scholarly journals The 100th Meridian Initiative at the Lake Mead National Recreation Area, NV, USA: Differences between boater behaviors before and after a quagga mussel, Driessena rostiformis bugensis, invasion

2011 ◽  
Vol 6 (2) ◽  
pp. 223-229 ◽  
Author(s):  
Sara Mueting ◽  
Shawn Gerstenberger
Keyword(s):  
Quagga Mussel ◽  
Lake Mead ◽  
Before And After ◽  
Recreation Area

scholarly journals Environmental setting of Lake Mead National Recreation Area: Chapter 2 in A synthesis of aquatic science for management of Lakes Mead and Mohave

Circular ◽  
2012 ◽  
pp. 7-22 ◽  
Author(s):  
Kent Turner ◽  
Michael R. Rosen ◽  
G. Chris Holdren ◽  
Steven L. Goodbred ◽  
David C. Twichell
Keyword(s):  
Lake Mead ◽  
Environmental Setting ◽  
Aquatic Science ◽  
Recreation Area

Unproductive Lithic Resources at Lake Mead

1986 ◽  
Vol 51 (2) ◽  
pp. 383-388 ◽  
Author(s):  
Kathryn A. Kamp ◽  
John C. Whittaker
Keyword(s):  
Raw Material ◽  
Lake Mead ◽  
Initial Reduction ◽  
Recreation Area ◽  
Quality Material ◽  
Resource Systems

Artifacts from 24 chipping stations and a lithic scatter from the Lake Mead National Recreation Area, Nevada were analyzed by refitting conjoinable flakes to original cores. Artifacts represented debitage from the initial reduction of locally-available low-quality chalcedony nodules for the eventual production of flake tools. The refitting analysis allowed the debitage to be divided into four patterns that roughly correlate with variation in the quality of the raw material. All result from the same strategy of reduction aimed at producing as many usable flakes as possible from low-quality material. Such relatively unproductive sites are rarely studied in detail because they require intensive analysis, but were probably an important part of prehistoric resource systems.

A survey of a low-density koala population in a major reserve system, near Sydney, New South Wales..

2001 ◽  
Vol 23 (2) ◽  
pp. 135 ◽  
Author(s):  
A Curtin ◽  
D Lunney ◽  
A Matthews
Keyword(s):  
National Park ◽  
Field Survey ◽  
New South ◽  
Specific Information ◽  
Vegetation Types ◽  
Field Surveys ◽  
South Wales ◽  
Before And After ◽  
Recreation Area ◽  
Reserve System

cinereus) in Yengo National Park and Parr State Recreation Area, which together form a major reserve system where P. cinereus were known to be scarce. The first, a community survey which was distributed to 823 residences adjoining the reserves, yielded 139 responses. Of these, 31 responses provided information that allowed 26 P. cinereus locality records to be verified. A further eight P. cinereus locality records were obtained from interviews with neighbours. Most records were road-based. The second, a field survey based on scat searches, produced an additional 13 P. cinereus localities. P. cinereus scats were found under 11 tree species. Eucalyptus punctata was most frequently recorded with scats of those that were adequately sampled. A range of vegetation types and both ridges and gullies were used by P. cinereus. During field surveys, P. cinereus was found to be sparse and occurring throughout much of the survey area, concentrated in the eastern, southern and central parts of the reserve system. Both methods identified P. cinereus to be present before and after the extensive fires of January 1994, which burnt 60 % of the area. An appraisal of the methods revealed that they are complementary. The survey of residents provided recent and historical information and an indication of initial search areas for P. cinereus. The field survey yielded specific information about local P. cinereus habitat. The combination increased the number of P. cinereus records for the area more than four-fold. This study has provided the reserve managers with a clearer picture of the location of the local P. cinereus population.

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