Báo cáo lâm nghiệp: "Oak growth, development and carbon metabolism in response to water stress" pps

Báo cáo khoa học: Proteolysis of the tumour suppressor hDlg in response to osmotic stress is mediated by caspases and independent of phosphorylation pot

... FEBS 399 Proteolysis of the tumour suppressor hDlg in response to osmotic stress is mediated by caspases and independent of phosphorylation Francisco A. In ˜esta-Vaquera1, Francisco Centeno2, ... E-cadherinor other protein(s) in the hDlg complex under stressfulconditions, and the cortical cytoskeleton is thereforedisrupted and hDlg released into the cytoplasm. The lack of effect of an hDlg ... releasing it from the cytoskeleton into the cytoplasm [3].Our aim in this study was to gain a better under-standing of the role of hDlg phosphorylation by p38c when cells are exposed to hyperosmotic...

Báo cáo lâm nghiệp: "Germination of acorns and development of oak seedlings (Quercus robur L.) following flooding" pot

... weeks and live plants were found even after 14 weeks (R, B 2002). Under the aforementioned conditions Germination of acorns and development of oak seedlings (Quercus robur L.) following ... ﬂooded areas of North American ripa- rian forests (upland oaks) have a higher sensitivity to ﬂood than the oak species of the actual ﬂoodplains (bottomland oaks).e ﬂooding of Quercus robur seeds ... 1961. Germination of cherrybark and nuttal oak acorns following ﬂooding. Ecology, 42: 430–431.COLIN-BELGRAND M., DREYER E., BIRON P., 1991. Sen-sitivity of seedlings from diﬀerent oak species to...

Báo cáo lâm nghiệp: " Root system development and health condition of sycamore maple (Acer pseudoplatanus L.) in the air-polluted region of Krušné hory Mts" ppt

... diﬀerences in the root system development and health condition were found either between the trees of identical height from self-seeding and from planting in the region of Krušné hory Mts. and in the ... 452–461JOURNAL OF FOREST SCIENCE, 53, 2007 (10): 452–461 Root system development and health condition of sycamore maple (Acer pseudoplatanus L.) in the air-polluted region of Krušné hory Mts.O. ... trees of the same height from planting with severe and small root system deformations in the region of Krušné hory Mts. and in the region of Bohemian-Moravian Up-land.(7) Mutual comparison of...

Báo cáo lâm nghiệp: "Evaluation of physiological and health state of Norway spruce plants with diﬀerent growth rate at juvenile stage after outplanting at" pdf

... of young spruces with known growth rate in a nursery and after outplanting are carried out in the framework of the grant project “Conservation of the stability and biodiversity of Norway spruce ... practice). Height and diameter growth and health status of outplantings are evaluated regularly on this research plot. A more detailed evaluation of phenology and physiological state was done in ... crown devastation 01234 170 J. FOR. SCI., 57, 2011 (4): 170–177JOURNAL OF FOREST SCIENCE, 57, 2011 (4): 170–177Evaluation of physiological and health state of Norway spruce plants with diﬀ...

Báo cáo lâm nghiệp: "Air pollution load and stand nutrition in the Forest District Jablunkov, part Nýdek" docx

... of the 1990s. Forest soils showing the insuﬃciency of main nutrients remain today as the main factor aﬀecting the forest vitality. e situation in the soil is subsequently reﬂected in the nutrition ... of the decline of Norway spruce (Picea abies [L.] Karst.) stands in Jablunkov, with a focus on air pollution load, and the state of forest soil and nutrition of forest stands.MATERIAL AND ... factor aﬀecting the forest stands is the state of forest soils which shows the insuﬃciency of the main nutrients available, and sometimes in the total amount as well. e situation in the soil...

Báo cáo lâm nghiệp: "Post-transplant root and shoot development in Abies nordmanniana Spach. seedlings after whorl bud and branch pruning" potx

... fromtransplanting until September was 229% in untreated controls,147% in seedlings in which whorl and lateral buds and whorl branch tips had been removed and 79% where whorl and lat-eral buds and whorl branches ... attransplanting: Whorl and lateral buds and whorl branch tips removedA(), whorl and lateral buds and whorl branches removed B ( )and untreated control plants C (). Signiﬁcant diﬀerence according to ... Root length and root tipsTotal root length, including length of both tap and lat-eral roots, doubled from time of transplanting in April toﬁrst sampling in June in untreated controls and in...

Báo cáo lâm nghiệp: "Evaluation of competition and light estimation indices for predicting diameter growth in mature boreal mixed forests" pdf

... CONCLUSIONS In this examination of competition indices for predicting diameter growth in mixed- species forests, we found that theﬂexible, distance-dependent crowding index was superior toother indices, but ... based indices [6, 7, 27] is also costly to ob-tain in a forest inventory. The similarity amongst the ﬁt of Competition indices in boreal mixed forest 489mechanistically defensible. Lodgepole pine ... Evaluation of some competition indices for the pre-diction of diameter increment in planted white spruce, Can. For. Serv. Inf. Rep. FMR-X-108, 1978.[3] Bartelink H.H., Eﬀects of stand composition and...

Báo cáo lâm nghiệp: "Relationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern Spain" ppsx

... 10.1051/forest:2007052Original articleRelationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern SpainAntonio D.  Ca*, Rafael ... performance of Pinus halepensis Mill. In this order, the following questionswere addressed: (i) What is the relative in uence between stock quality and site quality on reforestation success within aparticular ... of site and plantpreparation techniques on reforestation of a Mediterranean semiarid ecosystem with Pinus halepensis Mill., New For. 29 (2005) 177–198. site and stock quality in Aleppo pine...

Báo cáo lâm nghiệp: "Predicting stand damage and tree survival in burned forests in Catalonia (North-East Spain)" pot

... available in planning. The mod-els should be able to predict the potential damage caused byﬁre in any forest stand in Catalonia, depending on the site and the structure of the stand. In addition ... the stand level was the proportion of trees that died as a resultof ﬁre (Tab. I).2.4. Stand- level damage modellingA stand- level ﬁre damage model was developed by testing a num-ber of stand- level ... relative variabilityof tree diameters. The variable is close to 1 in rather unevenstands and approaches to 0 in homogeneous stands.All the variables included in the stand damage model weresigniﬁcant...

Báo cáo lâm nghiệp: "Predicting site productivity and pest hazard in lodgepole pine using biogeoclimatic system and geographic variables in British Columbia" potx

... articlePredicting site productivity and pest hazard in lodgepole pine using biogeoclimatic system and geographic variables in British ColumbiaHarry X. WUa*, Cheng C. YINGb, Hong-Bo JUca ... has been expanded to interior spruce (Picea engel-mannii Parry and P. glauca (Moench) Voss) and lodgepole pine (Pinus contorta Dougl.) in site productivity [20, 34, 35] and pest hazards [19].The ... ecologically site spe-cific. Various approaches have been attempted to establish cor-relations of site climatic, edaphic and biotic factors with site productivity and pest hazards in lodgepole pine and...

Báo cáo lâm nghiệp:"Lack of allozyme and ISSR variation in the Rare endemic tree species, Berchemia berchemiaefolia (Rhamnaceae) in Korea" pptx

... 10.1051/forest:2003026Original articleLack of allozyme and ISSR variation in the Rare endemic tree species, Berchemia berchemiaefolia (Rhamnaceae) in KoreaSeok-Woo LEE*, Yong-Mo KIM and Won-Woo KIMKorea ... a minimumdistance of 20 m in order to decrease the risk of relatedness.However, within a couple of stands, some trees were sampled in closeproximity (within 20 m) until the goal of 30 trees ... worldwide. On the other hand, some authoritiesclassified B. berchemiaefolia as Rhamnella berchemiaefolia Makino, Chaydaia berchemiaefolia (Makino) Koidz, Berche-miella berchemiaefolia (Makino) Nakai,...

Báo cáo lâm nghiệp: "Roles of European and Japanese larch in the genetic control of growth, architecture and wood quality traits in interspecific hybrids (Larix × eurolepis Henry)" pot

... articleRoles of European and Japanese larch in the genetic control of growth, architecture and wood quality traits in interspecific hybrids (Larix ì eurolepis Henry)Luc E. PQUES*INRA, Unitộ ... – The respective roles of European and Japanese larch species in the genetic control of traits in interspecific hybrids are examined.Two incomplete factorial mating design experiments involving ... clones. In both factorials, the Japanese larch male component of variance is much higherthan that of European larch (Fig. 2) and the ratio Vm/Vf isincreasing over years in favour of the Japanese larch...

Báo cáo lâm nghiệp: "Oak growth, development and carbon metabolism in response to water stress" pps

... conflicting problem of main-taining some degree of photosynthesis whileminimizing water loss. Stomatal control in response to varying moisture stress is thefirst and perhaps ... decreases in stomatal conductance and photosynthe-sis, significantly decreases total carbon fix-ation. Water stress and carbon partitioningwithin the leaf Carbon partitioning to ... declines becauseof decreases in carbon fixation or shifts in carbon pools, starch hydrolysis and efficiencyof sucrose loading into the phloem mayincrease to maintain transport.Long-term...

Báo cáo lâm nghiệp: "Distribution, historical development and ecophysiological attributes of oak species in the eastern United States " pdf

... even in the absence of fire. ECOPHYSIOLOGICAL ATTRIBUTES OF EASTERN OAK SPECIES The studies reviewed in the previous sec-tions indicate that eastern oak species haveexpanded ... on the gently rolling till plains of Ohio and Indi-ana, and with Tilia americana in south-western Wisconsin, northwestern Illinois,northeastern lowa and southeastern Min-nesota. ... recruitment.CONCLUSION The rise in oak dominance in the eastern United States at the beginning of the Holocene epoch (10 000 years BP) wasassociated with warmer and drier condi-tions and...

Báo cáo lâm nghiệp: "Investigations on vitality and genetic structure in oak stands" pps

... influences of decline on genetic structure of stands in the next generation.Preconditions for that are investigations con-cerning the state of damage of oak trees and the complete ... gene conservation and forest tree breeding, it is important to gaininformation about the genetic structure effect on the sensitivity to ’European oak decline’ and the influences ... genetic structure of oak stands and subpopulations distinguished by their vitality. In principle, the results indicate the same tendency for the relationship between vitality...

Xem thêm