high turnover
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2022 ◽  
Vol 9 ◽  
Author(s):  
Ignacio Escalante ◽  
Marisol Domínguez ◽  
Daisy A. Gómez-Ruiz ◽  
Glauco Machado

Many animals form aggregations with individuals of the same species (single-species aggregations, SSA). Less frequently, individuals may also aggregate with individuals of other species (mixed-species aggregations, MSA). Although the benefits and costs of SSA have been intensively studied, the same is not true for MSA. Here, we first review the cases of MSA in harvestmen, an arachnid order in which the records of MSA are more frequent than other arthropod orders. We then propose several benefits and costs of MSA in harvestmen, and contrast them with those of SSA. Second, using field-gathered data we describe gregariousness in seven species of Prionostemma harvestmen from Costa Rica. These species form MSA, but individuals are also found solitarily or in SSA. We tested one possible benefit and one possible cost of gregariousness in Prionostemma harvestmen. Regarding the benefit, we hypothesized that individuals missing legs would be more exposed to predation than eight-legged individuals and thus they should be found preferentially in aggregations, where they would be more protected from predators. Our data, however, do not support this hypothesis. Regarding the cost, we hypothesized that gregariousness increases the chances of parasitism. We found no support for this hypothesis either because both mite prevalence and infestation intensity did not differ between solitary or aggregated individuals. Additionally, the type of aggregation (SSA or MSA) was not associated with the benefit or the cost we explored. This lack of effect may be explained by the fluid membership of the aggregations, as we found high turnover over time in the number of individuals and species composition of the aggregations. In conclusion, we hope our review and empirical data stimulate further studies on MSA, which remains one of the most elusive forms of group living in animals.


2022 ◽  
Vol 8 (1) ◽  
pp. 65
Author(s):  
Giulio Barone ◽  
Cinzia Corinaldesi ◽  
Eugenio Rastelli ◽  
Michael Tangherlini ◽  
Stefano Varrella ◽  
...  

Fungi are a ubiquitous component of marine systems, but their quantitative relevance, biodiversity and ecological role in benthic deep-sea ecosystems remain largely unexplored. In this study, we investigated fungal abundance, diversity and assemblage composition in two benthic deep-sea sites of the Ross Sea (Southern Ocean, Antarctica), characterized by different environmental conditions (i.e., temperature, salinity, trophic availability). Our results indicate that fungal abundance (estimated as the number of 18S rDNA copies g−1) varied by almost one order of magnitude between the two benthic sites, consistently with changes in sediment characteristics and trophic availability. The highest fungal richness (in terms of Amplicon Sequence Variants−ASVs) was encountered in the sediments characterized by the highest organic matter content, indicating potential control of trophic availability on fungal diversity. The composition of fungal assemblages was highly diverse between sites and within each site (similarity less than 10%), suggesting that differences in environmental and ecological characteristics occurring even at a small spatial scale can promote high turnover diversity. Overall, this study provides new insights on the factors influencing the abundance and diversity of benthic deep-sea fungi inhabiting the Ross Sea, and also paves the way for a better understanding of the potential responses of benthic deep-sea fungi inhabiting Antarctic ecosystems in light of current and future climate changes.


2022 ◽  
Vol 6 ◽  
Author(s):  
Luh Citra Wirya Astuti ◽  
A A N B Dwirandra ◽  
Ida Bagus Putra Astika ◽  
I Gde Ary Wirajaya

The purpose of this study was to analyze the effect of burnout on the turnover intentions of tax consultant employees in Bali with emotional intelligence and religiosity as moderating variables. The location of the research was carried out at the Tax Consultant Office in the Bali Region as a representation of the Tax Consultant Office in Indonesia, which was registered with the Indonesian Tax Consultant Association (IKPI) in 2021 which was obtained through the websitewww.ikpi.or.id. The population in this study are all employees who work at the Tax Consultant Office registered at IKPI Bali Branch. The data analysis technique used the MRA test. The results of the study indicate that burnout has a positive and significant effect on turnover intention or in other words, increased burnout will increase turnover intention. The higher emotional intelligence is not able to reduce the high turnover intention due to the increased burnout of tax consultant employees. The interaction between burnout and emotional intelligence has a negative and significant effect on turnover intention or in other words, high emotional intelligence will reduce turnover intention due to increased burnout.


2022 ◽  
Vol 18 (1) ◽  
pp. 0-0

Information systems development (ISD) is an integral part of organizational agility in today’s competitive business environment. High turnover, agile ways of working, and fluid work environments pose challenges for ISD. This paper explores the erosion of knowledge retention (KR) arising from ISD staff churn in a New Zealand-based financial organization in the aftermath of a major earthquake. In this exploratory study, the authors develop a causal model of KR in the ISD context, which articulates the challenges to and consequences of ineffective KR at the routine and exiting stages of KR. The model identifies four challenges—coordination complexity, insufficient resources for knowledge retention, insufficient attention to knowledge retention, and slow staff replacement and handover processes—that can affect the loss of ISD knowledge when routine and exiting KR fall into disarray. This study also reveals that role stress and reduced ISD agility reinforce the cycle of knowledge loss.


2022 ◽  
pp. 1208-1221
Author(s):  
Gülseren Yürcü ◽  
Ülker Çolakoğlu

In this study, the concepts related to leisure and wellness perceptions will be discussed in order to provide the work-life balance of tourism workers. With a descriptive analysis, it will be discussed how leisure time evaluation and wellness perception contribute to the work-life balance of tourism employees as strategies to cope with work and non-work problems. The fact that the work-life balance of tourism employees is at an optimum level is of great importance for the tourism industry where business factor and service quality are critical. Factors such as uncertainty environment, low labor morale, and high turnover rate constitute the general business life characteristics of tourism employees. As a result, the effect of leisure and wellness perceptions of tourism employees on coping with these factors and establishing work-life balance will be discussed in the light of related literature.


2022 ◽  
Author(s):  
Xiaomeng Cheng ◽  
Shaopeng Li ◽  
Shulin Liu ◽  
Xin Yu ◽  
Junjuan Yang ◽  
...  

Bimetallic platinum-copper alloy nanoparticles is a highly active catalyst for the oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) under base-free conditions, with a high turnover frequency up to 135...


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Faisal Khan ◽  
Syed Hamid Ali Shah ◽  
Romana Bangash

PurposeThis study is about the determinants of cash holding and impact of cash holding on mutual funds’ performance. In addition, the study analyzes the impact of performance-related determinants of cash holding on funds' performance.Design/methodology/approachPanel data of ten years of 190 open-end mutual funds are analyzed through fixed effect regression technique. The risk-adjusted funds' performance of cash based portfolios is computed through capital asset pricing model (CAPM) (1964), Fama and French (1993) and Carhart (1997) models.FindingsThe results indicate that small size funds, high charging front-end load funds, high turnover ratio funds, high 12-month fund returns run up, high dividend paying funds and high redemption level funds hold more cash for precautionary purpose to avoid costs of cash short-falls. Further, monthly average raw returns and risk-adjusted performance of funds with the lowest raw and residual cash holding are found higher than the funds with the highest cash holding. An increase in cash is found to dilute performance.Originality/valueThis is a pioneer study in a corporate environment with shallow capital market, reliance of businesses on bank credit, firms exposed to agency issues, wealth expropriations and existence of business groups with political linkages but with opportunities of investments due to expected favorable geo-socio-political situation. The study generates outcomes relevant for other similar economies.


2021 ◽  
Vol 9 (4) ◽  
pp. 811
Author(s):  
Diny Atrizka ◽  
Emily Andriki ◽  
Melisa Melisa ◽  
Natasya Natasya

Karyawan sebagai sumber daya satu-satunya yang memiliki pengetahuan, kreativitas, dan logika, menjadikan karyawan sebagai sumber daya yang memiliki peran utama dalam menjalankan suatu perusahaan serta mengelola organisasi tersebut agar dapat mencapai tujuan-tujuannya. Sayangnya, di masa ini jika dihitung secara kuantitas maka karyawan dengan tingkat komitmen organisasi yang rendah masih banyak. Hal ini dapat mengakibatkan berbagai kerugian terhadap perusahaan seperti kurangnya motivasi kerja, sering absen serta tingkat turnover yang tinggi. Salah satu faktor yang dapat memberi pengaruh atau influence terhadap tingkat komitmen organisasi adalah dengan meningkatkan kepuasan kerja karyawan. Untuk membuktikan sendiri korelasi antara kedua variabel tersebut, penelitian ini mengandalkan data yang didapatkan dari 102 karyawan PT. Leomas Anugerah Bersaudara dengan metodologi kuantitatif. Penelitian ini bertekad untuk mengetahui hubungan dan sebesar apakah dampak dari kepuasan kerja dalam mempengaruhi komitmen organisasi. Data yang didapatkan dari skala, kemudian dites dengan memanfaatkan korelasi Pearson Product Moment yang dibarengi dengan bantuan dari IBM SPSS Statistics 23 sebagai akomodasi pengujian hipotesis dimana hasil membuktikan terdapat korelasi yang positif antara kepuasan kerja terhadap komitmen organisasi. Employees as the only resources equipped with knowledge, creativity, and logic, make employees had a major role in running a company and managing the organization in ordered to achieve its goals. Unfortunately, many employees had low organizational commitment. This could result in various losses to the company such as lack of motivation, absent and high turnover rates. There were several factors that could affect organizational commitment, one of which was by increasing employee job satisfaction. To attest the correlation between the two variables, this study relied on data obtained from 102 employees of PT. Leomas Anugerah Bersaudara with quantitative methodology. This study was determined to prove the relationship and how big the impact of job satisfaction in influencing organizational commitment. The data acquired from the scale, then tested using the Pearson Product Moment correlation accompanied by assistance from IBM SPSS Statistics 23 as an accommodation for hypothesis testing where the results prove that there was a positive correlation between job satisfaction and organizational commitment.


2021 ◽  
Vol 9 (3) ◽  
pp. 155-162
Author(s):  
Benedikta Rina Pratiwi ◽  
Supriyantoro Supriyantoro ◽  
Hasyim Hasyim

The nurse shortage crisis is caused by the high turnover of nurses related to management practices that were not running optimally. Anticipatory efforts are critical to increase nurse retention by increasing self-motivation and work environment to increase job satisfaction on nurses as an impact. This study aimed to provide empirical evidence of the effect of self-motivation and work environment on nurse retention with job satisfaction as an intervening variable. This research used quantitative research with survey methods using questionnaires. The unit of analysis was a group of nurses PK 1 as many as 61 people. Data analysis used path analysis with multiple linear regression as the data analysis technique. Results showed that self-motivation and work environment had a significant effect on nurse retention with job satisfaction as an intervening variable. The variables of self-motivation and work environment each had a significant effect on job satisfaction. The variables of self-motivation, work environment, and job satisfaction each had a significant effect on nurse retention. The findings indicate that employees are dissatisfied with the work environment, both physical and non-physical, as well as the compensation and rewards provided by the company. We suggest to the hospital to give awards in the form of bonuses or incentives to nurses in accordance with work assessments. We also suggest for further research to examine more deeply about the four variables in this study with other research subjects to compare with the results of the research


2021 ◽  
Vol 8 ◽  
Author(s):  
Kugako Sugimoto ◽  
Hideki Fukuda ◽  
Isao Koike ◽  
Toshi Nagata

Transparent exopolymer particles (TEPs) play important roles in the regulation of carbon and pollutant (microplastics and spilled oils) transport in marine environments; however, the factors controlling TEP dynamics in coastal systems have yet to be fully clarified. A widely used colorimetric method quantifies TEPs as a homogeneous pool, which hampers the examination of internal TEP dynamics. Here, we used the microscopy to elucidate the seasonal dynamics of TEP subgroups and their controlling factors in Sagami Bay, Japan. TEPs were classified into three types: those not associated with other types of particles (Type I), those colonized by multiple types of particles (bacteria, algal cells, and detritus) (Type II), and those densely colonized by only bacterial clusters (Type III). Type II was generally the most dominant TEP component in terms of area, except in February, when Type I contributed substantially to the total TEP area. Type III was less abundant in terms of area but contributed substantially (up to 34%) to the total number of TEPs. The mean diameters were 14.0 ± 2.8 μm, 17.0 ± 5.8 μm, and 7.5 ± 0.9 μm for Type I, Type II, and Type III TEPs, respectively. Type I and Type III TEPs likely represent a transient phase of TEP development toward the formation of Type II, characterized by a high turnover and relatively low abundance in terms of area. The power-law slopes of the distributions of each TEP size, which reflected geometric features of the TEPs at steady state, changed dynamically over the seasons. The abundance of each type of TEP was significantly positively correlated with bacterial abundance, suggesting that bacteria are intimately involved in the regulation of internal TEP dynamics in Sagami Bay. Our results highlight the importance of investigating the internal dynamics of TEPs to improve current understanding of their roles in the regulation of carbon and pollutant transfer in marine environments.


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