They need to be realistic. Which brings me onto my next point — it is perfectly acceptable for students to only design labs and not to actually carry them out. This act was finally solidified in 1970 revision with an imposed clean water act without exceptions. We are all aware that Natural Disasters cannot be avoided since they are caused by nature but they can be predicted to some extent. Each sample set was then brought to the laboratory for testing using the LabQuest2 to obtain the following readings of — 1. The effect of pollution would have decreased this species diversity however since it was originally high, it remained the site with the highest species diversity.
Aim: To assess fish population, feeding practices its effects on the environment and water quality and hence deduce the quality of the fish. All four sites zones contained acceptable levels of total phosphates. Tank and Pond Culture of Tilapia. However, after using the formula to estimate the population of Tilapia in the pond from the first 10 trials, it was found that the total estimated population was 59, 700. Does environmental accounting help the environment in any way? Furthermore, water samples were collected from each site and water quality tests were done on these samples.
Water with high turbidity is cloudy, whereas water with low turbidity is clear. Biologists would analyze subsequent impacts to aquatic flora and fauna from increases in water turbidity. The village has a population of 48,000 persons. On the pH scale, a pH of 7 is neutral, below 7 is acidic and above 7 is basic. Four 4 250mL beakers 6.
When the Alkalinity level is high, the Nitrate level would therefore be low as water is able to neutralize nitrates which are acidic in nature. In addition, there were reliable since the information given was proven to be true. It is noted that the site which had the highest level of pollution, site B, had the highest species diversity, whereas the site which had the lowest level of pollution, site D, had the lowest species diversity. The concentration of unionized ammonia in water for the efficient survival of tilapia should be below 0. The uses of the pond range from recreational to the rearing of a range of fishes, predominantly Tilapia for the local market. Hence, zero percent 0% of the respondent indicated it.
Whether it is air pollution, land trash pollution, or water pollution the fact remains that it is all pollution created by humans. Today it provides an integrated, quantitative, and approach to the study of. Figure 3 shows that forty percent 40% of the persons practicing farming are over the age of 50 years, thirty five percent 35% are between 41-50 years while twenty percent 20% are between 31-40 years. As an example study of soils , calculations would be made of by soil scientists. Water Wheel is a small community in Westmoreland. Each group then went to their respective site and carried out quadrat sampling 4.
Events occurring in the community which brought cause for alarm such as Santa Barbara Oil Spill 1969 and the Cuyahoga River fire in Cleveland Ohio. Literature review Overpopulation is a serious problem that will eventually have an extremely negative effect on our environment and our planet. Photosynthesis Investigate the effect of one factor of your choice on photosynthetic rates of Elodea. Also, it also a favourite among most people for bathing and indulging in other recreational activities. As such, water loses its ability to hold dissolved oxygen which therefore results in an increase in the Biological Oxygen Demand. The difference between the two is called the rate of natural increase. When Salinity increases, there will be more salt particles being present in the water.
Purpose Coastal ecosystems play an important role in Trinidad. The feeding practices and harvesting were also documented. The reading was then recorded. The Federal water pollution control act followed in 1965 gave the Government limited controls to federal water pollutants due to limited enforcement authorities and money. The laboratory technician pre-standardised each probe before testing the samples. Sample water from each site 9. One is the birth rate, or the number or people being born, and the other is death rate, or the number who died.
The lid of the bottle was then tightened quickly under water. The pH values of the four visited sites were fairly similar with values ranging between 7. During the period of 1692 — 1957 there were several major earthquakes that rocked the Caribbean. Furthermore, in Trinidad, the north eastern, eastern and south eastern coastal zones are essential as they form habitats for various species of plants and animals. We act as our own and it is due to this that there has never been a more accepting and cohesive group of students to pass down these halls. Merton Johnson enjoyed is hard working life, who rose to the top by becoming the biggest landowner in the village of River Bottom.
Water samples were collected at each of the visited sites by placing the water bottles under water for 1 minute, until all the air bubbles were removed. The beakers were placed in a drying oven at a 100 °C until the following day. Figure 2 shows the percentage of the resident of the residents who are farmers. A drying oven was then used to evaporate the water and the beaker was reweighed. It was of great significance since the researcher was able to use both qualitative and quantitative methods for analysis and data. The researcher have been observing persons practicing in Water Wheel for a period of time as this was also means of getting information for my assignment. Thus, it is confirmed that the water temperature at each site is appropriate for the growth and reproduction of tilapia.
Over the years, tilapia became the dominant species in the pond, which is currently made up primarily of Mozambique tilapia. Refer to Lab 4 Alkalinity — Alkalinity of the water samples was determined by titrating 0. This geographical phenomenon makes the island more susceptible to hurricane. In the community, there is also a health centre, a primary and secondary school and two recreation grounds for use in the community. How has Human Activity impacted positively or negatively on species diversity? Salinity is the measure of all the salts dissolved in water, and the ideal salinity for tilapia growth is 15ppt and under.