نتایج جستجو برای: bird watching 1075
تعداد نتایج: 32021 فیلتر نتایج به سال:
Abstract Past experiences influence choices, and people's preferences for more similar (habit‐forming) or different (variety‐seeking) are reflected in these choices. We develop a structural estimation framework to capture whether people habit forming variety seeking apply it the choice of recreation site. This research contributes revealed preference literature by demonstrating how account vari...
background: excessive and uncontrolled television watching by children predisposes them to some risks such as developmental, social and psychological disorders. parents play an important role in nurturing their children and controlling the factors affecting their health. the aim of this study was to determine the impact of health education programs on parents' supervision skills to control thei...
Determining landscape parameters influencing species richness of habitat patches is one of the most important issues in conservation biology. Many previous studies have investigated the influence of habitat parameters on bird assemblages in forest patches, but studies seeking effects of oasis parameters on bird assemblages are very scarce. Karkas Protected Area is located in semi-arid zone in...
Ecotourists have high potentials to spread ecological awareness, while they maintain quality tourism and learn how to respect and preserve the natural environment. Knowledge is an important prerequisite to predict future attitudes and connect tourists with nature. Ecotourism focuses on areas with rare flora and fauna. Lesvos Island hosts rare species which attract numbers of bird watchers yearl...
background:leisure time activity is an important life-style habit. this study aims to determine the screen time ofa nationally representative sample of iranian children and adolescents. methods:this nationwide cross-sectional study was conducted as part ofthe fourth survey of a surveillance system. the participants consisted of 14880 students, with aged range from 6 to 18 years, living in 30 pr...
Background: Excessive and uncontrolled television watching by children predisposes them to some risks such as developmental, social and psychological disorders. Parents play an important role in nurturing their children and controlling the factors affecting their health. The aim of this study was to determine the impact of health education programs on parents’ supervision skills to contro...
Mites in the genus Dermanyssus are external parasites of birds, rodents and other mammals. The most common member of this group is the Chicken Mite that infests poultry roosts and wild bird nests. The chicken mite feeds primarily at night when the birds return the nest or roast area. They hide during the day in nearby cracks, crevices and other protected sites. These mites are known to infest h...
Phenols are broadly distributed in the plant kingdom and are the most abundant secondary metabolites of plants. Plant polyphenols have drawn increasing attention due to their potential antioxidant properties and their marked effects in the prevention of various oxidative stress associated diseases such as cancer. The objective of this study was to investigate a suitable method for determination...
Objectives: The aim of the present study was to evaluate the relationship between the use of television and behavioral problems in children. Methods: This is a descriptive and correlational research. The statistical population of the study included 4- to 6-year-old pre-school children in Tehran who were selected using multi-stage cluster sampling. A sample of 150 children was selected. T...
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