disturbance in temperate forests of the northern hemisphere

... Taken together, these findings indicate that invasion of young infected foxes into the territories left by the hunted foxes could maintain or increase the prevalence rate of infection In Japan, ... are then used to finance the program, including the costs of the anthelmintic-fortified baits and fecal examinations In addition, WAO, with the help of the OIE reference lab, spearheaded an information ... areas in- stead of hunting The differences observed in the efficacy of the Japanese treatment method and the German method indicate that the use of fox culling or hunting for evaluation of control...

Ngày tải lên: 07/08/2014, 20:23

... characteristics, the time since last thinning τ and the thinning intensity I were retained for this study Thinning intensity I is defined in terms of basal area, being equal to the ratio of absolute G variation ... since thinning increased (data not shown) Thus the influences of stand age, time since last thinning and intensity of last thinning on extinction coefficient b (relationship (2)) were further analyzed ... species with thinning information, the models that took into account at least one of the thinning features had the best values of adjusted R2 3.2 Qualitative derivation of the effects of stand parameters...

Ngày tải lên: 08/08/2014, 01:22

... valid for the species nowadays called C alpina The observations done during the strong swarming of adults, that occurred in the Skrzyczne massif in the eighties, indicated the probability of the occurrence ... areas of Europe as C. alpina Beneš (1976) finally stated the autonomy of these species, separated them and cleared the terminology In relation to the revision by Beneš (1976), who solved the taxonomic ... using an entomological net The species caught in Beskid Śląski, Beskid Sądecki and the Gorce in the eighties and nineties, which are available in the collection in Cracow, were determined mainly...

Ngày tải lên: 07/08/2014, 03:22

... stands In the present paper, the population dynamics of As is described in larger forest complexes of southern Moravia depending on the biotope and food supply including the response of the population ... stand and the number of acorns was determined on each of the plots The acorns were then hulled and the net weight of kernels without peel was determined in grams These weights were then averaged ... to the dynamics of abundance during the six years J FOR SCI., 54, 2008 (8): 370–376 of our study the years 2002, 2004 and 2007 seem to be similar As the crop of seeds in the forests varied in the...

Ngày tải lên: 07/08/2014, 03:22

... especially in the early aggradation and the aggradation phases of the unmanaged forest Silver fir was the dominant species of snags ranging from 68% of the stems in the early aggradation phase to 96% in ... considerable among the young stems, contributing to the development of a pool of small dead trees The remaining trees formed the pool of old trees dying from the degradation phase In the degradation ... above 40 cm DBH in the managed sites of some selected forests in England as we noticed in our study site In most of the mixed forests of Europe, the SDT density of unmanaged old-growth forests varied...

Ngày tải lên: 08/08/2014, 00:21

... significant part of the nutrient content of the forest (e.g [49]), especially in the younger stages of stand development [56] It may also influence the nutrient fluxes in the ecosystem during throughfalls ... coring the base of a tree with an increment borer Health of stands (indications of decline) and silvicultural management (uneven-aged stand or recent thinnings) were recorded based on visual inspection ... (soil pH < 5) The sites were located in the northern half of France At each site, two to five stands, growing side by side and of different dominant species, were selected (Tab I) The tree species...

Ngày tải lên: 08/08/2014, 01:21

... and in ) the oak forest; in contrast, the pine had the highest needle production The accumulated leaf litter before litterfall was therefore almost twice the amount in the pine forest than in the ... weighing either the total dried material, or the fallen leaves (after separation of these from the other tree organs in the harvested material), respectively the forest The accumulated leaves or the ... decomposition indices were established considering, under natural conditions, the total litter and only the leaf litter in each forest ecosystem The indices were determined in the forests during different...

Ngày tải lên: 08/08/2014, 19:21

... gradually increasing the temperature to 210 °C and maintaining it at this level to the end of the digestion These Cu analyses were carried out in the Department of Soil Science of the University of ... bark of the holm oak forest contain a large proportion of the nutrient content, as is usual in forest ecosystems, because of their great quantity The main part of the Fe, Zn and Cu is found in the ... Micronutrient levels in the biomass The micronutrient levels in the biomass obviously depend on the quantity of the biomass In figure we show the distribution of Mn, Fe and Zn in the holm oak Table...

Ngày tải lên: 09/08/2014, 03:24

... CLT and teaching speaking and group work in teaching speaking are reviewed Chapter Three describes the methodology used in the research study The findings of the procedures in organizing group work, ... main stages: setting up (organizing the pairs and group/ giving instructions), monitoring (listening to the pairs/ groups during the activity and guiding / giving support/ making notes) and winding ... experience, the ten interviews were conducted in Vietnamese At the beginning of each interview, the students were explained clearly, explicitly and unambiguously about the nature of the study During the...

Ngày tải lên: 07/11/2012, 14:50

... understanding of the store by evaluating the store in terms of the factors comprising the choice criteria Based on the evaluation, the consumer 18 forms a degree of preference for the store If ... 20.10% Here there is again opposing behavior in prior intention of going supermarkets between the two groups, describing in table 4.9 The option “plan before going” appeared much more often in heavy-users ... kind of store is the main reason to pull the non-users into supermarkets, while the heavy ones go there mainly for buying everyday necessities, for what the core business of the stores offer...

Ngày tải lên: 13/04/2013, 10:30

... colonizers – the British Fecund Fringes of the Northern Fertile Crescent 57 introducing them to the East Indies, and both the British and the French taking the nuts in the opposite direction to their ... animals to the growing pool – the ass (Equus asinus) and the guinea fowl or hen (Numida meleagris).19 And of the two (astoundingly, in view of the many 54 A Movable Feast large animals the continent ... African natives, with their many names in many languages indicating that they have truly traveled the world They had a head start in such globetrotting because of the antiquity of their domestication...

Ngày tải lên: 01/11/2013, 11:20

... brought about the collapse of the Old Kingdom in Egypt, Sumerian civilization in Mesopotamia (from the Greek meaning between the rivers), and Harrapan civilization in the Indus Valley These early ... combine the two by breeding Triticum and Secale to become the hybrid Triticale.15 Wild rye grew to the north of the range of wild wheat and barley in western Asia – in the Taurus Mountains of ... probably the oldest of the cultivated legumes (which includes peas and beans) In late Paleolithic times they were being gathered in the wild throughout much of the Old World and especially in a range...

Ngày tải lên: 01/11/2013, 11:20

... Non- linguistic contexts include : the type of communicative event; the topic; the purpose of the event, the setting including location, time of day, season of year and physical aspects of the ... with the help of interjections (2; p.67) Scholar I.P Krylova thinks that the main means of expressing modality is the mood of the verb Thus in English we find the Indicative Mood representing ... up the main points in Recapitulation and Limitations of the Study and makes Suggestions for the Futher Studies The part REFERENCES consists of all of the materials that the author has used in the...

Ngày tải lên: 18/12/2013, 10:08

... extra-axillary In the Sycamore the bud does not show while the leaf remains on the tree, as it is in the hollow of the leafstalk In the winter the bud has a ring-like scar entirely around it, instead of the ... covering, as in the Oaks, the whole forms an acorn If the coating has spiny hairs, as in the Chestnut and Beechnut, the whole is a bur The coating in these cases is an involucre If the coating ... end of the branches, being then called terminal, or in the axils of the leaves, then called axillary The stem of a solitary flower or the main stem of a cluster is called a peduncle; the stems of...

Ngày tải lên: 13/02/2014, 12:20

Ngày tải lên: 18/02/2014, 11:20

... based on the conserved amino acid sequences of the catalytic domain of members of the GH18 family resulted in the amplification of an expected 147 bp sequence Cloning and sequencing of this fragment ... composed of the sole Glyco_18 domain, the C-terminal tail of C gigas CLPs may not noticeably contribute to the structure and the function of these proteins Interestingly, Cg-Clp1 and Cg-Clp2 C-terminal ... from the oyster Crassostrea gigas [5] Interestingly, this protein, named C gigas chitinase-like protein (CgClp1) was found to be involved in the control of growth and remodelling processes in a...

Ngày tải lên: 19/02/2014, 00:20

... histidine (Fig 4A,C,D) However, in all C-domains of catalase– peroxidases, there is a conserved arginine (Arg622 in HalomarCPc) in the corresponding position, indicating that these domains lost their ... and thus the role of the corresponding part of the gene is also unknown These gene fusions together with single-copy genes of APXs and CCPs are ideal for investigating the evolution of a widespread ... only in some minor nodes is refining of the particular species within groups moderate In the case of PUZZLE, the likelihood mapping analysis also revealed strong support of all main nodes Hence, the...

Ngày tải lên: 19/02/2014, 16:20

... sperm-binding activity [10] and these active chains are mainly localized in the N-terminal region of the ZP domain of ZPB and the C-terminal region of the ZP domain of ZPC (Fig 5) In Molar ratio the ... Determination of the number of N-glycosylation sites We then investigated the number of N-glycosylation sites and the localization of N-linked chains in ZPA using the purified ZPA In the 15% gel, the ... whereas many sulfates are linked to the N-acetyllactosamine repeats of porcine zona proteins [7,24] The N-linked chains of the bovine zona Fig Anion-exchange HPLC of N-linked chains from tryptic N-glycopeptides...

Ngày tải lên: 21/02/2014, 03:20