scholarly journals Rangeland Condition Assessment Based on Economic Criteria

2016 ◽  
Vol 9 (2) ◽  
pp. 83-96 ◽  
Author(s):  
Amir Ahmadpour ◽  
Gholam Ali Heshmati ◽  
Ramtin Joulaie
Keyword(s):  
Ecological Restoration ◽  
Quantitative Measurement ◽  
Condition Assessment ◽  
Rangeland Management ◽  
Current Concept ◽  
The Real ◽  
Operation Costs ◽  
Rangeland Condition ◽  
Economic Criteria

Abstract The current concept of rangeland condition is faced with many problems that make it difficult for managers to apply. The concept is based on climax theory, which itself has been criticised by many scientists, as it also fails to reflect the real status of rangelands based on all the functions and benefits that they are able to provide. Considering the objectives of rangeland management, a new concept of rangeland condition based on ecological and economic criteria (ECEA) is suggested in this article. In this concept, rangeland condition is achieved as ‘the ratio of current benefits of a rangeland to the operation costs for its ecological restoration (to the extent that the most sustainable benefits provided). Furthermore, based on this new concept an equation is developed for quantitative measurement of the rangeland condition. We believe that this new concept can solve many problems around the existing concept of rangeland condition.

Rangeland condition assessment in the Gobi Desert: A quantitative approach that places stakeholder evaluations front and Centre

2021 ◽  
Vol 181 ◽  
pp. 106891
Author(s):  
Steve J. Sinclair ◽  
Otgonsuren Avirmed ◽  
Matthew D. White ◽  
Khorloo Batpurev ◽  
Peter A. Griffioen ◽  
...  
Keyword(s):  
Condition Assessment ◽  
Quantitative Approach ◽  
Gobi Desert ◽  
Rangeland Condition

scholarly journals Dose Analysis of Photobiomodulation Therapy in Stomatology

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Chuan-Tsung Su ◽  
Chung-Ming Chen ◽  
Chun-Cheng Chen ◽  
Jih-Huah Wu
Keyword(s):  
Power Density ◽  
Quantitative Measurement ◽  
Light Propagation ◽  
Laser Light ◽  
Target Tissue ◽  
The Real ◽  
Quantitative Calculation ◽  
Attached Gingiva ◽  
Simulation Results ◽  
Acupoint Stimulation

The penetration depth and the power density of photobiomodulation (PBM) in human tissue under real conditions remain unclear to date. A novel quantitative measurement method was proposed in this study. This study aimed to design a noninvasive measurement system for the quantitative calculation of PBM dose on the attached gingiva. A flexible facial fixture appliance (FFFA) and nine piece detectors were mounted on the retainer to detect the real dose of 660 and 830 nm lasers on the attached gingiva. In addition, the angular distribution of light scattering and the light propagation in the biotissue were obtained. Two cases (a female and a male) are presented in this study. Experimental results demonstrated that the real power density of laser in the target tissue can be measured exactly after the laser light penetrates the orbicularis oris. Simulation results match with real conditions. Conversely, slight differences in power density are observed in the tissue radiated with collimated and uncollimated laser. The proposed method can be used to calculate the real dose in the target tissue for stomatology and deep acupoint stimulation.

scholarly journals Condition assessment: From good choice of methods to reliable results that meet the customer demand

2018 ◽  
Vol 199 ◽  
pp. 01008
Author(s):  
Alexander Taffe
Keyword(s):  
Condition Assessment ◽  
Good Choice ◽  
Customer Demand ◽  
The Real ◽  
Uncertainty In Measurement ◽  
Use Of Data ◽  
The Stability ◽  
Non Destructive ◽  
Expression Of Uncertainty ◽  
Destructive Methods

Condition assessment of structures reveals information of the inner structure and its condition. To be insightful the testing task has to be defined regarding the target state defined by the customer. Questions such as “What method should be applied?”, “Where should be measured at what time?” and “How many measurements are sufficient?” have to be answered to guarantee reliable results. Often it is obvious that the additional use of non-destructive methods makes sense. But what method is the most appropriate and what strategy should be applied? This contribution will help to develop a strategy to achieve reliable results. Reliable results have to be accurate which means that reliable results have to be true and precise. According to the GUM (Guideline to the expression of Uncertainty in Measurement) the procedure how to evaluate data statistically will be demonstrated. Furthermore, it will be shown how statistically evaluated data can be used in static calculations to furnish the proof of the stability of the real as-built structure. This profoundly use of data contributes to make good and reliable decisions.

Social Networks as a Tool to Improve the Life Quality of Chronic Patients and Their Relatives

2013 ◽  
pp. 172-186
Author(s):  
Miguel Guinalíu ◽  
Javier Marta ◽  
José María Subero
Keyword(s):  
Social Networks ◽  
Health Service ◽  
Life Quality ◽  
Real Case ◽  
Chronic Patients ◽  
The Real ◽  
Medical Needs ◽  
Real Value ◽  
Economic Criteria

The evolution of society has modified the medical needs of the population from social and economic criteria. Social networks can partially help these new medical demands contributing to improve the life quality of chronic patients and their relatives through the modification of the ways of communication and interaction. In order to analyze the real value of social networks in this chapter the authors study a real case. This analysis allows them to identify the benefits that social networks can provide to chronic patients, as well as the barriers that must be considered to implement them as health service tools.

Impact of grazing system on rangeland condition and grazing capacity in Zimbabwe

2017 ◽  
Vol 39 (3) ◽  
pp. 219
Author(s):  
J. Gusha ◽  
M. Masocha ◽  
P. H. Mugabe
Keyword(s):  
Biomass Yield ◽  
Floristic Composition ◽  
Woody Species ◽  
Rangeland Management ◽  
Grass Species ◽  
Stem Density ◽  
Grazing System ◽  
Rangeland Condition ◽  
Communal Rangelands ◽  
Grazing Capacity

The influence of different land tenure and rangeland management systems on rangeland condition and livestock grazing capacity in African rangelands is not well documented. A rangeland condition assessment was carried out at 15 sites located in the communal grazing system, small-scale commercial grazing system and the large-scale commercial grazing system in Zimbabwe. Rangeland indicators assessed were: floristic composition, herbaceous biomass yield, shrub stem density and grazing capacity. Grass species composition and forage value were analysed using PROC FREQ procedure of SAS 9.3. Fisher’s exact test was performed to test for independence of the grass variables between grazing systems. A one-way ANOVA was used to test for significant differences (P < 0.05) in floristic composition, shrub stem density, herbaceous biomass yield and grazing capacity among the three grazing systems. It was observed that communal rangelands had significantly high levels of woody species, unpalatable wiry grass species, low biomass yield and were dominated by the invading shrub Helichyrsum kraussii compared with the other rangeland management systems. These results suggest that if control measures are not put in place, livestock production may not be feasible in communal rangelands in the near future because of high levels of rangeland deterioration when compared with the commercially managed rangelands. Furthermore, the observed high stem density of unpalatable woody species and the low grazing capacity of communal rangelands affect livestock production, a primary source of livelihood. This warrants a change in rangeland management system in favour of the rest-rotation grazing system, which is beneficial to both livestock and the range.

scholarly journals Rangeland Condition and the Appropriate Rangeland Management Methods

2020 ◽  
pp. 524-531
Author(s):  
Kambiz KAMRANİ ◽  
Hosein ARZANİ ◽  
Seyed Akbar JAVADİ ◽  
Reza AZİZİ NEJAD
Keyword(s):  
Rangeland Management ◽  
Rangeland Condition

Measurement of knowledge diffusion efficiency for the weighted knowledge collaboration networks

Kybernetes ◽  
2017 ◽  
Vol 46 (4) ◽  
pp. 672-692 ◽  
Author(s):  
Jiafu Su ◽  
Yu Yang ◽  
Na Zhang
Keyword(s):  
Measurement Method ◽  
Quantitative Measurement ◽  
Subjective Evaluation ◽  
Knowledge Diffusion ◽  
Collaboration Networks ◽  
Content Type ◽  
The Real ◽  
Weighted Networks ◽  
Weighted Model ◽  
Knowledge Collaboration

Purpose The purpose of this paper is to propose a valid and quantitative measurement method of knowledge diffusion efficiency for the knowledge collaboration networks (KCNs). Design/methodology/approach This paper builds a weighted KCN model with the node and edge weights. Based on the weighted KCN, the factors of knowledge diffusion efficiency are proposed and analyzed. Then, the knowledge transfer effect between two nodes is proposed and measured by comprehensively integrating the above factors. Furthermore, the main metric of efficiency of knowledge diffusion is proposed by modifying Latora and Marchiori’s model of efficiency of network. Findings A case is studied to illustrate the applicability of the proposed weighted network model and the knowledge diffusion efficiency measurement method. The results show the methods proposed in this paper can better measure and analyze the knowledge diffusion efficiency of KCNs than the traditional un-weighted methods and the subjective evaluation methods. Originality/value The real KCNs are always weighted networks. The weighted model of KCN can better reflect the real networks than the un-weighted model. Based on the weighted networks, the measurement methods proposed in this paper can more efficiently and accurately measure and evaluate the knowledge diffusion efficiency than the traditional methods. This study can help researchers to better understand knowledge diffusion theoretically, and provide managers with a decision support for knowledge management in practice.

Sign in / Sign up

Export Citation Format

Share Document