Impact Of Ecosystem On The Deepwater Horizon Spill

Massive cleanup efforts were initiated within a few weeks of the spill and they continued at reduced levels for the next three years. Approximately 14% of the spilled oil was recovered by cleanup crews (Newsweek, p.50). As a result of these efforts and natural weathering, little oil from the spill remained in the affected area by 1992. However, according to the National Oceanic and Atmosphere Administration some oil residues are still found under the ocean surface in areas sheltered from wind and waves. Yet, these residues are highly weathered and the toxicity is reduced to levels tolerable by organisms in the water (7). Nonetheless, the magnitude and timing of the Exxon Valdez oil spill raised immediate concerns about possible effects on marine fish and wildlife and prospects that these effects might be long lasting.

On April 20, 2010, one of BP’s drilling wells below the Gulf of Mexico exploded and caused a disastrous oil spill. Thousands of barrels of crude oil flowed into the gulf every day, causing widespread pollution in the Gulf of Mexico (Law Brain, n.d). The habitats of many bird species are threatened by this oil spill.

To begin, the Exxon Valdez Oil Spill was a man-made environmental disaster that occurred in 1989. On March 24, the Exxon Valdez oil tanker struck Bligh Reef and spilled 260,000 barrels of crude oil into the waters of Prince William Sound in Alaska (Piatt, Lensick, Butler, Kendziorek & Nysewander, 1990). Eventually, this oil spread across 30,000 km² of water, damaging ecosystems and marine life along the way (Piatt, 1990). Evidently, this oil spill is considered to be one of the most destructive man-made environmental disasters in history (Dimdam, 2013).

This disaster of the BP oil spill has caused many deaths: 64 mammals, 2,919 birds, and 489 sea turtles according to National Wildlife Federation and these numbers are going to continue to rise year after year till all the oil is cleaned up. Also, the Gulf is home to endangered species. Kemp’s ridley sea turtles are currently listed as endangered, and could go to threatened in the next couple years. Another example is the Bluefin Tuna which is labeled as endangered and could send them to extinction due to the massive oil spill. This is one dire effect that is hurting our ecosystem, and this same instance happened in Alaska with the Exxon Valdez oil spill. A great example of how gruesome the oil has taken on wildlife, look at Fig. B where a there is an oil-soaked pelican. I believe the world should change its main source of oil to a different less destructing fuel.

Until now, when the offshore oil rig Deepwater Horizon exploded in 2010 and dumped 4.9 million barrels of oil into Louisiana salt marshes, scientists had no idea which kinds of animals were most affected and what impact it had on the food chain. However, with a new study from a Coastal Waters Consortium team of researchers led by Rutgers University postdoctoral researcher, Michael McCann, has found out what animals and insects affected by the Deepwater Horizon explosion that should be given the top priority for conservation, protection and research. The researchers found that terns, gulls and wading birds were both sensitive to the oil and so deeply connected to other animals in the food chain as predator and prey that losing them would impact

Back in the spring of 2010, the Gulf of Mexico experienced the worst oil spill in U.S history as a result of an explosion and sinking of the Deepwater Horizon Oil rig. On April 10th the hazardous accident had already killed 11 people, deformed and killed countless numbers of marine wildlife, and leaked 3.19 million barrels of oil that spread about 42 miles off the coast of Louisiana. Even though the well was located within the deep sea (the lowest part of the ocean that accounts for most of the water on Earth) the ecosystem suffered heavily from it. For instance, it has been reported that over 335 dolphins died, hundreds of sea turtles washed up on the shore soaked in oil, and hundreds of seabirds drowned or starved from not being able to fly,

Alford, J. B., Peterson, M. K., Green, C. C. (2014). Lessons from the 1989 Exxon Valdez Oil Spill: A Biological Perspective. In J.B. Alford (Ed.), Impacts of Oil Spill Disasters on Marine Habitats and Fisheries in North America. (pp. 101- 123). Anchorage, AK: CRC Press.

IMPACT OF THE DEEPWATER HORIZON OIL SPILL IN THE GULF OF MEXICO ON THE LOCAL ENVIRONMENT

In this paper I will be discussing the effects of the Deepwater Horizon oil spill on microbes in different locations of the Gulf Coast. A study done by Lamendella et al. (2012) investigated the effect of the oil on samples of microbes collected from a beach that was heavily impacted by the spill. Another investigation took a look at microbes on surface sediment samples from 64 different sites (Mason et al., 2014). A third study researched the past, present, and possible future responses of microbial communities, and how they have evolved to adapt to oil that was failed to be removed (Kimes et al., 2014).

Examination of this article will show what chemicals have been introduced into the gulf waters and the potential impact if left untreated. The disastrous effects of the Deepwater Horizon oil leak have caused a significant impact on our marine and mammal seafaring wildlife. Many private and governmental research institute studies were conducted immediately upon contamination and leakage of the oil flow into the Gulf of Mexico. Extensive studies were conducted over the course of the months before the capping of the oil well. To this day continued research studies have been conducted in the 6 years following the oil spill. Analyzing the impacts and effects of the oil spill, and the changes it has made to our environment and the ecosystem with in the gulf itself.

The Deepwater Horizon oil spill seriously endangered a rich, productive marine microfauna and ecosystem. Since tens of millions of gallons of oil gushed into the ocean directly affecting rich marine fauna. Moreover the disaster occurred at peak spawning and nesting season for many species of fish, birds, turtles and marine

In this study, researchers focused on determining the thresholds of marsh resilience near the Deepwater Horizon oil spill. It is important to identify ecosystem stress thresholds to prevent these ecosystems from experiencing stress thresholds that exceed their resilience. If stress exceeds these thresholds, any small change in an environmental stressor can cause an inevitable decline in overall ecosystem health.

The e Deepwater Horizon oil spill at the Macondo well began on April 20, 2010, in the Gulf of Mexico on the BP-operated Macondo Prospect. An explosion on the Deepwater Horizon drilling rig on 20 April 2010 killed 11 people and caused almost 5 million barrels of oil to flow into the Gulf of Mexico. The spill covered 68,000 square miles of land and sea and triggered a response effort involving the use of nearly 2 million gallons of dispersant chemicals (Pallardy). Considered the largest accidental marine oil spill in history, the Deepwater Horizon oil spill (DHOS) resulted in widespread environmental and economic damage, the exact nature of which is only beginning to be understood (Shultz 59). This paper will address the causes of this unmitigated ecological disaster and discuss steps that need to be taken to prevent a similar disaster from occurring again.

The health of the ecosystem and the Gulf of Mexico were effected drastically by the British Petroleum Oil spill. “When the Associated Press recently asked 26 scientists to grade the effects of the spill on about two dozen aspects of Gulf health, they concluded the Gulf was 11 percent less healthy today, dropping from an average 73 to 65 on a scale of 100 to zero” (Schleifstein 1). It is apparent that the British Petroleum Oil Spill has affected the ecosystem 's health conditions drastically compared to the time prior to this tragic incident. It is evident that the ecosystem is less sustainable than before the British Petroleum Oil Spill, proving that the spill was detrimental to the plant and

The oil also has a physical and physiological effect including irritation, inflammation, or necrosis of the skin, chemical burns, ingestion of oil/dispersants can lead to inflammation, ulcers, bleeding, as well as possible damage to liver, kidneys, and brain tissue. It can also cause disfunction of the immune and reproductive system. The wildlife can become physiologically stressed, their physical condition will ultimately decline, and some may even die. The oil spill has additionally had an extensive effect on the ecosystem as a whole. An ecosystem can be defined as a biological environment consisting of all the organism living in a particular area, as well as the non-living physical components of the environment with which the organisms interact. Experts predict that the ecosystem could require years or even decades to fully recover since there is a chance of biomagnification. Biomagnification occurs once a PBT(Persistent Bioaccumalative substances) have piled up in one part of the ecosystem the substance becomes concentrated from one link in the food web to the next. It can affect entire populations and threaten biodiversity in “insidious, sub-lethal” ways. In addition to the possibility of biomagnification the oil causes