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Integrated Aquatic Community and Water National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science Integrated Aquatic Community and Water Quality Monitoring of Wadeable Streams in the Klamath Network – Annual Report 2011 results from Whiskeytown National Recreation Area and Lassen Volcanic National Park Natural Resource Technical Report NPS/KLMN/NRTR—2014/904 ON THE COVER Crystal Creek, Whiskeytown National Recreation Area Photograph by: Charles Stanley, Field Crew Leader Integrated Aquatic Community and Water Quality Monitoring of Wadeable Streams in the Klamath Network – Annual Report 2011 results from Whiskeytown National Recreation Area and Lassen Volcanic National Park Natural Resource Technical Report NPS/KLMN/NRTR—2014/904 Eric C. Dinger, and Daniel A. Sarr National Park Service 1250 Siskiyou Blvd Southern Oregon University Ashland, Oregon 97520 August 2014 U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Fort Collins, Colorado The National Park Service, Natural Resource Stewardship and Science office in Fort Collins, Colorado, publishes a range of reports that address natural resource topics. These reports are 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 Technical Report Series is used to disseminate results of scientific studies in the physical, biological, and social sciences for both the advancement of science and the achievement of the National Park Service mission. The series provides contributors with a forum for displaying comprehensive data that are often deleted from journals because of page limitations. 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 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 U.S. Government. This report is available in digital format from the Klamath Network Inventory and Monitoring website (http://science.nature.nps.gov/im/units/klmn/publications.cfm) and the Natural Resource Publications Management website (http://www.nature.nps.gov/publications/nrpm/). To receive this report in a format optimized for screen readers, please email [email protected]. Please cite this publication as: Dinger, E. C., and D. A. Sarr. 2014. Integrated aquatic community and water quality monitoring of wadeable streams in the Klamath Network – Annual report: 2011 results from Whisketytown National Recreation Area and Lassen Volcanic National Park. Natural Resource Technical Report NPS/KLMN/NRTR—2014/904. National Park Service, Fort Collins, Colorado. NPS 111/126205, 611/126205, August 2014 ii Contents Page Figures.................................................................................................................................................... v Tables ................................................................................................................................................... vii Appendices ............................................................................................................................................ ix Executive Summary .............................................................................................................................. xi Acknowledgments ...............................................................................................................................xiii Introduction ............................................................................................................................................ 1 Methods .................................................................................................................................................. 3 Site Selection .................................................................................................................................. 3 Site Layout ..................................................................................................................................... 3 Water Chemistry and Quality ......................................................................................................... 3 Stream Habitat/Riparian Corridor Characteristics .......................................................................... 5 Aquatic Communities ..................................................................................................................... 5 Condition Assessments ................................................................................................................... 6 Total Phosphorous ..................................................................................................................... 6 Total Nitrogen ........................................................................................................................... 6 Salinity ....................................................................................................................................... 7 Acid Neutralizing Capacity ....................................................................................................... 7 Streambed Stability (aka Relative Bed Stability) ...................................................................... 7 Habitat Complexity (aka Fish Cover or In-stream Habitat Cover) ........................................... 8 Riparian Vegetation Complexity ............................................................................................... 8 Riparian Disturbance ................................................................................................................. 8 Multi-Metric Indices (MMIs) .................................................................................................... 8 Condition Thresholds ................................................................................................................... 10 Additional Reporting .................................................................................................................... 10 Water Quality Exceedances ..................................................................................................... 11 iii Contents (continued) Page Results .................................................................................................................................................. 13 Whiskeytown National Recreation Area ...................................................................................... 13 Physical characteristics of Whiskeytown streams ................................................................... 15 Physical condition metrics of Whiskeytown streams .............................................................. 15 Chemical characteristics and condition estimates of Whiskeytown streams .......................... 19 Riparian characteristics of Whiskeytown streams ................................................................... 21 Vertebrate assemblage and condition of Whiskeytown streams ............................................. 21 Invertebrate assemblage and condition of Whiskeytown streams ........................................... 21 Lassen Volcanic National Park .................................................................................................... 25 Physical characteristics of Lassen Volcanic streams ............................................................... 29 Physical condition metrics of Lassen Volcanic streams .......................................................... 29 Chemical characteristics and condition estimates of Lassen Volcanic streams ...................... 33 Riparian characteristics of Lassen Volcanic streams .............................................................. 36 Vertebrate assemblage and condition of Lassen Volcanic streams ......................................... 36 Invertebrate assemblage and condition of Lassen Volcanic streams ...................................... 36 Discussion ............................................................................................................................................ 39 General Issues ............................................................................................................................... 39 Whiskeytown National Recreation Area ...................................................................................... 40 Lassen Volcanic National Park .................................................................................................... 43 Conclusions .......................................................................................................................................... 47 Literature Cited .................................................................................................................................... 49
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