Reliability Program Research Articles

Effect of Hair Salon Selection Criteria on Consumer Behavior and Satisfaction

This study seeks to identify effects of hair salon selection criteria on consumer behavior and customer satisfaction in recent times to provide current management strategies for hair salons operating under the changing post-corona business conditions. 346 surveys were collected and ran through SPSS 21.0 program for frequency, reliability and multiple regression analysis. The outcome indicated competence and relation factors of selection criteria variable had statistically significant positive effect on all consumer behavior factors while price factor of selection criteria had negative effect on consumer behavior variable’s positive promotion factor. Competence and relation factors of selection criteria variable had positive effect on service and price satisfaction factors while increased tendency for price factor had reverse effect on service satisfaction factor. Therefore, in order to increase customer satisfaction and encourage positive promotional activities, hair salons shouldn’t focus too much on pricing as sometimes lower price can have little impact or even reverse effect on customer’s perception of service quality, and instead focus on implementing workplace training that enhances competency and relational abilities of professional hairdressers.

New Algorithm to Solve Mixed Integer Quadratically Constrained Quadratic Programming Problems Using Piecewise Linear Approximation

Techniques and methods of linear optimization underwent a significant improvement in the 20th century which led to the development of reliable mixed integer linear programming (MILP) solvers. It would be useful if these solvers could handle mixed integer nonlinear programming (MINLP) problems. Piecewise linear approximation (PLA) is one of most popular methods used to transform nonlinear problems into linear ones. This paper will introduce PLA with brief a background and literature review, followed by describing our contribution before presenting the results of computational experiments and our findings. The goals of this paper are (a) improving PLA models by using nonuniform domain partitioning, and (b) proposing an idea of applying PLA partially on MINLP problems, making them easier to handle. The computational experiments were done using quadratically constrained quadratic programming (QCQP) and MIQCQP and they showed that problems under PLA with nonuniform partition resulted in more accurate solutions and required less time compared to PLA with uniform partition.

Computer simulation modelling of the simultaneous adsorption of Cd, Cu and Cr from aqueous solutions by agricultural clay soil: A PHREEQC geochemical modelling code coupled to parameter estimation (PEST) study

Although minerals such as gold and platinum are important for improving life, their processing comes with social and environmental problems. During the processing of these minerals, toxic elements such as cadmium, copper and chromium are released along with wastewater into the environment including soils and surface water leading to plausible migration to groundwater. The removal of these elements from aqueous solutions is of utmost importance however, where no remediation is implemented, the ability of the soil to retain the elements and prevent migration is crucial. Moreover, there is a need for reliable and accurate computational modelling programs that requires minimum set of experiments for calibration in order to determine the success of the sorption of elements by natural and man-made adsorbents since laboratory and field experiments can be expensive, time consuming and often require repetition. In this study, the ability of an agricultural clay soil to adsorb and retain cadmium (Cd), copper (Cu) and chromium (Cr) was investigated by simulating different conditions using PHREEQC (which stands for, pH, redox, equilibrium written in the C language) geochemical modelling code coupled to parameter estimation (PEST). The role of pH (2–9) on the adsorption of Cd, Cu and Cr onto generalised weak, strong and super strong sites of the agricultural soil was determined and used to calibrate the model. The soil was found to be effective in preventing the mobility of Cd, Cu and Cr to groundwater however, the presence of competing ions and plant exudates increased their mobility. PHREEQC geochemical modelling code coupled with PEST was found to be a quick and a reliable tool to determine the performance of natural and man-made adsorbents in different conditions. Thus, PHREEQC coupled to PEST is a suitable decision making tool for environmental sustainability.

Palliative Care Education to Enhance Informal Caregivers’ Skills in Caring for Patients with Cancer: A Scoping Review

Background: Living with cancer causes stress for both patients and caregivers. Empowering family caregivers is critical in palliative care. It is well known that a lack of proper knowledge and training of informal caregivers is a barrier to palliative care provision at home.
 Objectives: This scoping review aimed to explore palliative care education to enhance informal caregiver skills in caring for cancer patient.
 Methods: A scoping literature review was conducted with systematic searches in multiple databases – PubMed, Cochrane, PsycINFO and SCOPUS (2000 to 2021). Studies were selected based on programmes content and its impact evaluation. 
 Findings: The remaining 181 citations were examined at full-text level; 173 studies did not meet inclusion criteria, yielding eight included papers. Four papers focused on palliative care educational programs for family caregivers, and four papers included patients and caregivers. There was a diverse variation in the mode of delivery and duration of educational input. The programs offered an insight into the main elements of working with individuals at a palliative care bundle. Most studies reported that participants improved their knowledge, self-efficacy, and competency and prepared for their roles.
 Conclusion: The findings indicate the need of family caregivers for more regular and reliable palliative education programs. Randomized controlled trials with rigorous randomization processes, more significant sample numbers and more appropriate control groups focused explicitly on caregiver education may improve the evidence.

Enabling Volumetric Flow Measurement in the Indus Basin Irrigation Scheme: Perceptions and Conflict Reduction

AbstractGlobally water use in agriculture is inefficient, with problems more pronounced in the global south. Pakistan's Indus Basin Irrigation System (IBIS) is a noteworthy case, withdrawing over 95% of the surface water resource. The Indus Basin Irrigation System (IBIS) is a vast gravity irrigation system with next to no volumetric measurement and low, area‐based water charges; the lack of flow information makes accountability difficult and reduces the marginal cost of water use to zero for farmers. The path toward a functional agricultural water system with volumetric fees and the potential for intra and inter‐sectoral trading begins with measurement, but this is a challenge for the IBIS, where tampering with equipment as well as fouling by sediment‐laden water are major impediments. We present results from a pilot study that overcomes this challenge, develops a reliable measurement program for the IBIS, and illustrates how information alone (let alone its application to governance and trade) can make a difference in system behavior. Importantly, the method of ultrasonic depth measurement used in our system performs well under flow conditions present at or above the canal outlet level, emphasizing the importance of water user associations at the watercourse scale as actors in IBIS‐level water governance.

Relative Contributions of Disaggregated Government Social Expenditure to Income Poverty Reduction in Nigeria

Poverty has been viewed severally as a phenomenon that constitutes a major menace threatening the whole fabric of the development process in developing economies worldwide. However, attempts made to reduce this menace have not produced any significant positive results in Nigeria. It is for this purpose that this study investigates the relative contributions of disaggregated government social expenditure to income poverty reduction in Nigeria. The study adopted an ex post facto research design using the Autoregressive Distributed Lag (ARDL) model technique to analyse time-series data for a period from 1981 to 2020. The results established a long-run relationship between government social recurrent expenditure capital transfer and social transfer. CT and GSEX were found to be inversely related to poverty reduction (dPOVR). On the other hand, however, ST was found to be positively related to dPOVR. The study, therefore, concluded that while CT and ST have potentials for poverty reduction in Nigeria, increased government on GESX will further increase poverty. The study, therefore, recommended that government should prioritise the investment in social infrastructure in the rural areas where most of the poor in Nigeria reside, and this should be complemented with sustainable improvement in the government’s social recurrent expenditures on education, health and sanitation. To also make ST more effective, we further recommended that government should put in place reliable programs of social transfer and revisit government policies on pension and gratuities.

Performance Assessment of the Maintenance Reliability Programs for Flight Safety in the Zambian Aviation Industry

In response to a recent increase in accidents in the Zambian aviation industry, a study was conducted to assess the reliability of maintenance programs in the sector. A questionnaire was distributed to 108 respondents, all of whom provided a response. The results of the study were analyzed using SPSS and Microsoft Excel, and presented in the form of frequency tables and pie charts. The results revealed that 99% of the respondents had Maintenance Reliability Programs (MRPs) in place, with 50% reporting that their MRPs were effective. The study also found that the aviation industry in Zambia places a strong emphasis on safety procedures, with many respondents agreeing that stringent safety procedures are implemented.

Solution of the Problem P = L

The problems associated with the construction of polynomial complexity computer programs require new techniques and approaches from mathematicians. One of such approaches is representing some class of polynomial algorithms as a certain class of special logical programs. Goncharov and Sviridenko described a logical programming language L0, where programs inductively are obtained from the set of Δ0-formulas using special terms. In their work, a new idea has been proposed to look at the term as a program. The computational complexity of such programs is polynomial. In the same years, a number of other logical languages with similar properties were created. However, the following question remained: can all polynomial algorithms be described in these languages? It is a long-standing problem, and the method of describing some polynomial algorithm in a not Turing complete logical programming language was not previously clear. In this paper, special types of terms and formulas have been found and added to solve this problem. One of the main contributions is the construction of p-iterative terms that simulate the work of the Turing machine. Using p-iterative terms, the work showed that class P is equal to class L, which extends the programming language L0 with p-iterative terms. Thus, it is shown that L is quite expressive and has no halting problem, which occurs in high-level programming languages. For these reasons, the logical language L can be used to create fast and reliable programs. The main limitation of the language L is that the implementation of algorithms of complexity is not higher than polynomial.

Risk Factors of Malnutrition among under Five Children Admitted in Kanti Children’s Hospital in Nepal

Background World Health Organization (WHO) stated that malnutrition is a major global health and social problem from which many people are suffering, particularly children. Poor feeding and care practices, insufficient nutrient intake, high rate of infection and teenage pregnancy are the immediate causes of chronic malnutrition.
 Objective To identify the risk factors for malnutrition among under five children.
 Method A case control study was carried out among the mothers having under-5 years’ children who were admitted in the Kanti Children’s Hospital of Nepal from 1st August 2019 to 7th September 2020. Non-probability purposive sampling technique was used to select 50 children with malnutrition and 100 children without malnutrition matched on age, sex and setting. A structured interview was used to collect data from mothers of both cases and controls. Descriptive and inferential statistics were used to analyze the data.
 Result Present study reveals that 58% girl got marriage before 20 years. After confounders adjusted, mother’s age ≥ 20 years at marriage (OR: 2.74, 95% CI: 0.98-7.63. p=0.05), and mother’s age ≥ 20 years at child birth (OR: 7.74, 95% CI: 2.37-25.27. p=0.001), were significantly associated with having malnutrition among under five children. Similarly, accessibility of health facility (OR: 3.31, 95% CI: 1-10.94. p=0.05), fathers who completed master in education (OR: 0.08, 95% CI: 0.01-0.88. p=0.04), children who lived in joint family (OR: 0.25, 95% CI: 0.07-0.86. p=0.03), child < 2.5 kg at birth (OR: 0.18, 95% CI: 0.05-0.62. p=0.01), and second and third or above in order (OR: 0.09, 95% CI: 0.01-1.04. p=0.05) had significantly less chance of having malnutrition. Children’s whose birth interval was 2-3 years were significantly (OR: 9.74, 95% CI: 1.16-82.23. p=0.04) associated with the occurrence of malnutrition. Children who had suffered from multiple co-morbidities in last one year were (OR: 4.55, 95% CI: 0.48-43.03. p=0.18) more chance of having malnutrition.
 Likewise, the mothers who feed colostrum to their child had (OR: 2.28, 95% CI: 0.52- 9.26. p=0.29) almost two-fold less chance of having malnutrition. Mothers who had done exclusive breast feeding ≥ 4 months had (OR: 40.55, 95% CI: 3.35-1.490.92. p=0.008) significantly associated with having malnutrition.
 Conclusion Low education status of father, living in single family, exclusive breast feeding ≥ 4 months, lack of balance diet were significant risk factors of malnutrition. Based on finding, reliable longitudinal studies, interventions and program to educate parent for prevention of malnutrition are necessary in future.

Characteristics of resident physicians accessing a specialised mental health service: a retrospective study

ObjectivesLittle is known about resident physicians being treated at physician health programmes around the world despite the fact that it is a highly demanding training period. This study aims to...

Citrus Genetic Transformation: An Overview of the Current Strategies and Insights on the New Emerging Technologies.

Citrus are among the most prevailing fruit crops produced worldwide. The implementation of effective and reliable breeding programs is essential for coping with the increasing demands of satisfactory yield and quality of the fruit as well as to deal with the negative impact of fast-spreading diseases. Conventional methods are time-consuming and of difficult application because of inherent factors of citrus biology, such as their prolonged juvenile period and a complex reproductive stage, sometimes presenting infertility, self-incompatibility, parthenocarpy, or polyembryony. Moreover, certain desirable traits are absent from cultivated or wild citrus genotypes. All these features are challenging for the incorporation of the desirable traits. In this regard, genetic engineering technologies offer a series of alternative approaches that allow overcoming the difficulties of conventional breeding programs. This review gives a detailed overview of the currently used strategies for the development of genetically modified citrus. We describe different aspects regarding genotype varieties used, including elite cultivars or extensively used scions and rootstocks. Furthermore, we discuss technical aspects of citrus genetic transformation procedures via Agrobacterium, regular physical methods, and magnetofection. Finally, we describe the selection of explants considering young and mature tissues, protoplast isolation, etc. We also address current protocols and novel approaches for improving the in vitro regeneration process, which is an important bottleneck for citrus genetic transformation. This review also explores alternative emerging transformation strategies applied to citrus species such as transient and tissue localized transformation. New breeding technologies, including cisgenesis, intragenesis, and genome editing by clustered regularly interspaced short palindromic repeats (CRISPR), are also discussed. Other relevant aspects comprising new promoters and reporter genes, marker-free systems, and strategies for induction of early flowering, are also addressed. We provided a future perspective on the use of current and new technologies in citrus and its potential impact on regulatory processes.

An Integrated Fuzzy Fault Tree Model with Bayesian Network-Based Maintenance Optimization of Complex Equipment in Automotive Manufacturing

Process integrity, insufficient data, and system complexity in the automotive manufacturing sector are the major uncertainty factors used to predict failure probability (FP), and which are very influential in achieving a reliable maintenance program. To deal with such uncertainties, this study proposes a fuzzy fault tree analysis (FFTA) approach as a proactive knowledge-based technique to estimate the FP towards a convenient maintenance plan in the automotive manufacturing industry. Furthermore, in order to enhance the accuracy of the FFTA model in predicting FP, the effective decision attributes, such as the experts’ trait impacts; scales variation; and assorted membership, and the defuzzification functions were investigated. Moreover, due to the undynamic relationship between the failures of complex systems in the current FFTA model, a Bayesian network (BN) theory was employed. The results of the FFTA model revealed that the changes in various decision attributes were not statistically significant for FP variation, while the BN model, that considered conditional rules to reflect the dynamic relationship between the failures, had a greater impact on predicting the FP. Additionally, the integrated FFTA–BN model was used in the optimization model to find the optimal maintenance intervals according to the estimated FP and total expected cost. As a case study, the proposed model was implemented in a fluid filling system in an automotive assembly line. The FPs of the entire system and its three critical subsystems, such as the filling headset, hydraulic–pneumatic circuit, and the electronic circuit, were estimated as 0.206, 0.057, 0.065, and 0.129, respectively. Moreover, the optimal maintenance interval for the whole filling system considering the total expected costs was determined as 7th with USD 3286 during 5000 h of the operation time.

Programming-level and redundancy-free method for enhancing software reliability against transient errors in hardware

Software play remarkable roles in different critical applications. On the other hand, due to the shrinking of transistor size and reduction in supply voltage, radiation-induced transient errors (soft errors) have become an important source of computer systems failure. As the rate of transient hardware faults increases, researchers have investigated software techniques to control these faults. Performance overhead is the main drawback of software-implemented methods like recovery blocks that use technical redundancy. Enhancing the software reliability against soft errors by utilizing inherently error masking (invulnerable) programming structures is the main goal of this study. During the programming phase and at the source code level, programmers can select different storage classes such as automatic, global, static and register for the data into their program without paying attention to their inherent reliability. In this study, the inherent effects of these storage classes on the program reliability are investigated. Extensive series of profiling and fault-injection experiments were performed on the set of benchmark programs implemented with different storage classes. Regarding the results of experiments, we find that the programs implemented with automatic storage classes have inherently higher reliability than the programs with static and register storage classes without performance overhead. This finding enables the programmers to develop highly reliable programs without technical redundancy and performance overhead.

ТЕРМІНОЛОГІЧНЕ ЗАБЕЗПЕЧЕННЯ ТА ПАРАДИГМА ДОСЛІДЖЕННЯ ПАСТКИ ВІДСТАЛОСТІ УКРАЇНИ

Unfortunately, the planned construction of an effective strategy for Ukraine's independence was not implemented. There were no constructive changes in the rules of economic life, the institutional structure of the state. Exit from crisis situations of various spheres of society, restoration of their vital activity were not provided with mechanisms of balance of economic efficiency and social justice. Thus, the problem of bringing the country out of the "trap of backwardness" has become extremely relevant. However, public authorities are left without a reliable program to address this problem. The backwardness is growing, so there is a need for a thorough review of the main ideas and technologies for diagnosing ways out of it. The purpose of the study is to determine the terminology and paradigm of theoretical and methodological support for bringing Ukraine out of the "trap of backwardness", to unite the efforts of all those interested in finding reserves to restore sustainable development of society. The methodological basis of the study were the methods of dialectics, methods and principles of interdisciplinary scientific knowledge of a complex subject, the rules of paradigm construction and its terminological support. The main idea of the study - theoretical and methodological justification for the withdrawal of Ukraine from the "trap of backwardness" must be built on the basis of an appropriate model of the paradigm and its terminology. Presenting main material. The main formulations of the research are formulated in the article, the stages of construction of the paradigm of bringing Ukraine out of the "trap of backwardness" are given, their content and rules of realization are determined. Particular attention is paid to the technology of reviewing the proposed options for defining terms in published works on the topic of the article. The originality and practical significance is confirmed by the proposed algorithm for building a paradigm model, terminological support for the study of a complex topic, which is at the phenomenological stage. Conclusions and prospects for further research. A constructive association of those wishing to determine the reserves for the restoration of sustainable development of society is possible provided that the model of the paradigm and its terminology is clarified. Further research on the topic should focus on clarifying the institutional basis that can really streamline the limitations of the system of traps in society.

Analysis of Factors Causing The Delay of the Storage Tank Project Using Fault Tree Analysis

The Storage Tank Project is a national vital object that supports the operational reliability program of the Fuel Oil distribution. But there was a delay in the implementation of work by 31.35%. This research purpose to identify the factors and indicators that cause delays in the storage tank construction project. This research method uses Fault Tree Analysis. Factors and indicators are FTA Event inputs which are then illustrated by FTA diagrams. FTA using Boolean algebra formulation results in a probability value for each Event.Objek research is in the construction Storage tanks in Surabaya. Work items in the research are Foundation work with a weight of 26.50% and Construction Work with a weight of 36.94%. From the results of this research there are two indicators with the largest probability value. First, the Soil Data Report is not suitable for foundation work with a value of 0.968 in the owner's area. Therefore, the owner must be more careful in making design documents, especially on foundation work. Second, the lack of manpower with a probability value of 0.912 in construction work in the Contractor's area. in this case the contractor must ensure that the manpower has the required qualifications. Especially in Welder certification.

Relative importance of climate and spatial processes in shaping species composition, functional structure and beta diversity of phytoplankton in a large river

Although metacommunity dynamics of lentic phytoplankton are relatively well-documented, studies on the role of environmental and spatial processes in shaping phytoplankton communities of large rivers are still scarce. Here, we examined six phytoplankton data sets, which were collected in 1978-2017 from large river-scale segments (mean spatial extent 1117 km) in the Danube River. Our aim was to elucidate role of climatic, spatial and temporal predictors in variation of phytoplankton beta diversity using variance partitioning for compositions of species and functional groups sensu Reynolds. We hypothesised that phytoplankton beta diversity (measured as average distance to group centroid) would be positively related to both climatic heterogeneity and spatial extent used as a proxy for dispersal limitation. Additionally, we tested alternative dispersal models to evaluate different spatial processes structuring phytoplankton community. Our results revealed that spatial variables were more important than climatic factors in controlling both species and functional group composition. Climatic heterogeneity showed significant positive relationship with beta diversity. In contrast, there was no significant relationship between beta diversity and spatial extent, suggesting that spatial effect on beta-diversity was attenuated by anthropogenic disturbance. The better performance of non-directional model compared to model of water directionality suggested that spatial dynamics of phytoplankton metacommunity was in large part regulated by differences in the regional species pools. Spatial and temporal variables outperformed environmental (including climatic) factors in explaining phytoplankton metacommunity structure, indicating that phytoplankton exhibited strong biogeographical patterns. Thus, dispersal limitation interfered with species-sorting processes in determining phytoplankton community structure. In conclusion, our findings revealed that the development of a more reliable bioassessment program of the Danube River should be based on separation into basin regions.

Cost-benefit and feasibility analysis for establishing a foot-and-mouth disease free zone in Rukwa region in Tanzania

Tanzania has the second largest livestock population in Africa and livestock keeping is an integral part of most people’s livelihoods. Foot-and-mouth disease (FMD) is a transboundary disease, affecting cloven-hoofed animals, that is currently endemic in Tanzania. The Tanzania Development Vision 2025 aspires to make the livestock sector more competitive. Part of this plan foresees establishing a FMD-free zone in the Rukwa region to be able to increase the export of animals and animal products. The aim of this study was to assess the economic efficiency and feasibility of establishing such an FMD-free zone and to advise policy makers on the profitability of the investment.A stochastic benefit-cost model, set-up in Palisade @Risk for Excel for a time frame of ten years, was developed to assess whether the benefits of establishing a FMD-free zone would outweigh the costs. Data were collated from reviewing literature, government statistics, and key informant interviews with farmers, traders and veterinarians in Tanzania, and complemented by informed assumptions and expert opinion. Moreover, feasibility aspects including underlying infrastructure, market structures and resource availability were discussed based on key informant interviews, literature review and historical analyses. The net present value for the establishment of a FMD-free zone was negative and the benefit-cost ratio was below one (mean 0.09, min 0.05 - max 0.15 in the scenario considering vaccination of all susceptible domestic animals, and mean 0.11, min 0.06 - max 0.20 when considering vaccinating cattle only), excluding potential benefits from trade. The sensitivity analysis showed that variables related to the cost of vaccination had the largest negative impact on the net present value. The proposed FMD-free zone in Rukwa region is unlikely to be cost-effective with the current FMD status and export trade prospects in Tanzania. Interviews with stakeholders revealed that vaccine availability, funding, farmers’ willingness to participate, and lack of staff continuity in key roles were the main barriers to establish a reliable FMD control programme in the country. Recommendations towards FMD control and potential short and middle term strategies are discussed.

Estimating male circumcision coverage in 15 priority countries in sub-Saharan Africa.

IntroductionGiven the importance of voluntary medical male circumcision (VMMC) in reducing HIV incidence, access to and use of quality data for programme planning and management are essential. Unfortunately, such data are currently not standardized for reliable and consistent programme use in priority countries. To redress this, the UNAIDS Reference Group (RG) on Estimates, Modelling, and Projection worked with partner Avenir Health to use the Decision Makers Program Planning Toolkit (DMPPT) 2 Online to provide estimates of VMMC coverage and to support countries to set age‐ and geographic‐specific targets. This article describes the methods and tools used for assembling, reviewing and validating VMMC programme data as part of the 2021 Estimates process.DiscussionThe approach outlined for integrating VMMC data using the DMPPT2 Online required significant country engagement as well as upgrades to the DMPPT2 Online. The process brought together local‐level VMMC stakeholders, for example Ministries of Health, the Joint United Nations Programme on HIV/AIDS (UNAIDS), the US President's Emergency Plan for AIDS Relief, the World Health Organization (WHO), VMMC implementers and so on, to review, amend and agree on historical and more recent VMMC data. The DMPPT2 Online was upgraded to align with the Spectrum and Naomi models used in the Annual HIV Estimates process. In addition, new and revised inputs were incorporated to enhance accuracy of modelled outputs. The process was successful in mobilizing stakeholders behind efforts to integrate VMMC into the annual HIV Estimates process and generating comprehensive, country‐owned and validated VMMC data that will enhance programme monitoring and planning.ConclusionsVMMC programme data from most of the priority countries were successfully reviewed, updated, validated and incorporated into the annual HIV Estimates process in 2020. It is important to ensure that these data continue to be used for programme planning and management. Current and future data issues will need to be addressed, and countries will need ongoing support to do so. The integration of the DMPPT2 Online into the annual HIV Estimates process is a positive step forward in terms of streamlining country‐owned planning and analytical practices for the HIV response.

Static Analysis: An Introduction

Modern static-analysis tools provide powerful and specific insights into codebases. The Linux kernel team, for example, developed Coccinelle, a powerful tool for searching, analyzing, and rewriting C source code; because the Linux kernel contains more than 27 million lines of code, a static-analysis tool is essential both for finding bugs and for making automated changes across its many libraries and modules. Another tool targeted at the C family of languages is Clang scan-build, which comes with many useful analyses and provides an API for programmers to write their own analyses. Like so many things in computer science, the utility of static analysis is self-referential: To write reliable programs, we must also write programs for our programs. But this is no paradox. Static-analysis tools, complex though their theory and practice may be, are what will enable us, and engineers of the future, to overcome this challenge and yield the knowledge and insights that we practitioners deserve.

How many years of acoustic monitoring are needed to accommodate for anuran species turnover and detection?

Anuran species are threatened by a range of anthropogenically induced disturbances, highlighting the need for robust and reliable monitoring programs to detect trends in species occupancy. Anuran species experience not only differences in seasonal distributions of breeding activity, but also interannual variations in habitat occupancy which are dependent on stochastic environmental processes. Acoustic calling surveys are a widely used and reportedly reliable technique for detecting a range of anuran species in Southern Ontario. Short-term applications of this technique may be challenged to detect species which are temporarily absent from suitable habitats due to natural extirpation processes. In this paper, I analyzed anuran occupancy data from 67 long-term acoustic monitoring sites across Southern Ontario to determine the relationship between accumulated species occupancy and number of monitoring years. Data was taken from Birds Canada's Marsh Monitoring Protocol database for amphibians and filtered to extract sites which were monitored for at least 8years and recorded at least 4 anuran species. Species accumulation curves were created using EstimateS. Results suggest that there may be detectability issues for some species such as the pickerel frog, wood frog, and western chorus frog. Interannual detection rates and species accumulation curves point to the need for long-term (> 5years) monitoring programs to reliably detect on average more than 90% of anuran species occupying a monitoring site. They also reflect well-documented reports of high species turnover in anuran metapopulations, suggesting that extirpation-recolonization processes are widespread and frequent. Monitoring programs should address this issue by lengthening monitoring programs, particularly those that aim to document changes to species occupancy before and after major habitat disturbances.