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National Park Service Research Permit and Reporting System

Investigator’s Annual Reports (IAR) for Crater Lake National Park

The Investigator’s Annual Report is the process and database the National Park Service uses to document and track research accomplishments pertaining to natural resource and social science studies. We have copied all records for Crater Lake National Park to form this database.

Scientists issued a permit by the U.S. National Park Service (NPS) to conduct scientific research pertaining to natural resources or social sciences are required, as a condition of the permit, to provide an Investigator’s Annual Report (IAR). The IAR enables investigators to document the objectives and annual findings of the study and bibliographic references either resulting from the study or significantly related to the study.

There are not the actual research papers, but an overview of each permit, who and what it involved, and short descriptions of results.

*Subject categories include: Air Quality, Archaeology, Botany, Climatology, Ecology, Entomology, Environmental Monitoring, Fire, Fisheries Management, Forestry, Fungi, Geology, Herpetology, Hydrology, Limnology, Mammalogy, Management, Microbiology, Ornithology, Recreation, Sociology, Volcanology, Water Quality, Wildlife Management.

Also, we have removed specific address and contact information for the researchers for privacy. If you wish to see the contact information that is available in the original record you can search through the National Park Service’s Investigator’s Annual Reports database.

  1. 12685 – Botrychium pumicola Annual Inventory
  2. 12686 – Dutton Ridge Air Visibility Monitoring
  3. 12687 – Spotted Owl Inventory, Crater Lake National Park
  4. 12688 – Departure Analysis
  5. 12689 – Magma Chamber Evolution of Cascade Volcanoes
  6. 12690 – Plant materials for Crater Lake National Park Revegetation Project
  7. 12691 – Volcanic evolution of the Crater Lake Region
  8. 12692 – Tree Section Collection
  9. 12693 – Fire Monitoring Plots
  10. 12694 – RAWS Installation
  11. 12695 – Origin of the Magma Chamber Under Mount Mazama
  12. 12696 – Trail impact monitoring
  13. 12697 – North American Truffling Society Foray
  14. 12698 – Establishment and Defense of the Cascade Range Forest Reserve
  15. 12699 – Fine Particulate Monitoring
  16. 12700 – Volcanic Breccias: Evaluation of Fragment and Deposit Origins
  17. 12701 – Developing a Resource Database for Crater Lake
  18. 12702 – U.S. Geological Survey-Hydrologic Benchmark Station
  19. 12703 – Visibility Monitoring
  20. 12704 – Treespade Transplanting Trails
  21. 12705 – A survey of the aquatic macroinvertebrates
  22. 12706 – Ecology of kokanee salmon and rainbow trout
  23. 12707 – Limnological Studies of Crater Lake
  24. 12708 – Particle fluxes in Crater lake and their relationship to nutrient cycling
  25. 12709 – Studies of hydrothermal processes in Crater Lake, Oregon
  26. 12710 – Effects of Climate on Physical and Chemical Characteristics of Crater Lake
  27. 12711- Collection of Representative Rocks from Crater Lake
  28. 12712 – Research Spotted Owl Distribution
  29. 12713 – What Price Expansion? Dams Versus the National Park Concept
  30. 12714 – Administrative History of John Day Fossil Beds National Monument
  31. 12715 – Plant Materials for Crater Lake National Park Revegetation Project
  32. 12716 – Volcanic Breccias: Evaluation
  33. 12717 – Reserved Water Rights Claim Preparation for the Klamath Basin Adjudication
  34. 12718 – Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017
  35. 12719 – A Proposed Gas-Volcanic Solution To the Crater Lake, Oregon Collapse Structure
  36. 12720 – Volcanic Evolution of the Crater Lake Region
  37. 12721 – Bull Trout Restoration in Crater Lake National Park, Oregon
  38. 12722 – Ecology of Kokanee Salmon and Rainbow Trout
  39. 12723 – Fungi Inventory of Crater Lake National Park
  40. 12724 – Hydrologic Studies
  41. 12725 – Limnological Studies of Crater Lake
  42. 12726 – Crater Lake National Park 10-year Limnological Studies Final Report
  43. 12727 – A Population Survey for the Rare Sedge Carex Whitneyi at Crater Lake National Park
  44. 12728 – National Benchmark Station
  45. 12729 – PSD Increment Tracking
  46. 12730 – Prescribed Fire
  47. 12731 – Fire Monitoring Plots
  48. 12732 – Hazardous Fuel Pile and Burn
  49. 12733 – Preparation for Klamath River Basin Adjudication
  50. 12734 – Volcanic Evolution of the Crater Lake Region
  51. 12735 – Fine Particulate Monitoring
  52. 12736 – Plant Materials for Crater Lake National Park Revegetation Project
  53. 12737 – Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon
  54. 12738 – Bull Trout Restoration in Crater Lake National Park, Oregon
  55. 12739 – Amphibian Survey in Crater Lake National Park
  56. 12740 – Longterm Limnological Monitoring
  57. 12741 – A population survey for the rare sedge Carex whitneyi at Crater Lake National Park
  58. 12742 – National Benchmark Station, Collection of Basic Records
  59. 12743 – PSD Increment tracking
  60. 12744 – Prescribed Fire
  61. 12745 – Fire Monitoring Plots
  62. 12746 – Hazardous Fuel Pile and Burn
  63. 12747 – Preparation for Klamath River Basin Adjudication
  64. 12748 – Volcanic Evolution of the Crater Lake Region
  65. 12749 – Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017
  66. 12750 – Plant Materials for Crater Lake National Park Revegetation Project
  67. 12751 – Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon
  68. 12752 – Bull Trout Restoration in Crater Lake National Park, Oregon
  69. 12753 – Amphibian Survey in Crater Lake National Park
  70. 12754 – Longterm Limnological Monitoring
  71. 12755 – Conservation Biology of the Mt. Mazama Collomia
  72. 12756 – Checklist of Plants of Crater Lake National Park
  73. 12757 – Spotted Owl Inventory
  74. 12758 – Crater Lake National Park Vegetation Mapping
  75. 12759 – Fire Monitoring Plots
  76. 12760 – Hazardous Fuel Pile and Burn
  77. 12761 – Prescribed Fire
  78. 12762 – Volcanic Evolution of the Crater Lake Region
  79. 12763 – Spotted Owl Inventory
  80. 12764 – Conservation Biology of the Mt. Mazama Collomia
  81. 12765 – Amphibian Survey in Crater Lake National Park
  82. 12766 – Bull Trout Restoration in Crater Lake National Park, Oregon
  83. 12767 – Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon
  84. 12768 – Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017
  85. 12769 – Crater Lake National Park Vegetation Mapping
  86. 12770 – PSD Increment tracking
  87. 12771 – Plant Materials for Crater Lake National Park Revegetation Project
  88. 12772 – Longterm Limnological Monitoring
  89. 12773 – Botrychium pumicola Annual Inventory
  90. 12774 – National Benchmark Station, Collection of Basic Records
  91. 12775 – A population survey for the rare sedge Carex whitneyi at Crater Lake National Park
  92. 12776 – Checklist of Plants of Crater Lake National Park
  93. 12777 – Fire Monitoring Plots
  94. 12778 – Hazardous Fuel Pile and Burn
  95. 12779 – Management Ignited Fire
  96. 12780 – Volcanic Evolution of the Crater Lake Region
  97. 12781 – Restoration Strategies for Collomia mazama-Phase II
  98. 12782 – Conservation Biology of the Mt. Mazama Collomia
  99. 12783 – Bull Trout Restoration in Crater Lake National Park, Oregon
  100. 12784 – Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon
  101. 12785 – Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017
  102. 12786 – Crater Lake National Park Vegetation Mapping
  103. 12787 – Survey of the hydra (coelenterata) in Crater Lake
  104. 12788 – Climate Change and Lower Food Web Structure in Lake Ecosystems
  105. 12789 – PSD Increment tracking
  106. 12790 – Federal Highway Admin HQ-Rim Revegetation Project
  107. 12791- Revegetation Lodge Landscape
  108. 12792 – Ecology of Pumice Desert
  109. 12793 – Longterm Limnological Monitoring
  110. 12794 – Crater Lake Tributaries Flow Assessment
  111. 12795 – Northern Spotted Owl Inventory
  112. 12796 – Botrychium pumicola Monitoring Project at Llao Rock (5th year)
  113. 12797 – Preparation for Klamath River Basin Adjudication
  114. 12798 – National Benchmark Station, Collection of Basic Records
  115. 12799 – Hydrothermal Convection in Cascade Volcanoes-Magma Migration in Cascade Volcanoes
  116. 12800 – Phylogenetics and Speciation in a Daphnia pulex Species Complex
  117. 12801 – Restoration strategies for Collomia mazama – phase II
  118. 12802 – The use of camera bait stations to detect fisher and wolverine in Crater Lake National Park
  119. 12803 – Fire Monitoring Plots
  120. 12804 – Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon
  121. 12785 – Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017
  122. 12786 – Crater Lake National Park Vegetation Mapping
  123. 12787 – Survey of the hydra (coelenterata) in Crater Lake
  124. 12788 – Climate Change and Lower Food Web Structure in Lake Ecosystems
  125. 12789 – PSD Increment tracking
  126. 12790 – Federal Highway Admin HQ-Rim Revegetation Project
  127. 12791 – Revegetation Lodge Landscape
  128. 12792 – Ecology of Pumice Desert
  129. 12793 – Longterm Limnological Monitoring
  130. 12794 – Crater Lake Tributaries Flow Assessment
  131. 12795 – Northern Spotted Owl Inventory
  132. 12796 – Botrychium pumicola Monitoring Project at Llao Rock (5th year)
  133. 12797 – Preparation for Klamath River Basin Adjudication
  134. 12798 – National Benchmark Station, Collection of Basic Records
  135. 12799 – Hydrothermal Convection in Cascade Volcanoes-Magma Migration in Cascade Volcanoes
  136. 12800 – Phylogenetics and Speciation in a Daphnia pulex Species Complex
  137. 12801 – Restoration strategies for Collomia mazama – phase II
  138. 12802 – The use of camera bait stations to detect fisher and wolverine in Crater Lake National Park
  139. 12803 – Fire Monitoring Plots
  140. 12804 – Hazardous Fuel Pile and Burn
  141. 12805 – Management Ignited Fire
  142. 12806 – Volcanic Evolution of the Crater Lake Region
  143. 12807 – Restoration Strategies for Collomia mazama-Phase II
  144. 12808 – Ecology of Asarum species
  145. 12809 – Physical Characteristics of the Cleetwood Air-fall Tephra
  146. 12810 – Conservation Biology of the Mt. Mazama Collomia
  147. 12811 – Bull Trout Restoration in Crater Lake National Park, Oregon
  148. 12812 – Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon
  149. 12813 – Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017
  150. 12814 – Crater Lake National Park Vegetation Mapping
  151. 12815 – Survey of the hydra (coelenterata) in Crater Lake
  152. 12816 – Climate Change and Lower Food Web Structure in Lake Ecosystems
  153. 12817 – Federal Highway Admin HQ-Rim Revegetation Project
  154. 12818 – Revegetation Lodge Landscape
  155. 12819 – Potential for hybridization and gene flow in an isolated population of Penstemon (Scrophulariaceae)
  156. 12820 – Nutrient study of Crater Lake
  157. 12821 – Ecology of Pumice Desert
  158. 12822 – Survey of Freshwater Ostracoda (Crustacea) in Crater Lake National Park
  159. 12823 – 1997 EMAP Oregon Pilot Survey
  160. 12824 – Longterm Limnological Monitoring
  161. 12825 – Crater Lake Tributaries Flow Assessment
  162. 12826 – Archeological Excavation of Bear Creek Cave
  163. 12827 – Survey Fort Klamath-Union Creek military wagon road within boundaries of Park
  164. 12828 – Botrychium pumicola Monitoring Project at Llao Rock (5th year)
  165. 12829 – Preparation for Klamath River Basin Adjudication
  166. 12830 – National Benchmark Station, Collection of Basic Records
  167. 12831 – Northern Spotted Owl Inventory
  168. 12832 – Scenic Images of Crater Lake National Park: A Focus Group Analysis
  169. 12833 – Hydrothermal Convection in Cascade Volcanoes-Magma Migration in Cascade Volcanoes
  170. 12834 – Phylogenetics and Speciation in a Daphnia pulex Species Complex
  171. 12835 – Hybridization in an isolated population: an example from Penstemon (Scrophulariaceae)
  172. 12836 – FIA/FHM Inventory of eastern Oregon’s timberlands
  173. 12837 – Educational Research for Elementary School Science
  174. 12838 – Trace element partitioning coefficients for feldspar in high-silica rhyolite
  175. 12839 – Volcanic Evolution of the Crater Lake Region
  176. 12840 – Restoration Strategies for Collomia mazama-Phase II
  177. 12841 – Inventory of Native Bumblebees of Crater Lake
  178. 12842 – Source constraints for growth of continental arcs based on Re-Os isotope fractionation
  179. 12843 – Bull Trout Restoration in Crater Lake National Park, Oregon
  180. 12844 – Inventory of Native Bumblebees of Crater Lake
  181. 12845 – Magma migration and Hydrothermal Convection in High Cascade volcanoes
  182. 12846 – Volcanic Evolution of the Crater Lake Region
  183. 12847 – Stable Isotopic Study of Sulfur Degassing during the Eruption of Mt. Mazama
  184. 12848 – Examination of the factors promoting hybridization between Penstemon davidsonii and P. rupicola
  185. 12849 – Soil Survey of Crater Lake National Park
  186. 12850 – Multi-spectral Thermal Imager (MTI)
  187. 20572 – Calibration of the (U-Th)/He geochronometer by analysis of the Mt. Mazama ash flow
  188. 20805 – USEPA’s Environmental Monitoring and Assessment Program (EMAP)
  189. 21365 – Conduit processes of the Cleetwood eruption, inferred from textural, petrologic, and water content analyses
  190. 21726 – Forestry inventory and Analysis
  191. 21728 – Seasonal effects of prescribed fire at Crater lake
  192. 22081 – Transport of Asiatic Aerosols into Crater Lake National Park
  193. 22333 – Assessment of Sensitive Amphibians in Southwest Oregon (State – Federal Partnership)
  194. 23891 – The Generation of Post-Caldera Rhyodacite in Crater Lake, Oregon
  195. 24578 – Ecology of the Pumice Desert
  196. 24750 – Inventory of Amphibians and Reptiles Klamath Parks Network Inventory and Monitoring Program
  197. 24831 – Forestry inventory and Analysis
  198. 24892 – Territorial Interactions Between Species of Corvids
  199. 25031 – Intercontinental Transport and Chemical Transformation Experiment (ITCT)
  200. 25854 – Fire History of Whitebark Pine Forests Crater Lake, Mount Rainier, and North Cascades National Parks
  201. 26142 – Effects of Prescribed Burning on Mycorrhizal Fungi in Crater Lake National Park
  202. 27032 – Intercontinental Transport and Chemical Transformation Experiment (ITCT)
  203. 27732 – Small Mammal Inventories in Klamath Network
  204. 28174 – The role of western dwarf mistletoe in fire susceptibility and behavior in mature ponderosa pine stands
  205. 28176 – The role of western dwarf mistletoe in fire susceptibility and behavior in mature ponderosa pine stands
  206. 28845 – Forestry inventory and Analysis
  207. 28949 – Seasonal Effects of Prescribed Fire on Ponderosa Pine
  208. 29581 – Soil Characterization for 2006 International Soil Science Society
  209. 29629 – REVSYS: A Holistic Approach to a Holarctic Group
  210. 29969 – Effects of Prescribed Burning on Mycorrhizal Fungi in Crater Lake National Park
  211. 30792 – Distribution and abundance of bat species in Crater Lake and others
  212. 31048 – Crater Lake NP Winter Wolverine Survey 2004 – 2005
  213. 32052 – Bryophyte Survey and Inventory in the Crater Lake Caldera
  214. 32134 – The role of western dwarf mistletoe in fire susceptibility and behavior in mature ponderosa pine stands
  215. 32344 – Patterns and consequences of insect herbivory in Lupinus lepidus at Crater Lake National Park
  216. 32739 – Intercontinental Transport and Chemical Transformation Experiment (ITCT)
  217. 33788 – Spatial, Temporal and Depth Distribution of Snow Properties in the Crater Lake Snowpack
  218. 34486 – Forest Inventory and Analysis
  219. 35198 – Crater Lake NP Winter Wolverine Survey 2004 – 2005
  220. 35203 – Fire History of Whitebark Pine Forests Crater Lake, Mount Rainier, and North Cascades National Parks
  221. 35760 – Distribution and relative abundance of bat species in Crater Lake National Park and others
  222. 35832 – Western Airborne Contaminants Assessment Project
  223. 35873 – 2005 Crater Lake NP Rangeland Ecological Site Description Data Collection
  224. 35944 – The Evolution of Reproductive Isolation in Mimulus
  225. 36142 – Evolution of color patterns in garter snakes

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