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Transcript of Rivers
A slow current can result in the rooting of plants in the silt left behind from heavy rain (Abiotic).
Changes in the temperature can influence the metabolism of cold blooded creatures in rivers (Abiotic). Rivers Surface Condition : Decomposer >>> BACTERIA Abiotic Factors Food Web Freshwater Environments such as rivers (Phytoplankton: The Foundation). Habitat- Population Size Phytoplankton Cont'd Reproductive Behavior Asexual Reproduction is most common (Weis).
Adult cells develop Spores and then release them into the environment (Weis).
Spores then develop into single algae cells or divide into many cells using mitosis (Weis). Food Web Autotroph
Bottom of Food Web (Phytoplankton: The Foundation) Nutritional Requirements Receive Produce Sunlight
Nitrate (Phytoplankton: The Foundation) Oxygen
Chemical Energy (Phytoplankton: The Foundation) Environmental Sensitivity Population Dropped 40% in the last 60 years (Morello).
Rising Sea surface temperatures are the cause (Morello).
Without these creatures, half of the worlds oxygen would not be produced (Morello).
The largest decline in their population has occurred near the poles (Morello). Usefulness Energy Supplements to boost energy (Smith, Natalie).
Treatment for skin conditions like bug bites, wrinkles, and liver spots (Smith, Natalie).
Natural Asthma Remedy (Smith, Natalie).
Diabetes Treatment (Smith, Natalie).
Provide 50% of the worlds oxygen (Morello).
Use Carbon as their fuel (Morello). River Otters Common in all of northern Minnesota (River).
Live near streams, rivers, lakes, wetlands, and water reservoirs in all of the united states and Canada (Basic).
They like habitats near water and an abundant food supply (Basic). Habitat & Population Reproductive Behavior Mating Season occurs from December to April (Basic).
Sexual Reproduction (Basic).
Embryos wait to 8 months to start developing (River).
50 days after the start of development the cubs are born (River). Secondary Consumers (River).
Consume clams, fish muskrats and turtles (River).
Also on occasion consume land animals like mice, rabbits, and chipmunks (River). Environmental Sensitivities Pollution and Wetland drainage (River).
In the 1900's this destroyed their habitat (River).
Trapping can also be a problem (River).
The fur of River Otters is valuable which lead to the trapping of around 20% of the population (River). Habitat: They live everywhere in the world (London). Reproductive Behavior: Bacteria reproduces through binary fission, form of asexual reproduction (Bailey). Human Attractiveness: Human bodies contain many types of bacteria inhabiting different organ systems. Some of these bacteria, particularly those of our intestine and skin, enhance our digestion and immune system (symbiotic). Commenailism Realtionship occurs between river otters and beavers (North).
River otters use the beaver's dens or lodges they have made (North). Zebra Mussels Symbiotic Relationship: Leeches have a symbiotic relationship with bacteria because the leeches stomach is dominated by bacteria. (Graf). Zebra mussels can spread through ecosystems in many ways
Young Zebra mussels are particularly bad because they are small and free swimming which helps them move freely throughout an ecosystem (Zebra Mussels National).
Once they get older they attach themselves to structures (Zebra Mussels National).
This can be harmful because they attach to boats, water intake pipes, and cost us hundreds of thousands of dollars. They are also harmful to other animals such as crayfish and turtles because they attach to these organisms (Zebra Mussels National). Phytoplankton will be eaten at a more rapid rate with zebra mussels because they filter out algae such as phytoplankton from the rivers. With the introduction of even more predators the phytoplankton population will decrease (Zebra Mussels National).
Perch not have as much food because they will be competing with the Zebra mussels for phytoplankton (Zebra Mussels National).
River otters will be negatively impacted because the phytoplankton and perch population will be lower resulting in less food for the river otters (Zebra Mussels National).
Bacteria will be positively affected in the short term because there will be more dead organisms for bacteria to feed off of (Zebra Mussels National). Zebra Mussel Control Zebra mussels are controlled in different ways.
You can use of chlorine, filters, or mechanical scraping to remove mussels from vehicles (Zebra Mussels National).
All strong chemicals that would kill Zebra mussels would also kill most native creatures in the ecosystems (Zebra Mussels National). Perch Perch live in slow-moving rivers, lakes, reservoirs, and ponds throughout Minnesota (Yellow Perch Minnesota). Perch Yellow Perch spawn in early May and the eggs hatch 2-3 weeks later (Yellow Perch Minnesota).
Heterotroph (Yellow Perch Minnesota).
Perch feed on minnows and other living organisms such as mayflies and small fish (Yellow Perch Minnesota). (Phytoplankton Biovolume) (http://www.epa.gov/med/grosseile_site/indicators/yellow-perch.html) Symbiotic relationship has occurred between Phytoplankton and other single celled organisms (Gale). This is mutualism because phytoplankton and the host species eventually both species evolved and neither could exist without each other (Gale). Bacteria are mostly heterotrophs (London). Bacteria can eat almost anything from sugars and organic matters to in organic substances such as gasoline (London). Rivers usually have continuously flowing waters and are usually quite curved (Herbert). http://www.tpl.org/what-we-do/where-we-work/minnesota/mississippi-river-northwoods.html Phytoplankton River Otters Bacteria Perch Food Web Energy Pyramid River Otters Phytoplankton Perch Sun prezi.com 100% 10% 1% Available Energy Trophic Level 1 2 3 Population: 5 million trillion trillion 500,000,000,000,000,000,000,000,000,000 (San). Typically rivers have continuously flowing waters that have many bends in them (Herbert). Average Temperature in Minnesota 54.7 degrees Fahrenheit (Normals).
85.31 inches of precipitation is received yearly (Normals).
Winter, spring, summer and Fall are experienced in Minnesota.
The yearly average of humidity in Minnesota is around 70% (Current). Typical Minnesota Rivers (Smith, Richard) http://www.tpl.org/what-we-do/where-we-work/minnesota/mississippi-river-northwoods.html (Smith, Richard) (Yellow Perch Population) (Zebra Mussels National) http://www.nationalatlas.gov/articles/biology/a_zm.html Zebra Mussel affects on River Ecosystems http://www.severnsound.ca/SSEA_Rep_WaterQuality.htm Sensitivity to insults: Changes to the pH levels in bodies of water such as rivers can kill bacteria (Huebsch). River Otters Perch 12,000 River otters in Minnesota (River). Predatism occurs between humans and yellow perch because humans try to catch and eat them (Predatism) (Yellow Perch Minnesota). (London) (Yellow Perch Minnesota) (Phytoplankton The) (River) (London) (Yellow Perch Minnesota) (Phytoplankton The) (River) Overfishing can be a serious threat to the perch population (Yellow Perch Minnesota).
Humans can use perch for recreational purposes like fishing or for food. Prezi.com Heat Heat