... these and other initiatives were reviewed at the international symposium “Managing Biodiversity in Agricultural Ecosystems, ” held in 2001 in Montreal on the margins of the meeting of the Scientific ... suggested indicators for monitoring and managing agricultural biodiversity in situ in two groups (domesticated and wild species) and adds indicators for considering the links between in situ and ... communities have a direct interest in implementing 22 MEASURING, MANAGING, AND MAINTAINING GENETIC DIVERSITY Table 2.4 Number and distribution of rice landraces in three in situ study sites, Nepal...
Ngày tải lên: 06/03/2014, 18:21
... is increasing, the importance of the remaining existing forests in maintaining the global carbon cycle cannot be understated By bringing current knowledge on carbon sequestration in forest ecosystems ... While C sequestration in forest ecosystems cannot stop increases in atmospheric CO2 originating from fossil fuel combustion, enhancing and strengthening C-fluxes into stable forest C pools can offset ... sequestration in existing forests and not in those established by afforestation and reforestation or in the forest products sector Thus, this book is valuable source of information intended for...
Ngày tải lên: 28/03/2014, 10:20
Báo cáo lâm nghiệp: "The contribution of remote sensing to the assessment of drought effects in forest ecosystems" ppsx
... for updating and enriching existing maps The operational use of such data for an annual mapping of the clear felling of Pinus pinaster stands over the million Landes forest in Aquitaine Region ... Land use planning and monitoring in Indonesia using ERS-1 RADAR data, in: Proceedings International Conference on Remote Sensing and GIS for Environmental Resources Management The IndonesianEuropean ... visible in forests (foliage yellowing and browning, premature defoliation) and even more so on crops (early drying, early harvesting), and an increased number and a higher intensity of forest...
Ngày tải lên: 07/08/2014, 16:20
RESEARCH ON PLANT DIVERSITY IN FOREST ECOSYSTEMS OF XUAN SON NATIONAL PARK IN PHU THO PROVINCE AS a BASIS FOR PLANNING AND CONSERVATION WORK
... vegetation in forest ecosystems of Xuan Son National Park in Phu Tho Province - Earthworms and other mesofauna groups in some vegetation types - Causes of decline of plant biodiversity in Xuan Son ... tropical rainforest on tropical sloping lowland The distribution of this closed forest is located in the tropical belt of 700m In average, in a sample plot, there are at least 32 species involved in ... preservation meaning, development of forest resources in Xuan Son National Part, but also contribute to maintain social security, especially in mountainous areas where many ethnic minorities are living 25...
Ngày tải lên: 21/07/2016, 10:39
Báo cáo lâm nghiệp: "Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically disturbed area of the eastern Krušné hory Mts. (Czech Republic)" pps
... using the Tullgren method Another 250 individuals of 13 species were obtained by individual collection While in this area Dendrobaena attemsi was superdominant in the spring season (representing ... were processed using nonparametric ANOVA (Kruskal-Wallis test) in STA- In the territory of the Kienhaida NR and in its vicinity, a total of 1,135 earthworms (643 in spring and 492 in late summer) ... sampled in a linear transect of the sampling plot whereby samples 20 m apart were taken in spring (May, 2009) and again in late autumn (September, 2009) Each of the soil samples (240 in total)...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Red deer density in the air-polluted area of forest ecosystems in the Krušné hory" pdf
... and birch predominate Roughly 500 of the hunting ground area are covered by peat soils where mountain pine (Pinus mugo), (Pinus uncinata) and white birch (Betula pubescens) are dominant species ... clearing the transects (FSC – Faecal Standing Crop) The monitoring was carried out in two neighbouring hunting grounds Jelení hora and Černý potok, Klášterec nad Ohří Forest District According ... for reforestation including plots No 12 to 15, (E) Commercial forest including plots No 10 and 16 RESULTS Based on the repeated counting of faecal pellet groups on 16 marked plots (No to 16) in...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Designing decision support tools for Mediterranean forest ecosystems management: a case study in Portugal" pptx
... planning horizon Intermediate yield values are defined by interpolation Afterwards, debarking operations are simulated according to a simple rule Trees in each land unit are sorted in descending ... CORINE Biotope (C-108) and its integration in the set of sites proposed to be part of the EU network Natura 2000 The main cover types are dominated by cork oak and umbrella pines (Pinus pinea ... its main product (cork) is one of the most important assets in the Portuguese forest sector According to the Portuguese Forest Inventory [11], it represents about 22% of the forest cover in Portugal,...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo khoa học: "Nutrient cycling in deciduous forest ecosystems of the Sierra de Gata mountains: aboveground litter production and potential nutrient return" pot
... with litterfall is an important factor in conditioning renewal within forest ecosystems in that it may be used as an indicator for characterizing the ecosystem In this sense, annual nutrient return ... -1 -1 ranged between1 Mg year in forests located in cold regions (taiga or -1 -1 alpine meadows) and 25 Mg year in rainy equatorial forests Other factors also affecting production are the plant ... Regina et al [39, 40]), the chestnut flowers being poorer in P than those corresponding to oak forests (table II) Turrión et al [45] pointed out that the amount of available soil P in the forests...
Ngày tải lên: 08/08/2014, 14:21
Báo cáo khoa học: "Nutrient cycling in deciduous forest ecosystems of the Sierra de Gata mountains: nutrient supplies to the soil through both litter and throughfall" ppt
... Precipitation input of inorganic chemicals in the open field and in forest stands Results of investigations in the State of Hesse, in: Georgii H.W (Ed.), Atmospheric Pollutants in Forest Areas, ... elements in the rain water increases as the water passes through the forest canopy The elements showing the greatest increase in concentration in the throughfall water with respect to rain water ... The final composition of the water flowing from the canopy is determined by the initial composition of the rainfall water, the wash-off of dry atmospheric dust, and water interception, leaching...
Ngày tải lên: 08/08/2014, 14:21
Báo cáo khoa học: " Spatial variability of humus forms in some coastal forest ecosystems of British Columbia" pdf
... South African Institute of Mining and Metallurgy, Johannesburg Lowe LE, Klinka K (1981) Forest humus in the Coastal Western Hemlock biogeoclimatic zone of British Columbia in relation to forest productivity ... determination of -N NH using a Technicon Autoanalyzer (Anonymous, 1976) Mineralizable-N (min-N) was determined by an anaerobic incubation procedure of Powers (1980) with released NH determined ... 10 m) grid Since the configuration of sampling locations had the regular, 100 cm sampling inter- val and the interval for kriging was 25 cm, each of the 681 measured-plus-kriged points was located...
Ngày tải lên: 08/08/2014, 23:22
Tài liệu Biodiversity in Vietnam docx
... result in high variation in climate, soil and topography, and thus, a wide variety of ecosystems, each of which has its own flora and fauna Some main characteristics of Biodiversity in Vietnam In ... household income and other 12 million get part of their income from fisheries - Ecological systems and biodiversity within them provide not only much of the basic needs for people, but insurance against ... Today,Vietnamese have to face biodiversity s loss and degradation For examples: even forest cover in Vietnam is 37% of total land area, but 18% of that is plantation, of remaining forest only 7% is “primary”...
Ngày tải lên: 17/12/2013, 10:15
Tài liệu APPLICATION OF REMOTE SENSING IN:" FOREST SECTOR OF VIETNAM" docx
... Protection forest, special-use forest, Annual forest statistics Forest Inventory and Planning Institute (FIPI) II Information needed for forest management 2.1 Demand for information on forest management ... Overview Forest administration system in Vietnam Information needed for forest management in Vietnam Application of RS in forest management in Vietnam: Past and present Future Direction I Forests ... in deriving information Application of very high resolution satellite images (SPOT 5, ALOS, IKONOS, QuickBird, etc.) in land use /forest cover mapping, forest planning, forest assessment and forestland...
Ngày tải lên: 24/01/2014, 03:20
Tài liệu Reducing Functional Decline in Hospitalized Elderly pptx
... elders, including the use of geriatric interdisciplinary team training46 and the use of a geriatric resource nurse.47 National programs for geriatric interdisciplinary team training were created in ... Clark A Walking for wellness: a collaborative program to maintain mobility 14 Reducing Functional Decline 52 Covinsky KE, Palmer RM, Kresevic DM, et al Improving functional outcomes in older patients: ... hospitalizations in the elderly Functional Decline During Hospitalization During hospitalization, the elderly patient often experiences reduced mobility and activity levels Functional decline, including changes...
Ngày tải lên: 14/02/2014, 07:20
Tài liệu Dynamic Changes IN MARINE ECOSYSTEMS Fishing, Food Webs, and Future Options docx
... to past thinking The data presented for the declines in biodiversity and new examinations into the extinction potential for marine fish indicate that these issues deserve consideration in fisheries ... made in the public-policy arena 1In this report, utilized is intended to describe functioning ecosystems that can sustain numerous uses, including fishing 2Degraded is used to describe ecosystems ... longliners in the Indian Ocean The increase in total catch is inconsistent with the hypothesized stock collapse indicated by the decreasing catch per unit effort SOURCE: Reprinted from Polacheck in...
Ngày tải lên: 17/02/2014, 19:20
Tài liệu Lipids in Aquatic Ecosystems docx
... general interest in lipids as structural components and as purveyors of energy is increasingly being coupled with this deeper understanding resulting in a parallel increase in publications dealing ... overseeing either degraded and/or pristine ecosystems, will profit from a deeper understanding of the role that EFAs play in maintaining the health and ecological integrity of aquatic ecosystems ... been studied in wild-type C reinhardtii and its cia-3 mutant strain, which is deficient in a CO2concentrating mechanism (Pronina et al 1998) In both strains, there was some increase in PUFA biosynthesis...
Ngày tải lên: 17/02/2014, 19:20
Tài liệu Báo cáo khoa học: "TREATMENT OF LONG DISTANCE DEPENDENCIES IN LFG AND TAG: FUNCTIONAL UNCERTAINTY IN LFG IS A COROLLARY IN TAG" ppt
... remarks as to the linguistic significance of restricting the use of regular sets in the functional uncertainty machinery by showing that the linguistic theory instantiated in TAG can predict ... to adjoining, but becomes specified upon adjoining Thus, the bottom feature structure associated with the foot node, which "is bfoot before adjoining, is instantiated on adjoining by unifying it ... and Adjoining "- ~ v J A a m ~ p mat • Figure 1: Elementary Trees in a TAG We will now define the operation of adjoining Consider the adjoining of/~ at the node marked with * in a The...
Ngày tải lên: 21/02/2014, 20:20
Invasive Plants and Forest Ecosystems doc
... hypotheses relating to the invading species, the habitats invaded, and their interactions Inconsistent and varying terminology and difficulty in predicting which species will or will not become invasive ... from Asia In Chapter 8, Hossain examines the effects of alien invasive plants on hill forest ecosystems of Bangladesh According to Hossain, in addition to invasive understory species, the introduction ... explanation without intent to infringe Library of Congress Cataloging -in- Publication Data Invasive plants and forest ecosystems / edited by Ravinder K Kohli [et al.] p cm Includes bibliographical...
Ngày tải lên: 06/03/2014, 18:21
Báo cáo khoa học: Functional symmetry in the isolated domain demonstrated by N-ethylmaleimide labelling pdf
... chain to the nucleotide-binding pocket [3] We describe the engineering, expression and purification of single-cysteine-containing proteins comprising either the C-terminal NBD or the N-terminal ... P-glycoprotein contains only a single cysteine in the Walker-A motif [43] Thus, MBP-NBD-Nter is a 75-kDa fusion protein containing a single cysteine residue located in the ATP-binding pocket The ... N-[3H]ethylmaleimide (0.6 lM, determined by liquid-scintillation counting) for increasing times at 22 °C The reaction was stopped by the addition of protein loading sample buffer containing a minimum 10-fold molar...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: Different roles of functional residues in the hydrophobic binding site of two sweet orange tau glutathione S-transferases pdf
... subunits ranging from 23 to 30 kDa in size Subunits of all known GST structures exhibit a two-domain fold, the N-terminal domain and C-terminal domain, including the highly conserved GSH-binding site ... bababba, similar to the thioredoxin fold of other GSH-binding or cysteine-binding proteins The H-site is entirely helical, with a variable number of a-helices, depending on the specific enzymes [19] ... according to the method described in Lo Piero et al [11] Briefly, protein expression was achieved in a cell-free system (Expressway Plus; Invitrogen) by incubating the plasmids (15 lg), in IVPS...
Ngày tải lên: 15/03/2014, 09:20