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Abstract (from http://www.sciencedirect.com/science/article/pii/S0378112716308532): Across the western United States, the three primary drivers of tree mortality and carbon balance are bark beetles, timber harvest, and wildfire. While these agents of forest change frequently overlap, uncertainty remains regarding their interactions and influence on specific subsequent fire effects such as change in canopy cover. Acquisition of pre- and post-fire Light Detection and Ranging (LiDAR) data on the 2012 Pole Creek Fire in central Oregon provided an opportunity to isolate and quantify fire effects coincident with specific agents of change. This study characterizes the influence of pre-fire mountain pine beetle (MPB; Dendroctonus...
Abstract (from http://iopscience.iop.org/article/10.1088/1748-9326/aa6f94/meta): High temperatures and severe drought contributed to extensive tree mortality from fires and bark beetles during the 2000s in parts of the western continental United States. Several states in this region have greenhouse gas (GHG) emission targets and would benefit from information on the amount of carbon stored in tree biomass killed by disturbance. We quantified mean annual tree mortality from fires, bark beetles, and timber harvest from 2003–2012 for each state in this region. We estimated tree mortality from fires and beetles using tree aboveground carbon (AGC) stock and disturbance data sets derived largely from remote sensing. We...
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Spatially distributed snow depth and snow duration data were collected over two to four snow seasons during water years 2011-2014 in experimental forest plots within the Cedar River Municipal Watershed, 50 km east of Seattle, Washington, USA. These 40 m × 40 m forest plots, situated on the western slope of the Cascade Range, include un-thinned second-growth coniferous forest as control treatments, variable density thinned forests, forest gaps in which a 20 m diameter (approximately equivalent to one tree height) gap was cut in the middle of each plot, and old growth forest. Together, this publicly available dataset includes snow depth observations from manual snow courses, distributed snow duration observations...
The Northwest Climate Science Conference (NW CSC) annually brings together researchers and practitioners from around the Pacific Northwest to a conference to discuss scientific results, challenges, and solutions related to climate impacts on people, natural resources, and infrastructure in the region. The NW CSC's annual conference is the region's premier opportunity for a cross-disciplinary exchange of knowledge and ideas about regional climate, climate impacts, and climate adaptation science and practice. The conference also provides a forum for discussing emerging policy and management goals, objectives, and information needs related to regional climate impacts and adaptation. Conference participants include...
Abstract (from http://www.nature.com/nclimate/journal/v5/n9/full/nclimate2699.html): Contemporary climate change is causing large shifts in biotic distributions1, which has the potential to bring previously isolated, closely related species into contact2. This has led to concern that hybridization and competition could threaten species persistence3. Here, we use bioclimatic models to show that future range overlap by the end of the century is predicted for only 6.4% of isolated, congeneric species pairs of New World birds, mammals and amphibians. Projected rates of climate-induced overlap are higher for birds (11.6%) than for mammals (4.4%) or amphibians (3.6%). As many species will have difficulty tracking shifting...
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Conservation Success Index: Wild Trout – Interior Columbia River Basin The CSI – as originally developed - is an aggregate index comprised of four different component groups: Range-wide Condition; Population Integrity; Habitat Integrity; and Future Security. Each CSI group has five indicators that describe a specific component of each group. Each indicator is scored from 1 to 5 for each subwatershed, with a score of 1 indicating poor condition and a score of 5 indicating good condition. Indicator scores are then added to obtain the subwatershed condition for a Group, and Group scores are added for a CSI score for a subwatershed. CSI scores can then be summarized to obtain the general range of conditions within...
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This project identifies priority areas in the Columbia Plateau Ecoregion to implement conservation strategies for riverine and riparian habitat. This is tailored towards the Arid Lands Initiative (ALI) conservation goals and objectives, and provides the foundation for adaptation to a changing climate. This project adopts a “zoned” approach to identifying focal areas, connectivity management zones and zones for riparian habitat and ecological representation. Through a series of workshops and webinars, the ALI articulated its freshwater conservation goals and targets. Key aspects of these goals included: a focus on non-anadromous salmonid (salmon and steelhead) species, include riparian birds and waterfowl as key...
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The layers in this map service represent 4 different version of the final ALI Marxan model. Selection frequency layers show how often each hexagon was selected over 100 runs of a specific version. The "Best Solution" is not a perfect solution, but simply the best scoring solution out of 100 runs for each version.
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The Schitsu'umsh people (Coeur d’Alene Tribe of Idaho) have an intimate relationship with their landscape and a rich knowledge of how to interact with the environment in a way that benefits human, plant, and animal communities alike. Such knowledge and practices can provide valuable insight as to how tribal and non-tribal resource managers, communities, and governments can best respond to the effects of a changing climate. This project was a pilot effort to collect and translate indigenous knowledge and practices into shareable formats. Researchers developed documents, images, lesson plans, and innovative, interactive 3-D virtual reality simulations that effectively convey Schitsu’umsh knowledge and practices and...
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Wildfires are one of the greatest threats to human infrastructure and the ecosystem services humans value in the western US, but are also necessary in fire-adapted ecosystems. Wildfire activity is widely projected to increase in response to climate change in the Northwest, but we currently lack a comprehensive understanding of what this increase will look like or what its impacts will be on a variety of ecological and hydrologic systems. This project addressed one critical part of those impacts: the islands of unburned vegetation within wildfires. Unburned islands occur naturally as wildfires burn across landscapes, and are important habitat refuges for species -- places where plants and animals survive the fire...
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Daily snow depth values from the UW Snoqualmie Pass site. A timelapse camera and 3 snow depth poles were deployed at the forest plot during water year 2015. Manual snow stake observations were taken in the open plot. This comparison of snow depth between the open and forest uses the daily snow depth data observed with the snow stake, rounded to 5cm, compared to the average of all visible pole values in the forest (read by eye from photos), also rounded to 5 cm. These data have been processed, aggregated and rounded. Raw photographs of the forest poles are also available. UW_Snoqualmie_snow_camera Attributes: Site - Snoqualmie, Cover - Forest or open, WY - water year 2015, Date - yyyy-mm-dd, Method - snow...
Abstract (from ScienceDirect): Altered climate and changing fire regimes are synergistically impacting forest communities globally, resulting in deviations from historical norms and creation of novel successional dynamics. These changes are particularly important when considering the stability of a keystone species such as quaking aspen (Populus tremuloides Michx.), which contributes critical ecosystem services across its broad North American range. As a relatively drought intolerant species, projected changes of altered precipitation timing, amount, and type (e.g. snow or rain) may influence aspen response to fire, especially in moisture-limited and winter precipitation-dominated portions of its range. Aspen is...
When the Earth experiences changes in climate, wildlife respond by moving – species adjust their ranges to stay within climatically suitable habitat, moving out of areas that become too hot or otherwise inhospitable, and moving into areas that become newly hospitable. However, climate change is now proceeding so quickly that it is becoming difficult for species to move fast enough to keep pace. In addition, today’s landscapes feature significant barriers to wildlife movement due to human land use (e.g., highways, cities, agriculture). Such is the case in the region surrounding the border of Washington state, USA, and British Columbia, Canada, where increasing development pressure and limited coordination of land...
map background search result map search result map ALI Marxan Analysis Results WMS Disappearing Refugia: Identifying Trends and Resilience in Unburned Islands under Climate Change Collecting and Applying Schitsu’umsh Indigenous Knowledge and Practices to Climate Change Decision Making Approved Products Wild Trout - Interior Columbia Basin Observations of distributed snow depth and snow duration within diverse forest structures in a maritime mountain watershed Timelapse photos, locations, and associated metadata for Snoqualmie Pass, WA 2017 Spatial Conservation Priorities for Riverine and Riparian Systems In the Columbia Plateau Ecoregion Timelapse photos, locations, and associated metadata for Snoqualmie Pass, WA Observations of distributed snow depth and snow duration within diverse forest structures in a maritime mountain watershed ALI Marxan Analysis Results WMS 2017 Spatial Conservation Priorities for Riverine and Riparian Systems In the Columbia Plateau Ecoregion Collecting and Applying Schitsu’umsh Indigenous Knowledge and Practices to Climate Change Decision Making Wild Trout - Interior Columbia Basin Disappearing Refugia: Identifying Trends and Resilience in Unburned Islands under Climate Change