Home Specialized Services Ecological Projects About Us/Contacts Resources Site Map What's New Otis Bay logo

Projects by State

Nevada

California

Hines Spring
Lower Colorado River
Walker River

Utah

Provo River

Florida

Virginia Key

Other Projects

Ecological Projects >> Ash Meadows >> Crystal Spring Management Unit Restoration Plan

Project:  Crystal Spring Management Unit Restoration Plan

Client:  United States Fish and Wildlife Service

Date:  2007 - 2012

Site Location:   Ash Meadows National Wildlife Refuge is located approximately 70 miles northwest of Las Vegas and approximately 35 miles east of Death Valley National Park.  Ash Meadows harbors numerous plant, fish, and invertebrate species that are found nowhere else in the world. 

Surface water from within the Crystal Spring Management Unit eventually discharges from Lower Crystal Marsh.
Surface water from within the Crystal Spring Management Unit eventually discharges from Lower Crystal Marsh.
Project Summary:
This project is a step-down plan from the Ash Meadows Geomorphic and Biological Assessment that Otis Bay completed in 2006.  The outcome of this project will result in a plan with sufficient detail to begin phased implementation of large-scale hydrologic restoration activities.  Anthropogenic activities prior to the establishment of the refuge impacted endemic species and their associated habitat.  Recovery actions at Ash Meadows have focused on removing these impacts and recovering populations of native species.  Landscape alterations responsible for declines in native species at Crystal Spring and Reservoir include the draining of wetlands for agricultural development, diversion of spring outflows to a large network of irrigation ditches, and the construction of impoundments for water storage and irrigation delivery.  The largest scale impacts occurred between 1960 and 1980.  The development of the Crystal Spring Management Unit restoration plan allows the U. S. Fish and Wildlife Service to continue the recovery of native species and their associated habitat types within the refuge. 

Project Update:
Otis Bay presented the Crystal Spring Management Unit Restoration Plan at the Ash Meadows Symposium February 2010. The Biophysical Assessment and Restoration Plan:  Upper Carson Slough and Crystal Spring Management Units presented strategies to implement prioritized habitat restoration.

To experience the panoramas, videos, audio and multimedia photo galleries, you'll need the free QuickTime Player.
See the Library for additional web resources.
All content on this web site is licensed under a Creative Commons License.