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Paper Topic:

Human Impact on Biogeochemical Cycles

- Human Impact on Biogeochemical Cycles

1 . In what ways could the use of fertilizers negatively impact aquatic ecosystems

Fertilizers are needed to boost crop productions , especially those of our staple foods . It is often high in nitrogen or phosphorous . And when it leaks into our water systems , it creates havoc on aquatic living things and the aquatic ecosystem . At the start , runoff of nitrogen and phosphorous to our rivers , streams , etc increases primary productivity (i .e . excessive plant growth and decay . Often it is the phytoplankton that increases in number (algal bloom

. These consume oxygen , hence with the unregulated growth of phytoplankton , oxygen levels in the water decrease until it cannot support the oxygen needs of aquatic animals These animals soon die off , and the water becomes turbid . Biodiversity will decrease , and the aquatic ecosystems become useless . This is how careless application and disposal of fertilizers negatively impact aquatic ecosystems . That 's why it is important to educate farmers , big corporations and those who use fertilizers on a big scale on the proper handling of fertilizers 2 . What are some measures that governments could implement to reduce the combustion of fossil fuels

To reduce fossil fuel combustion , the government can implement the use of alternative energy sources like solar power and hydropower especially in industries that widely use fossil fuels (factories , etc . Also , they can create a law requiring oil companies to have a biofuel line . Biofuel is any solid , liquid or gas fuel that is made from biomass . This type of fuel has reduced carbon emissions , the main byproduct problem of fossil fuels that contribute to global warming . Already , there are biofuel products that is used to power automotives (like E10 fuel . If the government can give incentives to oil companies that produce biofuel and citizens who use them , I 'm sure it will become popular . Thus considerably lessening fossil fuel combustion . Also , the government can also ask the citizens to reduce energy consumption and use less fossil fuels . They should encourage the citizens to use energy-efficient appliances , make carpool mandatory , tell companies to make a green space (plant trees ) in their buildings , etc , etc

3 . Should the government implement measures to protect ecosystems from man 's actions ? Why or why not

Yes , the government should implement protective measures to preserve our ecosystems . I 'm sure there are people who are conscious of doing what 's right for the environment . However , there are much more people who don 't care , hence the need for government laws . The protective measures are needed to be implemented because if not , destruction of our environment will continue . And before we know it , our world is dying already , and the future generations face a bleak future with wastelands to live in . With modernization came the price of our environment 's destruction , mostly brought about by careless actions on our part . It is the government 's duty and OUR duty to implement and follow laws meant to protect the only world we live in...

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