There are two new sites, one in Cranleigh and the other in Farnham

The Chugach and Tongass National Forests are changing, possibly in response to global warming.

Earth's climate is changing, as evidenced by warming temperatures, increased temperature variability, fluctuating precipitation patterns, and climate-related environmental disturbances.

Higher global temperatures are changing ecosystems in the Arctic. They are becoming greener as the climate and land become more hospitable to taller vegetation.

Since 1960, the Forest Service has been guided by the multiple-use concept, which recognizes five major uses for public lands-timber, water, range, recreation, and fish and wildlife habitat-and mandates that all five should be equally considered in management plans.

Effectively addressing wildfire risk to communities on large multi-owner landscapes requires an understanding of the biophysical factors that influence risk, such as fuel loads, topography, and weather, and social factors such as the capacity and willingness for communities to engage in fire-mitigation activities.

Land use and climate change are two key factors with the potential to affect stream conditions and fish habitat. Since the 1950s, Washington and Oregon have required forest practices designed to mitigate the effects of timber harvest on streams and fish.

Martens are small forest carnivores associated with dense, mature forests.

In recent decades, dam removal has emerged as a viable national and international strategy for river restoration.

Alaska’s Arctic tundra is one of the most rapidly warming regions in the world. For years, scientists have been working to interpret the effects of its changing climate and determine what these changes may mean for the rest of the planet. Coarse-scale satellite imagery of much of this region shows the tundra is becoming greener. This has been widely attributed to shrub expansion.

Interest in landscape-scale approaches to fire management and forest restoration is growing with the realization that these approaches are critical to maintaining healthy forests and protecting nearby communities. However, coordinated planning and action across multiple ownerships have been elusive because of differing goals and forest management styles among landowners. Scientists with the Pacific Northwest Research Station and their colleagues recognized that working at the landscape scale requires integrating the biophysical, social, and economic dimensions of the problem, and this necessitates collecting new types of information and inventing new tools.

A balanced diet and regular exercise are fundamental for good health, and a daily dose of nature may be equally important. Nearly 40 years of research has demonstrated that “metro nature”—nature found in urban environments, such as parks or tree-lined streets—provides positive and measurable health benefits and improves people’s quality of life.

Resource managers have long mapped biophysical forest data. Often lacking, however, is relevant social science data for understanding the variety of human needs a given landscape fulfills.

Air quality is a critical issue affecting the health of billions of people worldwide, yet often little is known about what is in the air we breathe. To reduce air pollution’s health impacts, pollution sources must first be reliably identified. Otherwise, it is impossible to design and effectively enforce environmental standards. However, urban networks of air quality monitors are often too widely spaced to identify the sources of air pollutants, especially for pollutants that do not disperse far from their sources. Developing high-resolution pollution maps with data from these widely spaced monitors is problematic.

Millions of people head to federal lands every year for recreation—891 million visits in 2016 alone. These visits have significant economic implications, not only for restaurants, resorts, outfitters, and other businesses near recreation sites, but also for the people actually participating in outdoor recreation.

Accurate measurements of natural resources are a prerequisite for resource assessment. Demetrios Gatziolis, a scientist with the USDA Forest Service Pacific Northwest Research Station, and his colleagues with Washington State University developed and tested protocols for using structure-from-motion photogrammetry to obtain data that can be used to construct 3-dimensional (3-D) representations of trees, other vegetation, and down wood. This type of photogrammetry is a remote-sensing technique based on a sequence of digital images or video footage. Gatziolis and his colleagues focused on developing protocols for using it under the forest canopy. Their method can serve as a guide for others interested in obtaining inexpensive, precise 3-D data of trees in field plots. The researchers continue to perfect the technology so it can be reliably deployed by field crews with a minimal amount of training.

Principal findings of the National Fire and Fire Surrogate (FFS) study are presented in an annotated bibliography and summarized in tabular form by site, discipline (ecosystem component), treatment type, and major theme. Composed of 12 sites, the FFS is a comprehensive multidisciplinary experiment designed to evaluate the costs and ecological consequences of alternative fuel reduction treatments in seasonally dry forests of the United States. The FFS has a common experimental design across the 12-site network, with each site a fully replicated experiment that compares four treatments: prescribed fi re, mechanical treatments, mechanical + prescribed fire, and an unmanipulated control. We measured treatment cost and variables within several components of the ecosystem, including vegetation, the fuel bed, soils, bark beetles, tree diseases, and wildlife in the same 10-ha experimental units. This design allowed us to assemble a fairly comprehensive picture of ecosystem response to treatment at the site scale, and to compare treatment response across a wide variety of conditions.

This publication describes the bird communities of major mainland rivers of southeast Alaska and is based on a review of all known relevant studies as well as recent fieldwork. We synthesized information on the composition, structure, and habitat relationships of bird communities at 11 major mainland rivers. Information on current management concerns and research needs are also included.

This guidebook describes The Island Research Natural Area, an 84-ha (208-ac) tract established to represent examples of the western juniper/big sagebrush/bluebunch wheatgrass (Juniperus occidentalis/Artemisia tridentata/Pseudoroegneria spicata), and the western juniper/big sagebrush-antelope bitterbrush/bluebunch wheatgrass (Juniperus occidentalis/Artemisia tridentata-Purshia tridentata/Pseudoroegneria spicata) plant associations.

This guidebook describes Horse Ridge Research Natural Area, a 243-ha (600-ac) tract established to represent an example of the western juniper/big sagebrush/ threadleaf sedge (Juniperus occidentalis/Artemisia tridentata/Carex filifolia) plant association.

The Malheur model for fire-caused delayed mortality is presented as an easily interpreted graph (mortality-probability calculator) as part of a one-page field guide that allows the user to determine postfire probability of mortality for ponderosa pine (Pinus ponderosa Dougl. ex Laws.).

Black spruce (Picea mariana (Mill) B.S.P) is the dominant forest cover type in interior Alaska and is prone to frequent, stand-replacing wildfires.

Over the past 30 years, the Pacific Northwest Interagency Natural Areas Committee has promoted the establishment and management of natural areas in Oregon and Washington--protected areas devoted to research, education, and conservation of biodiversity.

Two series of single and stereo photographs display a range of natural conditions and fuel loadings in post-hurricane forests in the southeastern United States. Each group of photos includes inventory information summarizing vegetation composition, structure and loading, woody material loading and density by size class, forest floor loading, and various site characteristics. The natural fuels photo series is designed to help land managers appraise fuel and vegetation conditions in natural settings.

We describe a food-based system for quantitatively evaluating habitat quality for deer called the Forage Resource Evaluation System for Habitat and provide its rationale and suggestions for use. The system was developed as a tool for wildlife biologists and other natural resource managers and planners interested in evaluating habitat quality and, especially, comparing two or more patches of habitat or the same patch at different seasons or under different conditions. It is based on the quantity (of biomass) and quality (digestible energy and digestible protein) of the habitat's food resources in relation to user-specified metabolic requirements of deer (which differ with species, age, sex, season, and reproductive status). It uses a linear programming algorithm to determine the suitable forage that can sustain deer at the specified requirements.

Tree Frog menu revised to have scrolling sub menu lists to save space.

A fluid layout with max/min width, header/footer and multiple percentage columns ALL reaching the footer using NO images.

A centered dropdown menu, using the latest centering technique, with flyout images

An update to one of my early gallery demonstrations to bring it up to date using the latest CSS techniques.

A photograph gallery with hover to show large images with linking to full size images or another page.

A dropline menu which uses sliding doors tabs for the top level and a horizontal scrolling dropline which has images and caption.

A CSS only method of hovering over a horizontal menu link to change the whole menu background image.

A simplified method of producing a centered dropdown and flyout menu with variable widths depending on text content.

A flyout version of the 'any width' dropdown menu.

A restyled version that allows dropdowns and flyouts to the left and right. Centered top level list and different color sub levels. Even works in IE5.5.

A second 'any width' flyout menu, this time with an over run area and gapping between menu items.

A dropdown menu that uses a table to hold the dropdown information.

After much searching of the web and with the arrival of IE8, I now have a method of positioning horizontal menus of unknown width left / center / right in the containing element.

A dropdown menu with any width sub menus and the option of left or right dropdown/flyouts.

A single level dropdown menu with multi-columns, headings and curved corners using sliding doors techniques for the dropdowns.

A photograph gallery using just html/css to switch the contents of an 'object' for browsers that understand and an iframe alternative for IE.

A single level dropdown anywidth menu with dropdown that are centered beneath the top level links.

A dropline anywidth menu with droplines that are centered beneath the top level links which are also centered.

A multi level dropdown flyout anywidth menu with dropdown and flyouts that are centered beneath the top level links, with the ability to have a left or right flyout.

A conversion of the horizontal scrolling gallery into a vertical version.

A mixed gallery using just html/css to switch the contents of an 'object'. The content can be text, images, shockwave/flash and quicktime movie.

A droplist menu with method of setting the number of columns in each list and the option of a full width bottom bar for extra linking.

A gallery using a horizontal scrolling filmstrip containing negative/positive thumbnails and landscape/portrait large images with show/hide descriptive text.

As promised, the previous filmstrip gallery rotated into a vertical format with a few enhancements.

A simple hover over thumbnail gallery with a zoom feature.