Effects of Removal of Red Squirrels, Tamiasciurus hudsonicus, and Eastern Chipmunks, Tamias striatus, on Nest Predation in a Northern Hardwood Forest: An Artificial Nest Experiment

Oikos ◽  
1990 ◽  
Vol 57 (3) ◽  
pp. 375 ◽  
Author(s):  
Leonard R. Reitsma ◽  
Richard T. Holmes ◽  
Thomas W. Sherry
Keyword(s):  
Nest Predation ◽  
Hardwood Forest ◽  
Tamiasciurus Hudsonicus ◽  
Northern Hardwood Forest ◽  
Artificial Nest ◽  
Red Squirrels ◽  
Tamias Striatus ◽  
Northern Hardwood ◽  
Eastern Chipmunks ◽  
Artificial Nest Experiment

Predation on different-sized quail eggs in an artificial-nest study in western Newfoundland

1999 ◽  
Vol 77 (7) ◽  
pp. 1170-1173 ◽  
Author(s):  
Keith P Lewis ◽  
William A Montevecchi
Keyword(s):  
Japanese Quail ◽  
Small Mammals ◽  
Nest Predation ◽  
Egg Size ◽  
Tamiasciurus Hudsonicus ◽  
Buffer Strips ◽  
Artificial Nest ◽  
Red Squirrels ◽  
Artificial Nests ◽  
Riparian Buffer Strips

In artificial-nest studies, Japanese Quail (Coturnix japonica) eggs have been used as surrogates for passerine eggs, although small mammals that prey on passerine eggs may be unable to consume Japanese Quail eggs. To determine the influence of egg size on nest predation in different landscapes on insular Newfoundland, we placed either a Japanese Quail egg or a smaller Chinese Painted Quail (Xexcalfactoris chinensis) egg in artificial ground nests along lakeshore forest edges and along riparian buffer strips. Clay eggs were used to identify nest predators. Levels of predation on nests with Japanese Quail and Chinese Painted Quail eggs were similar. Based on clay eggs, predation was attributed to red squirrels (Tamiasciurus hudsonicus), and we found no evidence that smaller mammals preyed on artificial nests. We conclude that the Japanese Quail egg is acceptable for use in artificial-nest studies in Newfoundland, and we discuss the implications of egg size and small mammals in nest-predation experiments.

Is nest predation density dependent? A test using artificial nests

1992 ◽  
Vol 70 (12) ◽  
pp. 2498-2500 ◽  
Author(s):  
Leonard Reitsma
Keyword(s):  
New Hampshire ◽  
Nest Predation ◽  
Hardwood Forest ◽  
Northern Hardwood Forest ◽  
Nest Density ◽  
Artificial Nests ◽  
Density Dependent ◽  
Northern Hardwood ◽  
Significant Difference ◽  
Natural Nest

Experiments using artificial nests to test whether predation varies with nest density were conducted in a northern hardwood forest in New Hampshire in June 1989. Nests were baited with quail eggs and placed at densities similar to and substantially higher than the range of natural nest densities. There was no statistically significant difference in predation levels among densities, but there was a trend for higher predation at the highest density.

Earthworms, litter and soil carbon in a northern hardwood forest

2012 ◽  
Vol 114 (1-3) ◽  
pp. 269-280 ◽  
Author(s):  
Timothy J. Fahey ◽  
Joseph B. Yavitt ◽  
Ruth E. Sherman ◽  
John C. Maerz ◽  
Peter M. Groffman ◽  
...  
Keyword(s):  
Soil Carbon ◽  
Hardwood Forest ◽  
Northern Hardwood Forest ◽  
Northern Hardwood
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