Limnological studies of the River Karasu-gawa, Yamagata Prefecture

An Outbreak of Carbon Monoxide Poisoning in Yamagata Prefecture Following the Great East Japan Earthquake

Background: In the aftermath of the Great East Japan Earthquake, most of the areas in Yamagata prefecture experienced a serious power failure lasting for approximately 24 hours. A number of households were subsequently poisoned with carbon monoxide (CO) due to various causes. In this study, we conducted a survey of CO poisoning during the disaster. Methods: A questionnaire regarding CO poisonin...

An Overview of Hydrogen Sulfide Suicides in Yamagata Prefecture, Japan

Background: Hydrogen sulfide (H2S) is one of the major toxic gases and the second most common cause of death in workplaces among toxic gas-related morbidities. H2S suicides using hospital-based data were studied in 2008. However, most cases did not involve ambulance transfer to the hospital because the victims of H2S suicide were usually found dead at the scene. H2S suicide-related data elucida...

Limnological and ecotoxicological studies in the cascade of reservoirs in the Tietê River (São Paulo, Brazil).

An evaluation was made of the quality of samples of water and sediment collected from a series of reservoirs in the Tietê River (SP), based on limnological and ecotoxicological analyses. The samples were collected during two periods (Feb and Jul 2000) from 15 sampling stations. Acute toxicity bioassays were performed using the test organism Daphnia similis, while chronic bioassays were carried ...

An Overview of Hydrogen Sulfide Suicides Based on Police Data in Yamagata Prefecture, Japan

Limnological and pollution study of Shahdadroud River, Kerman province

Abstract Shahdadroud River is one of the most important rivers in Kerman province that during previous years has been threatened by drought and anthropogenic pollution. This river supplies some parts of drinking water of Kerman city and some vicinity villages. The main objective of the present study is consideration of pollution situation of the river; for this purpose, limnological and biolo...