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The Alaska Reference Database originated as the standalone Alaska Fire Effects Reference Database, a ProCite reference database maintained by former BLM-Alaska Fire Service Fire Ecologist Randi Jandt. It was expanded under a Joint Fire Science Program grant for the FIREHouse project (The Northwest and Alaska Fire Research Clearinghouse). It is now maintained by the Alaska Fire Science Consortium and FRAMES, and is hosted through the FRAMES Resource Catalog. The database provides a listing of fire research publications relevant to Alaska and a venue for sharing unpublished agency reports and works in progress that are not normally found in the published literature.

Displaying 901 - 925 of 14905

Rorig
The objective of this work is to incorporate existing weather predictions into fire preparedness and planning by forecasting the risk of dry thunderstorms. This has been done by analyzing precipitation, upper-air, and lightning strike data to generate a rule that will be used to…
Year: 2005
Type: Document
Source: FRAMES

Nitschke
The emulation of natural disturbances is seen by many as an important management paradigm for achieving sustainable ecosystem management. To successfully emulate natural disturbances, managers must first have an understanding of the complex interactions that occur to the…
Year: 2005
Type: Document
Source: FRAMES, TTRS

Nilsson, Niklasson, Hedin, Aronsson, Gutowski, Linder, Ljungberg, Mikusinski, Rainus
We recorded and reviewed densities and basal areas of large living and dead trees in old-growth forest in Europe. Recorded densities were similar to those reported from old-growth forests in eastern North America, but lower than in northwestern North America. Based on our…
Year: 2002
Type: Document
Source: FRAMES

Nilsson, Zackrisson, Sterner, Wallstedt
The purpose of the study was to characterize the relative competitive and phytotoxic potential of 2 closely related dwarf-shrub species, Empetrum nigrum and E. hermaphroditum, which form clones in a mosaic pattern in post-fire successions of the boreal forest of northern Sweden…
Year: 2000
Type: Document
Source: FRAMES

Nikolov, Zeller
Canopy leaf area index (LAI) is an important structural parameter of the vegetation controlling pollutant uptake by terrestrial ecosystems. This paper presents a computationally efficient algorithm for retrieval of vegetation LAI and canopy clumping factor from satellite data…
Year: 2006
Type: Document
Source: FRAMES

Nguyen-Xuan, Bergeron, Simard, Fyles, Paré
The nonvascular (lichens and bryophytes) and vascular plant composition of the early regenerating vegetation present following wildfires and clear-cut logging has been compared separately in three areas of the black spruce (Picea mariana)/feathermoss (Pleurozium schreberi)…
Year: 2000
Type: Document
Source: FRAMES

Nelson
In previous descriptions of wind-slope interaction and the spread rate of wildland fires it is assumed that the separate effects of wind and slope are independent and additive and that corrections for these effects may be applied to spread rates computed from existing rate of…
Year: 2002
Type: Document
Source: FRAMES, TTRS

Nelson
Several methods are available for estimating the moisture content of 10-h response time fuels in the U.S. National Fire Danger Rating System (NFDRS). These fuels are represented by an array of four 1.27 cm diameter ponderosa pine (Pinus ponderosa Dougl. ex Laws.) dowels weighing…
Year: 2000
Type: Document
Source: FRAMES

Neiland
Major vegetational, environmental, and peat accumulation patterns were studied in the forest-bog complex of southeast Alaska. Attention was directed to three levels of vegetational pattern: (1) the community type level, with forest, bog, and intermediate types being recognized…
Year: 1971
Type: Document
Source: FRAMES

Neff, Harden, Gleixner
Boreal ecosystems contain a substantial fraction of the earth's soil carbon stores and are prone to frequent and severe wildfires. In this study, we examine changes in element and organic matter stocks due to a 1999 wildfire in Alaska. One year after the wildfire, burned soils…
Year: 2005
Type: Document
Source: FRAMES, TTRS

Neary, Klopatek, DeBano, Ffolliott
The overall effects of fire on ecosystems are complex, ranging from the reduction or elimination of aboveground biomass to impacts on belowground physical, chemical and microbial mediated processes. Since a key component of overall ecosystem sustainability occurs belowground,…
Year: 1999
Type: Document
Source: FRAMES, TTRS

Nazimova, Polikarpov, Sukhinin, Uskova, Fedotova
Details are given of a study covering part of south-central Siberia (52-56 degrees N and 89-97 degrees E). Eight different altitudinal-zonal elements (i. e. forest vegetation zones) are defined between steppe (240-260 m altitude) and subalpine tundra/taiga (1600-1800 m altitude…
Year: 2001
Type: Document
Source: FRAMES

Nash, Johnson
The coupling of synoptic scale weather conditions with local scale weather and fuel conditions was examined for 2551 fires and 1,537,624 lightning strikes for the May-August fire seasons in 1988, 1989, 1992, and 1993 in Alberta and Saskatchewan. The probability of lightning fire…
Year: 1996
Type: Document
Source: FRAMES

Nappi, Drapeau, Giroux, Savard
We studied snag use for foraging by Black-backed Woodpeckers (Picoides arcticus) one year after a fire in an eastern black spruce (Picea mariana) boreal forest in Quebec, Canada. We searched for signs of foraging (bark flaking and excavation holes) by Black-backed Woodpeckers on…
Year: 2003
Type: Document
Source: FRAMES

Nance, Hobbs, Radke, Ward
Airborne measurements of several gaseous and particulate chemical species were obtained in the emissions from a wildfire that burned in an old black spruce forest in Alaska during the summer of 1990 [Fire A121 in Yukon Flats]. The relative proportions of most of the measured…
Year: 1993
Type: Document
Source: FRAMES

Namroud, Tremblay, Bergeron
Two sites that burned in 1847 (H) and 1823 (I) in the mixedwood boreal forest in Quebec were selected to follow aspen genetic and clonal diversity over time. At each site, three cohorts were identified by core dating, and about 30 trees per cohort were randomly selected to…
Year: 2005
Type: Document
Source: FRAMES

Nalder, Wein
We examined the long-term dynamics of upland boreal forest floors after disturbance by fire. We selected two important and contrasting upland tree species, Pinus banksiana (jack pine) and Populus tremuloides (trembling aspen), in three distinct climatic zones across the boreal…
Year: 1999
Type: Document
Source: FRAMES

Nalder, Wein, Alexander, de Groot
The quantity of dead and downed woody fuels in forests is commonly estimated using the line intersect method of sampling. Determination of the mass of wood per unit area for each size class requires values for the mean specific gravity, piece tilt angle and piece diameter. We…
Year: 1999
Type: Document
Source: FRAMES

Nalder, Wein
We described an effective and inexpensive device for sampling forest floors. It is based on a rechargeable, battery-powered drill that drives a sharpened steel coring tube. The corer is simple to fabricate, is lightweight (3.5 kg) and can be used easily by one person to obtain…
Year: 1998
Type: Document
Source: FRAMES

Nalder, Wein, Alexander, de Groot
Dead and downed woody fuels in forests are commonly estimated using the line intersect method, which requires appropriate values for specific gravity, piece tilt angle, and piece diameter. We present data for these variables for six commercially important tree species based on…
Year: 1997
Type: Document
Source: FRAMES

Nalder, Merriam
The development of forests in Pukaskwa National Park, Ontario, Canada, was simulated over 150 years to investigate boreal carbon dynamics and to test the feasibility of simulating large tracts of heterogeneous boreal forest. Pukaskwa National Park, located on the north shore of…
Year: 1995
Type: Document
Source: FRAMES

Nakano, Takeuchi, Inoue, Fukuda, Yasuoka
Temporal variations in methane (CH4) exchange between the soil and the atmosphere during a period of 3 years after a forest fire were estimated by combining field measurements of CH4 flux with an analysis of satellite images. The study area was located in a boreal peat swamp…
Year: 2006
Type: Document
Source: FRAMES

Turetsky, Harden, Friedli, Flannigan, Payne, Crock, Radke
With climate change rapidly affecting northern forests and wetlands, mercury reserves once protected in cold, wet soils are being exposed to burning, likely triggering large releases of mercury to the atmosphere. We quantify organic soil mercury stocks and burn areas across…
Year: 2006
Type: Document
Source: FRAMES

Tsvetkov, Prokushkin, Sorokin, Kaverzina, Sorokina, Tsvetkova
The impact of surface fires on the thermal and trophic conditions of forest soils is studied in burnt areas of larch (Larix gmelinii) forest in the northern taiga zone of central Siberia. The duration of the regeneration period on burnt areas is also examined and viability of…
Year: 1998
Type: Document
Source: FRAMES