Socio-Economic Aspects of Mangrove Degradation in an Urban Setting

2021 ◽  
pp. 272-290
Author(s):  
Eberhard Heinrich Weber
Keyword(s):  
Informal Settlement ◽  
Urban Setting ◽  
Small Island ◽  
Urban Migration ◽  
Mangrove Forests ◽  
Major Question ◽  
Urban Settlements ◽  
Fast Pace ◽  
Urban Places

In Pacific Small Island Developing States (PSIDS), the degradation of mangroves advances at a fast pace, especially in urban places. Rural to urban migration let urban settlements grow tremendously in the past 60 years. People built many informal settlements straight into mangrove forests. Health implications are severe, but settlements in mangrove forests provide protection against eviction. The case study provides insight into people's lives, perception and actions in a degraded mangrove forest in the eastern part of Suva, the capital of Fiji. The major question is why people are exposing themselves to serious environmental health hazards. Based on recent changes, the chapter also looks at development efforts that threaten residents of informal settlement to get evicted from the locations they right now reside. Investigations concentrate on people's actions in space, particularly, the role degraded urban mangroves play in their decision to reside in a particular place. A major explanation is that people want to reduce risk and enhance security: security from eviction.

scholarly journals Relationship of bird richness, abundance and assemblage to the built environment in a small island tropical urban setting: a Suva, Fiji case study

2019 ◽  
Vol 22 (4) ◽  
pp. 709-719
Author(s):  
Richard Titoko ◽  
John H. Lowry ◽  
Tamara Osborne ◽  
Alivereti Naikatini ◽  
James Comely ◽  
...  
Keyword(s):  
Built Environment ◽  
Urban Setting ◽  
Small Island ◽  
Bird Richness ◽  
Relationship Of

Potential impacts of slum urbanisation on channel bank storage in the Bang Pakong River, Thailand

2012 ◽  
Vol 7 (4) ◽  
Author(s):  
K. Harriden
Keyword(s):  
Water Quality ◽  
Balance Equations ◽  
Physical Processes ◽  
Social Phenomena ◽  
Urban Settlements ◽  
Recharge Rates ◽  
Water Quality Deterioration ◽  
Informal Urban Settlements ◽  
Storage Processes

Generally regarded as social phenomena, this paper regards slum urbanisation as an environmental actor. Specifically, how slum developments modify hydrogeomorphological processes motivates this research. Using the Bang Pakong River, eastern Thailand, as a case study, a literature review was conducted. The literature reviewed indicated changes in physical processes such as channel bank stability, water quality, flow regimes and the hydrological balance equations can occur with slum development. Given the importance of channel banks as the physical basis of many slum sites, this paper focuses on the possible changes to channel bank storage in the Bang Pakong River following slum urbanisation. The research highlights possible changes to channel bank storage processes, notably decreased storage recharge rates; increased anthropogenic extraction; and probable water quality deterioration. Deeper scientific understanding of how river processes are affected by specific forms of urban development can contribute to better management of both informal urban settlements and rivers.

scholarly journals The Effects of Open Space on Reducing Workplace Stress: Case Study of Business Park in the Post-Socialist Urban Setting

2021 ◽  
Vol 13 (1) ◽  
pp. 336
Author(s):  
Jelena Maric ◽  
Djukic Aleksandra ◽  
Branislav Antonic ◽  
Danilo Furundzic ◽  
Vladimir Parezanin
Keyword(s):  
Business Performance ◽  
Open Space ◽  
Single Case ◽  
Well Being ◽  
Positive Influence ◽  
Workplace Stress ◽  
Urban Setting ◽  
Work Related ◽  
Stress Levels

Working people spend around 54% of their waking hours at a workplace, according to recent statistics. Work-related stress is unavoidable, and it can damage the health of employees and affect business performance. In this paper, we argue that open space inside the workplace environment can have a positive influence on reducing overall stress levels in all the categories of users. To our knowledge, there is a significant lack of research considering specific business districts and the gated complexes called business parks, especially in post-socialist Eastern European cities, where there they are still a novelty. Empirical research in this study is on the single case study of Business Park “Airport city” in Belgrade, Serbia. Its main focus is on the survey conducted with 235 participants based on a questionnaire, which examines the relation between workplace stress and workplace environments. The findings from the questionnaire show that the frequency, duration, and activity of open space usage influence the stress levels of employees in this specific workplace, while it is not visible relating to their age and gender. Additionally, final implications suggest that improved open space, such as well-expected greenery, but also the urban design non-associative to workspace and the socialization and exercise amenities customized for frequent and short work breaks, can facilitate the overall well-being of employees. They are innovative elements in relatively underdeveloped research on stress measures with open space usage characteristics in the specific (gated) workplace setting.

scholarly journals Mangrove Forest Landcover Changes in Coastal Vietnam: A Case Study from 1973 to 2020 in Thanh Hoa and Nghe An Provinces

Forests ◽  
2021 ◽  
Vol 12 (5) ◽  
pp. 637
Author(s):  
Huong Thi Thuy Nguyen ◽  
Giles E. S. Hardy ◽  
Tuat Van Le ◽  
Huy Quoc Nguyen ◽  
Hoang Huy Nguyen ◽  
...  
Keyword(s):  
Mangrove Forest ◽  
Monsoon Season ◽  
Coastal Development ◽  
Northern Coast ◽  
Mangrove Forests ◽  
Visual Interpretation ◽  
Mangrove Restoration ◽  
Coast Of Vietnam ◽  
Landsat Satellite

Mangrove forests can ameliorate the impacts of typhoons and storms, but their extent is threatened by coastal development. The northern coast of Vietnam is especially vulnerable as typhoons frequently hit it during the monsoon season. However, temporal change information in mangrove cover distribution in this region is incomplete. Therefore, this study was undertaken to detect change in the spatial distribution of mangroves in Thanh Hoa and Nghe An provinces and identify reasons for the cover change. Landsat satellite images from 1973 to 2020 were analyzed using the NDVI method combined with visual interpretation to detect mangrove area change. Six LULC classes were categorized: mangrove forest, other forests, aquaculture, other land use, mudflat, and water. The mangrove cover in Nghe An province was estimated to be 66.5 ha in 1973 and increased to 323.0 ha in 2020. Mangrove cover in Thanh Hoa province was 366.1 ha in 1973, decreased to 61.7 ha in 1995, and rose to 791.1 ha in 2020. Aquaculture was the main reason for the loss of mangroves in both provinces. Overall, the percentage of mangrove loss from aquaculture was 42.5% for Nghe An province and 60.1% for Thanh Hoa province. Mangrove restoration efforts have contributed significantly to mangrove cover, with more than 1300 ha being planted by 2020. This study reveals that improving mangrove restoration success remains a challenge for these provinces, and further refinement of engineering techniques is needed to improve restoration outcomes.

scholarly journals Importance of Geospatial Heterogeneity in Chronic Disease Burden for Policy Planning in an Urban Setting Using a Case Study of Singapore

2021 ◽  
Vol 18 (9) ◽  
pp. 4406
Author(s):  
Ken Wei Tan ◽  
Joel R. Koo ◽  
Jue Tao Lim ◽  
Alex R. Cook ◽  
Borame L. Dickens
Keyword(s):  
Diabetes Mellitus ◽  
Myocardial Infarction ◽  
Acute Myocardial Infarction ◽  
Chronic Disease ◽  
Type Ii Diabetes ◽  
Census Data ◽  
Type Ii Diabetes Mellitus ◽  
Urban Setting ◽  
Type Ii

Chronic disease burdens continue to rise in highly dense urban environments where clustering of type II diabetes mellitus, acute myocardial infarction, stroke, or any combination of these three conditions is occurring. Many individuals suffering from these conditions will require longer-term care and access to clinics which specialize in managing their illness. With Singapore as a case study, we utilized census data in an agent-modeling approach at an individual level to estimate prevalence in 2020 and found high-risk clusters with >14,000 type II diabetes mellitus cases and 2000–2500 estimated stroke cases. For comorbidities, 10% of those with type II diabetes mellitus had a past acute myocardial infarction episode, while 6% had a past stroke. The western region of Singapore had the highest number of high-risk individuals at 173,000 with at least one chronic condition, followed by the east at 169,000 and the north with the least at 137,000. Such estimates can assist in healthcare resource planning, which requires these spatial distributions for evidence-based policymaking and to investigate why such heterogeneities exist. The methodologies presented can be utilized within any urban setting where census data exists.

scholarly journals Barriers and enablers of local adaptive measures: a case study of Bengaluru’s informal settlement dwellers

2018 ◽  
Vol 24 (3) ◽  
pp. 167-179 ◽  
Author(s):  
Tanvi Deshpande ◽  
Kavya Michael ◽  
Karthik Bhaskara
Keyword(s):  
Informal Settlement ◽  
Barriers And Enablers

ARCHITECTURAL INTERVENTIONS: A CASE STUDY OF HERITAGE ZONE IN KOTA BHARU, KELANTAN.

2014 ◽  
Vol 2 (1) ◽  
pp. 133-157
Author(s):  
Yasmin Mohd Fauzi ◽  
Juliza Mohamad
Keyword(s):  
Time Factors ◽  
Urban Setting ◽  
Kuala Lumpur ◽  
Urban Centers ◽  
The West ◽  
Built Heritage ◽  
Industrial Corridor ◽  
Architecture Style ◽  
Contemporary Architecture

AbstrakKelantan terletak dalam pengasingan dari koridor perindustrian di pantai barat dan jauh dari pengaruh KualaLumpur, Pulau Pinang dan Singapura. Adalah penting untuk menentukan daya-daya penentu pertumbuhanbandar di negeri ini kerana pusat-pusat bandar di Kelantan mempunyai gabungan unik antara potensidan kekangan. Walau bagaimanapun, sebagaimana proses globalisasi dan urbanisasi perbandaranyang berlaku di seluruh dunia, evolusi senibina di Kelantan tidak terkecuali dan pemeliharaan nilai-nilaisejarah yang unik perlu dilakukan. Warisan senibina Kelantan hari ini kurang dihargai oleh masyarakatkerana karaktornya yang terpencil dan kurang baik. Hal ini kerana proses pengekalan bangunan warisankurang diberi perhatian dan juga kurang mendapat penekanan daripada pihak berkuasa dan masyarakatsendiri. Terdapat banyak bangunan-bangunan bersejarah di Kota Bharu yang telah dirobohkan untuktujuan pembangunan bandar dan ada sebahagian bangunan diberi pengaruh gaya seni bina modendan kontemporari tanpa mengambil kira nilai sejarah yang sedia ada. Pertumbuhan intervensi senibinaadalah tidak dapat dielakkan atas permintaan untuk memenuhi keperluan perbandaran. Akibatnya, corakpersekitaran bandar dan warisan senibina ini mengalami perubahan sepanjang proses pembandaran.Selain itu, perubahan telah memberi kesan kepada suasana persekitaran iaitu bangunan (warisan alambina), serta perancangan jalan dan aktiviti. Abstract Kelantan is situated somewhat in isolation from the industrial corridor of the west coast and far from thesphere of influence of Kuala Lumpur, Penang and Singapore. It is important to determine the forces of thestate’s urban growth determinants because urban centers in Kelantan have their unique mix of potentialsand constraints. However, as far as globalization and urbanization that are taking place worldwide, thearchitectural evolution in Kelantan is not exempted and the preservation of any unique historical valueshould be done. The heritage architecture value of Kelantan today, has not been appreciated by localfolks and society because of its isolated and poor characters which has not been maintained and wellemphasized by the authority and society themselves. Hence, the remarkable heritage property has been‘invisible’ and demolished due to negligence and time factors. Moreover, there are many historical buildingsin Kota Bharu that had been demolished for urban development purposes and the influence of modernand contemporary architecture style without considering the existing and distinctive of historical value.The growth of architectural intervention is inevitably due to society and its demands to fulfill their urbanneeds nowadays. As a result, the pattern of urban setting and heritage property had changed throughoutthe years of urbanization. Moreover, the changes have affected the ambiance of surrounding i.e. buildings(built-heritage), and streets planning and activities.

scholarly journals Estimation of Above-Ground Mangrove Biomass Using Landsat-8 Data- Derived Vegetation Indices: A Case Study in Quang Ninh Province, Vietnam

2021 ◽  
pp. 506-525
Author(s):  
Hai-Hoa Nguyen ◽  
Huy Duc Vu ◽  
Achim Röder
Keyword(s):  
Vegetation Indices ◽  
Landsat 8 ◽  
Mangrove Forests ◽  
Estimation Model ◽  
The Status ◽  
Good Potential ◽  
The Mean ◽  
Accuracy Assessments ◽  
Quang Ninh

This study aimed to map the status of mangrove forests over the coasts of Hai Ha District and Mong Cai City in Quang Ninh Province by using 2019 Landsat-8 imagery. It then developed the AGB estimation model of mangrove forests based on the AGB estimation-derived plots inventory and vegetation indices-derived from Landsat-8 data. As results, there were five land covers identified, including mangrove forests, other vegetation, wetlands, built-up, and water, with the overall accuracy assessments of 80.0% and Kappa coefficient of 0.74. The total extent of mangrove forests was estimated at 4291.2 ha. The best AGB estimation model that was selected to estimate the AGB and AGC of mangrove forests for the whole coasts of Hai Ha District and Mong Cai City is AGB= 30.38 + 911.95*SAVI (R2=0.924, PValue <0.001). The model validation assessment has confirmed that the selected AGB model can be applied to Hai Ha and Mong Cai coasts with the mean difference between AGB observed and AGB predicted at 16.0 %. This satisfactory AGB model also suggests a good potential for AGB and AGC mapping, which offer the carbon trading market in the study site. As the AGB model selected, the total AGB and AGC of mangrove forests were estimated at about 14,600,000 tons and 6,868,076 tons with a range of from 94.0 - 432.0 tons ha-1, from 44.2 - 203.02 tons ha-1, respectively. It also suggests that the newly-developed AGB model of mangrove forests can be used to estimate AGC stocks and carbon sequestration of mangrove forests for C-PFES in over the coasts of Hai Ha District and Mong Cai City, which is a very importantly financial source for mangrove forest managers, in particular for local mangrove protectors.

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