The impact of foreign direct investment,tourism, electricity consumption,and economic development on CO2 emissions in Bangladesh

Environmental Science and Pollution Research - The study’s goal is to investigate the impact of foreign direct investment (FDI), tourism, electricity consumption, and economic development on...     

Identification of rainfall homogenous regions in Saudi Arabia for experimenting and improving trend detection techniques

Environmental Science and Pollution Research - In Saudi Arabia, identifying homogenous zones based on rainfall patterns is critical for ensuring a predictable and stable water resource and...     

Exogenous melatonin reduces water deficit-induced oxidative stress and improves growth performance of Althaea rosea grown on coal mine spoils

Environmental Science and Pollution Research - Coal mining activities are responsible for significant land degradation and often long-term irreversible effects on ecosystem functioning. To better...     

Comprehensive review on naringenin and naringin polyphenols as a potent anticancer agent

Environmental Science and Pollution Research - Though the incidence of several cancers in Western societies is regulated wisely, some cancers such as breast, lung, and colorectal cancer are...     

Are there any effects of eco-climatic factors on freshwater prawn reproduction: a study on monsoon river prawn,Macrobrachium malcolmsonii

Environmental Science and Pollution Research - Prawns are regarded as delicious food items and a source of income as it is the salient exportable fishery item of Bangladesh and a number of other...     

Alterations in protein metabolism in selected tissues of fish,Cyprinus carpio,during sublethal concentration of cypermethrin

Freshwater fish, Cyprinus carpio, were exposed to sublethal concentration of cypermethrin (20 µg/l) for 6, 12, 24 and 48 h to determine the protein fractions, amino acids, protease, alanine aminotransferase, aspartate aminotransferase, ammonia, urea and glutamine levels in gill, brain, liver and muscle tissues. Total, structural and soluble proteins showed decrement; whereas free amino acids and the activities of protease, aspartate aminotransferase and alanine aminotransferase significantly increased at all exposure periods in cypermethrin-exposed fish. Interestingly, ammonia content decreased but urea and glutamine levels increased in all the tissues during cypermethrin stress. It was observed that the changes steadily increased with an increase in the period of exposure and exhibited tissue specificity.     

Modeling of freshwater wetland management strategies for building the public awareness at local level in Bangladesh

Bangladesh has a large aerial extent of freshwater wetlands for her deltaic characteristics. In 1970, the total area of wetlands in Bangladesh is estimated to be 70000–80000 km², approximately, i.e., 50 % of total national land area. In the recent years, most of these wetlands are being lost and degraded primarily because of flood control projects, irrigation and agricultural activities and others human interference. Unfortunately, over the last three decades in the name of wetland development, local habitats were not taken care of. In this paper, the stakeholder and scenario analyses are employed for measuring public views towards wetlands degradation in Bangladesh. Involvement of stakeholders helps reconcile their different conflicting interests in wetlands, hence creating a common understanding about the problem under study. An exploratory scenario analysis illustrates different themes fulfilled by the wetlands and their associated services in case study Chalan Beel. The Chalan Beel once covered an area of approximately 651,230 acres in 1967. Currently, the permanent flooded area of the Chalan Beel has been reduced to about 18,120 acres. The scenarios show that most of the wetlands in Bangladesh are converted into agricultural lands, settlements, roads, and highways. Aquatic plants and animals are lost and endangered due to human interference and natural disturbance. The government, policymakers and some private organizations are trying to design suitable policy for wetland management but they are not able to reach this goal. It is observed that the local and national policies are facing complexities to create an effective regime to set aside the wetlands management policy in Bangladesh. In this context, this paper proposed an Increased Public Awareness (IPA) policy model that could be pathways for both short and long-term solutions of wetlands degradation in developing nations like Bangladesh.     

Modeling mitigation strategies for toxic cyanobacteria blooms in shallow and eutrophic Lake Kasumigaura, Japan

This paper explores mitigation scenarios for toxic cyanobacteria blooms in Lake Kasumigaura is located about 60–90 km northeast of Tokyo, in the southeast of Ibaraki Prefecture, Japan. Dominant species of cyanobacteria (Microcystis aeruginosa, Microcystis viridis and Microcystis ichthyoblabe) produce highly potent toxins as (Microcystin-(Leucine + Arginine, MC-LR), Microcystin-(Arginine + Arginine, MC-RR) and Microcystin-(Tyrosine + Arginine, MC-YR) in the Lake. Toxin production is generally the result of two major factors-natural processes and human interferences. Both factors have an extreme influence on the generation of cyanobacteria toxins within lake ecosystems. To address these factors, we propose two concepts for mitigation. The first concept is intended for examining the natural process of toxin production behavior within the lake and the second concept is used for evaluating inflow of wastes and nutrients from human activities that form toxins. Our research aims to combine both strategies to mitigate impacts of toxins, by examining trends of cyanobacteria nutrient sources, buoyancy regulations that influence bloom formation, and the environmental conditions that spur blooms. This study proposes a simple IMPACT (Integrating Mitigation Policies for Aquatic Cyanobacteria Toxin) model for diminution strategies of harmful algal blooms and their toxins. A mixed-methods approach is employed, nested within the Environmental Systems Analysis (ESA) tools e.g. scenario analysis and stakeholder analysis. The quality of the lake is assessed through a combination of observation and field study analysis. The findings suggest that successful mitigation of cyanobacteria toxins is highly dependent on multi-functional, multi-stakeholder involvement, and relevant intergovernmental policy. Without integrating approaches among different stakeholders, diverse socioeconomic activists, local-national policymakers and effective policy measures, prevention of cyanobacteria toxin production within lakes becomes extremely complex and difficult. The proposed IMPACT model could be a decision framework for identifying suitable policies that mitigate cyanobacteria impacts.     

Major climate-change issues covered by the daily newspapers of Bangladesh

Communications research scholars, political scientists, and policy analysts have significantly recognized the role of news media in reporting and portraying public issues. Nowadays, climate change is an important global environmental concern for the world communities. Study on the media coverage of climate-change issues is vitally important to know the present situation of both the global and regional climate, as well as to assess the causes, mitigation and adaptation techniques, and its adverse impacts. This study demonstrates the coverage of newspapers in Bangladesh on climate change from May 2006 through June 2009 for the three most popular newspapers of Bangladesh, namely The Prothom Alo, The Daily Ittefaq, and The Daily Star. Natural disasters was the major climate-change issue that received the most coverage, along with agriculture, biodiversity, global warming, climate change, crime, water scarcity, food scarcity, politics, wetlands, tourisms, rivers, forestry and miscellaneous issues. Local communication concerned with climate-change issues was given preference in the coverage by the newspapers throughout the study period. The study will be useful for awareness-program formulation on climate-change mitigation and adaptation in Bangladesh.