Preliminary Findings Towards The Use Of Lidar And Digital Aerial Imagery As Sampling Tools To Characterize Volume Killed By Mountain Pine Beetle
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| Author | : Christopher William Bater |
| Publisher | : |
| Total Pages | : 20 |
| Release | : 2010 |
| Genre | : Nature |
| ISBN | : |
This working paper presents a prototype model to estimate the amount of lodgepole pine affected by a mountain pine beetle (MPB) attack. After employing digital aerial image interpretation to determine species composition, diameter at breast height (DBH), and the severity of attack, and lidar data to measure stand height, species-specific equations were used to estimate volumes killed.--Document.
| Author | : |
| Publisher | : |
| Total Pages | : 12 |
| Release | : 2010-04 |
| Genre | : Forests and forestry |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 136 |
| Release | : 1989 |
| Genre | : |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 300 |
| Release | : 1989 |
| Genre | : Astronautics in earth sciences |
| ISBN | : |
A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International Aerospace Abstracts (IAA)
| Author | : Robert E. Keane |
| Publisher | : |
| Total Pages | : 50 |
| Release | : 2007 |
| Genre | : Coarse woody debris |
| ISBN | : |
Fire managers need better estimates of fuel loading so they can more accurately predict the potential fire behavior and effects of alternative fuel and ecosystem restoration treatments. This report presents a new fuel sampling method, called the photoload sampling technique, to quickly and accurately estimate loadings for six common surface fuel components (1 hr, 10 hr, 100 hr, and 1000 hr downed dead woody, shrub, and herbaceous fuels). This technique involves visually comparing fuel conditions in the field with photoload sequences to estimate fuel loadings. Photoload sequences are a series of downward-looking and close-up oblique photographs depicting a sequence of graduated fuel loadings of synthetic fuelbeds for each of the six fuel components. This report contains a set of photoload sequences that describe the range of fuel component loadings for common forest conditions in the northern Rocky Mountains of Montana, USA to estimate fuel loading in the field. A companion publication (RMRS-RP-61CD) details the methods used to create the photoload sequences and presents a comprehensive evaluation of the technique.
| Author | : George S. Puritch |
| Publisher | : Canadian Forestry Service |
| Total Pages | : 48 |
| Release | : 1981 |
| Genre | : Forests and forestry |
| ISBN | : |
| Author | : Jerry Johnson |
| Publisher | : Rowman & Littlefield |
| Total Pages | : 185 |
| Release | : 2010-06-16 |
| Genre | : Nature |
| ISBN | : 1589795229 |
Visitors to Yellowstone National Park are drawn to the spectacular scenery, unique thermal features, and the large numbers of wild animals easily observed in their natural habitat. The thoughtful visitor to the park cannot help but be captivated by the unparalleled breadth of scientific knowledge needed to understand the intricate interrelationships that make up the yellowstone landscape. Knowing Yellowstone explores how scientists discover what they know about America's first national park and the surrounding lands. The chapter authors are scientists who represent the best of their fields of study. The science they describe is leading the way to our understanding of complex ecosystems worldwide.
| Author | : Bo Guang Zhao |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 486 |
| Release | : 2008-09-27 |
| Genre | : Technology & Engineering |
| ISBN | : 4431756558 |
Pine forests face a global threat of pine wilt disease, which is being spread by vector beetles carrying pathogenic nematodes from dead trees to healthy ones. Among the host pines there are varying degrees of susceptibility, and nematode strains also contain a variety of virulences, both of which factors help to determine whether infected host trees will die or survive. As well, biotic and abiotic environmental factors influence the fate of infected trees. This book describes the history of the disease, pathogenic nematodes, vector beetles, the etiology and ecology of the disease, microorganisms involved, and control methods that utilize host resistance and biological control agents. Concrete, comprehensive, and the most up-to-date knowledge about this worldwide forest epidemic is presented for readers, enabling them to understand the nature and epidemic threat of pine wilt disease.
| Author | : William E. Waters |
| Publisher | : Wiley-Interscience |
| Total Pages | : 288 |
| Release | : 1985 |
| Genre | : Nature |
| ISBN | : |
A comprehensive treatment of discrete insect-host forest ecosystems and current knowledge and technology for managing the insects and associated destructive agents as an integral part of the forest resource management. The book presents the scope and complexity of planning and decision-making for managing major pests of forests in which a wide range of economic, social, political and aesthetic values are involved.
| Author | : Ingard Clausen |
| Publisher | : |
| Total Pages | : 260 |
| Release | : 2012 |
| Genre | : Astronautics, Military |
| ISBN | : |
Overview: Provides a history of the Corona Satellite photo reconnaissance Program. It was a joint Central Intelligence Agency and United States Air Force program in the 1960s. It was then highly classified.
