Recent Notes from the Lower Colorado River Valley of Arizona and California

The Condor ◽  
1949 ◽  
Vol 51 (6) ◽  
pp. 262-265
Author(s):  
Gale Monson
Keyword(s):  
Colorado River ◽  
River Valley ◽  
Lower Colorado River

scholarly journals Review and analysis of the age and origin of the Pliocene Bouse Formation, lower Colorado River Valley, southwestern USA

Geosphere ◽  
2013 ◽  
Vol 9 (3) ◽  
pp. 444-459 ◽  
Author(s):  
Jon E. Spencer ◽  
P. Jonathan Patchett ◽  
Philip A. Pearthree ◽  
P. Kyle House ◽  
Andrei M. Sarna-Wojcicki ◽  
...  
Keyword(s):  
Colorado River ◽  
River Valley ◽  
Southwestern Usa ◽  
Lower Colorado River

A History of Date Palms in the Lower Colorado River Valley

2019 ◽  
Vol 61 (4) ◽  
pp. 863-879
Author(s):  
Dennis V. Johnson ◽  
Jane C. MacKnight
Keyword(s):  
Colorado River ◽  
River Valley ◽  
Date Palms ◽  
History Of ◽  
Lower Colorado River

Seasonal Habitat Selection by Birds in the Lower Colorado River Valley

Ecology ◽  
1980 ◽  
Vol 61 (6) ◽  
pp. 1402-1411 ◽  
Author(s):  
Jake Rice ◽  
Bertin W. Anderson ◽  
Robert D. Ohmart
Keyword(s):  
Habitat Selection ◽  
Colorado River ◽  
River Valley ◽  
Lower Colorado River

scholarly journals New Summer Areas and Mixing of Two Greater Sandhill Crane Populations in the Intermountain West

2015 ◽  
Vol 7 (1) ◽  
pp. 141-152 ◽  
Author(s):  
Daniel P. Collins ◽  
Blake A. Grisham ◽  
Courtenay M. Conring ◽  
Jeffrey M. Knetter ◽  
Warren C. Conway ◽  
...  
Keyword(s):  
Colorado River ◽  
Rocky Mountain ◽  
River Valley ◽  
Private Lands ◽  
Grus Canadensis ◽  
Sandhill Crane ◽  
Sandhill Cranes ◽  
Wildlife Refuges ◽  
Lower Colorado River ◽  
Mountain Population

Abstract Population delineation throughout the annual life cycle for migratory birds is needed to formulate regional and national management and conservation strategies. Despite being well studied continentally, connectivity of sandhill crane Grus canadensis populations throughout the western portion of their North American range remains poorly described. Our objectives were to 1) use global positioning system satellite transmitter terminals to identify summer distributions for the Lower Colorado River Valley Population of greater sandhill cranes Grus canadensis tabida and 2) determine whether intermingling occurs among any of the western greater sandhill crane populations: Rocky Mountain Population, Lower Colorado River Valley Population, and Central Valley Population. Capture and marking occurred during winter and summer on private lands in California and Idaho as well as on two National Wildlife Refuges: Cibola and Sonny Bono Salton Sea National Wildlife Refuges. A majority of marked greater sandhill cranes summered in what is established Lower Colorado River Valley Population breeding areas in northeastern Nevada and southwestern Idaho. A handful of greater sandhill cranes summered outside of traditional breeding areas in west-central Idaho around Cascade Reservoir near Donnelly and Cascade, Idaho. For example, a greater sandhill crane colt captured near Donnelly in July 2014 survived to winter migration and moved south to areas associated with the Rocky Mountain Population. The integration of the greater sandhill crane colt captured near Donnelly provides the first evidence of potential intermingling between the Lower Colorado River Population and Rocky Mountain Population. We suggest continued marking and banding efforts of all three western populations of greater sandhill cranes will accurately delineate population boundaries and connectivity and inform management decisions for the three populations.

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