drainage low fertility and plant species

Báo cáo lâm nghiệp: " Non-indigenous plant species and their ecological range in Central European pine (Pinus sylvestris L.) forests" ppt

Báo cáo lâm nghiệp: " Non-indigenous plant species and their ecological range in Central European pine (Pinus sylvestris L.) forests" ppt

... tree species Prunus serotina and Quercus rubra from N America, which also occur on sites with relatively low soil reaction (R) and nitrogen (N) values (Tab I and Fig 2) Both species have been planted ... values) and pH range (medians of the R indicator values) in an ecogram Consequently, clusters and 13 (Cladonio-Pinetum) on dry and acid sandy sites and clusters 15 and 19 (Ledo-Pinetum and Vaccinio ... Central European plant species from Ellenberg et al [15] The following hypotheses are addressed in this study: (1) only few non-indigenous plant species occur in forest ecosystems, and (2) there...

Ngày tải lên: 08/08/2014, 00:22

15 269 0
Báo cáo khoa học: " A geminiviral amplicon (VA) derived from Tomato leaf curl virus (ToLCV) can replicate in a wide variety of plant species and also acts as a VIGS vector" pps

Báo cáo khoa học: " A geminiviral amplicon (VA) derived from Tomato leaf curl virus (ToLCV) can replicate in a wide variety of plant species and also acts as a VIGS vector" pps

... replicates in both dicot and monocot plants Figure The viral amplicon construct, VA/pCAMBIA1391Z, replicates in both dicot and monocot plants The plants (Tomato, Tobacco, Arabidopsis and Rice) were agro-infiltrated ... expression and subsequent siRNA accumulation in tobacco plants as a function of time GFP expression and subsequent siRNA accumulation in tobacco plants as a function of time Leaves of tobacco plants ... DNA Isolation and Semi Quantitative PCR to check for episome formation The genomic DNA was extracted from plant tissues by following the standard CTAB protocol [32] Briefly, g of plant tissues...

Ngày tải lên: 12/08/2014, 04:20

13 428 0
báo cáo khoa học: " Complete DNA sequences of the plastid genomes of two parasitic flowering plant species, Cuscuta reflexa and Cuscuta gronovii" pdf

báo cáo khoa học: " Complete DNA sequences of the plastid genomes of two parasitic flowering plant species, Cuscuta reflexa and Cuscuta gronovii" pdf

... species of the parasitic flowering plant genus Cuscuta Planta 2000, 210:701-707 Panda MM, Choudhury NK: Effect of irradiance and nutrients on chlorophyll and carotenoid content and Hill reaction activity ... changes that mark the progression towards holoparasitism and an adaptation to a parasitic lifestyle in land plants Results and discussion Size and structure of plastid chromosomes Sequence data of ... Cuscuta reflexa and Cuscuta gronovii Genes shown on the right hand side are transcribed top down and genes on the left hand side bottom up The large single copy region (LSC) and the small single...

Ngày tải lên: 12/08/2014, 05:20

12 207 0
Conservation of plant species under future climate and land  use change

Conservation of plant species under future climate and land use change

... the association between threatened plant species and future land use- and climate change-driven habitat loss, and present plausible policies towards plant species conservation By considering ... the index of species endangerment and future habitat loss owing to land-use and climate changes 2.2.4 Future plant species endangerment rankings By relating the current level of plant species endangerment ... between threatened plant species and future land use- and climate change-driven habitat loss My study is the first attempt to prioritize the conservation assessment of plant species by taking...

Ngày tải lên: 03/10/2015, 21:58

80 280 0
Conservation of plant species under future climate and land  use change

Conservation of plant species under future climate and land use change

... moist forests Sumatran Islands lowland and montane forests Kayah-Karen/Tenasserim moist forests Sumatran Islands lowland and montane forests Eastern Himalayan broadleaf and conifer forests Atlantic ... Madagascar and the Indian Ocean Islands Sundaland Himalaya, Indo-Burma Western Ghats and Sri Lanka Western Ghats and Sri Lanka Sudanian savannas East African Moorlands Arabian Highlands woodlands and ... Highlands woodlands and shrublands Naga-Manapuri-Chin Hills moist forests Philippines moist forests North Indochina subtropical moist forests Sri Lankan moist forest Sumatran Islands lowland and...

Ngày tải lên: 16/10/2015, 15:35

93 239 0
Tài liệu Báo cáo khoa học: Phylogenetic relationships in class I of the superfamily of bacterial, fungal, and plant peroxidases pptx

Tài liệu Báo cáo khoa học: Phylogenetic relationships in class I of the superfamily of bacterial, fungal, and plant peroxidases pptx

... catalase–peroxidases and APXs have been outlined [15], and a dendrogram of 29 lignin and manganese peroxidases have been presented [16] The present study should contribute to our understanding of the ... Blosum 30 protein–weight matrix; helix and strand gap penalty, 4; and loop gap penalty, Finally, areas of extensive gaps (i.e longer than 10 amino acid positions and present in more than 90% of sequences) ... from the cytoplasm of higher plants Only selected examples are presented in this tree, but in several plant species multiple forms of genes coding for cytosolic and chloroplast APXs exist as...

Ngày tải lên: 19/02/2014, 16:20

13 513 0
Tài liệu Plant physiology - Chapter 3 Water and Plant Cells docx

Tài liệu Plant physiology - Chapter 3 Water and Plant Cells docx

... Protein synthesis Well-watered plants Plants under mild water stress Plants in arid, desert climates –4 Water and Plant Cells lation of solutes, closing of stomata, and inhibition of photosynthesis ... berries, also attain low values of Ys Values as low as –2.5 MPa are not unusual Plants that grow in saline environments, called halophytes, typically have very low values of Ys A low Ys lowers cell Yw ... in water relations? Planta 204: 131–139 Stein, W D (1986) Transport and Diffusion across Cell Membranes Academic Press, Orlando, FL Steudle, E (1989) Water flow in plants and its coupling to...

Ngày tải lên: 20/02/2014, 01:20

16 442 0
Plant physiology - Chapter 13 Secondary Metabolites and Plant Defense docx

Plant physiology - Chapter 13 Secondary Metabolites and Plant Defense docx

... in Many Plants Terpenes are toxins and feeding deterrents to many plantfeeding insects and mammals; thus they appear to play important defensive roles in the plant kingdom (Gershenzon and Croteau ... doses, they slow and strengthen the heartbeat Cardenolides extracted from species of foxglove FIGURE 13.7 Monoterpenes and sesquiterpenes are commonly found in glandular hairs on the plant surface ... services for plants as carriers of pollen and seeds Secondary metabolites are involved in these plant animal interactions, helping to attract animals to flowers and fruit by providing visual and olfactory...

Ngày tải lên: 07/03/2014, 20:20

26 777 0
Cadmium mobilisation and plant availability   the impact of organic acids

Cadmium mobilisation and plant availability the impact of organic acids

... tubes (40 W) and Toshiba lamps (15 W) providing an irradiation of approximately 600 W/m2 at the plant tops Plants were harvested and washed thoroughly with tap water, followed by pH water and distilled ... accumulation in root and aerial parts of the plant in both the sand and soil cultures (p≤ 0.03) Relatively higher increases in Cd accumulation were observed in plants grown in sand (Mann Whitney ... 180–183 Hewitt 1966 Sand and water culture methods used in the study of plant nutrition.Technical communication 22, Common wealth Agriculture Bureaux England: 399–463 Hoagland D and Arnon D I 1950...

Ngày tải lên: 15/03/2014, 23:22

7 337 0
Báo cáo khoa học: Methylene analogues of adenosine 5¢-tetraphosphate Their chemical synthesis and recognition by human and plant mononucleoside tetraphosphatases and dinucleoside tetraphosphatases pot

Báo cáo khoa học: Methylene analogues of adenosine 5¢-tetraphosphate Their chemical synthesis and recognition by human and plant mononucleoside tetraphosphatases and dinucleoside tetraphosphatases pot

... n.d and pCH2pppA appear to be the strongest inhibitors of both the human and plant enzymes The Ki values estimated for the human enzyme, 1.6 and 2.3 nm, respectively, were over 30- and 20-fold lower ... Table 1, the yellow lupin p4A hydrolase and the yeast exopolyphosphatase hydrolysed pppCH2pA slightly more than twofold slower than p4A, and the human p4A hydrolase 125-fold slower This result ... with Ki threefold lower than the Km for Ap4A (27 lm) The lowest Ki value was estimated for pppCH2pA (6.7 lm) and the highest values were for ppCH2pCH2pA and pCH2ppCH2pA, 20 and 34 lm, respectively...

Ngày tải lên: 16/03/2014, 14:20

10 501 0
Báo cáo khóa học: Endoplasmic reticulum-associated degradation of glycoproteins bearing Man5GlcNAc2 and Man9GlcNAc2 species in the MI8-5 CHO cell line docx

Báo cáo khóa học: Endoplasmic reticulum-associated degradation of glycoproteins bearing Man5GlcNAc2 and Man9GlcNAc2 species in the MI8-5 CHO cell line docx

... proportion of Man5 and Man9 species bound to LLOs and glycoproteins This demonstrates that both species were transferred with different proportions according to the relative abundance of each species present ... (A, B, C and D) and glycoproteins (E, F, G and H) were analyzed by HPLC as described in Experimental procedures (D) and (H) correspond to the pattern of oligomannosides bound to LLO and glycoproteins, ... of LLO and oligomannoside species bound to newly synthesized glycoproteins during Glc deprivation of MI8-5 cells MI8-5 cells were preincubated in 0.175 mM Glc for 20, 40 and 120 min, and then...

Ngày tải lên: 16/03/2014, 16:20

7 391 0
Serological Diagnosis of Certain Human, Animal and Plant Diseases Edited by Moslih Al-Moslih potx

Serological Diagnosis of Certain Human, Animal and Plant Diseases Edited by Moslih Al-Moslih potx

... Certain Human, Animal and Plant Diseases Fig The probability of H pylori infection by UBT and IgG level in the study group by GAM and GLZ Tests UBT test and ELISA UBT test and HelicoTest n Study ... method is often slow and requires considerable technical expertise and equipment Cell 30 Serological Diagnosis of Certain Human, Animal and Plant Diseases cultures are more convenient and less expensive ... Diagnosis of hand, foot and mouth disease Hand, foot and mouth disease is a human syndrome caused by intestinal viruses of the Picornaviridae family The most common strains causing hand, foot and mouth...

Ngày tải lên: 23/03/2014, 16:21

170 863 0
POULTRY A GUIDE TO ANATOMY AND SELECTED SPECIES pot

POULTRY A GUIDE TO ANATOMY AND SELECTED SPECIES pot

... the base of the lower bill along the upper throat A young goose is called a gosling An adult male is a gander; and an adult female, a goose Pigeons, guineas, and various ornamental and game birds ... eyes, eye ring (eyelid), hackles, thigh, lower leg, hock joint (ankle), shank (foot), toes, and claw The lower part of the beak is hinged at the jaw and is movable; the upper part of the beak ... are not easily distinguished in the standing chicken as they are located along each side of the body and well covered with feathers The lower leg is feathered and articulates at the hock joint with...

Ngày tải lên: 23/03/2014, 21:20

20 450 0
Fertility and Reproductive Preferences in Post-Transitional Societies pdf

Fertility and Reproductive Preferences in Post-Transitional Societies pdf

... discrepancy between actual and preferred fertility and its implications for future fertility trends will be examined below After a brief overview of levels and trends in fertility and reproductive preferences ... the sex ratio at birth and lowers fertility It also raises replacement fertility, thus accelerating the trend to below-replacement fertility Rising age at childbearing The fertility- depressing ... Bongaarts, John and Robert G Potter 1983 Fertility, Biology, and Behavior New York: Academic Press Bongaarts, John and Griffith Feeney 1998 “On the tempo and quantum of fertility, ” Population and Development...

Ngày tải lên: 28/03/2014, 14:20

41 548 0
Báo cáo hóa học: " Bifurcation analysis of a diffusive model of pioneer and climax species interaction" pot

Báo cáo hóa học: " Bifurcation analysis of a diffusive model of pioneer and climax species interaction" pot

... theoretical analysis and simulation, and drafted the manuscript JW conceived of the study, and participated in its design and coordination and helped to draft the manuscript All authors read and approved ... be such that L(l1)q = iωq and let q* = M(a*, b*)T sin(x/ℓ) be such that L(l1)T q* = -iωq*, and moreover, 〈q*, ¯ q〉 = and q∗ , q = Here π u, v = ¯ uT vdx, u, v ∈ X Liu and Wei Advances in Difference ... c22 As in [4], in the following, we will limit our analysis to the case z3 >z2 and z1 >c11 z2, z2 >c22 z1 Immediately, the condition c11c22 < follows as a consequence, and then E1 is a constant...

Ngày tải lên: 20/06/2014, 22:20

11 280 0
Báo cáo hóa học: "Two novel low-power and high-speed dynamic carbon nanotube full-adder cells" pdf

Báo cáo hóa học: "Two novel low-power and high-speed dynamic carbon nanotube full-adder cells" pdf

... adder and the design in [13] is the slowest full adder Proposed low power dynamic carbon nanotube full adder is 46% slower than the design in [15], 12% slower than the design in [6], 39% slower ... [13], and 89% less than the design in [6] The PDP of the proposed full adder is 90% lower than the design in [6], 81% lower than the design in [13], 82% lower than the design in [14], and 3% lower ... “0” and COUT output is unchanged and it is equal to “1.” At this phase when SIGMA is “1,” the T1, T2, and T3 transistors are “off.” As a result, both outputs, SUM and COUT, are unchanged and...

Ngày tải lên: 21/06/2014, 00:20

7 929 0
Báo cáo hóa học: " Research Article A Low Delay and Fast Converging Improved Proportionate Algorithm for Sparse System Identification" potx

Báo cáo hóa học: " Research Article A Low Delay and Fast Converging Improved Proportionate Algorithm for Sparse System Identification" potx

... is slower compared to IPNLMS and IPMDF due to its relatively slow convergence rate Although delay exists for the IPMDF algorithm, the reduction in delay due to the multidelay structure allows ... [14] E H¨ nsler and G U Schmidt, “Hands-free telephones - joint a control of echo cancellation and postfiltering,” Signal Processing, vol 80, no 11, pp 2295–2305, 2000 [15] J.-S Soo and K K Pang, ... step-size and δ is the regularization parameter The L × L diagonal control matrix Q(n) determines the step-size of each filter coefficient and is dependent on the specific algorithm as described below...

Ngày tải lên: 22/06/2014, 19:20

8 299 0
w