نتایج جستجو برای: fish metrics
تعداد نتایج: 169303 فیلتر نتایج به سال:
Identifying causes of structural ecosystem shifts often requires understanding trophic structure, an important determinant of energy flow in ecological communities. In coastal pelagic ecosystems worldwide, increasing jellyfish (Cnidaria and Ctenophora) at the expense of small fish has been linked to anthropogenic alteration of basal trophic pathways. However, this hypothesis remains untested in...
Recently, the frequency and severity of natural and man-made disasters (extreme events), which have a high-impact low-frequency (HILF) property, are increased. These disasters can lead to extensive outages, damages, and costs in electric power systems. A power system must be built with “resilience” against disasters, which means its ability to withstand disasters efficiently while ensuring the ...
Key factors that a hospital finance leader should focus on when considering a potential co-management agreement with physicians, in which the physicians are compensated at fair market value, include: Fee structure of the agreement. The quality metrics that will be used. Benchmarking to set appropriate targets for metrics. Historical performance against the metrics. Legal guidelines regarding su...
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Biodiversity is well studied in ecology and the concept has been developed to include traits of species, rather than solely taxonomy, to better reflect the functional diversity of a system. The deep sea provides a natural environmental gradient within which to study changes in different diversity metrics, but traits of deep-sea fish are not widely known, hampering the application of functional ...
the aim of this study was to analyze the impact of organizational learning and marketing metrics on the marketing performance in the elon plast company of kermanshah province. it is a functional purpose study with descriptive – survey method. the statistical population includes 100 employees of elon plast company in kermanshah province. a sample of 80 people was chosen using cochran formula. da...
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