Question

hey frnds....
write a speech on the topic "wetlands and important ecosystem " for class 10th ASL...
plz help me frnds.....

Answer 1

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Wetlands are special ecosystems where land is saturated with water, making it a ‘wetland’.  Such areas may also be completely or partially covered with water either permanently, or seasonally. The scientific explanation is that the water that drenches the soil stays at the surface for a long period of time. There are two types of wetlands: coastal and inlands. Inlands are seasonal, and are created from freshwater. Estuaries are a special kind of a coastal wetland, mixing freshwater and saltwater.

Wetlands, as part of the ecosystem, should be protected as it is important. Why? Given below is list of importance of wetlands.

1.)    Benefits of wetlands in preventing floods

Wetlands act as an absorber of water, so when it rains water moves slowly throughout the water systems (rivers, streams, lakes, etc.). When heavy rain pours down suddenly, Wetlands would prevent flashfloods since it will absorb the rain water, and thus preventing rivers from filling up.

Wetlands clean pollution like nitrogen, carbon, phosphorus, and suspended solids. Wetlands can also remove metals, as metals can enter wetlands through surface or soil flow. Industries are actually researching on how they can use it to remove their scrap metals, without causing destruction of wetlands.

 

3.)    Wetlands control climate

Controlling the climate is one of the greatest hydrologic functions of the wetlands. Through evapotranspiration, wetlands return 2/3 of their annual water to the atmosphere. Wetlands also control extreme temperatures in adjacent uplands by cooling them, as wind passes through the wetlands.

 

4.)    Importance of Wetlands in Ecosystem

Wetlands are among the most biologically productive ecosystems in the world, as it provides home for immense varieties of species of native plants and wildlife. Microbes, plants, reptiles, amphibians, migratory and native birds, amphibians, fish, and insects seek refuge in this home. This habitat provides food for humans and animals alike. Also, wetlands beautify areas and provide recreational functions such as fishing, canoeing, and bird watching.

5.) Importance of wetlands in water purification

Wetlands filter out the sedimentation, decompose vegetative matter and converts chemicals into usable form. This way, wetlands makes the water clean and usable for our purposes.

Wetlands are really essential for overall functioning of the earth due to their ability to recycle the nutrients. At few places, where clean water is not available in sufficient amount, artificial wetlands have been developed to purify the water.

Conclusion:

The benefits of wetlands are immense. They control the climate, keeps the surroundings pollution free, prevents floods, provides home to many species etc. But wetlands are disappearing very quickly. Not everyone knows that they are very important for the ecosystem. Wetlands have been mistaken as waste land and turned into land.

But as it turns out, they play a very significant role in the ecosystem. Every measure should be taken to protect the wetlands. We hope this essay on the importance of wetlands helped you in your assignment. Do share your opinion on wetlands topic in the comments below.



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Answer 2

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Wetlands are among the most productive ecosystems in the world, comparable to rain forests and coral reefs. An immense variety of species of microbes, plants, insects, amphibians, reptiles, birds, fish and mammals can be part of a wetland ecosystem. ... They provide great volumes of food that attract many animal species.
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⏭️⏭️Wetlands are unique, productive ecosystems where terrestrial and aquatic habitats meet. Wetlands play a
⏭️⏭️critical role in maintaining many natural cycles and supporting a wide range of biodiversity. They purify and
⏭️⏭️replenish our water, and provide the fish and rice that feed billions. They serve as a natural sponge against
⏭️⏭️flooding and drought, protect our coastlines and help fight climate change. Bursting with biodiversity, wetlands are a vital means of storing carbon. Wetlands are also tremendously productive ecosystems that
⏭️⏭️provide a myriad of services to society worldwide.
Wetlands are particularly important providers of all water-related ecosystem services. They regulate water quantity, groundwater recharge, and can contribute to regulating floods and the impacts of storms.
⏭️⏭️Wetlands also help in erosion control and sediment transport, thereby contributing to land formation and increasing resilience to storms. All these ecosystem services improve water security, including security from natural hazards and climate change adaptation. The final Rio+20 outcome document, “The Future We Want”, inter alia, recognised the role of ecosystems in the supply of water and its quality.
⏭️⏭️Wetlands are productive areas for plant life, animals and wetland agriculture. Compared to many other
ecosystems, wetlands are one of the most productive habitats in the world. With greater species diversity nutrient recycling and niche specialization than most other ecosystems.
Wetlands are the major habitat for most of the world’s waterbirds and key habitat for migratory species.
⏭️⏭️Almost all of the world’s waterbirds use wetlands as feeding and breeding grounds. Migratory waterbirds use wetlands throughout their range which can sometimes literally be from pole to pole. The feeding, breeding and stop-over areas across and between continents that migratory birds depend on requires co-ordinated wetlands conservation efforts among many nations.
Wetlands are an important source of food. Well-managed rice paddy systems, for example, produce not
⏭️⏭️only rice but also co-benefits from rice-associated biodiversity, such as highly nutritious food in the form of fish, molluscs and crustaceans. Wetlands also support the multitude of biota that helps sustain rice productivity through supporting nutrient cycling and pest and disease regulation. The entire production of inland capture fisheries and most coastal fisheries is derived from wetlands, as is most aquaculture production.
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