Erie, Ontario, Canada. Thirty-five dead adult females were recovered from a nesting area over a period of four weeks. Predation and boat strikes were both excluded as potential cause of death, but the actual cause could not be determined because of the poor condition of the carcasses. Other possible explanations for the mortality include poisoning, drowning, and infection with an unidentified pathogen. Mass mortality in long-lived species, such as turtles, can have long-term effects on population growth and is a cause for concern in a species at risk.

scholarly journals Do Barrow's Goldeneyes, Bucephala islandica, Breed South of the St. Lawrence Estuary in the Gaspé Peninsula, Eastern Canada?

2010 ◽  
Vol 124 (2) ◽  
pp. 179
Author(s):  
Jean-François Ouellet ◽  
Pierre Fradette ◽  
Isabel Blouin
Keyword(s):  
North America ◽  
Breeding Season ◽  
Breeding Habitat ◽  
Eastern North America ◽  
Eastern Canada ◽  
Lawrence Estuary ◽  
North Shore ◽  
The North ◽  
Bucephala Islandica ◽  
St Lawrence Estuary

We report the first observations of Barrow's Goldeneyes south of the St. Lawrence estuary in typical breeding habitat during the breeding season. Until recently, the confirmed breeding locations for the species in Eastern North America were all located on the north shore of the Estuary and Gulf of St. Lawrence.

Comparative Summer Limnology of Inner Long Point Bay, Lake Erie, and its Major Tributary

1966 ◽  
Vol 23 (2) ◽  
pp. 275-291 ◽  
Author(s):  
A. H. Berst ◽  
H. R. McCrimmon
Keyword(s):  
Lake Erie ◽  
Total Dissolved Solids ◽  
Adjacent Area ◽  
Lower Section ◽  
Dissolved Solids ◽  
North Shore ◽  
The North ◽  
Air Temperatures ◽  
Major Tributary ◽  
Action Levels

Long Point Bay, on the north shore of Lake Erie, is 28.2 square miles (7278 hectares) in area, with a maximum depth of approximately 10 ft (3.05 m). Big Creek, the major tributary, drains a watershed of 317 square miles (81,818 hectares), and discharges 4700 million cubic feet (127,000 million liters) of water into the Bay annually. Summer water temperatures in the Creek and the Bay were positively correlated with air temperatures in 1962. The water in the Bay was subject to considerable seiche action. Levels of nutrients and suspended materials were characteristically higher in the Creek than in the Bay. Gross reductions in levels of turbidity, total dissolved solids, nitrates, and phosphates occurred in the lower section of Big Creek and the adjacent area of the Bay. For example, phosphate levels of bottom samples were inversely correlated with those of water samples in lower Big Creek and its estuary. The path of Big Creek discharge through the Bay to Lake Erie was defined by an analysis of total dissolved solids and soil phosphate data.

scholarly journals Mingan: my village

2015 ◽  
Vol 4 (3) ◽  
Author(s):  
Sandy Campbell
Keyword(s):  
Writing Workshop ◽  
Health Sciences ◽  
Art Collections ◽  
University Of Alberta ◽  
North Shore ◽  
The North ◽  
The World ◽  
The University ◽  
The Village

Mingan:  my village. Illus. Rogé. Trans. Solange Messier.  Markham, ON:  Fifth House Publishers, 2014.  Print.This is one of the most unusual Canadian Indigenous children’s books to have been published recently.  It is an art book composed of fifteen of illustrator Rogé's portraits of Innu children from the village of Mingan (“Ekuantshit” in the Innu-aimun language) on the North Shore of the Gulf of St. Lawrence.  The images are accompanied by fifteen poems written by the children.  Each of the portraits covers an 8.5 X 14’ page and is an almost life-sized likeness painted from a photograph.  The images are mainly sepia tones with some orange, blue and red highlights.  These portraits will allow children elsewhere in the world to see what an Innu child looks like. The poems are the result of a poetry writing workshop led by Laurel Morali and Rita Mestokosho at Mingan.  They are also published in the back of the book in Innu-aimun.  The works are simple, unsophisticated and present a child’s view of the world.  Nature and grandparents figure prominently in the works.   For example:                        In the wind's light, the pain of the heart                        The blue river                        When I listen                        I have a memory of my grandfather                        He tells me he is well                        This comforts me                        I know he protects me                        That he watches me                        I cry when he is not beside me                                                                       Sabrina                       Overall this is a striking work that could fit both in to art collections and children’s libraries as well as those collecting Canadian Indigenous materials. Highly recommended: 4 stars out of 4Reviewer:  Sandy CampbellSandy is a Health Sciences Librarian at the University of Alberta, who has written hundreds of book reviews across many disciplines.  Sandy thinks that sharing books with children is one of the greatest gifts anyone can give. 

On hypoxia and fish kills along the north shore of Lake Erie

2014 ◽  
Vol 40 (1) ◽  
pp. 187-191 ◽  
Author(s):  
Yerubandi R. Rao ◽  
Todd Howell ◽  
Susan B. Watson ◽  
Scott Abernethy
Keyword(s):  
Lake Erie ◽  
Fish Kills ◽  
North Shore ◽  
The North

Cyclic erosion–instability relationships: Lake Erie north shore bluffs

1977 ◽  
Vol 14 (3) ◽  
pp. 310-323 ◽  
Author(s):  
R. M. Quigley ◽  
P. J. Gelinas ◽  
W. T. Bou ◽  
R. W. Packer
Keyword(s):  
Effective Stress ◽  
Lake Erie ◽  
Average Rate ◽  
High Energy ◽  
Intermediate Energy ◽  
North Shore ◽  
The North ◽  
Slide Debris ◽  
Cyclic Changes ◽  
Erosion Protection

The 27–45 m high bluffs along the north shore of Lake Erie in Ontario are retreating inland at a 150 year average rate of 0.5 to 3.0 m/year. The retreat mechanisms and rates are cyclic and consist of complex interrelationships of toe erosion by wave attack, cliff steepening, sheet sloughing, and landsliding associated with softening in response to changes in effective stress. Four cyclic failure types are presented.1. Slowly retreating (0.6 m/year) unvegetated cliff fronts of 27 m height and nearly constant profile associated with low energy wave attack (0.5 kW/m) at the toe and cyclic sheet sloughing caused by desiccation and wetting at monthly intervals. Landsliding very rare and surficial.2. Cliffs of 34 m height retreating at intermediate rates (1.4 m/year) showing cyclic changes in profile in response to major, cyclic landslides. Retreat mechanisms involve toe erosion by intermediate energy wave attack (1.0 kW/m) and large toe failures at 10–20 year intervals in response to softening and changes in effective stress.3. Cliffs of 42 m height retreating at 2.8 m/year showing cyclic changes in profile in response to major, high velocity, cyclic landslides that deposit offshore fans of slide debris that provide erosion protection but no counterbalancing moment protection. Toe sands play a significant role, enabling undercutting by high energy wave attack (~2 kW/m). Size and frequency of landslides too variable to quantify at present.4. Cliffs of 38–45 m height retreating at 2.0 m/year in response to toe erosion under high energy wave attack (2 kW/m). Thick water bearing surface sands cause sloughing and shallow failure of the upper slopes at 1.5 year intervals above near vertical wave cut toe cliffs. Huge, deep seated failures may develop during periods of cyclic low water level at roughly estimated intervals of 30 years.

scholarly journals Acoustic monitoring of migratory birds over western Lake Erie: avian responses to barriers and the importance of islands

2014 ◽  
Vol 128 (2) ◽  
pp. 135 ◽  
Author(s):  
Claire E. Sanders ◽  
Daniel J. Mennill
Keyword(s):  
Great Lakes ◽  
Lake Erie ◽  
Migratory Birds ◽  
Temporal Distribution ◽  
Open Water ◽  
Acoustic Monitoring ◽  
Major Barrier ◽  
North Shore ◽  
The North ◽  
Western Lake

Understanding the flight patterns of migrating birds is critical for informing conservation actions and management decisions. We studied the geographic and temporal distribution of birds migrating through the southern Great Lakes using nocturnal acoustic monitoring data and banding records from sites on Pelee Island in Lake Erie and on the mainland along the north shore of Lake Erie. Given that Lake Erie may represent an ecological barrier to migratory birds, we predicted that mainland and island sites would show different patterns in both the number of passage migrants and the timing of their migration. Analysis of over 60,000 flight calls from 6200 h of recordings revealed significantly more migrants over the island than the mainland in both spring and fall 2012. The acoustic data provide evidence that none of the species or species groups examined avoided crossing the lake. Birds were detected significantly earlier on Pelee Island than on the north shore of Lake Erie in spring, although they were not detected earlier on the mainland in fall. These results suggest that Lake Erie is not a major barrier to migration. The large number of birds detected over the island suggest that birds may concentrate their flight over islands in the middle of the lake, although recordings of migrants over open water will be required to support this suggestion. Our results show that Pelee Island is an important part of the migratory route of North American birds and provide valuable information on the movement of nocturnal migrants over the Great Lakes.

scholarly journals Les douze circonscriptions électorales « privilégiées » du Québec

2005 ◽  
Vol 6 (12) ◽  
pp. 161-166 ◽  
Author(s):  
Jean-Charles Bonenfant
Keyword(s):  
North America ◽  
Ottawa River ◽  
British North America ◽  
North Shore ◽  
The North ◽  
French Speaking ◽  
History Of ◽  
English Speaking ◽  
Eastern Townships

Article 80 of the British North America Act expressly disallows any modification of the boundaries of twelve of the electoral districts of the province of Québec (all located in the Eastern Townships and along the north shore of the Ottawa River) without the majority consent of the deputies representing these districts. In 1867 the districts were predominantly English-speaking but most now contain a French-speaking majority. The author traces the history of application of Article 80 from 1867 to the present, and by citing numerous boundary changes that have occurred shows that the Article has been more honoured in the breach than the observance. The author concludes that the Article is obsolete and antidemocratic. He then outlines some of the procedural difficulties involved in a possible repeal of the Article.

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