7113 ‎(2)‎

• UCREFRP Catalog Number: 7113
• Author: La Rivers, I.
• Title: Fishes and Fisheries of Nevada.
• USFW Year: 1962.
• USFW - Doc Type: Fishes and Fisheries of Nevada.
• Copyright Material: YES

1
182 FIBRES AND FWHERMS OF NEVADA
)
acre-feet a year, thereby reducing storage capacity by that amount.
Originally, both dam and lake were called "Boulder" since Congretis
had first authorized the project for Boulder Canon. The present names
are for a former president and a commissioner of reclamation.
W Characteristics of Lake Mead"
Reservoirs, such as Lakes Mead and Mohave, differ in certain ways
from most natural waters. In the main, these differences are of two
types: (1) greater annual fluctuation in water level and (2) more

"flushing" action through the body of water due to constant and eon"
siderable inflow and outflow. These affect such basic lake conditions
as temperature, density, and nutrient and chemical stratification.
which determine essential meehanisms like food chains by controllim:
distribution and abundance of plankton organisms upon which all other
aquatic animals live.
PHYSXAL CONDITIONS
TMPERATU RE
The establishment of a leotic or standing body of water astride the
cold Colorado River has had the expected effect of warming th-1,
waters. Inflowing river water showed range extremes from 360 F. for
"Most of the follo«'ing limuaUgle data on both Lakes Mead and Mohave are
from Jone'L and Sumner 195-1.

It
Flo. 59. Lake (lead, before it had tracked up to maximua? elevation hellion
newly built Hoover (thee Boulder) Dam. Looking east-northeast.
Photo by the author, 'May 19377.