Freshwater Ecosystem Definition. Freshwater ecosystems naturally share resources between habitats. 1. Water-based ecosystems may be fresh water (lakes and ponds) or saltwater (oceans, estuaries and saltwater marshes). Marine Life Freshwater Ecosystem Marine An ecosystem functions by continually cycling energy and materials through living organisms that An ecosystem characterized by low-salt content, making a suitable environment for various plants and animals is known as a freshwater ecosystem. This lecture Powerpoint begins with freshwater lakes, rivers, and wetlands, then eventually moving into the ocean. Aquatic Ecosystems Powerpoint Lecture. The abiotic factors as well as biodiversity are compared between each ecosystem. are bodies of freshwater that are surrounded by land. 2. The main abiotic factors that determine the type of aquatic biome are: sunlight, temperature and salinity. Ponds are usually shallower than lakes and the temperature of the water usually stays the same from top to bottom. In freshwater ecosystems such as streams, rivers and lakes, phosphorus is typically the limiting nutrient. The main inputs to ecosystems are sunlight, soil, nutrients and water, while wastes from one part of the system form fuel for other parts. Plants and algae Areas where the river meets the ocean: _____ 3. The ecosystems in rivers and streams, for example, bring salts and nutrients from the mountains to lakes, ponds, and wetlands at lower elevations, and eventually they bring those nutrients to the ocean. A key output is biomass (or carbon-based life) regenerating itself. All About Freshwater.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Differences The main and plain difference between the ecosystems is the salt level being that freshwater has a lower solinity than the marine but other would be that in freshwater more is focused on breeding habits than eating habits. Lakes and ponds. It tells about lakes, freshwater ecology and lake zones and the 2 basic life-sustaining processes in freshwater lakes all over the world. Freshwater Biomes Four different freshwater ecosystems Ponds/Lakes Streams Rivers Wetlands: marshes & swamps Freshwater Biomes Freshwater contains less than 1% salt. Freshwater ecosystems are classified ⦠distribution of ecosystems. Sunlight and nutrients determine the distribution of organisms. Water Pollution When an aquatic ecosystem receives a large doses of a limiting nutrient (usually nitrogen or phosphorus runoff from a heavily fertilized field), there is often an immediate increase in the amount of algae and other producers. Chapter 7 Aquatic Ecosystems PowerPoint Chapter 7 Aquatic Ecosystems Lecture Guide Planet Earth - Freshwater Video Questions Planet Earth - Shallow Seas Video Questions Planet Earth - Deep Oceans Video Questions Marine Ecosystems WebQuest Gulf Coast Region Scavenger Hunt Freshwater resources vary in terms of size from very small to large. Fresh water is the lifeblood of our planet, and freshwater ecosystems connect headwaters with oceans, land with water, and people with the resources they need to thrive. Freshwater Biome By: Chase Mercado, Premi Mohanavelu, Taylor Sutton, Samantha Schmid & Jacob Healy, 4th period Rainforests receive more [ light / rain / wind ] than other biomes. Freshwater resources also differ from each other in terms of their movement. The river meets the ocean lakes all over the world a suitable environment for various plants animals. 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