ERS 402 Range Habitat Inventory. (4) S
Vegetation sampling and inventory as related to animal-habitat relations. Lecture, lab, 1 weekend field trip. Prerequisites: CSE 180, ERS 350, 360, department major, or instructor approval.
ERS 407 Range Plants and Habitats. (4) F
The distribution, ecological characteristics, identification of key plants, and values of habitats on western rangelands. Laboratory emphasis on grass identification. Lecture, lab. Prerequisite: BOT 370 or equivalent.
ERS 410 Wildlife Habitat Relations. (3) N
Interactions among animal populations and their habitat. Systems simulation of population dynamics as influenced by competition and management strategies. Lecture, 1 weekend field trip. Prerequisite: ERS 360.
ERS 420 Range Habitat Improvements. (3) S
Techniques of restoration ecology applied for the improvement of arid and semiarid rangelands with associated riparian habitats. Weekend field trips. Prerequisite: ERS 360.
ERS 425 Soil Classification and Management. (3) N
Principles of soil genesis, morphology, and classification. Management and conservation practices will be presented. Prerequisite: ERS 325.
ERS 433 Riparian Ecosystem Management. (3) N
Examination of the functions and components that make up riparian ecosystems and the management of these ecosystems. Lecture, field trip. Prerequisite: ERS 325 or instructor approval.
ERS 446 Soil Fertility. (3) S
Ability of soils to retain and supply plant nutrients. Reactions of fertilizers in soils. Prerequisites: ERS 325, 326.
ERS 448 Soil Ecology. (3) N
Soils viewed in an ecosystem context, soil-plant relationships, nutrient budgets, and abiotic factors that influence soil processes. Prerequisites: BIO 320 and ERS 325 and 326 or instructor approval.
ERS 452 Soil, Water, and Irrigation. (3) N
Water measurement, conveyance, and conservation, with emphasis on crop production and soil-plant water relations. Prerequisite: ERS 325.
ERS 460 Applied Systems Ecology. (3) N
The systems approach applied to analysis and management of natural resource ecosystems. Use of simulation models. Prerequisites: ERS 350 or equivalent; 1 course in ecology.
ERS 470 Land Reclamation. (3) N
Problems of reestablishing vegetation on disturbed sites. Special revegetation techniques, surface modifications, and government regulations. 1 weekend field trip. Prerequisites: ERS 407 and 420 and 446 and 448 or instructor approval.
ERS 475 Wildlife and Range Animal Management. (3) S
Principles and techniques for management of domestic and nondomestic animals using rangeland ecosystems. Emphasis on practical applications of management. Weekend field trips. Prerequisite: instructor approval.
ERS 480 Natural Resource Planning. (3) S
Planning for management and conservation of wildland ecosystems. Ecological, economic, and social constraints on long-term sustainable resource development. Computer tools for resource planning. Lecture, 1 weekend field trip. Prerequisites: ERS 402 or equivalent; senior standing.
ERS 485 GIS in Natural Resources. (3) F
Principles of Geographic Information Systems (GIS) utilized in natural resource management. Use of computers for spatial analysis of natural resources. Lecture, lab. Prerequisite: CSE 180 or equivalent.
ERS 486 Remote Sensing in Environmental Resources. (4) S
Principles and application of remote sensing technologies in natural resource management. Integration of computerized data from aerial photography and LanSat imagery in resource management. Lecture, lab. Prerequisite: ERS 485 or equivalent.
ERS 490 Recent Advances in Environmental Resources. (1) N
Current literature and significant developments involving environmental resources. May be repeated for credit.
ERS 540 Plant Responses to Environmental Stresses. (3) N
Reaction of plants to environmental stresses; herbivores, fire, pesticides, mechanical treatments, aerial pollutants, and soil amendments. 1 weekend field trip. Prerequisites: BOT 360 and ERS 420 or instructor approval.
ERS 548 Plants, Soils, and Environmental Quality. (3) N
Effects of air quality on plants and soils, and their role in removing contaminants from the atmosphere. Prerequisite: ERS 325.
ERS 550 Vegetation Dynamics. (4) F
Dynamics of vegetation emphasizing concepts of ecological succession, applications of landscape ecology, and impacts of herbivory. Field trips required. Lecture, lab.
ERS 553 Advanced Animal Nutrition. (4) F
Metabolic and physiological interactions of nutrients in wild and domesticated animals consuming natural feeds. Lecture, lab.
ERS 560 Systems Ecology. (3) N
Quantitative description and mathematical modeling of ecosystem structure and function. Techniques for model construction and simulation. Lecture, lab. Prerequisites: ERS 350 or equivalent; computer programming; 6 hours in ecological studies.
Omnibus Graduate Courses: See omnibus graduate courses that may be offered.
1996–98 Graduate Catalog Table of Contents
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