density composition and distribution
The Ecology of Seashores - Chapter 5 pptx
... (Castilla and © 2001 by CRC Press LLC Duran, 1985; Oliva and Castilla, 1986; Duran and Castilla, 1989) The middle intertidal of harvested and unharvested areas diverged in species diversity and composition ... the absence of predation, and is derived from Menge (1976), Lubchenco (1978; 1983; 1986), and Lubchenco and Menge (1978) (see also Menge and Sutherland, 1987; Chapman and Johnson, 1990) Question ... Nearly all benthic grazers move in order to feed and their movement patterns during feeding depend on their distribution and the distribution and abundance of their food Foraging patterns can...
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Báo cáo khoa học: "Translation and Extension of Concepts Across Languages" pdf
... (Volk and Buitelaar, 2002) These frameworks usually develop language-specific tools and algorithms including parsers, taggers and morphology analyzers in order to integrate multilingual queries and ... in at least two different slots Thus, we select a pattern “for C1 and C2 ” if we see both “for apple and guava,” and “for orange and apple,” One of the main goals in this research is to verify ... Relatives (e.g., grandmother) for several language pairs including Hebrew→French and Chinese→Czech We mixed “noise” words into each list of terms10 These words were automatically and randomly extracted...
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Báo cáo khoa học: Proteoglycans in health and disease: new concepts for heparanase function in tumor progression and metastasis pptx
... metastasis and higher microvessel density [23–25] We choose to highlight the role of heparanase in human cancer by focusing on head and neck carcinoma and multiple myeloma as examples of solid and hematological ... head and neck carcinoma inhibits cell growth, motility and invasion in vitro [17] Similarly, overexpression of HSulf-1 and HSulf-2 in CAG myeloma cells inhibits tumor xenograft development and ... methylation of the gene and its repression by p53 [40–43] By contrast, heparanase upregulation was found in the majority of head and neck [44], salivary gland [45], tongue [46] and oral [47] carcinomas...
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Báo cáo hóa học: " Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO composites" potx
... analysis, and writing of the manuscript SE, KP, and TT participated in the conception and design of the study DPC and GR revised the manuscript for important intellectual content All authors read and ... applications such as boundary layer capacitors and multilayer ceramic capacitors [3-6] Furthermore, BZT for some compositions exhibits high ferroelectric and piezoelectric properties Due to the environmental ... materials which contain combined ferroelectric and magnetic phases These materials are called multiferroic composites, and many authors have fabricated and reported the properties of multiferroic...
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Báo cáo hóa học: " Research Article Polarization Behavior of Discrete Multipath and Diffuse Scattering in Urban Environments " pot
... Comparing the distribution of the copolarization ratio in Figure 13 and the power distribution of the copolarization ratio in Figure 19, we observe similar expectation values and standard deviations ... are defined for both, the BS and MS sides, whereas the distributions are only shown for the MS parameters In Section 5.1, the XPR distribution based on (7) for SCs and DMCs are discussed, whereas ... expectation and standard deviation of the measurement agree with those of the fitted distribution This agreement can be observed also for the other segments (not shown) For a better understanding of...
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Báo cáo khoa học " The nutrients of exotic mushrooms (Lentinula edodes and Pleurotus species) and an estimated approach to the volatile compounds " potx
... to 1.15 and 0.71; minerals: Na range and average are 1.3–20.1 and 10.11; K, 182.5– 395.9 and 264.7; Mg, 8.6–24.5 and 11.6; Ca, 1.4–3.9 and 4.2 There are less amounts of scientific data and the ... chromatogram K and Na contents of L edodes tent to increase after the first flush stage Average levels of K and Na of L edodes were 2348.24 and 757.32 mg/kg wb K and Na levels of P ostreatus and P sajor-caju ... nutrients and volatiles and some properties of L edodes and Pleurotus spp Thus, this research will be a contribution to the literature from the point of interesting ratios for both Turkey and the...
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Species and Varieties, Their Origin by Mutation, by Hugo DeVries docx
... "Mutationstheorie," but partly abridged and partly elaborated, in order to give a clear conception of their extent and scope New experiments and observations have been added, and a wider choice of the material ... PAGE I Descent: theories of evolution and methods of investigation The theory of descent and of natural selection Evolution and adaptation Elementary species and varieties Methods of scientific ... specific and varietal characters in wheat-ear carnation, in the green dahlias, in white campanulas and others Systematic latency of flower colors IX Crossing of species and varieties 247 Balanced and...
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trees crops and soil fertility concepts and research methods
... Understanding of Farmers’ Constraints 2.4 Anatomy of a Decision at the Farm Scale and Economic Methods for Understanding such Decisions 2.5 Landscape and Global Scales: Soil Fertility and Agroforestry ... Fodder banks – 2.2.5 Trees as fodder Trees and animals (not pasture) Trees and poultry Trees and pigs Trees and fish Silk production Trees and insects Trees and tree crops Multipurpose utilization ... as the presence and dispersal of fauna and flora, water and nutrient flows, microclimate, and pest and disease dynamics are significantly influenced by trees In many fragmented landscapes trees on...
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Báo cáo lâm nghiệp: "Divergence among species and populations of Mediterranean pines in biomass allocation of seedlings grown under two watering regimes" pps
... among populations and water stress treatments (p < 0.001 and p < 0.05, respectively) The relationship between ontogenetic score and plant dry weight was different for each species and generally weak, ... controlled conditions to evaluate phenotypic changes and the relationship among our observations and phenotypic plasticity facing drought MATERIAL AND METHODS 2.1 Plant material We used four Mediterranean ... individual plastic containers, filled with peat and vermiculite (4:1, v/v) and placed them inside the growth chamber Half of the seedlings (18 per population) were randomly assigned to each of the waterstress...
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Báo cáo lâm nghiệp: "Variation in wood volatile compounds in a mixed oak stand: strong species and spatial differentiation in whisky-lactone content" pptx
... 286 standing trees It consists of three ecological zones: a small valley, a plateau and a regular intermediate slope The plateau is covered by a well drained soil and composed of sand and slit ... species distribution and soil type and elevation The natural regeneration of this stand from seeds took place in 1899−1900, as assessed by ring counting During the autumns 1998, 2000 and 2001 ... compounds covary rather closely (rS > 0.8): cis- and trans whisky-lactones on the one hand, and vanillin, syringaldehyde and coniferaldehyde on the other hand These last three compounds all belong to...
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Báo cáo lâm nghiệp: " Non-indigenous plant species and their ecological range in Central European pine (Pinus sylvestris L.) forests" ppt
... ecogram Consequently, clusters and 13 (Cladonio-Pinetum) on dry and acid sandy sites and clusters 15 and 19 (Ledo-Pinetum and Vaccinio uliginosi-Pinetum) on wet and acid sites contain vegetation ... recorded on randomly selected plots, homogeneous with regard to the site conditions and the stand structure Consequently, specific sites like, for example, forest paths, forest edges, and clear-cuts ... oreoselinum and others, which occur with a relatively low frequency and some exclusively in this cluster Most of these species grow on sites, which are warm and dry throughout the summer season and rich...
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Báo cáo lâm nghiệp: " Effect of species and ecological conditions on ellagitannin content in oak wood from an even-aged and mixed stand of Quercus robur L. and Quercus petraea Liebl." docx
... B, C and E Moreover one can observe a negative correlation between castalin, vescalin and ellagic acid content and the percentage of vescalin, castalin, roburin A and C on the one hand and the ... present one- Figure Distribution for total ellagitannin content in sessile and pedunculate oak trees (118 and 158 trees respectively) peak distributions Maximum distribution density was found to ... sessile and pedunculate oaks The sampled stand covers and contains 287 adult trees (one beech tree and 286 oak trees therefore the density is 57 trees per The stand consists of three ecological zones:...
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Báo cáo lâm nghiệp: "Limitation of photosynthetic activity by CO 2 availability in the chloroplasts of oak leaves from different species and during drought" pdf
... lower than the atmospheric (c and the sub) a stomatal (c CO mole fractions; c was ) i2 a /c 0.37, 0.42 and 0.47, and c 0.64, 0.59 , a /c i and 0.60 for Q petraea, Q ilex and Q robur, respectively ... experiments, the calibration of the relationship between Φ and Φ was perII eformed at 2% O and 350 μmol mol CO and by -1 , measuring A and Φ at increasing irradiances II eΦ was then ... calibration of the relationship between Φ and Φ as: II e- Usually, b is very close to 0, and 1/k depends on leaf absorptance (α) and distribution of light between the two photosystems,...
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Báo cáo khoa học: "Genetics of oak species and the spectre of global climate change" doc
... forests In: FT (1987) Genetic structure and the conservation of California’s endemic and near endemic conifers In: Conservation and Management of Rare and Endangered Plants (Elias TS, ed) California ... Scott Pauley established a test of northern red oak and Roland Schoenike established a test of southern red oak Both were lost when Pauley and Schoenike died When a scientist in the United States ... productivity and forest health unless we are prepared to learn more about the genetics of forest populations and then manage them to maintain diversity We must prepare to move genetic materials and track...
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Báo cáo khoa học: " Variation in the position of resin canals in the needles of Abies species and provenances" docx
... within and among species and even in the same tree The present study is a continuation of the work cited above (Panetsos, 1975) and has the following main objectives: a better understanding of ... On the same subject, Klaehn and Winieski (1962) and Liu (1971) consider A x borisii regis as having needles with median resin canals and the parental species (A alba and A cephalonica) as marginal ... Seedlings were handplanted in a randomized incomplete block design, in 25-tree plots, at x m intervals The seedlings were raised from seeds collected by the Laboratory of Forest Genetics and represent...
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Báo cáo lâm nghiệp: " A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation" pot
... 0.31 and 1.58 and aver- aged 0.89 pmol (C0 s m’ ) = = In Fig 3A, the photosynthetic rate of a shoot in direct radiation is calculated using the distribution of radiation within the needles and ... difference between the irradiance distributions of photosynthetic units for direct and diffuse radiation Therefore, an alternative model was developed which calculates the distribution of irradiance ... simulation of the irradiance distribution and photosynthesis of a shoot in different radiation fields Agric For Meteorol 34, 31-40 Oker-Blom P., Kellomaki S & Smolander H (1983) Photosynthesis...
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Báo cáo y học: "Ethnobiology of snappers (Lutjanidae): target species and suggestions for management." ppsx
... Montão de Trigo Island (10) Queimada Grande Island (7), and Laje de Santos Island (3), the most mentioned sites Copacabana, Rio, SE Brazil From our collection Cagarras Island (most common in ... slow growth and late reproductive maturity, including groupers and snappers [29] This study was motivated by an urgent need to improve our understanding of the biology of snappers, and data were ... interviewing local fishermen; and c) to compare both sources of data (scientific and local knowledge) and suggest potential applications for improving snapper research and management; d) to suggest...
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báo cáo khoa học: " Reactive oxygen species and transcript analysis upon excess light treatment in wild-type Arabidopsis thaliana vs a photosensitive mutant lacking zeaxanthin and lutein" pps
... -80°C Ascorbate and glutathione were extracted and assayed following the method developed by Queval and Noctor [119] ATP and ADP were assayed as previously described [120] Amino acids and sugars were ... AA and ER participated in the RNA isolation, microarray experiments and statistical analysis of data, quantitative real-time PCR; LC and RB conceived the study and participated in its design and ... 23 distinct regulons and their relationship to metabolism, chromosomal gene distribution and co-ordination of nuclear and plastid gene expression Gene 2005, 344:33-41 85 Khandelwal A, Elvitigala...
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báo cáo khoa học: " Characterization of PR-10 genes from eight Betula species and detection of Bet v 1 isoforms in birch pollen" pot
... SDS-PAGE gel and processed essentially according to Shevchenko [58] Bands were sliced into mm3-pieces Bands at 14, 19 and 35 kDa were cut out and analyzed as well Proteins were reduced with DTT and alkylated ... isoform 02C01 and comprises 17% of all fragment IIIvariants, while peptides IIIb and Xb are unique for 01B01 and comprise 1819% of all fragment III and X-variants The isoforms 02A01 and 02B01 could ... Da) and VIIIa (1854,89 Da), and Ij (1840,89 Da) and VIIIc (1840,88 Da) had a similar mass Fragment VIIIk overlaps with a keratin peptide * Fragments Xa and Xg have exactly the same mass and cannot...
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báo cáo khoa học: " Differential patterns of reactive oxygen species and antioxidative mechanisms during atrazine injury and sucrose-induced tolerance in Arabidopsis thaliana plantlets" ppsx
... contributions FR, CS, MB, IC and GG conceived the study and designed experiments FR, MB and GG performed the experiments FR, CS, MB, IC and GG carried out analysis and interpretation of experimental ... hours to the different control and treatment media described above (M, S, MA and SA) Plantlets, prior to the transfer and at the end of the treatment, were immersed and infiltrated in the dark under ... hours to the different control and treatment media described above (M, S, MA and SA) Plantlets, prior to the transfer and at the end of the treatment, were immersed and infiltrated under vacuum...
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