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Detecting and Mapping Mountain Pine Beetle Red-attack Damage with SPOT-5 10-m Multispectral Imagery
The mountain pine beetle (Dendroctonus ponderosae Hopkins) is the most destructive insect of mature pine forests in western North America. From a forest management perspective, estimates of the location and extent of mountain pine beetle red-attack are critical; however, the degree of precision required for these estimates varies according to the management objective under consideration and the nature of the mountain pine beetle infestation. This report describes a study to explore the potential of single-date SPOT multispectral imagery to detect and map mountain pine beetle red-attack damage in an area with relatively low infestation levels using an automated classification procedure. In doing so, issues unique to SPOT, and the potential offered by the higher spatial resolution of SPOT compared with Landsat, could be identified. The viability of SPOT as an alternative data source to Landsat could then be assessed.
Working Paper, Monitoring Tree-level Insect Population Dynamics with Multi-scale and Multi-source Remote Sensing
Long-term monitoring of the rate of change of mountain pine beetle (Dendroctonus ponderosae Hopkins) populations requires detailed tree-level information over large areas. This information is used to assess the status of an infestation (e.g., increasing, stable, or decreasing), and to select and evaluate mitigation approaches. In this research project, the authors develop and demonstrate a prototype monitoring system, which enables the extrapolation of tree-level estimates of beetle damage from field data to a larger study area using a double sampling approach, and multi-scale, multi-source, high spatial resolution remotely sensed data. The project study area encompasses over 6 million ha and is located at the leading edge of an ongoing mountain pine beetle epidemic along the provincial border between British Columbia and Alberta, within the Dawson Creek Timber Supply Area (TSA) of British Columbia and the Northwest Boreal Forest Management Unit in Alberta.--Document.
Wilder Girls
An instant New York Times bestseller, Wilder Girls is Rory Power's chilling and unputdownable YA debut. The Power meets We Were Liars in this compelling story of survival and the power of female friendships, perfect for fans of A Good Girl's Guide to Murder. 'Body horror meets boarding school in a moving, terrifying thriller' – Guardian Everyone loses something to the Tox; Hetty lost her eye, Reese's hand has changed, and Byatt just disappeared completely. It’s been eighteen months since the Raxter School for Girls was put in quarantine. The Tox turned the students strange and savage, the teachers died off one by one. Cut off from the mainland, the girls don’t dare wander past the scho...
Calculating Risk of Mountain Pine Beetle Attack
This study is part of a series of research papers that explore the biological, social, and economic aspects of British Columbia's mountain pine beetle epidemic. The objective of this study is to compare two different approaches for calculating beetle pressure, and to assess the impact these approaches have on the subsequent calculation of risk ratings. To meet this objective, beetle pressure was calculated using the traditional distance-based model, as well as using an alternative density-based model, implemented with a Voronoi tessellation generated from helicopter-GPS point survey data of known beetle infestation locations.--Includes text from document.
Little House on the Prairie
The third book in Laura Ingalls Wilder's treasured Little House series—now available as an ebook! This digital version features Garth Williams's classic illustrations, which appear in vibrant full color on a full-color device and in rich black-and-white on all other devices. The adventures continue for Laura Ingalls and her family as they leave their little house in the Big Woods of Wisconsin and set out for the big skies of the Kansas Territory. They travel for many days in their covered wagon until they find the best spot to build their house. Soon they are planting and plowing, hunting wild ducks and turkeys, and gathering grass for their cows. Just when they begin to feel settled, they are caught in the middle of a dangerous conflict. The nine Little House books are inspired by Laura's own childhood and have been cherished by generations of readers as both a unique glimpse into America's frontier history and as heartwarming, unforgettable stories.
The City Record
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The GEO Handbook on Biodiversity Observation Networks
Biodiversity observation systems are almost everywhere inadequate to meet local, national and international (treaty) obligations. As a result of alarmingly rapid declines in biodiversity in the modern era, there is a strong, worldwide desire to upgrade our monitoring systems, but little clarity on what is actually needed and how it can be assembled from the elements which are already present. This book intends to provide practical guidance to broadly-defined biodiversity observation networks at all scales, but predominantly the national scale and higher. This is a practical how-to book with substantial policy relevance. It will mostly be used by technical specialists with a responsibility for biodiversity monitoring to establish and refine their systems. It is written at a technical level, but one that is not discipline-bound: it should be intelligible to anyone in the broad field with a tertiary education.
