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Introduction to aquaculture
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Vietnam with its long coastal areas and topography of many ponds, rivers, lakes, estuaries has a high potential for aquaculture development (Nguyen Thanh et al., 2006). Aquaculture with its rapid growth has been helping the country’s economy with exported products as well as improving farmers’ livelihoods in rural areas (Duc, 2009, Tran Dinh, 2009, Phuong Lan, 2013). On the other hand, aquaculture in association with agriculture is a “climate dependent” activity with high risk of failure from natural hazards (Adger, 1999, Allison et al., 2009). Adger (1999), Dasgupta et al. (2007) showed evidences that disasters like typhoons, floods, and droughts occur more frequently and seriously in the past twenty years in Vietnam relate to climate change. According to Boateng (2012), the Red river delta in the north and the Mekong Delta …show more content…
Bui Nguyen Phuc et al. (2012) investigated communities’ awareness of climate change and its impacts on rural coastal livelihood in Ben Tre province. Most of farmers acknowledge of climate change and it is decided by age, education and past experience. Among agriculture, aquaculture and fishing farming, climate change events have serious impacts on aquaculture. With the same purpose of understanding the impact of weather variability on aquaculture and agriculture in the Mekong Delta, Dang Kieu et al. (2011) used 1990 – 2008 statistical series data and information from previous projects to analyze. The results showed that rice and shrimp production in the study area are influenced mainly by temperature and rainfall. Rice production is more sensitive to weather variables than aquaculture, and shrimp production is more sensitive than Pangasius catfish
“Oceans”, the third unit from “The Habitable Planet” series, discusses El Nino and the discovery of a new phytoplankton, and how these effect human and marine life . This paper will highlight six facts from the video, emphasizing what they are, how scientists have discovered this information, and what makes them important. In addition to these facts, this paper will explain the term “positive feedback” as briefly mentioned in the video and provide an example of this process outside of El Nino. The first of several interesting facts discussed in the video is that El Nino is responsible for devastating occurrences such as monsoons, droughts, and floods1.
Already scientists have observed that more than 75% of the recent economic losses are caused by natural hazards which can be attributed to wind storms, floods, droughts and other climate related hazards. In the year 2008, the U.S. state of Iowa was on the front pages of newspapers all around the world. Weeks of heavy rain in the Midwest caused rivers to swell and levees to break. Millions of acres of farmland are now underwater, their plantings most likely destroyed. By March, Iowa had tied its third-highest monthly snowfall in 121 years of record keeping, and then came the rain. April’s st...
On the heart (center) of California is a flat area with miles and miles of farms and up to 230 different crops. The central valley agriculture is essential to the United States; it not only delivers almost half of the produce but also helps the economy by also giving more job opportunities (California Department of food and agriculture, 2014). Many families depend on the central valley agriculture to survive economically in the United States. It is a well-known fact that rain and snows in the Sierra Nevada Mountains are a very important element in the central valley. No rain in the central valley can cause many devastating issues to occur quickly. Recently in the year of 2013 California received less rainfall than years before. The small amount of water the central valley is receiving is harming not only to the land but humans and animals as well. It’s destroying the habitats of animals with forest fires caused from the dry spells occurring. The central valley is going through a drought, so much that around this time of year the central valley usually accumulates enough rain for the necessities in the valley, agriculture for example. This year, however, has been different, the central valley hasn’t received enough water and this has caused a drought in the valley. Water is an important element in this world for not only human life, but for the environment in general, a shortage of water supply can bring issues to the environment and those living in it. The central valley holds the largest percent of class one soil, not only that, the valley grows a third of all the produce being grown in the United States, that’s more than 230 crops that are being grown in the central valley. However, this drought isn’t only affecting the resident...
Climate change has become of the world’s major issue today. The earth’s climate is always changing in a very fast and also in different ways. Climate changes affect our lives psychologically, emotional and also physically. Climate change is defined as a long term change in the earth’s climate, especially a change due to the increase in the average atmospheric temperatures. Due to this change in temperature, a lot of changes has occurred in our environment, these changes include rising sea levels, flooding, melting of polar ice caps, hotter days, colder nights and heat waves. These climate changes plays an important role in shaping our natural ecosystem, our human economics and also the most important, it affects the human race. For
Climate change is currently generally regarded as a major global issue that is especially acute in developing countries. This study focuses on the impacts of climate change and variability on smallholder farmers, their vulnerability and coping strategies on a micro-scale in a developing country.
Over 650 million Indians depend on climate-sensitive sectors like agriculture, forestry and fishery for their livelihoods. The adverse impacts of water availability due to change in rainfall, increased flooding in certain areas and recession of glaciers combined with increased water demand due to demographic development and climate change could threaten food security, destabilize the natural ecosystems including species that sustain the livelihood of rural households and impact the coastal system due to sea level rise and increased extreme weather events (Garg et al. 2007).
Flooding has been a dominant climate impact for the contribution, and the principal cause of damage to property and infrastructure (Smith and Lawson, 2011). Climate change impact effect flooding risk on infrastructures both urban and rural areas in Ethiopia flooding risk damage urban and rural infrastructures (Negussie Ashebir, 2015; DDAEPA, 2011). In Ethiopia climate change impact cause food insecurity, outbreak of diseases such as malaria, dengue fever, cholera and dysentery, malnutrition, land degradation and damage to infrastructure (Kidanu et al., 2009; Adem and Bewket, 2011; Adem and Guta, 2011; Oates et al., 2011; EPA,
The Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report shows that that climate change has a direct impact on agriculture, livestock and fishing that lead to affect local and the global food security (Bals et al., 2008). Projected impact of climate change directly pertaining to agriculture include extended droughts and the loss of soil fertility as result of increased precipitation. This state of affairs led to the making of the United Nations Millennium Development Goals (MDGs) in 2000, having the first goal to “Eradicate extreme poverty and hunger” with a target to halve the proportion of people who suffer from hunger. However, projections of a rapidly growing population, coupled with global climate change, is expected
In this essay, the effects of climate change on agriculture and how to manage it shall be discussed. Climate change has and will greatly affect agriculture. As time progresses, the effects of climate change will worsen and become detrimental. Mendelsohn and Dinar (2009:1) state,” if future climate scenarios lead to a widespread reduction in food supply, there could be massive problems with hunger and starvation”. Climate change is a change in global climate patterns which is mainly caused by the increased levels of atmospheric carbon dioxide produced by fossil fuels. The writer chose this topic because climate change is a global problem that will pose a threat to people’s lives around the world and must be dealt with sooner than later.
This final report is going to analyze the different opinions of people, who come from different nations, about the influence of climate change on food security. The research will focus on 40 students at International Pacific College (IPC). They are both males and females who come from New Zealand, Japan, Indonesia and Vietnam. The primary data, which was collected from the quantitative questionnaires with 21 questions, was used in this study. The main factor that will be discussed in this research is how aware people are about the influence of climate change on food security, people’s concern when they choose food and the attentiveness of people about food security. Different nationality and gender were included in this research to notice the different thoughts from people who come from different nations in the world about climate change and food security because the climates are not similar in different countries.
According to National Geographic, Many human societies depend on specific crops for food and clothing. When the climate changes in the area that they are living, they can’t grow crops in this field.Also, scientists believe that tropical diseases will expand to some regions where the temperature is extremely high. (Natural Geographic). This shows how people who depend on growing crops for survival are affected due to the change of climate. According to gto Environmental Protection Agency, climate change affects fisheries. When climate changes, the ranges of many fishes and shellfish decreases. Marine species have temperature ranges at which they can survive. Also, diseases that affect aquatic life will occur when the water is warm. Furthermore, changes in temperature affect the timing of reproduction. For example, in the Northwest warmer temperature changes the lifestyle of salmon. This leads to a decline in salmon population. (EPA) Climate change which is caused by greenhouse gases has an enormous impact on Food
Climate change is currently affecting agriculture because it is causing prolonged droughts, violent flooding, sea level to rise, and also health related issues. Droughts and flooding utterly affect agriculture because it damages cultivation since the amount of water applied to crops and farming is fundamental to the...
Climate change leads to some potential impacts on human and ecosystem that threatens our daily life. It affects us in various aspects including water, ecosystems, food, coasts and health etc. In the food aspect, some people may suggest that food production and plants can be ris...
I actually know very little on the topic of aquaculture. The term did not strike my vocabulary until the age of 9 while watching a documentary. After this documentary, I lost interest and the term did not again strike my vocabulary until the age of 11. While visiting Disney World, particularly Epcot, I learned most of what I know of this topic. There was a gentle boat ride which showed visuals of farming around the world. The process of aquaculture intrigued me.
Marks, Danny. "Climate change and Thailand: impact and response." Contemporary Southeast Asia 33.2 (2011): 229+. Academic OneFile. Web. 08 Feb. 2014.