Aquatic ecosystem

variables (total suspended solids (TSS), total phosphorus (TP), chlorophyll-a (Chl-a) and total nitrogen (TN)) ranges in three rivers (Canha, Pariquera-Acu and Jacupiranguinha Rivers). Eutrophication is one of the major problems affecting freshwater ecosystems because it restricts water usage, which may lead to environmental and socio-economic repercussions (Dodds 2006). In Sao Paulo, the key drivers of cultural eutrophication in most watersheds…

Tony Kosgei Hour 5 Section #3 Hazardous Chamber Terrestrial Chamber To begin building our terrestrial chamber, was like a job for my group (which it wasn’t supposed to be) because my group were busy talking when I was busy building the terrestrial chamber (I was the terrestrial chamber captain). In order to build a terrestrial chamber you need fertilizer, grass seeds and most important of all is a consumer to main the gasses’ length. To begin with, on day 1 (8/26) we mixed stay…

Now in the 21st century, fish is becoming the world’s largest wild food source. Fish are a very important and highly consumed resource for the majority of the world, but in the wild, it is in limited supply. With commercial fishing increasing higher and higher yields of fish, the supply of available fish is becoming increasingly low. Fishing grounds that once used to be thriving with stocks of fish are becoming an expended resource. “Fish consumption increased by 31% from 1990 to 1997 but the…

systems usually transfer stormwater runoff directly into streams and rivers, which in turn will worsen pollutant inputs and hydrologic disturbance, resulting in the degradation of ecosystem structure and function. Stormwater runoff from impervious surfaces is a key contributor to the collapse of healthy fresh water ecosystems in urban environments (Roy et al., 2008). This is a result of stormwater…

There are many biotic factors that are being impacted in the lake’s ecosystem. However, the most affected animals include the crayfish, clams, and mayfly. Crayfish need calcium in order to maintain a healthy exoskeleton. However, when a lake’s pH decreases, most of the minerals diminish as well. Affecting the crayfish in the process as they are weak and their source of food is being limited as well. Crayfish can be found in Australia and many other parts of the world but most commonly in North…

How Factory Farming Contributes to Global Warming Over the past few decades, global warming has been one of the biggest problems. Fundamentally, it is a fact that there are a number of causes in connection to global warming, and factory farming is one of them. A factory is an industrial site or group of buildings where products are made, normally consisting of machine and a large number of workers, and factory farming is a farm on which large numbers of livestock are raised indoors in…

Introduction Water is everywhere, from our oceans to the pond at your local park. These sources like the pond are considered freshwater ecosystem. Water is a neutral compound, meaning that in its natural state, it is neither acidic nor basic and has a pH of 7. However, water is subject to pollution and can easily be polluted by acidic compounds. And when you live in an area with a refinery, the surrounding waters can be very polluted. For this lab, we will test the various freshwater sources…

spread everywhere in the chamber was one that closely resembles its characteristics (Poinar 1). Slime mold engulfs fungi which is attracted to decayed material, therefore it is reasonable that the slime mold would thrive (Slime Molds1). In the aquatic chamber, the fish lived in water that was slightly too acidic for it. Betta fish prefer pH's of about 7.0 while ours fluctuated between 6.2 and 6.8 (Supalla 1). This could have been caused by the lack of filtering or the food being wasted going…

the slower-growing corals a chance to catch up and regenerate. An abundance of this starfish are located along the Great Barrier Reef in Australia. This Reef is the largest coral reef ecosystem in the world. It spreads over 300,000 square kilometers and contains such biodiversity which makes it the most complex ecosystem on Earth. The coral reef is the major source of nutrition for this star fish and it also provides a place for young Crown of Thorns starfish to…

Mercury Many studies have been performed to acquire specified effects of the toxic metal, Mercury, contaminating our ecosystems. Mercury is a toxic metal that can be fatal to human-beings and animals. Over the past years, many researchers have sampled water and different fishes to examine the concentrations of inorganic mercury. It has been studied that Mercury gets into the environment multiple ways. “Globally, approximately 6600 metric tons of Hg are emitted to the atmosphere annually, with…