response of benthic algal communities to natural physical disturbance

... the dense network of lake‐sediment pollen records that is available for New England Knowledge of subregional responses of vegetation to climate change is of particular value to scientists, conservationists, ... in the case of a sample with a Pinus subgenus Pinus percentage value of 13%, the application of a ratio of 0.75:0.25 instead of 0.5:0.5 yields a Pinus banksiana pollen percentage of 10% rather ... records To reduce the influ-ence of uneven sampling on multivariate analysis of the pollen data, we interpolated the records at 200‐year intervals, which is similar to the mean sampling interval of

Ngày tải lên: 30/10/2022, 16:43

... reliability is often required Programming languages are important tools used by programmers to develop CPS They provide a programmer with the ability to transform designs into machine code Of equal ... been devised to aid in the production of error-free software Programming languages are another such tool In much the same way CPS exist at the boundaries of the computational and physical worlds, ... importance of software-correctness in CPS and the potential consequences of software-related errors 2.2 Security For many CPS, where the device is physically separated from any source of unwanted,

Ngày tải lên: 02/11/2022, 01:16

... reliability is often required Programming languages are important tools used by programmers to develop CPS They provide a programmer with the ability to transform designs into machine code Of equal ... been devised to aid in the production of error-free software Programming languages are another such tool In much the same way CPS exist at the boundaries of the computational and physical worlds, ... importance of software-correctness in CPS and the potential consequences of software-related errors 2.2 Security For many CPS, where the device is physically separated from any source of unwanted,

Ngày tải lên: 02/11/2022, 01:16

... understanding of the response of MTA abundance to experimental climate manipulation, in particular to disentangle temper-ature effects from wetness effects Evaluating the responses of microbial communities ... effect size index (SES) to estimate the response of MTA to global warming each year SES was calculated as: observed response of MTA in warmed plots – observed response of MTA in control plot/standard ... (2014). 6 Flynn, K J et al Misuse of the phytoplankton–zooplankton dichotomy: the need to assign organisms as mixotrophs within plankton functional types J Plankton Res 35, fbs062–11 (2012). 7

Ngày tải lên: 19/11/2022, 11:49

... recruitment of sassafras to sapling status; it remains to be seen whether this occurs in coming years Shade-tolerant and understory species.—The group of shade-tolerant or understory species, ... advance oak-hickorygrowth without topkill, some proportion of oaks and hickories can be expected to advance to the canopyfollowing natural disturbance or harvest of current canopy On mesic sites, ... influences of topography,moisture, burn intensity, partial harvest, andcompetition on regeneration response, all with an intent to enable prediction of oak-hickoryregeneration success in the context of

Ngày tải lên: 04/12/2022, 15:15

... Summary of Thesis Research.The following chapters describe the application of iminium activationtechnologies towards the total syntheses of natural products The development of the firstorganocatalytic ... contributions to the transition SÉAf€ cành HH HH HH re, 41 Total Synthesis of the Spiculisporic Acids: Exploitation of the Trang 16Chapter 3: Progress Towards the Total Synthesis of Cylindrocyclophane ... 7 Addition to C=N bond in the diastereoselective alkyÏafiOn uc LH, 235 8 AAA of cyclic ketones by Stoltz and “TTOSẲ - HH HH TH HH ng 237 Trang 1811 Completion of the synthesis of cylindrocyclophane

Ngày tải lên: 02/10/2024, 01:42

... livestock and poultry sector Chicken rearing is one of the most suitable activities to improve the livelihoods of the poor due to the advantage it has in terms of the small amount of capital required ... Economics of broiler production The economic profit was calculated according to both market price of one-kilogram of feed and the prevailing market price of one-kilogram live bird weight at 42 days of ... Government of India New Delhi A O A C (1995) Official Methods of Analysis, 16th ed Association of Official Analytical Chemist, Washington D C Atuahene C C., Akowuah D and Adjei M B (2013) The Effect of

Ngày tải lên: 17/03/2020, 19:42

... through physical engagement. 2.3.2 Objectives of Total Physical Response Method Total Physical Response (TPR) is developed to enhance the effectiveness of teaching and learning a new language Educators ... primary goal of Total Physical Response (TPR) is to develop oral proficiency at the beginner level, emphasizing comprehension as a means to achieve speaking skills The ultimate aim of TPR is to enable ... physical world Therefore, incorporating methods like Total Physical Response (TPR), which uses physical activity to respond to commands, is highly effective TPR leverages the "trace theory" of

Ngày tải lên: 31/10/2022, 21:35

... ref-erenceparameter,becausecelldensitiesofthe4Klebsormidium strainsweredifficulttodeterminebecauseofthefilamentous mor-phologyandthefactofuncontrolleddisintegration intosmaller fragmentsofsomeoftheisolates.The3mLKlebsormidium ... susceptibil-itytoenhancedphotonfluenceratesexpressedbyindividualtaxa indicatesacomplexspatialarrangementofthealgalspeciesinsuch amicrohabitat,whichseemstobestructuredinresponsetothe verticalattenuationofirradiance(Grayetal.,2007).Under ... couldberealized(seeabove),aPAM 2500wasadditionallyusedtoapplyphotonfluenceratesupto 1432␮molphotonsm−2s−1forthedeterminationoflight-induced rETRandpossiblephotoinhibitoryeffects.Cellsofeach Klebsormid-iumstrain weretransferredon4replicate

Ngày tải lên: 02/11/2022, 14:30

... center of each plot and used a 12-megapixel digital camera (Nikon COOLPIX S3100; Nikon Corporation, Tokyo, Japan) to take photographs of the board from each square plot edge at a height of 1.0 ... calculated the proportion of pixels obscured by dead and live vegetation to total number of pix-els in the clipped photograph (Fig 2) We aver-aged the four structure estimates of vegetative structure ... work identifies the importance of both habitat structure and insect prey in defining the composition, abundance, and richness of forest spider communities A long history of heavy browsing pressure

Ngày tải lên: 24/11/2022, 17:45

... composition of the benthicand planktic foraminiferal assemblages The aim of the present work istherefore mainly to understand the response of the eastern Indian Oceanbenthic foraminiferal distribution to ... better understanding of the response of the benthic foraminiferal distribution to the Indonesianseaway closure 2 Indonesian seaway closure In the course of the northward drift of Australia and Tasmania ... (Tchernia1980).The region of Exmouth off western Australia is geographically andtopographically identical to the other eastern boundary regions Therefore,the trade wind blowing equatorwards off western Australia

Ngày tải lên: 04/12/2022, 16:06

... simple division of the EQR scale to more ecologically basedapproaches as shifts infish communities i.e change from dominance of phytophilic to eurytopic species related to disappearance of habitat ... 2000/60/EC of the European Parliament and of the Council of 23rd October 2000 establishing a framework for Community action in the field of water policy Official Journal of the European Communities, ... Trang 1Response of fish communities to multiple pressures: Development of atotal anthropogenic pressure intensity index Sandra Poikanea,⁎ , David Ritterbuschb, Christine Argillierc, Witold Bia

Ngày tải lên: 04/12/2022, 16:06

... vocabulary to young learners, Total Physical Response and implementation of TPR in classroom 2.1 Teaching Vocabulary 2.1.1 Definitions of Vocabulary Vocabulary is one of the most essential aspects of ... appeals to children’s attention and encourages them to have favorable attitudes to learning English Although much work has been done to explore issues relating to the use of TPR method to young ... using Total Physical Response in teaching English vocabulary to young learners at primary schools in Quy Nhon city” 1.2 Aim and Objectives of the Study 1.2.1 Aim of the Study This study aims to

Ngày tải lên: 25/03/2024, 14:51

... asymmetry of the response of bank interest rates to monetary policy shocks Using an Asymmetric Vector Error Correction Model (AVECM), it analyses the pass-through of changes in money market rates to ... integration of the matrix Π In fact, the rank of Π determines the number of cointegrating vectors (r) such that α is a n × r matrix of loading coefficients and β is a n × r matrix of cointegrating vectors ... geared to achieve the convergence of Italian interest rates towards those prevailing in the euro area 14 This framework can be used to apply Johansen’s trace test to verify the order of integration...

Ngày tải lên: 17/02/2014, 03:20

... order to look at the pattern of response rather than the significances between treatment means The value of regression analysis is that we would expect the response pattern to hold regardless of ... (D) response to area of weed control only control at Summit resulted in a gain of 81% (6.5 dm3) compared to a non-significant 17% (1.4 dm3) at Marcola Largely as a result of the different response ... Regression analysis was used to further understand the effect of area of control on eighth-year responses Model fit tended to be better at the Summit site (R2 ranging from 0.68 to 0.87) than the Marcola...

Ngày tải lên: 08/08/2014, 00:22

... and McNaughton, 1986; McNaughton and Jarvis, 1991) One approach used to determine the stomatal response to environmental factors is the boundary-line analysis, which may approximate the response ... addition to leaf water status possibly due to the decrease These types of limitation of the empirical model have been previously noted According to Jarvis (1976), interpretation of the response to ... order to interpret plant responses to fluctuations in several major environmental factors, a boundary-line analysis was applied A semi-empirical model of stomatal conductance was used to improve...

Ngày tải lên: 08/08/2014, 18:21

... levels of physiological responses of plants to soil flooding, it is important to quantify oxygen demand in the root environment Additionally, common responses of trees to root hypoxia include stomatal ... presence of flooding Assessment of physiological response of P taeda seedlings to salt stress is of great importance in order to identify the possible adaptation and (or) acclimation to saline ... Maintenance of positive net photosynthesis is an important factor contributing to the survival and growth of a given species under nonlethal salinity conditions Reports of stomatal and photosynthetic...

Ngày tải lên: 08/08/2014, 23:22

... during the course of sucrose starvation could be attributable to a progressive diminution of the cytoplasmic compartment and particularly to a diminution of the number of mitochondria per cell ... attributable to a progressive diminution of the number of mitochondria per cell Discussion was Effect of sucrose replenishment Addition of 50 mM sucrose to the nutrient medium after 35 h of sucrose ... therefore that the total amount of NTP per unit volume of cytoplasm might be maintained if the total cytoplasmic volume dropped sharply Fig also shows that, after 35-40 h of sucrose starvation,...

Ngày tải lên: 09/08/2014, 04:20

... major contributors to the TNFα load in RA RA, where the molecule seems to act as an inhibitory regulator of cytokine production [47] In its absence, one would expect cytokines to reach extremely ... ApoA-1 To analyse the contribution of ApoA-1 to the inhibitory activity Direct cell–cell contact of monocytes/macrophages with preactivated T lymphocytes leads to the secretion of high levels of ... preincubation of monocytes in RA sera was found to induce the inhibitory effect, preincubation with healthy sera To analyse the influence of clinical parameters of disease activity on the inhibitory activity...

Ngày tải lên: 09/08/2014, 07:20

... higher level of CD25 - Tregs, but to a decreased expansion of these cells in response to RA or TGFb The PBX1 isoforms did not affect the expansion of Tregs by RA, TGFb, or the combination of the two ... higher level of CD25- Tregs, but to a defective expansion of these cells in response to TGFb and RA The nature of the molecular events by which PBX1-d promotes CD25Treg expansion remains to be determined ... the ex vivo expansion of natural human T regulatory cells PLoS ONE 2011, 6:e15868 21 Chen Y, Cuda C, Morel L: Genetic determination of T cell help in loss of tolerance to nuclear antigens J Immunol...

Ngày tải lên: 12/08/2014, 17:22