1 edition of Effects of a range of biomass removals on long-term productivity of jack pine ecosystems found in the catalog.
Effects of a range of biomass removals on long-term productivity of jack pine ecosystems
|Statement||M.D. Tenhagen . . . [et al.].|
|Series||Information report -- O-X-454., Information report (Great Lakes Forestry Centre) -- O-X-454.|
|Contributions||Tenhagen, M. D., Great Lakes Forestry Centre.|
|The Physical Object|
|Pagination||11,  p. :|
|Number of Pages||13|
The concept of biomass is important. It is a general principle that the further removed a trophic level is from its source (detritus or producer), the less biomass it will contain (biomass here would refer to the combined weight of all the organisms in the trophic level). This reduction in biomass occurs for several reasons. The outcome is in the assumptions: analyzing the effects on atmospheric CO2 levels of increased use of bioenergy from forest biomass BJART HOLTSMARK Statistics Norway, PO Box Dep, Oslo, N, Norway Abstract Recently, several studies have quantiﬁed the effects on atmospheric CO 2 concentration of an increased harvest level in forests. long-term consequences on the soil resource and environmental quality. The linear increase in biomass production also removes large amounts of nutrients per acre. It is estimated that in there were lbs/A of nitrogen (N) removed in the grain and lbs/A of N removed in the corn stover. The removal of nutrients in biomass for. The cost of transporting biomass 50– km is estimated to range from $12–$46 per tonne. For distances greater than km, transport alone may represent more than 50% of total costs. Factors affecting the going price of biomass residues include. plant growth rates.
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Get this from a library. Effects of a range of biomass removals on long-term productivity of jack pine ecosystems: establishment report. [M D Tenhagen; Great Lakes Forestry Centre.;]. Long-term effects of biomass removal on soil mesofaunal communities in northeastern Ontario (Canada) jack pine (Pinus banksiana) stands Article in Forest Ecology and Management February Intensified forest biomass utilisation causes export of substantial amounts of nutrients from the forest ecosystem.
Compared to conventional stems-only harvesting, the most intensive biomass sce nario causes increases in nutrient exports of up to times whereas the biomass export increases only up to 2 times (Stupak et al. a).Cited by: Effects of a range of biomass removals on long-term productivity of jack pine ecosystems: establishment report.
Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario, Inf. Rep. O-XCited by: The extensive export of nutrients related to intensive biomass extraction have for many years caused concern for the long-term fertility of the system among forest.
Like coal and nuclear plants, biomass plants may disrupt local water sources. Water use at a biomass plant ranges betw gallons per megawatt-hour. This water is released back into the source at a higher temperature, disrupting the local ecosystem. The nutrient runoff from energy crops can also harm local water resources as.
Ecological impacts of woody biomass harvesting on aspen ecosystems MFRC Meeting Novem Research Questions 1. Do different levels of woody biomass harvesting have long-term effects on saproxylic animal and fungal communities, forest regeneration & long-term productivity Loamy soils b Sandy soils Clay soils a a b b b a b a.
forest types and depended on the nature of the treatment, as well as time since treatment. Biomass removal decreased ﬁre potential in the short term, but results were mixed over the long term. Keywords: ﬁre hazard, fuel treatment, whole Cited by: ecosystems have a ___ of productivity pyramid of productivity beause energy transfer from one level t next is inefficient.
biomass production is highest at lowest end. In auqatic ecosytems productivity is highest. Impacts of woody biomass harvesting on saproxylic communities, nutrient availability, and productivity in aspen ecosystems Anthony D’Amato, Charles Blinn, John Bradford, Nick Brazee, Miranda Curzon, Shawn Fraver, Paul Medium term impacts on tree regeneration and soils –results from a Long term Site Productivity Study ANOVA results.
Our understanding of nutrient limitations to jack pine (Pinus banksiana Lamb.) growth is lacking across the Lake States of the USA (Michigan, Wisconsin and Minnesota), where this species makes up an important forest cover type on nutrient poor sands.
Currently this cover type is managed using whole-tree harvesting (WTH) across large areas of state and federal Cited by: 1. Nutrient Removals in Woody Biomass: Preliminary Estimates from the Sub-Boreal Spruce Long-Term Soil Productivity Study Introduction The Long-Term Soil Productivity (LTSP) Study (Min-istry of Forests E.P.
) seeks to understand the long-term impacts of organic matter removals and soil compaction on tree growth and other ecosystem proc. The Long-Term Soil Productivity (LTSP) Study (Ministry of Forests E.P) seeks to understand the long-term impacts of organic matter removals and soil compaction on tree growth and other ecosystem processes (Powers et al.,).
The core LTSP experimental design includes 3 levels of organic matter removal: OM1: merchantable boles only. "The control of biomass burning, particularly during permanent deforestation, is a near-certain long-term method of slowing global warming, despite.
revealing long-term health effects due to early-childhood and pre-natal disease exposure and nutritional deficiencies (e.g., Maccini and Yang () and Bleakley ()). In large part the lack of evidence of the short-term and long-term health effects of IAP is due to data deficiencies.
Chapter 23 ~ Environmental Effects of Forestry Key Concepts. After completing this chapter, you will be able to: Explain how forest harvesting removes nutrient capital from the site.
Outline how forestry can damage aquatic ecosystems, and how many of those effects can be avoided. Describe how clear-cutting affects : Bill Freedman. Relationship Between Aboveground Biomass and Multiple Measures of Biodiversity in Subtropical Forest of Puerto Rico Heather D.
Vance-Chalcraft 1,5, Michael R. Willig 6, Stephen B. Cox2, Ariel E. Lugo3, and Frederick N. Scatena3,4 1 Ecology Program, Department of Biological Sciences and The Museum, Texas Tech University, Lubbock, TXU.S.A.
2 The Institute of. Biomass cropping systems have the potential to alter the ecosystem services provided by agricultural landscapes. Depending on crop type and management, strategic incorporation of biomass cropping systems into existing agricultural landscapes could enhance a range of ecosystem services while mitigating some by: the long term (Boyle et al.Mann et al.Federer et al.
Evidence of whole-tree harvest resulting in nutrient de-ﬁciency and subsequent decline in growth has been suggested by some studies (Sver-drup and RosenJoki-Heiskala et al. ), although the current evidence is lim-ited by both a lack of long-term studies and.
The main benefits of biomass are as follows: Biomass is a renewable energy source – The most obvious benefit of biomass energy is that biomass is renewable source of energy, meaning that it cannot be depleted like this is the case with fossil fuels.
Biomass mostly derives from plants and plants are needed to support life on this planet. Lovell RD, Jarvis SC, Bardgett RD () Soil microbial biomass and activity in long-term grassland: effects of management changes. Soil Biol Biochem – CrossRef Google Scholar Makarov MI, Glaser B, Malysheva TI, Bulatnikova IV, Volkov AV () Nitrogen dynamics in alpine ecosystems of the northern by: this initiative.
Harvest of woody biomass is often integrated with traditional forest operations, so it can be difficult to isolate effects of woody biomass removals at a site level.
As such, it is important to consider retention of woody biomass during all harvest activities and to emphasize post-harvest site condition rather than theFile Size: 4MB. Net productivity, based on maximum–minimum biomass, ranged from to gm −2 yr −1 to a 20‐cm depth, with minima ranging from 40 to g/m 2 and maxima from to g/m 2, according to location.
There was no evidence that grazing Cited by: Q. and A.: Woody Biomass, Pros and Cons. By Tom Zeller Jr. is the timing and magnitude of these effects.
Energy and environmental policymakers will need to carefully weigh these short- and long-term trade-offs of biomass energy development.
All the headlines miss the details and therefore serve to misinform rather than inform the public. The long-term effects of logging residue removal on forest floor nutrient capital, foliar chemistry and growth of a Norway spruce stand. Biomass Bioenergy35, – [Google Scholar] Egnell, G.
Effects of slash and stump harvesting after final felling on stand and site productivity in Scots pine and Norway spruce. For. : Arnis Jurevics, Matthias Peichl, Gustaf Egnell. Start studying Chapter Ecosystems. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Search. The amount of chemical energy in consumers' food that is converted to their own new biomass during a given time period. long term ecological research.
done to monitor ecosystems over time. critical load. LETTER The relationship between tree biodiversity and biomass dynamics changes with tropical forest succession Jesse R. Lasky,1,2* Marıa Uriarte,2 Vanessa K. Boukili,3 David L. Erickson, 4W.
John Kress and Robin L. Chazdon3 Abstract Theory predicts shifts in the magnitude and direction of biodiversity effects on ecosystem function. A recent population survey study from India indicates that adult women living in households using biomass and solid fuels have a significantly higher risk of asthma than those living in households using cleaner fuels (OR: ; 95%CI: –; p), even after controlling for the effects of a number of potentially confounding by: toemployment in the biomass industry grew at an average rate of percent annually and today biomass accounts for percent of the total electricity generated in the United States.
2,3 The influence of biomass on the. “In the early ’s there was a growing concern that high levels of biomass removal would deplete these ecosystems of vital nutrients and organic matter and negatively impact the long-term health of forests—that is what fueled this research,” said Deborah Page-Dumroese, lead scientist on the study from the U.S.
Forest Service Rocky. Total aboveground biomass removed between and from our measured plots was Mg, which equates to a yield of Mg ha −1 year −1 (SE = Mg ha −1 year −1) across the study area, and the total annual dry urban wood waste biomass yield is estimated at 24, dw Mg year −1 (i.e.
48, Mg year −1 of green biomass). The highest amount of total tree Cited by: Thick smoke from biomass burning does not necessarily cause health problems for everyone exposed to it. Most healthy people recover quickly from exposure to smoke and do not suffer long-term effects.
There are a number of factors that determine whether exposure to smoke results in health problems: the concentrations of the air pollutants, the.
Biomass: Comparison of Definitions in Legislation Congressional Research Service 2 Legislative History The term biomass was first used by Congress in the Powerplant and Industrial Fuel Use Act of (P.L. ), where it was referred to as a. University of Montana ScholarWorks at University of Montana Graduate Student Theses, Dissertations, & Professional Papers Graduate School Consequences of Cited by: 2.
Research on the biomass and productivity of Fitzroya has previously been conducted only in the southern portion of the Coastal Range at Chiloé Island [9,10].
Reported values of aboveground NPP there varied between and Mg dry biomass ha -1 year -1, with large differences in terms of wood productivity; between and Mg ha -1 year. Direct and indirect effects of site disturbance (biomass removal, residue reduction, cultivation, weed control) on nutrient reserves and site productivity (biomass, litter, soil) are assessed.
Over a yr rotation on infertile sands in southern Australia, the combined N loss from whole-tree logging and a hot autumn burn was estimated at nearly.
invest heavily in biomass energy without long-term sourcing policies against burning whole trees, large-scale use of whole trees for energy production will create a growing demand for.
Chapter 1 Rise of Blacklight. Blacklight has spread far and wide. Every single living thing on Earth, from the largest of organisms to the smallest bacteria had been consumed. Even viruses, such as Redlight, had fallen to the ever expanding flesh of Blacklight.
Blacklight's mass covered nearly all of Earth's surface. Changes in biomass and production over 53 years in a coastal Picea sitchensis - Tsuga heterophylla forest approaching maturity P. HARCOMBE Department of Ecology and Evolutionary Biology, Rice University, Houston, TXU.S.A.
Woody Biomass for Energy Introduction Forests and woody crops are a source of energy through the conversion of woody biomass into convenient solid, liquid or gaseous fuels to provide energy for industrial, commercial or domestic use.
Already biomass provides about 11% of the world’s primary energy supplies. About 55% of the 4 billion m3 of. biomass, for public buildings and business districts. These communities lie in the Northern Superior Up-lands, a landscape dominated by fire-dependent for-ests and woodlands. The red and white pine forests of the past were largely cut down by the early s.
Today, they have been replaced by jack pine forests.UNESCO – EOLSS SAMPLE CHAPTERS INTERACTIONS: ENERGY/ENVIRONMENT – Environmental Effects of Energy from Biomass and Municipal Wastes - N.
H. Ravindranath, K. Usha Rao ©Encyclopedia of Life Support Systems (EOLSS) potential of non CO2 GHGs, such as CO, CH4 and non methane hydro-carbons, could be in the range of % as much as that File Size: KB.The low energy density means that the costs of fuel collection and transportation can quickly outweigh the value of the fuel.
Biomass fuels are typically consumed on-site or transported short distances only (e.g., less than 50 miles).
Biomass fuels tend to have a high moisture content, which adds weight and increases the cost of transportation.