Demography, Breeding Biology and Predation of Willow Ptarmigan at Anderson River Delta, Northwest Territories

ARCTIC ◽  
1986 ◽  
Vol 39 (4) ◽  
Author(s):  
Susan J. Hannon ◽  
Thomas W. Barry
Keyword(s):  
Northwest Territories ◽  
River Delta ◽  
Breeding Biology ◽  
Willow Ptarmigan

PALAEOBOTANICAL STUDY OF BURIED PEAT FROM THE MACKENZIE RIVER DELTA AREA, NORTHWEST TERRITORIES

1959 ◽  
Vol 37 (4) ◽  
pp. 715-717 ◽  
Author(s):  
J. Terasmae
Keyword(s):  
Northwest Territories ◽  
River Delta ◽  
Delta Area ◽  
Modern Pollen ◽  
Rubus Chamaemorus ◽  
Palynological Study ◽  
Mackenzie River

A palaeobotanical and palynological study of samples of buried peat from the MacKenzie River delta area, Northwest Territories, has shown that the peat accumulated during an interglacial interval. For reference purposes a study of modern pollen of Rubus chamaemorus L. and of four species of Drosera L. has been made.

scholarly journals Water Expulsion and Pingo Formation in a Region Affected by Subsidence

1967 ◽  
Vol 6 (46) ◽  
pp. 568-572 ◽  
Author(s):  
R. C. Bostrom
Keyword(s):  
Northwest Territories ◽  
River Delta ◽  
Tectonic Subsidence ◽  
The Arctic ◽  
Delta Area ◽  
Pass Through ◽  
Recent Sediments ◽  
Mackenzie River

Abstract Geophysical evidence indicates that the delta area of the Mackenzie River, Northwest Territories, is affected by tectonic subsidence. Pingos are of sparse occurrence in the Arctic as a whole but they occur in hundreds in the Mackenzie River delta. In a region of subsidence, as recent sediments pass through the base of permafrost, compaction becomes possible. The resulting water expulsion produces an artesian head responsible for building pingos.

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