The juvenile Rainbow Parrotfish generally spends its time in "mangrove sanctuaries", areas where the roots of a mangrove tree grow into the ocean and serve as a safe haven for small fish. Unfortunately, due to human interference and other factors, these mangrove populations are waning as well. This is opening these sanctuaries to predators and not allowing the juvenile fish that called them home to survive. The solution essentially narrows itself down to one goal, save the mangroves and, as a result, save the Rainbow Parrotfish. The question that I am asking is: "How much, in detail, does saving the mangroves help the Rainbow Parrotfish?
Holly Nelson-Allen English 101 3:30 Textual Analysis Essay Draft Garrett Hardin (1915-2003) was a professor of biology at the University of California-Santa Barbara and labeled himself a human ecologist. In “Lifeboat Ethics: The Case against Helping the Poor,” Hardin utilizes pathos, logos, and a combination of the two through metaphor, personalization, and dehumanization to persuade the reader that wealthy nations shouldn't assist impoverished nations. Hardin uses metaphor heavily throughout the essay. “Metaphorically each rich nation can be seen as a lifeboat full of comparatively rich people. In the ocean outside each lifeboat swim the poor of the world, who would like to get in, or at least to share some of the wealth.” (Hardin 4, pg 377).
Dr Carl Meyer from Hawaii Institute of Marine Biology stated that mass levels of shark culling “runs the risk of ecosystem-level cascade effects where a general lack of sharks results in boom or bust in populations of species further down the food chain”. Furthermore when nets are used to trap sharks, often animals such as dolphins, turtles, whales and dugongs become trapped in them. Turtles are one of the most endangered species as a whole and are just innocent bystanders in this war between humans and sharks. We need to be careful of not affecting other animals in this quest to reduce shark numbers in the name of nothing. Sharks can already be caught legally by commercial and recreational fishers so any cull would be largely
Evaluate the relative importance of global and local threats to one named global ecosystem (15 mark) One named global ecosystem is the coral reef. In order for an ecosystem to be a coral reef they would need to be in certain conditions; it usually is where the temperature is around 24 degrees and be in water less than 25m depth. The Coral reef has many global and local threats. The coral reefs are homes to over 25% of known sea creatures and are an invaluable service for the local population as a source of food and income. One major threat is that coral reefs are under huge stress due to the impact that human activities are having and in fact already 1/5 of the world’s coral reefs are so damaged that they are beyond repair.
Freshwater though essential to life, is one of the rarest and most endangered resources on our progressively fragile planet. We need to be worried about the increasing shortage of drinkable water and water pollution on Earth. The government issued a ban on the use of hosepipe at the beginning of summer to reduce water waste. Simple things like changing the basic habits in our homes to cut down on our daily use of water can also help. Environment is the surroundings and influences on living things including humans.
The by-catch and pollution must also be monitored. There have been positive results from this new management overall, though many salmon populations as well as other marine populations continue to be in decline. It is important that we as consumers choose fish products from sustainable fisheries and understand what this means for marine environments. If salmon continue to be fished and farmed in ways that are damaging to the environment, collapse of the entire industry may occur. This can cause unforeseen economic and ecologic problems that may be irreversible.
Escaped farmed salmon are then capable of spreading these infections to wild Pacific salmon populations. Of course, the big question is, “What can we do about these problems?” The best approach according to Frazer & Lewis (2008; as cited in SeaWeb, 2007), would include “… locating sea cages very far from wild fish” (Abstract), or using a “closed containment” (p. 2) system in order to isolate farmed fish from wild fish. Unfortunately, both options are more expensive than popular methods of aquaculture. Short-term gains from aquaculture and other human interventions appear to outweigh short-term losses, so industry has little incentive to follow more sustainable practices. If these practices continue, then long-term losses may result in the extinction of multiple Pacific salmon species
Many of the aquatic invertebrates are responsible for keeping the ecosystem clean by feeding on litters. Extinction of theses invertebrates would totally disrupt the balance of the ecosystem. The aim of this study is to bring awareness about the harmful impact global warming has on the local aquatic invertebrates and on the ecosystem at a global scale. The hypothesis for this study is that the biotic diversity of the slow moving water and fast moving water are driven by abiotic factors. To support this hypothesis, three predictions were made.
He makes it clear to the audience that the development of the reef into a marina will be the loss of 'something precious' and will lead to the 'franchise, chlorination and sterilisation' of the wildlife. He appeals by giving examples of the 'wilderness experience' that is the reef. By using the rhetorical question 'how many places can you go to where you can swim with a whale shark, be circled by manta rays and see a dugong' he is showing the audience the uniqueness of the location, giving more reason for the protection and the prevention of the development. He also takes an attacking argument on the 'five star resorts' of the world, saying that when people return from a holiday, they do not remember the 'shopping mall like' hotels, 'seen one, seen them all' type buildings, unlike nature which is unique and diverse in each location. Why replace uniqueness with
I remember looking down into the water and seeing a crab nestled on a rock. There were Buskers playing piano accordions, and the music followed us as we walked down the boardwalk. It was the perfect day to visit the ocean for the first time. The city is surrounded by tall, thick, green trees; slowly changing color to yellow and orange. As a child, every fall, my parents would take me and my siblings camping.