a b s t r a c tGolf courses have been shown to have a positive impact on local biodiversity, quality of life and the economy. However, the impacts of golf courses on local environment, including ecosystem services and dis-services are not clearly understood. To explore this relationship, we took two golf courses in Beijing (a links course and a parkland course) to develop an assessment framework and present estimates of economic values of net ecosystem services, in aspects of ecosystem goods, carbon fixation, soil retention, flood storage, recreation, water consumption and nonpoint-source pollution. The results showed that the two golf courses have provided remarkable net ecosystem services values (links 51.58 × 10 4 yuan/ha/yr, parkland 42.60 × 10 4 yuan/ha/yr, 6.19 yuan = 1 US$ in 2013). Over 95% of this value is generated by three services: recreation, ecosystem goods and flood storage. Our results indicate that the parkland course has better performance in sustainable supply of ecosystem services than the links course. In addition, this study provides useful improvements for golf course design and management concerning positive environmental externalities optimizing, including the scaling of non-playing areas to maximize golf course ecosystem services supply capacity, appropriate grass species selecting and irrigation with recycled water. Moreover, a policy analysis suggests that the development of public golf course in China is a necessary complement to resolve the mismatch between private and public benefits and let more people enjoy the ecosystem services.
BackgroundElectronic sports (esports) has become a practical intervention for young people craving social connections since the COVID-19 pandemic. Past studies have shown an equivocal role of esports participation in boosting social ties or social connectedness. It is unclear if their relationship is affected by subjective attitudes of gamers. Moreover, the present COVID-19 pandemic may further modify this relationship to a greater extent.ObjectiveThis study primarily aimed to investigate the moderating effect of participants' subjective attitudes toward esports gaming on the relationship between in-game interaction during esports participation and participants' anticipated social connectedness among Chinese young adults during the COVID-19 lockdown periods in China.MethodsWe conducted a nationwide online questionnaire survey through the Credamo platform among 550 Chinese young adults in the present study. The Social Connectedness Scale-Revised was used to assess participants' social connectedness levels.ResultsFour hundred and fifty-three participants were included in the final analysis. The effective response rate was 82.4%. Our results showed that the esports participation measured by in-game communication frequency among participants, as an independent factor, was negatively associated with participants' social connectedness scores (β = −0.13, p < 0.05). However, when the moderating effect of subjective attitudes toward esports gaming was considered, the association between communication frequency and social connectedness scores was turned into the opposite direction with a larger effect size (β = 0.35, p < 0.001).ConclusionOur primary finding revealed that a positive mindset in esports gaming is indispensable in boosting social connectedness. Overall, our study provided supporting evidence for the benefits of esports on individuals' social connectedness. In future circumstances similar to the COVID-19 era, playing esports games is strongly encouraged in an attempt to maintain social connections and relieve psychological stress. In the meantime, we believe that having a positive esports experience, often associated with a positive mindset during gaming, can better promote social connectedness. Nevertheless, the amount of time spent on gaming per day should be of great concern, as esports games can be addictive, especially for teenagers and college students.
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