scholarly journals Mass occurrence of flies and seasonal changes in their species composition in the Tsunami disaster region after 2011 the Great East Japan Earthquake

2012 ◽  
Vol 63 (1) ◽  
pp. 85-89 ◽  
Author(s):  
Toshihiko HAYASHI ◽  
Haruna WATANABE ◽  
Mamoru WATANABE ◽  
Mutsuo KOBAYASHI
Keyword(s):  
Species Composition ◽  
Seasonal Changes ◽  
Great East Japan Earthquake ◽  
Tsunami Disaster ◽  
Mass Occurrence

The Impact of the COVID-19 Pandemic on Suicide Rate Trends in the Tsunami-Disaster-Affected Area Following the Great East Japan Earthquake

Crisis ◽  
2021 ◽  
Author(s):  
Masatsugu Orui ◽  
Suzuka Saeki ◽  
Yuki Kozakai ◽  
Shuichiro Harada ◽  
Mizuho Hayashi
Keyword(s):  
Mental Health ◽  
Suicide Rate ◽  
Great East Japan Earthquake ◽  
Short Time Scale ◽  
Psychological Burden ◽  
Affected Area ◽  
Tsunami Disaster ◽  
Suicide Rates ◽  
Miyagi Prefecture ◽  
The Impact

Abstract. Background: People who experienced the Great East Japan Earthquake (GEJE) were expected to have additional levels of psychological burden resulting from the stressful conditions imposed during the coronavirus disease 2019 (COVID-19) pandemic; consequently, suicide rates may increase. Aim: We aimed to carry out continuous monitoring of suicide rates in the affected area following the GEJE under COVID-19 pandemic conditions. Method: This descriptive study monitored the suicide rates of the coastal area of Miyagi Prefecture, where disaster-related mental health activities have been continuing following severe damage caused by the tsunami disaster. An exponential smoothing time-series analysis that converted suicide rates into a smooth trend was conducted. Results: Although the suicide rate in the affected area was higher than the national average in February 2020, it showed a declining trend during the COVID-19 pandemic, while showing an increase trend in the national and non-affected areas. Limitations: Uncertainty about the direct reasons for suicide and the short time-scale observation are the limitations of this study. Conclusion: Although the national suicide rate increased, this was not the case for the affected area. Our findings may provide important lessons for suicide prevention during the COVID-19 pandemic, which needs careful regional monitoring of the state of suicide and of high-risk approaches such as disaster-related mental health activities.

The recovery and dynamics of submerged aquatic macrophyte vegeta­tion in the Wilderness lakes, southern Cape

Bothalia ◽  
1992 ◽  
Vol 22 (2) ◽  
pp. 283-288 ◽  
Author(s):  
P. J. Weisser ◽  
A. K. Whitfield ◽  
C. M. Hall
Keyword(s):  
Species Composition ◽  
Seasonal Changes ◽  
Aquatic Macrophyte ◽  
Plant Biomass ◽  
Plant Populations

Between 1979 and 1981, the submerged aquatic macrophyte vegetation in the Wilderness lakes died back significantly, and in some areas disappeared altogether. This study documents the senescent phase and describes the recovery of the plant populations between May 1982 and May 1983. In two lakes, namely Langvlei and Eilandvlei, the plant biomass approximately doubled between the winters of 1982 and 1983. Seasonal changes in species composition are documented and possible factors accounting for the collapse and recovery of the plant populations are discussed.

Species composition and seasonal changes in macroalgal blooms in lagoons along the southeastern Gulf of California

2008 ◽  
Vol 51 (2) ◽  
Author(s):  
Alejandra Piñón-Gimate ◽  
Elisa Serviere-Zaragoza ◽  
María Julia Ochoa-Izaguirre ◽  
Federico Páez-Osuna
Keyword(s):  
Species Composition ◽  
Seasonal Changes ◽  
Gulf Of California ◽  
Macroalgal Blooms

Forensic investigation of the 2011 Great East Japan Earthquake and Tsunami disaster

2017 ◽  
Vol 26 (3) ◽  
pp. 298-313 ◽  
Author(s):  
Tadashi Nakasu ◽  
Yuichi Ono ◽  
Wiraporn Pothisiri
Keyword(s):  
Human Life ◽  
Vulnerability Index ◽  
Great East Japan Earthquake ◽  
Forensic Investigation ◽  
Content Type ◽  
Disaster Victims ◽  
Tsunami Disaster ◽  
Local Municipalities ◽  
Extent Of Damage ◽  
The City

Purpose Using the forensic investigation (FORIN) approach, the purpose of this paper is to identify the factors that exacerbated the loss of human life in one of the most devastated local municipalities on the coast by 2011 Great East Japan Earthquake and Tsunami (GEJET) disaster. Design/methodology/approach This paper begins by reviewing the extent of damage to the local municipalities along the Sanriku ria coast, which has a long history of tsunami disasters. Second, the paper compares previous major tsunami events by using a human vulnerability index, and applies this index to detect the city of Rikuzentakata. Third, the paper identifies the root causes of the GEJET disaster in the city. Interview records with disaster victims were used to elucidate the main factors that exacerbated the number of deaths. Findings The study indicates that the FORIN approach can be effectively applied to identify the target city for this case study and to point to those factors the most exacerbated human sufferings, and also provides many lessons based on research findings and methodologies to support building resilient societies in the future. Originality/value This paper indicates FORIN approach as an effective research template by investigating the GEJET disaster.

Innovation for Resilient Coastal Structures to Reduce Tsunami Disaster

2016 ◽  
Vol 11 (6) ◽  
pp. 1212-1220
Author(s):  
Masahiko Isobe ◽  
◽  
Keyword(s):  
Great East Japan Earthquake ◽  
Coastal Structures ◽  
Tsunami Disaster ◽  
Damage Reduction ◽  
Tsunami Mitigation ◽  
The Government ◽  
External Forces

The Great East Japan Earthquake Tsunami on March 11, 2011, caused unprecedented damage mainly in northeast Japan. This paper introduces the characteristics of the tsunami and resultant damage. The mechanism of the breaching of coastal structures and the effect of surviving structures on damage reduction in land are discussed. Then, a two-level tsunami mitigation concept, proposed and adopted by a committee hosted by the Government for recovery and reconstruction, is introduced. Within this framework, coastal structures are required to be resilient to external forces exceeding the design level. Various technologies that have been developed based on experience and research after the tsunami are introduced.

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