The effect of human activities to lake ecosystem essay

In urban area, plant nutrients nitrates and phosphates enter the natural environment through anthropogenic sources, like sewage treatment effluents. The one vital difference between the inventory and an audit is that the inventory is concerned only with the environment, whereas an audit concerns the relationship of a community.

In both Canada and the U. The sea lamprey is a parasitic fish which attaches to other fish and feeds on them. Dredging and sea dumping activity can also lead to water pollution.

Loss of habitat, combined with reliance on a few genetically-engineered crop strains instead of indigenous crops, have resulted in the endangerment of a disproportionately large number of plant and animal species in Canada.

Water Resources

Ongoing effects include rising sea levels due to thermal expansion and melting of glaciers and ice sheets, and warming of the ocean surface, leading to increased temperature stratification. Different species live in different temperature ranges. Solutions and recommendations to reduce the detrimental effects of global warming will be proposed, and the position will be taken, that the greatest importance is to take care of the negative consequences of global warming because we are in dire need of dealing with the damaging effects.

Quebec is also a significant producer of asbestos, gold, iron ore and copper. Introduction of non-native species, whether intentional or not, has resulted in the interbreeding of native and non-native species, with the consequent decline of native species.

Trophic Classification of Aguatic Ecosystems Oligotrophic Low levels of organic matter-tend to be deep and clear, oxygen rich bottom supports cold water fish such as trout, Phosphorus is limiting Mesotrophic-more organic matter, oxygen level in lake bottom is low Eutrophic- High levels of organic matter-abundant plant growth poor clarity, stratified with oxygen poor bottoms A dead zone is an area where oxygen levels fall below 2 ppm.

This is happening in rare wetland habitats that have been overtaken with the exotic plant, purple loosestrife Lythrum salicariaor in areas of the St. Arvind Balaraman Eutrophication pronounced you-tro-fi-KAY-shun is a natural process that occurs in an aging lake or pond as that body of water gradually builds up its concentration of plant nutrients.

Chilka lake of Orissa is largest lake in India. It has also been recorded that human activities have also augmented atmospheric concentrations of nitrous oxides.

Water Pollution in Lake Huron Lake Huron&nbspThesis

S, polar bears are in the Endangered Species Act due to the high rate of melting ice. The cryosphere is made up of areas of the Earth which are covered by snow or ice.

As the population increases and the demand for goods increases, there may be a growing conflict between further economic development and the maintenance of pristine ecosystems large enough to sustain viable wildlife populations.

In the twenty years spanning tothe total area of the Montreal Urban Community increased from km2 in to km2, the Quebec City area increased from km2 to km2, and the Sherbrooke and Trois-Rivieres became classified as urban centers.

Human activities introduce a great amount of petroleum hydrocarbons into water, including daily sewage, leaching, oil spills, underground tank leaks, etc. Cited studies suggested a great deal of uncertainty in projections.

In the process, the globe is warming at an unprecedented rate, water and air are being polluted, and forests are being destroyed; however, awareness and education are enc The environment of planet Earth is being harmed and the causes of environmental degradation are mostly man made.

We are currently in a period of high climatic variability. Globalization The proliferation of international trade treaties in the last few decades has led to an increase in global movement of goods.

This has occurred most often through the release of ballast waters from ships. Air emissions from the Inco steel smelter in Sudbury, Ontario were directly responsible for a significant portion of the acid rain that has decimated terrestrial and aquatic ecosystems in eastern North America.

In addition, nearly all fresh waters contain some human-made compounds, such as pesticides and other industrial and consumer products. Well I say, maybe we do not pollute enough.

A combination of lack of predators and favorable climate have led to a deer population explosion on the island, whose numbers over are threatening the indigenous fauna of this small island only km long by 55km wide. The cause of global warming is ultimately related to the shift in the atmosphere, caused by gases that humans are causing.

For instance, releasing aquarium fishes or using exotic ornamental garden plants whose seeds escape into natural systems can increase the probability of an exotic species becoming established in our native ecosystems.

For instance, releasing aquarium fishes or using exotic ornamental garden plants whose seeds escape into natural systems can increase the probability of an exotic species becoming established in our native ecosystems.

Purple loosestrife Lythrum salicaria is a perennial wetland herb that grows in sunny wetlands, and in other disturbed habitat. Evidence from fossils and paleobiological studies have indicated that these periods of rapid climate change have been associated with mass extinction events.

Eventually, the lake or pond begins to fill in and starts to be choked with plant growth. Loss of habitat, combined with reliance on a few genetically-engineered crop strains instead of indigenous crops, have resulted in the endangerment of a disproportionately large number of plant and animal species in Canada.

Many aquatic organisms can only live within a narrow range of temperature. In Quebec inan average of tonnes of nitrogen and tonnes of phosphorus were applied to agricultural lands in the form fertilizers, or were present as livestock wastes.

When physical scientists talk about environment they Environment means the surroundings.Any human activity in Antarctica has some form of impact on the environment. One of the major categories of human activity is the establishment and operation of research stations, airstrips, and other facilities needed to support scientific work.

THE H.

What is the Human Impact on the Environment?

T. ODUM SYNTHESIS ESSAY The Primacy of Top-down Effects in Shallow Benthic Ecosystems K. L. HECK JR.* and J. F. VALENTINE Dauphin Island Sea Lab, University of South Alabama, Bienville Boulevard, Dauphin Island. Exercise 2: Effects of Human Activities on the Lake System Introduction Laguna de Bay is said to be the Philippines’ largest inland water body covering.

Effects Of Toxic Pollutants On Food Chains Environmental Sciences Essay. Print Reference this. Disclaimer: and lead can have a tremendous impact on the ecosystem, especially if the water gets polluted.

in most cases higher levels are thought to result from human activities (Relyea). Common sources of nitrate include:. Essay on the Impact of Human Activities on Environment! In order to meet the basic needs of increases population, the present society has under taken a series of steps like rapid industrialization, unplanned urbanisation, deforestation, overexploitation of natural sources, etc.

Eutrophication (pronounced you-tro-fi-KAY-shun) is a natural process that occurs in an aging lake or pond as that body of water gradually builds up its concentration of plant nutrients.

Download
The effect of human activities to lake ecosystem essay
Rated 3/5 based on 89 review