Problems with the watershed of chesapeake bay
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The Chesapeake Bay watershed spans 64,000 square miles across six states and Washington D.C., draining into the Chesapeake Bay. Over 17 million people live in the watershed, and human activities like pollution affect the Bay's ecosystem. The Susquehanna River is the largest contributor to the Chesapeake Bay, and flows through the Susquehanna watershed which includes the Oneonta area. The Chesapeake Bay ecosystem consists of the Bay itself and its rivers, streams, and all the plants and animals that depend on each other within the ecosystem.
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The document discusses Pennsylvania's drainage patterns and watersheds. It describes the five major watersheds in Pennsylvania and their tributaries. It also summarizes the key organisms found in freshwater streams, including algae, invertebrates, and vertebrates. Additionally, it outlines several abiotic factors that affect biodiversity in freshwater ecosystems, such as temperature, current, substrate, sunlight, and dissolved substances.
Earth's hydrosphere and water pollution
The hydrosphere refers to all water on, under, and over the surface of a planet, including water in oceans, rivers, lakes, atmosphere, and groundwater. The Earth's hydrosphere contains about 1.4 x 10^18 tonnes of water, with about 97% located in oceans. Water cycles through the hydrosphere via the hydrologic cycle. The hydrosphere supports life and is essential to the biosphere but is threatened by pollution from human activities like industry, agriculture, and waste disposal.
Earth's Hydrosphere and Water Pollution
The hydrosphere refers to all water on, under, and over the surface of a planet, including water in oceans, rivers, lakes, atmosphere, and groundwater. The Earth's hydrosphere contains about 1.4 x 10^18 tonnes of water, with about 97% located in oceans. Water cycles through the hydrosphere via the hydrologic cycle. The hydrosphere supports life and is essential to the biosphere but is threatened by pollution from human activities.
Aquatic environment
An aquatic ecosystem is a community of organisms that live in bodies of water. There are two main types: marine ecosystems, which cover most of the Earth's surface, and freshwater ecosystems, which include lakes, rivers, and wetlands. Freshwater ecosystems can be lentic (still water) or lotic (flowing water). Lentic systems have littoral, photic, and aphotic zones, while lotic systems have zones determined by flow speed. Water pollution is a major threat and can kill organisms by reducing oxygen or increasing nutrients.
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Problems with the watershed of chesapeake bay
- 1. A watershed is an area of LAND that drains to a particular river, lake, bay or other body of water. We all live in a watershed. Some watersheds, like that of your local stream or creek, are small. Others, like the Chesapeake Bay watershed, are very large.
- 2. Human activities affect the Chesapeake Bay ecosystem by adding pollution, using resources and changing the character of the land. However, we can make better choices in our everyday lives to lessen our footprint on the Bay ecosystem’s health…..
- 3. We live in the Susquehanna Watershed. It includes many rivers and streams from the Oneonta area.
- 4. The Susquehanna runs into the Chesapeake Bay. It is the largest contributor to the bay.
- 5. What is the Chesapeake Bay watershed? The Chesapeake Bay watershed stretches across more than 64,000 square miles. It encompasses parts of six states – Delaware, Maryland, New York, Pennsylvania, Virginia and West Virginia – and the entire District of Columbia. More than 17 million people live in the Chesapeake Bay watershed. The Chesapeake Bay’s land-to-water ratio (14:1) is the largest of any coastal water body in the world. This is why our actions on the land have such a big impact on the Bay’s health.
- 6. The Chesapeake Bay is one of the largest estuaries in the United States and is one of the most productive bodies of water in the world.
- 7. An ecosystem is a complex set of relationships among living and non-living things. Air, water, soil, sunlight, plants and animals – including humans – make up an ecosystem. The Chesapeake ecosystem consists of the Bay itself, its local rivers and streams, and all the plants and animals it supports.
- 8. All of the plants and animals in an ecosystem depend on each other in some way. For example, predators eat prey, and animals find shelter among plants. Even the smallest creatures play an important role in their ecosystem. Every living thing needs a healthy ecosystem to survive.
- 10. Nutrient pollution Too many nutrients in the water (called eutrophication) can fuel the growth of algae blooms. Oysters, menhaden and other filter feeders eat a portion of the excess algae, but much of it does not end up being consumed. The leftover algae die and sink to the Bay’s bottom, where they are decomposed by bacteria. During this process, bacteria consume oxygen until there is little or none left in these bottom waters.