BIOLĀ 0016P. Ecology of Death Valley and Desert Ecosystems

Units: 2
Hours: 54 (27 lecture, 27 laboratory)
Field study that explores the unique desert ecosystems of Death Valley National Park and nearby areas. Extreme differences of elevation from high mountains to below sea level provide a rich variety of desert environments, plants, and animals. Field work emphasizes identification of animals and plants (many unique to these exotic desert habitats), their special physical and behavioral adaptations to the harsh desert climate and habitats, and the effects of human activities upon the fragile desert ecosystems. This class requires the ability to hike moderate distances on uneven ground. This class will involve camping in either developed campsites or in undeveloped wilderness areas. (CSU)

BIOL 0016P - Death Valley and Desert Ecosystems

http://catalog.sierracollege.edu/course-outlines/biol-0016p/

Catalog Description Hours: 54 (27 lecture, 27 laboratory) Description: Field study that explores the unique desert ecosystems of Death Valley National Park and nearby areas. Extreme differences of elevation from high mountains to below sea level provide a rich variety of desert environments, plants, and animals. Field work emphasizes identification of animals and plants (many unique to these exotic desert habitats), their special physical and behavioral adaptations to the harsh desert climate and habitats, and the effects of human activities upon the fragile desert ecosystems. This class requires the ability to hike moderate distances on uneven ground. This class will involve camping in either developed campsites or in undeveloped wilderness areas. (CSU) Course Student Learning Outcomes CSLO #1: Describe and evaluate the impacts of humans on the environments of Death Valley and other desert ecosystems. CSLO #2: Describe the ecological and geological principles that affect the natural ecosystems of Death Valley and other desert regions. CSLO #3: Explain the factors that have shaped the evolutionary adaptations of the organisms of Death Valley and other desert ecosystems. CSLO #4: Accurately document and interpret ecological observations made on a field trip to Death Valley and other desert ecosystems. Effective Term Fall 2022 Course Type Credit - Degree-applicable Contact Hours 54 Outside of Class Hours 54 Total Student Learning Hours 108 Course Objectives Course objectives are linked to items in the course content outline (parentheses) Lecture Objectives: 1. Evaluate the factors that have affected the formation of the ecosystems of Death Valley and other desert ecosystems. (Lecture Outline #1, #2, #5) 2. Apply ecological terminology to the description of the ecosystems of Death Valley and other desert regions. (Lecture Outline #1, #2, #4, #5) 3. Investigate the interactions that local organisms have with the biotic and abiotic factors of their ecosystems. (Lecture Outline #1, #2, #3, #4, #5) 4. Explain the role that geology plays in the formation and delineation of communities of Death Valley and other desert ecosystems. (Lecture Outline #3) 5. Analyze the past and present effects that humans have on ecosystems of Death Valley and other desert regions. (Lecture Outline #6) Laboratory Objectives: 1. Demonstrate the use of a taxonomic key or field guide to identify species. (Laboratory/Field Outline #1, #4) 2. Identify geological and hydrological features that impact the formation and function of communities in Death Valley and other desert ecosystems. (Laboratory/Field Outline #2, #3) 3. Investigate the interactions that local organisms have with the biotic and abiotic factors of their ecosystems. (Laboratory/Field Outline #1, #2, #3, #4) 4. Identify examples of human impacts on communities of Death Valley and other desert ecosystems. (Laboratory/Field Outline #4, #5) 5. Create a detailed field journal or summary report documenting the field experience. (Laboratory/Field Outline #6) General Education Information Approved College Associate Degree GE Applicability CSU GE Applicability (Recommended-requires CSU approval) Cal-GETC Applicability (Recommended - Requires External Approval) IGETC Applicability (Recommended-requires CSU/UC approval) Articulation Information CSU Transferable Methods of Evaluation Classroom Discussions Example: To address Course Lecture Objective #3, "Investigate the interactions that local organisms have with the biotic and abiotic factors of their ecosystems", students might take part in a classroom discussion about the major characteristics of representative species of plants and animals occurring in Death Valley or other desert ecosystems and their role in the ecosystem. Students could be evaluated based on participation, accuracy of information, and completeness of information. Projects Example: To address Course Lecture Objective #3, "Investigate the interactions that local organisms have with the biotic and abiotic factors of their ecosystems", students might complete a project, either individually or in groups, that includes researching the major characteristics of a species of plant or animal occurring in Death Valley or other desert ecosystems and its role in the ecosystem, compiling this information in written or graphical form, and sharing this information in an oral classroom presentation. Students could be evaluated based on the completeness of the project, participation in all aspects of the project, accuracy of information presented, and overall quality of the project. Reports Example: To address Course Lab Objective #5, "Create a detailed field journal or summary report documenting the field experience", students might be asked to write a report summarizing the ecosystems visited, geological and hydrological features observed, and species encountered. Students could be evaluated based on accuracy of information, attention to detail, and completeness of summary. Skill Demonstrations Example: To address Course Lab Objective #1, "Demonstrate the use of a taxonomic key or field guide to identify species", students might be asked to use a taxonomic key to correctly identify an organism. Students could be evaluated on the correctness of the answer, technique, and understanding of terminology in the key. Repeatable No Methods of Instruction Laboratory Lecture/Discussion Lab: To address Course Lab Objective #1, "Demonstrate the use of a taxonomic key or field guide to identify species", the instructor might lead the class in a demonstration of the use of a dichotomous key for a known specimen, and then guide students as they attempt the identification of an unknown specimen. To address Course Lab Objective "2, "Identify geological and hydrological features that impact the formation and function of communities in Death Valley and other desert ecosystems", the instructor might point out such key features in the field, making comparisons to other such features observed in the field or described in the classroom. Students will then make and record their own observations and comparisons. Lecture: To satisfy Course Lecture Objective #4, "Explain the role that geology plays in the formation and delineation of communities of Death Valley and other desert ecosystems", the instructor might present a lecture (supplemented by images and/or video) that explains the geological history of Death Valley and nearby desert areas (e.g. geologic uplift, tectonic plate movements, ice ages, etc.) and how it has influenced the development of soils and species assemblages. Students will then make and record their own observations of geological features. To satisfy Course Lecture Objective #5, "Analyze the past and present effects that humans have on ecosystems of Death Valley and other desert regions", the instructor might lead an in-class discussion about the historical impacts of humans on the region (e.g. mining, fire suppression, recreation, conservation, etc.). Typical Out of Class Assignments Reading Assignments 1. To address Course Lecture Objective #2, students might be asked to read a handout that describes basic ecological terminology or to read the Ecology unit from the OpenStax Biology online textbook and then apply this knowledge to descriptions of observations in the field. 2. To address Course Lecture Objective #3 and Course Lab Objective #3, students might be asked to review life history information for a Death Valley or other desert ecosystem species that is available in a field guide, handout, or a natural resource agency website and be prepared to discuss this in class. Writing, Problem Solving or Performance 1. To address Course Lecture Objective #4 and Course Lab Objective #2, students might be asked to write and/or prepare a short oral presentation about a geologic or hydrologic feature occurring in Death Valley or other desert ecosystem. 2. To address Course Lab Objective #5, students might be asked to document their observations in the field in a journal, using any combination of text, sketches, photos, and/or other media. Other (Term projects, research papers, portfolios, etc.) Required Materials Death Valley: Geology, Ecology, Archaeology Author: Charles B. Hunt Publisher: University of California Press Publication Date: 1976 Text Edition: 1st Classic Textbook?: OER Link: OER: The California Deserts: An Ecological Rediscovery Author: Pavlik Publisher: UC Press Publication Date: 2008 Text Edition: 1st Classic Textbook?: OER Link: OER: The Laws Guide to Nature Drawing and Journaling Author: Laws, John Muir Publisher: Heyday Books Publication Date: 2016 Text Edition: 1st Classic Textbook?: OER Link: OER: A Natural History of California Author: Schoennher Publisher: UC Press Publication Date: 2017 Text Edition: 2nd Classic Textbook?: OER Link: OER: Other materials and-or supplies required of students that contribute to the cost of the course.