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The primary objectives of this study were twofold. The first was to configure an established public domain particle trajectory model (General NOAA Oceanographic Modeling Environment – GNOME) (NOAA Hazardous Materials Response and Assessment Division – web site) location file representing the oceanographic settings surrounding the Aleutian Chain and use it to numerically explore the threat of disabled ships grounding on or near sensitive environmental habitats.The products of this phase of the study will be a working model of the region, loaded with approximately three years of realistic potential scenarios, and a large data base archive of greater then 3 million “pseudo ship” trajectories each of 7 days duration....
Accidental introductions of rodents present one of the greatest threats to indigenous island biota. On uninhabited remote islands, such introductions are most likely to come from shipwrecks. Here we use a comprehensive database of shipwrecks in Western Alaska to model the frequency of shipwrecks per Aleutian and Bering Sea island, taken as a proxy for the likelihood of rodent introductions, using physical variables, and the intensity of nearby fishing traffic and activity as predictors. Using data spanning from 1950 to 20114, we found that shipwrecks were particularly common in the 1980s to early 2000s, with a major peak in wrecks during the late 1980s. Amount of fishing activity within 5 km of an island was the...
Northwest Boreal Landscape Conservation Cooperative (NWB LCC) partners are working to collectively design a sustainable future for the people, cultures, and ecosystems in the region. To begin this difficult task, the partners asked for a review and synthesis of existing natural resource management plans, covering both countries and all four states, provinces and territories. The NWB LCC Steering Committee believes that it is important to both be in alignment with current goals and objectives for land and resources, and to build on the work already completed by agencies, organizations and research institutions. The review summarized and synthesized 120 management plan goals within the NWB LCC geography. Goals and...
Categories: Data,
Project;
Tags: LAND MANAGEMENT,
LAND MANAGEMENT,
LCC Network Science Catalog,
Project,
Report,
Boreal ecosystems are inherently dynamic and continually change over decades to millennia. The braided rivers that shape the valleys and wetlands continually change course, creating and removing vast wetlands and peatlands. Glacial melt, erosion, fires, permafrost dynamics, and wind-blown loess are among the shaping forces of the landscape. As a result, species interactions and ecosystem processes are shifting across time. The purpose of this book is to create a resource for regional land and resource managers and researchers by synthesizing the latest research on the (1) historical/current status of landscape-scale drivers (including anthropogenic activities) and ecosystem processes, (2) future projected changes...
Categories: Data,
Project;
Tags: Academics & scientific researchers,
CLIMATE INDICATORS,
Conservation Design,
Conservation NGOs,
Conservation Planning,
When climate change disrupts a village, city, state, or province, how do leaders respond? What unexpected obstacles do they run into? Researchers from the University of Saskatchewan want to know what factors are conducive to communities adapting to climate change. They also want to better characterize exactly what impedes progress. The team is investigating different models of adaptation ranging from top-down government planning to grassroots organization. Specifically, the team will compare communities in Yukon Territory and Alaska to show how different jurisdictions respond to change. They’re developing a framework to provide communities and planners new tools to chart their future. The team is beginning by identifying...
Categories: Data,
Project;
Tags: Academics & scientific researchers,
CONSERVATION,
Conservation NGOs,
Decision Support,
Informing Conservation Delivery,
The geodiversity approach uses topography to define landscape features. Topography can be a proxy for ecological function. For example, topography influences the solar radiation available for plants and animals, the soil characteristics through the likelihood for erosion and deposition, and the characteristics of hydrologic features. Therefore, similar geodiversity types should have the potential for similar ecological function even as the climate changes. We classified the landscape into three topographic feature categories: canyons, ridges, and slopes. Each topographic feature was then clustered into distinct geodiversity types. Slopes were clustered into groups using elevation, slope angle, and yearly solar radiation....
In Alaska, changes in snow, ice, and weather, have resulted in risks to human lives, infrastructure damage, threats to valuable natural resources, and disruption of hunting, fishing, and livelihoods.Leaders from the Aleutians to the Chukchi Sea came together for a series of Coastal Resilience and Adaptation Workshops, spearheaded by three Landscape Conservation Cooperatives and the Aleutian Pribilof Islands Association. Tribal leaders, resource managers, community planners, and scientists explored strategies to adapt to these unprecedented changes.The workshop series brought together 14 Organizing Partners 34 Tribes, 15 State & Federal Agencies, and a total of more than 200 participants to meet in four regional...
Categories: Data,
Project;
Tags: Academics & scientific researchers,
CLIMATE ADVISORIES,
CLIMATE ADVISORIES,
CLIMATE INDICATORS,
CLIMATE INDICATORS,
Greenways and trails This layer is a draft landscapes indicator for use in a future version of the South Atlantic and Southeast Blueprints. It is an index that evaluates the natural condition and connected length of greenways and trails. Reason for Selection This indicator captures the recreational value and opportunities to connect with nature provided by greenways and trails. Greenways and trails provide many well-established social and economic benefits (ITRE 2018). Supplemental Legend Info Monitoring Approach Locations of greenways and trails are regularly updated through the open source database OpenStreetMap. Data on condition are updated every 5 years through the National Land Cover Database (NLCD). ...
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Downloadable,
Map Service;
Tags: Data,
Datasets/Database,
EARTH SCIENCE,
EARTH SCIENCE,
EARTH SCIENCE,
The Bureau of Land Management- Arctic Field Office has a requirement for coordinating research andmonitoring projects related to the effectiveness of stipulations and surface resource impacts in theNational Petroleum Reserve - Alaska. Yellow-billed Loons are among the least common breeding birdsin the mainland United States and the U.S. breeding population is concentrated largely within theNational Petroleum Reserve – Alaska (NPR-A). Interest in developing the oil and gas reserves withinNPR-A has increased within the last 10 years, along with a need for better information with which toprotect loon populations. Fundamental to protection strategies is a good understanding of distributionand abundance.In 2007, the...
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