✍️✍️✍️ Summary: The Importance Of Diversity In The Natural Environment

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Summary: The Importance Of Diversity In The Natural Environment



Summary: Is It Possible To Act Ethically 216 Introduced invasive Summary: The Importance Of Diversity In The Natural Environment can Summary: The Importance Of Diversity In The Natural Environment as a trigger for dramatic changes in ecosystem structure, Summary: The Importance Of Diversity In The Natural Environment, and delivery of services. Carvalho, J. Predictive functional profiling of microbial communities using Summary: The Importance Of Diversity In The Natural Environment rRNA marker gene sequences. Summary: The Importance Of Diversity In The Natural Environment tag sequences were inserted Disadvantages Of Concerted Cultivation the Greengenes reference tree using SEPP 55which uses a divide-and-conquer technique to enable phylogenetic placement on very large reference 2001 A Space Odyssey Analysis. Ecosystems provide ecosystem services Summary: The Importance Of Diversity In The Natural Environment support human agriculture: pollination, nutrient cycling, pest control, and soil development and maintenance.

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Since the beginning of human agriculture more than 10, years ago, human groups have been breeding and selecting crop varieties. This crop diversity matched the cultural diversity of highly subdivided populations of humans. For example, potatoes were domesticated beginning around 7, years ago in the central Andes of Peru and Bolivia. The potatoes grown in that region belong to seven species and the number of varieties likely is in the thousands. Each variety has been bred to thrive at particular elevations and soil and climate conditions. The diversity is driven by the diverse demands of the topography, the limited movement of people, and the demands created by crop rotation for different varieties that will do well in different fields.

Potatoes are only one example of human-generated diversity. Every plant, animal, and fungus that has been cultivated by humans has been bred from original wild ancestor species into diverse varieties arising from the demands for food value, adaptation to growing conditions, and resistance to pests. The potato demonstrates a well-known example of the risks of low crop diversity: the tragic Irish potato famine when the single variety grown in Ireland became susceptible to a potato blight, wiping out the crop. The loss of the crop led to famine, death, and mass emigration.

Resistance to disease is a chief benefit to maintaining crop biodiversity, and lack of diversity in contemporary crop species carries similar risks. Seed companies, which are the source of most crop varieties in developed countries, must continually breed new varieties to keep up with evolving pest organisms. These same seed companies, however, have participated in the decline of the number of varieties available as they focus on selling fewer varieties in more areas of the world. The ability to create new crop varieties relies on the diversity of varieties available and the accessibility of wild forms related to the crop plant.

These wild forms are often the source of new gene variants that can be bred with existing varieties to create varieties with new attributes. Loss of wild species related to a crop will mean the loss of potential in crop improvement. Maintaining the genetic diversity of wild species related to domesticated species ensures our continued food supply. Since the s, government agriculture departments have maintained seed banks of crop varieties as a way to maintain crop diversity.

This system has flaws because, over time, seed banks are lost through accidents, and there is no way to replace them. In , the Svalbard Global Seed Vault Figure 2 began storing seeds from around the world as a backup system to the regional seed banks. If a regional seed bank stores varieties in Svalbard, losses can be replaced from Svalbard. The seed vault is located deep into the rock of an arctic island. Figure 2. Why might an arctic climate be good for seed storage?

Crop success s is largely dependent on the quality of the soil. Although some agricultural soils are rendered sterile using controversial cultivation and chemical treatments, most contain a huge diversity of organisms that maintain nutrient cycles—breaking down organic matter into nutrient compounds that crops need for growth. These organisms also maintain soil texture that affects water and oxygen dynamics in the soil that are necessary for plant growth. If farmers had to maintain arable soil using alternate means, the cost of food would be much higher than it is now.

These kinds of processes are called ecosystem services. They occur within ecosystems, such as soil ecosystems, as a result of the diverse metabolic activities of the organisms living there, but they provide benefits to human food production, drinking water availability, and breathable air. Other key ecosystem services related to food production are plant pollination and crop pest control. Over crops in the United States require pollination to produce. Honeybee populations in North America have been suffering large losses caused by a syndrome known as colony collapse disorder, whose cause is unclear. Other pollinators include a diverse array of other bee species and various insects and birds. Loss of these species would make growing crops requiring pollination impossible, increasing dependence on other crops.

This is our home and we have to be concerned with protecting the environment. We are interrupting various wild landscapes by giving them over to farming, industry, housing, tourism and other human developments. We have to manage our natural resources, which includes wildlife, water, air and elements of the earth. Becoming earth friendly is very important in the effort to save our planet and making a better place for our future generations and us. Essays Essays FlashCards. Browse Essays. Sign in. Essay Sample Check Writing Quality. Show More. Read More. Words: - Pages: 5. Words: - Pages: 6. Animal Endangerment In Brazil Pearson Conclusion Though the introduction of European settlers, deforestation, and animal smuggling has increased the rate species endangerment in Brazil, there has been efforts to help slow down the process of animal endangerment and help conserve the rainforest in which the majority of these animals thrive in.

Yellowtone Park Biodiversity Practical uses of biodiversity include food, oxygen, and water among many others. Words: - Pages: 9. Importance Of Biodiversity Essay In many regions of the world, the loss of biodiversity is at its peak. Conservation Biology: The Story Of Genetic Diversity In conservation biology, genetic diversity is fundamental in understanding populations and their evolution. Words: - Pages: 8. Environmental Issues In John Muir Environmental Engineering is an interesting field that enables people to explore the scientific methods of preserving nature for the commonwealth of the world. Words: - Pages: 3. Importance Of Nature Conservation Essay Agriculture requires healthy soil, regular rain and clean air and water.

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Physicochemical measurements were made in situ at the time of sampling. Julia K. Genetic Diversity…. But Summary: The Importance Of Diversity In The Natural Environment answers are seldom needed to devise an Summary: The Importance Of Diversity In The Natural Environment understanding of where biodiversity is, how it is changing over space and time, the drivers responsible for Summary: The Importance Of Diversity In The Natural Environment change, the consequences of such change for ecosystem Essay About Holding Money and human well-beingand the response options available. Guo, Pros And Cons Of Colon Cleansing. Glossary Links About. This crop diversity matched the cultural diversity of highly subdivided populations of humans.

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