Protocol for Monitoring Forest Structure in National Parks of The
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National Park Service U.S. Department of the Interior Natural Resource Program Center Protocol for Ground-based Monitoring of Vegetation in the Southwest Alaska Network Natural Resource Report NPS/SWAN/NRR—2010/205 ON THE COVER Mid-elevation low shrub (Betula glandulosa) tundra, Lake Clark National Park & Preserve. Photograph by: Amy Miller Protocol for Ground-based Monitoring of Vegetation in the Southwest Alaska Network Natural Resource Report NPS/SWAN/NRR—2010/205 Amy E. Miller, William L. Thompson, Dorothy C. Mortenson, and Claudette Moore National Park Service Southwest Alaska Network 240 West 5th Avenue Anchorage, Alaska 99501 June 2010 U.S. Department of the Interior National Park Service Natural Resource Program Center Fort Collins, Colorado The National Park Service, Natural Resource Program Center publishes a range of reports that address natural resource topics of interest and applicability to a broad audience in the National Park Service and others in natural resource management, including scientists, conservation and environmental constituencies, and the public. The Natural Resource Report Series is used to disseminate high-priority, current natural resource management information with managerial application. The series targets a general, diverse audience, and may contain NPS policy considerations or address sensitive issues of management applicability. All manuscripts in the series receive the appropriate level of peer review to ensure that the information is scientifically credible, technically accurate, appropriately written for the intended audience, and designed and published in a professional manner. This report received formal peer review by subject-matter experts who were not directly involved in the collection, analysis, or reporting of the data, and whose background and expertise put them on par technically and scientifically with the authors of the information. Views, statements, findings, conclusions, recommendations, and data in this report are those of the author(s) and do not necessarily reflect views and policies of the National Park Service, U.S. Department of the Interior. Mention of trade names or commercial products does not constitute endorsement or recommendation for use by the National Park Service. This report is available from the Southwest Alaska Inventory & Monitoring Network website (http://science.nature.nps.gov/im/units/swan/index.cfm?theme=reports_pub) and the Natural Resource Publications Management website (http://www.nature.nps.gov/publications/NRPM). Please cite this publication as: Miller, A. E., W. L. Thompson, D. C. Mortenson, and C. Moore. 2010. Protocol for ground- based monitoring of vegetation in the Southwest Alaska Network. Natural Resource Report NPS/SWAN/NRR—2010/205. National Park Service, Fort Collins, Colorado. NPS 95/100370, June 2010 ii Contents Figures............................................................................................................................................. v Tables............................................................................................................................................. vi Appendices.................................................................................................................................... vii Acknowledgements......................................................................................................................viii 1 Background and Objectives ......................................................................................................... 1 1.1 Introduction........................................................................................................................... 1 1.2 Rationale for Monitoring Vegetation in SWAN parks ......................................................... 2 1.2.1. Management Concerns ..................................................................................................... 2 1.2.2. Rationale for Ground-based Monitoring.......................................................................... 3 1.3 Measurable Objectives.......................................................................................................... 4 2 Sampling Design.......................................................................................................................... 5 2.1 Rationale for Selecting this Sampling Design over Others .................................................. 5 2.1.1. Accessibility ...................................................................................................................... 7 2.1.2. Estimated Sample Size Required to Detect Change across all Vegetation Classes ......... 8 2.1.3. Constraining the Sample to Selected Vegetation Classes................................................. 9 2.2 Site Selection ...................................................................................................................... 13 2.3 Recommended Sample Size and Sampling Frequency....................................................... 13 2.4 Targeted Sampling in Sensitive Communities.................................................................... 18 2.5 Change Detection................................................................................................................ 19 3 Methods...................................................................................................................................... 19 3.1 Preparation for field season ................................................................................................ 20 3.1.1. Recruiting........................................................................................................................ 20 3.1.2. Logisitics, Data Uploads, and Preparation of Working Database................................. 21 3.1.3. Training........................................................................................................................... 21 3.2 Field methods...................................................................................................................... 21 3.2.1. Plot Layout...................................................................................................................... 21 3.2.2. Plot Descriptive Data ..................................................................................................... 22 3.2.3. Plot Photos...................................................................................................................... 22 3.2.4. Species Composition ....................................................................................................... 22 3.2.5. Tree Measurements......................................................................................................... 22 3.2.6. Coarse Woody Debris, Litter and Duff........................................................................... 24 3.3 End-of-season procedures................................................................................................... 25 3.3.1. Processing of Collections ............................................................................................... 25 3.3.2. Equipment Inventory....................................................................................................... 25 4 Data Processing, Analysis and Reporting.................................................................................. 25 4.1 Project Information Management Overview ...................................................................... 25 4.2 Database Design and Data Management ............................................................................ 25 4.2.1. Data Backups.................................................................................................................. 27 4.2.2. Data Verification ............................................................................................................ 27 4.2.3. Geospatial Data.............................................................................................................. 27 4.2.4. Metadata ......................................................................................................................... 27 4.3 Data Reduction and Analysis.............................................................................................. 27 4.3.1. Reporting and Product Development.............................................................................. 28 4.3.2. Records Management...................................................................................................... 28 iii 5 Operational Requirements ......................................................................................................... 28 5.1 Personnel Requirements and Qualifications ....................................................................... 28 5.2 Annual Workload and Field Schedule ................................................................................ 28 5.3 Facility and Equipment Needs............................................................................................ 28 5.4 Startup Costs and Budget Considerations........................................................................... 29 6 Literature Cited .......................................................................................................................... 30 iv Figures Figure 1. Parks of the Southwest Alaska Network ........................................................................ 1 Figure 2. Proposed plot locations in LACL ................................................................................