Urban Green Areas – their functions under a changing lifestyle of ...

Urban Green Areas – their functions under a changing lifestyle of ... Urban Green Areas – their functions under a changing lifestyle of ...

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(%) Figure 4.3 of age structures in the field survey (2010-2011) and in the 2009 census (for the inner city) shows that there is a difference for the 30-54 yearold age group and two large shares of people aged 15-29 and elderly people (over 55) have been interviewed. This discrepancy does not fulfill the intention of the sample structure, but the sample structure reflects better the “observed reality of park usages”. And it can be justified: The middle-aged people are mostly working people who cannot visit the parks during general working time, but the younger people do. This is because many young people go to school or study at universities and their “schooltime” is not as fixed as the time of working people. Thus, this sample mirrors well the real structure of current park visitors. 60 52.8 50 40 36 40 30 25.9 20 19.4 17 10 7 1.8 0 10-14 15-29 30-54 55+ the field survey (Age) in the population Figure 4.3: Age structures of the field survey versus of the census (2009). (Own survey, 2010-2011); GOV (2010). 4.1.4 Online survey As the face-to-face survey covers only the current situation of park usage an additional attempt has been made to reach a further group of people who are - possibly - not visiting the parks: An online survey should clarify the number of people who live in the neighbourhood of the investigated parks but who do not visit these parks. However, this attempt has not really been successful. The reasons are: There is until now not sufficient experience of using this survey method in Vietnam. People take part in such polls only if there is a clear economic benefit for them. Unfortunately such an “economic benefit” could not be realised within this study. People take part without an economic benefit if they are convinced by the need of the survey. However a personal contact is the most successful way of persuading people and then an interview can be carried out instead of an online survey. This attempt was able to achieve 110 completed online questionnaires. Such a low number is not representative. But nevertheless the answers give a preliminary idea about people who might not go to parks. 75

(% of the entire week) 4.1.5 Expert interviews Expert interviews have been carried out to double-check hypotheses. As “urban green areas” are a very interdisciplinary subject which touches several planning departments and levels of administration, interviews with seven experts were conducted. All of them are very experienced in this subject, they cover all relevant fields of society and the environment, they are scientists and engineers or implementers, and they belong to NGOs as well as to NGOs. The interviews were carried out in September 2012. 4.2 The number of park users As already mentioned, there are no official statistics, which show the quantitative level of park usage. Several countings were conducted in 2010 and 2011 as part of this thesis. It is a first attempt not with statistically sufficient certainty but useful to give a preliminary idea regarding the quantitative usage of the parks. The visitors to Bach Thao and Thong Nhat were counted in December 2010 already. Those results indicated that Thong Nhat received three times the number of visitors than Bach Thao. Concerning the course of the day, both parks seem to have a peak period in the early morning and late afternoon. Lunchtime seems to represent the lowest usage of the parks (see RADEMACHER 2011: 63 f.). Through additional counting undertaken in 2011 the data basis has been improved. So now some benchmark data are available. The relation between both parks is confirmed: There are on average per day 11,507 visitors to ThongNhat and 3,415 visitors to Bach Thao. 4.2.1 Over the course of the week 25.0% 20.0% 19.6% 15.0% 14.4% 13.0% 12.0% 13.7% 13.0% 14.3% Average (14.3%) 10.0% 5.0% 0.0% Mon. Tue. Wed. Thu. Fri. Sat. Sun. Figure 4.4: Intensity of park usage over the course of the week. (Own survey, 2010- 2011) 76

(%)<br />

Figure 4.3 <strong>of</strong> age structures in the field<br />

survey (2010-2011) and in the 2009<br />

census (for the inner city) shows that<br />

there is a difference for the 30-54 yearold<br />

age group and two large shares <strong>of</strong><br />

people aged 15-29 and elderly people<br />

(over 55) have been interviewed. This<br />

discrepancy does not fulfill the intention<br />

<strong>of</strong> the sample structure, but the sample<br />

structure reflects better the “observed<br />

reality <strong>of</strong> park usages”. And it can be<br />

justified: The middle-aged people are<br />

mostly working people who cannot visit<br />

the parks during general working time,<br />

but the younger people do. This is<br />

because many young people go to school<br />

or study at universities and <strong>their</strong> “schooltime”<br />

is not as fixed as the time <strong>of</strong><br />

working people. Thus, this sample<br />

mirrors well the real structure <strong>of</strong> current<br />

park visitors.<br />

60<br />

52.8<br />

50<br />

40<br />

36<br />

40<br />

30<br />

25.9<br />

20<br />

19.4<br />

17<br />

10 7<br />

1.8<br />

0<br />

10-14 15-29 30-54 55+<br />

the field survey (Age)<br />

in the population<br />

Figure 4.3: Age structures <strong>of</strong> the field<br />

survey versus <strong>of</strong> the census (2009).<br />

(Own survey, 2010-2011); GOV (2010).<br />

4.1.4 Online survey<br />

As the face-to-face survey covers only the current situation <strong>of</strong> park usage an additional<br />

attempt has been made to reach a further group <strong>of</strong> people who are - possibly - not visiting<br />

the parks: An online survey should clarify the number <strong>of</strong> people who live in the<br />

neighbourhood <strong>of</strong> the investigated parks but who do not visit these parks.<br />

However, this attempt has not really been successful. The reasons are:<br />

There is until now not sufficient experience <strong>of</strong> using this survey method in Vietnam.<br />

People take part in such polls only if there is a clear economic benefit for them.<br />

Unfortunately such an “economic benefit” could not be realised within this study.<br />

People take part without an economic benefit if they are convinced by the need <strong>of</strong> the<br />

survey. However a personal contact is the most successful way <strong>of</strong> persuading people<br />

<strong>–</strong> and then an interview can be carried out instead <strong>of</strong> an online survey.<br />

This attempt was able to achieve 110 completed online questionnaires. Such a low number<br />

is not representative. But nevertheless the answers give a preliminary idea about people<br />

who might not go to parks.<br />

75

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