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  • PLS 131: Identification and Ecology of Grasses

    2.00 Credits
    University of California-Davis

    Lecture-7.5 hours; laboratory-20 hours; discussion? hours. Prerequisite: Biological Sciences 1C or course 2; Plant Biology 102 and junior standing recommended. Taxonomy and identification of western grasses. Development of skills in using plant identification keys. Ecology and evolution of grasses in grazing ecosystems. Given the week following spring quarter. Not open for credit to students who have completed Agricultural Management and Rangeland Resources 131. (Former course Agricultural Management and Rangeland Resources 131.) Offered in alternate years.-III. Rice
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  • PLS 134: Comparative Ecology of Major Rangeland Systems

    3.00 Credits
    University of California-Davis

    Lecture-3 hours. Prerequisite: course 130 or the equivalent; Environmental Science and Policy 100 recommended. Study of vegetation structure, composition, and succession in North American rangeland communities. Description and comparison of interactions between vegetation and grazing animals on grassland, desert, forested, and tundra rangelands. Discussion of current rangeland management strategies. One mandatory Saturday field trip. Not open for credit to students who have completed Agricultural Management and Rangeland Resources 134. (Former course Agricultural Management and Rangeland Resources 134.)
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  • PLS 135: Ecology and Community Structure of Grassland and Savannah Herbivores

    3.00 Credits
    University of California-Davis

    Lecture-3 hours. Prerequisite: Biological Sciences 1A or 1B and course 2, or Biological Sciences 1C; general ecology course (Environmental Science and Policy 100) recommended. Feeding ecology of grassland herbivores and its importance in evolution of herbivore communities and social systems. Optimal foraging, interspecific interactions, and primary productivity are considered as factors structuring natural and managed grassland and savannah systems. Not open for credit to students who have completed Agricultural Management and Rangeland Resources 135. (Former course Agricultural Management and Rangeland Resources 135.)-(I.) Demment
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  • PLS 14: Introduction to Current Topics in Plant Biology

    4.00 Credits
    University of California-Davis

    Discussion-3 hours; term paper. Introduction to scientific methods and current understanding of genetics, metabolism, and cellular structure in plants, with special emphasis on topics related to societal issues, such as herbal medicines and genetically modified organisms. Designed for students not specializing in biology. Not open for credit to students who have completed Plant Biology 11. GE Credit: SciEng, Wri.-I. (I.) Inoue
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  • PLS 141: Ethnobotany

    4.00 Credits
    University of California-Davis

    Lecture-3 hours; laboratory/discussion-2 hours.Prerequisite: course 2, Biological Sciences 1C or 2C. Relationships and interactions between plants and people, including human perceptions, management, and uses of plants, influences of plants on human cultures, and effects of human activity on plant ecology and evolution. Concepts, questions, methods, and ethical considerations in ethnobotanical research. Not open for credit to students who have completed Plant Biology 141. (Former course Plant Biology 141.) Offered in alternate years. GE Credit: SciEng, SocSci, Wri.-II. Potter
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  • PLS 142: Ecology of Crop Systems

    4.00 Credits
    University of California-Davis

    Lecture-3 hours; discussion-1 hour. Prerequisite:Plant Sciences 2 or Biological Sciences 1C or 2C; Mathematics 16A or Physics 1A, or consent of instructor. Ecological processes governing the structure and behavior of managed ecosystems. Emphasis on mechanistic and systems views of the physical environment, photosynthetic productivity, competition, adaptation, nutrient cycling, energy relations and contemporary issues such as climate change. Not open for credit to students who have completed Plant Biology 142. (Former course Plant Biology 142.) GE Credit: SciEng.-II. (II.) Bloom
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  • PLS 144: Trees and Forests

    4.00 Credits
    University of California-Davis

    Lecture-3 hours; discussion-1 hour. Prerequisite:course 2 or Biological Sciences 1C or 2C. Biological structure and function of trees as organisms; understanding of forests as communities and as ecosystems; use of forests by humans; tree phenology, photosynthesis, respiration, soil processes, life histories, dormancy, forest biodiversity, and agroforestry. Not open for credit to students who have completed Plant Biology 144 or Environmental Horticulture 144. (Former course Plant Biology/Environmental Horticulture 144.) (Same course as Environmental and Resource Sciences 144).-I. (I.) Bledsoe, Berry, Rice
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  • PLS 145: Sierra Nevada Flora

    3.00 Credits
    University of California-Davis

    Lecture/laboratory-3 hours; fieldwork-5 hours.Prerequisite: Plant Biology 102 or 108 or Evolution and Ecology 121 or Environmental Horticulture 105. An introduction to the flora of the Sierra Nevada. Basic plant identification, the principal plant communities and species of the Sierra Nevada. Class offered the first two weeks in July in the Sierra Nevada. Offered in alternate years. Not open for credit to students who have completed Plant Biology 145. (Former course Plant Biology 145.)-III. Ronald
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  • PLS 146: Rhizosphere Ecology

    3.00 Credits
    University of California-Davis

    Lecture-3 hours. Prerequisite: upper division standing and either course 2, Biological Sciences 1C, or 2C or equivalent. Effects of the root-zone ecosystem on plant growth, soil formation, and agricultural sustainability. Evolution and modification of the organismic, biochemical, and genetic bases of rhizosphere ecology. Not open for credit to students who have completed Plant Biology 146 (Former course Plant Biology 146.) Offered in alternate years.-(III.) Phillips
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  • PLS 150: Sustainability and Agroecosystem Management

    4.00 Credits
    University of California-Davis

    Lecture-3 hours; laboratory-3 hours. Prerequisite:Soil Science 10, Chemistry 2A, and course 2, Biological Sciences 1C or 2C. Interdisciplinary analysis of agricultural production and food systems with primary emphasis on biophysical processes. General concepts governing the functioning of temperate and tropical agroecosystems in relation to resource availability, ecological sustainability, and socio-economic viability. Comparative ecological analyses of agroecosystems. Not open for credit to students who have completed Agricultural Management and Rangeland Resources 150. (Former course Agricultural Management and Rangeland Resources 150.)-III. (III.) Six
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