storage volume for detention basins short cut method
Interactions Between Agroecosystems and Rural Communities - Chapter 5 pdf
... pressures to cut and clear could get out of hand and threaten the forest Thus, there is still substantial support for restrictions and the enforcement efforts of communal authorities Unfortunately, ... creating a fire hazard, and that reforestation efforts were below goals Instead of conducting forestry for the long-term health of the forest, the community’s hired forester directed logging on sawmill-quality ... Eds., Oxford University Press, New York, 1993, 397 © 2001 by CRC Press LLC Wexler, M B and Bray, D B., Reforming forests: from community forests to corporate forestry in Mexico, in Reforming...
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Báo cáo lâm nghiệp: "Amounts of throughfall and lysimetric water in a sub-mountain beech forest in the Kremnické vrchy Mts" ppt
... 103.6 208 J FOR SCI., 54, 2008 (5): 207–211 the two periods For the period of the first cutting, only little significant differences were found in the values observed on the same plot before and ... research performed in the years 1988–1991 and 2003–2006 we obtained an average value of 616.3 mm (79.8%) for throughfall on the open plot and 772.2 mm for throughfall on the clear -cut The total ... MATERIAL AND METHODS We monitored throughfall and soil solutions (Kukla 2002) in beech stands at the Ecological Experimental Site Kremnické vrchy Mts., using the methods elaborated by...
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Báo cáo khoa học nông nghiệp " Sustainable community-based forest development and management in some high-poverty areas in Bac Kan Province ( Report on a Training Course Forest Law )" pdf
... Forested land area: 267.647,78 + Natural forests: 224.755,78 + Forest plantation: 42.982, 00 - Non-forested area for forestry: 120.187,59 * Situations violated forest protection and development act ... the preservation of water for the communitys lives and production activities in agriculture, and forestry Forests help to improve the productivity of agricultural plants Forests provide wood to ... the statistics of forest resource development in 2007, Bac Kan province has 387.835,37 of forests and forestlands which constitutes 80% of total natural land Specifically, - Forested land area:...
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BIODIVERSITY CONSERVATION AND UTILIZATION IN A DIVERSE WORLD pot
... 2003 accounted for 23% of forest and savannah deforestation in the Mato Grosso state of Brazil While grazing areas remain the main deforestation cause in the Amazon, land conversion for the production ... for some part of the year Winter forms, e.g wheat, rye, rape, occur in the field for about 300 days a year, spring crops with a long period of vegetation, including maize, beetroot, potato, for ... the rustic agroforestry is even higher than the found in the forest Despite this great importance of shade plantations for biodiversity conservation, most studies indicate that many forest dwelling...
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Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf
... sampling is a method well-fitted for evaluating the data in terms of potential damage to forest stands by pollutants, and for definition of the risk area boundaries Parallelly we used the same method ... a contribution for defining conditions for natural regeneration in beech ecosystems and for applying regeneration cuts, including the system of forest management methods in contemporary unfavourable ... variables Results and discussion In 1999, ten years after the first cut, resulting on four plots in the required phases of the forest manJ FOR SCI., 55, 2009 (8): 368–375 (A) (B) 40 A 30 Me R = Me R=0,850.85...
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Báo cáo lâm nghiệp: "C and 15 N isotopic fractionation in trees, soils and fungi in a natural forest stand and a Norway spruce plantation" pps
... N, Breuil forest, (all sporophores, mean and standard deviation for each group) Ectomycorrhizal and saprotrophic sporophores did not differ for total N, nor total C, while they differed for δ15 ... collected in October 2001 in the natural forest stand and in October 2002 in the Norway spruce plantation Traditional mycological identification methods were used for taxonomic determination The different ... were identified using molecular methods Stipes and gills of T sciodes were separately collected All samples were first air dried and then dried at 60 ◦ C for 48 h Except for external mycelium, they...
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Báo cáo khoa học: "Organic matter and nitrogen dynamics in a mature forest of common beech in the Sierra de la Demanda, Spain" doc
... determined for leaves only and for total litter (table VI) Considering both total litter and leaves separately, higher K and Ko decomposition indices were observed for total litter than for leaves ... Brook forest New Hanpshire, Ecol Monographs 43 (1973) 103–191 [32] Gosz J.R., Likens G.E., Bormann F.H Organic matter and nutrient dynamics of the forest and forest floor in the Hubbard Brook forest, ... elevation corresponded to the trees below 1000 m altitude This method permitted us to equate the period of activity of the forest for each group and hence the trees’ real period of growth and...
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Báo cáo y học: "Estimation of stature from the foot and its segments in a sub-adult female population of North India" pps
... foot deformity J Forensic Sci 2002, 47:218-220 22 Rich J, Tatarek NE, Powers NH, Brogdon BG, Lewis BJ, Dean DE Using pre- and postsurgical foot and ankle radiographs for identification J Forensic ... the present study was to set up standards for estimation of stature from the foot and its segments in a sub-adult female population Methods: The sample for the study constituted 149 young females ... models derived in the study may be applied successfully for the estimation of stature in sub-adult females, whenever foot remains are brought for forensic examination Stepwise multiple regression models...
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Oxidative stress regulates DTNBPI dysbindin 1 expression and degradation via a pest sequence in it s c terminus
... in the National Center for Biotechnology Information (NCBI) database Dysbindin-2A, a 261 amino acid protein, is one of the three dysbindin-2 isoforms This full length isoform of dysbindin-2 is ... underlined in the forward and reverse primers are restriction sites (i.e XhoI and HindIII respectively) Reverse transcription conditions were: 95oC for 30 s, 40 cycles of 95oC for 30 s, 65oC for 30 s ... development of the nervous system Dysbindin-2C is relatively similar to its 2B isoform, with the former having a shorter C-terminus region (CTR) Its exact function has yet to be elucidated but...
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Modeling ammonia-nitrogen degradation in a polluted stream with biofilm technique
... the test section Explanation before modeling ammonia-nitrogen degradation Assuming conditions a The test section was assumed for the ideal section, its shape was uniform and width was very homogeneous ... the one hand, it offers abundant foodstuff for aquatic organism directly or indirectly, on the other hand, it offers good living and reproduction places for aquatic organism A lot of bacteria and ... biofilm’s surface, therefore the whole biofilm reaction tends towards the mechanism of surface reaction While utilizing the technique to deal with polluted streams, the formed biofilm is relatively...
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Tài liệu Báo cáo khoa học: The chitinolytic system of Lactococcus lactis ssp. lactis comprises a nonprocessive chitinase and a chitin-binding protein that promotes the degradation of a- and b-chitin doc
... denaturation in m urea, pH 8.0 for h and refolding through dialysis of concentrated denatured protein in a large volume of 20 mm Tris HCl, pH 8.0 (see Materials and methods for more details) At most, ... position is characteristic for family 18 chitinases with acidic pH optima for activity, whereas enzymes with more neutral pH optima have an aspartic acid at this position For the latter type of enzyme, ... The products observed for (GlcNAc)3 degradation were GlcNAc and (GlcNAc)2 (GlcNAc)4 degradation resulted in the exclusive formation of (GlcNAc)2, indicating preference for binding FEBS Journal...
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Tài liệu Báo cáo khoa học: Protein kinase CK2 activates the atypical Rio1p kinase and promotes its cell-cycle phase-dependent degradation in yeast pdf
... (presumably during the G1 phase); and (b) it provides a signal for commitment for degradation of Rio1p before entrance of the S phase We have shown for the first time that the cellular concentration and ... and transformed as described by Gietz et al [42] Microscopy and cell cycle analyses were performed as described [12] Protein contents were determined by the method published by Bradford [43] ... (1986) Methods in Yeast Genetics Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY Gietz D, St Jean A, Woods RA & Schiestl RH (1992) Improved method for high efficiency transformation...
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Tài liệu The Economics Associated with Outdoor Recreation, Natural Resources Conservation and Historic Preservation in the United States pdf
... to outdoor recreation, other visitors may come to these areas for sight-seeing, for family gatherings, for educational benefits and for many other values not captured by the category of outdoor ... could use more analysis is the study of forests in the United States—the types of forests, the extent of these forests, and the ecosystem services that forests provide on a national level Similarly, ... contains information on the impacts of property values through historic designation and the nature conservation literature contains information on property values near conservation areas The informational...
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Forest Economic and Environmental Accounting: A pilot study of a first implementation by Statistics Sweden docx
... Board of Forestry) Exploitable forests are divided into three classes, afforestated forests, natural forests and other forests Afforestated forests: forests on former agricultural land, afforestation ... much of which is productive forest land Table 2a forest balance, volume The volume of exploitable forests are increasing in Sweden Forest volume balances showing the net volume changes can be made ... less than 20 years ago Other forest: Exploitable forest except afforestated forest and natural forest Natural forest: there is no distinct definition of natural forests in Sweden One definition...
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Electrochemical Methods in Archaeometry, Conservation and Restoration potx
... sensitive analytical methods, as well as new materials and methods for conservation 1.2 Information Provided by the Analytical Research Analytical techniques offer a great deal of information that ... the necessary information on the composition of the object so therefore sampling must be carried out The method of sampling depends on the analytical technique chosen for performing the analysis ... electrophoresis (CE) has been introduced as an alternative method for performing a chromatographic analysis of art objects, and thus, a number of methods for analysis of waxes, resins, drying oils, animal...
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Water pollution and habitat degradation in the Gulf of Thailand ppt
... 1.32–1.84 lg/cm2 /yr for Cu, 1.99–6.57 lg/cm2 /yr for Pb, 2.36– 7.71 lg/cm2 yr for Zn, 0.02–0.04 lg/cm2 /yr for Cd, 0.28– 1.11 lg/cm2 /yr for Cr and 0.75–1.39 lg/cm2 /yr for Ni The results of ... mangrove forests to shrimp farming is one of the most severe problems and has tremendous impacts on the coastal ecosystem For example the removal of tree-cover, loss of nutrient-supply from the forest ... of natural gas platforms, exhibited higher mercury concentrations These fishes were caught and analyzed recently (ARRI, 1998) Between 5% and 10% of fish at Erawan and Funan platforms had mercury...
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Báo cáo khoa học: Vitamin C Biosynthesis, recycling and degradation in mammals doc
... conjugated double bonds and that a resonance form can be written for the deprotonated monoanionic form (Fig 1) Resonance forms can also be written for the form of vitamin C that has lost one electron ... dehydrogenase; 15, D-xylulokinase Three possible mechanisms for glucuronate formation (a, b and c) are shown (see text) For the sake of clarity, the linear form of glucuronate is represented SMP30 KO mice, ... recycling in mammals the formation of glucuronate observed under these conditions accounted for the formation of glucuronate observed in intact cells, indicating that glucuronate is formed from UDP-glucuronate...
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Báo cáo khoa học: "Comparing Objective and Subjective Measures of Usability in a Human-Robot Dialogue System" potx
... abbreviations are used for the factors that occur in the table: Rep for the number of repetition requests, Turns for the number of system turns, Len for the length of the dialogue, and Mem for the subjects’ ... cube, performs action] Okay SYSTEM [picking up and holding out a small slat] To make a windmill, insert the yellow bolt through the middle of this short slat and the middle of another short slat ... possible explanations for this difference First, the system analysed by Litman and Pan (2002) was an information-seeking dialogue system, in which efficient access to the information is an important...
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AGENDA 2020: A Technology Vision and Research Agenda for America''''s Forest, Wood and Paper Industry doc
... and are also suitable for cooperative research efforts High priority efforts will include the areas of: Sustainable Forest Management Environmental Performance Energy Performance Improved Capital ... efficient forming, pressing and drying technologies for paper and wood products Construction Methods - Develop methods for constructing large and small facilities at lower cost Materials for Fabrication ... Priorities for the 1990's In addition, the National Research Council of the National Academy of Sciences published a report: "Forestry Research, A Mandate for Change" to serve as a vision for future forestry...
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STUDIES ON THE ECOLOGY AND CONSERVATION OF BUTTERFLIES IN EUROPE: Vol. 1: General Concepts and Case Studies pptx
... environmental Risks for biodiversity with tested Methods GAIA 14/1: 69-72 Research within the project ALARM (Assessing LArge scale environmental Risks for biodiversity with tested Methods) is an Integrated ... equipment, mowing can be performed on huge areas within a very short time span In combination with the availability and use of fertilisers, several mowing cycles can be performed per year This system ... wide methods for Monitoring of habitats and species of the Habitats’ Directive; http://eumon.ckff.si; STREP FP VI Contract number: 006463) and ALARM (Assessing LArge scale environmental Risks for...
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