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Transition and gap models of forest dynamics
Article discussing transition and gap models of forest dynamics.
Date:
November 1, 1995
Creator:
Acevedo, Miguel F.; Urban, D. L. & Ablan, Magdiel
Object Type:
Article
System:
The UNT Digital Library
Assessing potential impacts of CO2 - and deforestation - induced climate change on maize and black bean in Venezuela
Article on assessing potential impacts of CO2 and deforestation induced climate change on maize and black bean in Venezuela.
Date:
1995
Creator:
Acevedo, Miguel F.; Jaimez, Ramón E.; Maytin, Carlos E.; Tonella, Giorgio & Harwell, Mark A.
Object Type:
Article
System:
The UNT Digital Library
Toxicological Case Study of Dallas' Central Wastewater Treatment Plant Effluent and Ambient Trinity River Samples: 1989, 1990, 1991
"This study was implemented voluntarily by personnel at Dallas Water Utilities in response to concerns that the Dallas Central Wastewater Treatment Plant was adversely affecting downstream water quality." The treatment plant was studied to determine whether it was "discharging toxic materials in toxic amounts to the Trinity River" (p. 1).
Date:
1991
Creator:
University of North Texas. Institute of Applied Sciences.
Object Type:
Book
System:
The UNT Digital Library
A Water Quality and Ecological Survey of the Trinity River, Volume 2
This volume of the report represents the technical findings of a study conducted on the ecological makeup of the Trinity River. The data presented includes: ambient toxicity test results and survival rates, United States Geological Survey (USGS) flow data, water quality data, as well as sediment quality data.
Date:
November 1989
Creator:
University of North Texas. Institute of Applied Sciences.
Object Type:
Report
System:
The UNT Digital Library
Pre-impoundment Environmental Study of Ray Roberts Lake
"This report presents the results of the pre-impoundment investigations" of Ray Roberts Lake. The purpose of the study is "to improve understanding of the impact of [U.S. Army Corps of Engineers] water resource projects, to provide the basis for evaluating the projects' effects on fish and wildlife resources, and to provide the opportunity for better planning and development of water resource projects and natural resource management" in the Lake Ray Roberts area, located in Denton County, Texas (p. 3).
Date:
May 1988
Creator:
University of North Texas. Institute of Applied Sciences.
Object Type:
Report
System:
The UNT Digital Library
Pre-impoundment Environmental Study of Ray Roberts Lake
"This report presents the results of the pre-impoundment investigations" of Ray Roberts Lake. The purpose of the study is "to improve understanding of the impact of [U.S. Army Corps of Engineers] water resource projects, to provide the basis for evaluating the projects' effects on fish and wildlife resources, and to provide the opportunity for better planning and development of water resource projects and natural resource management" in the Lake Ray Roberts area, located in Denton County, Texas (p. 3).
Date:
December 1987
Creator:
University of North Texas. Institute of Applied Sciences.
Object Type:
Book
System:
The UNT Digital Library
Aquatic Ecological Classification and Evaluation of Streams and Stream Reaches in the Upper Roanoke River Basin, Virginia
The purpose of this study is to "establish a data base and methodology for classifying...the streams of the Roanoke Basin into a hierarchy of ecological systems" and to "establish evaluative criteria and methodology for classifying and ranking streams within the ecological systems relative to their state of environmental quality" (p. R1).
Date:
March 30, 1979
Creator:
North Texas State University. Institute of Applied Sciences.
Object Type:
Report
System:
The UNT Digital Library