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Part of the "Life in Aquatic Environments" series. Places many of the organisms into an ecological perspective of hydras, planarians, annelids, aquatic insects, rotifers, protists, and all other organisms that provide food for fish and other vertebrates. Observes adaptations for planktonic life in daphnia and other cladocerans, copepods, rotifers, and planktonic algae. Explores bacterial decomposition, recycling of materials, adaptations for bottom life, and ecological relationships in the bottom community. Takes an underwater look at the highly specialized organisms that live in rapids, under rock communities, and in slower waters. Investigates adaptations for life in temporary wetland environments.
(Source: DCMP)
Salt marshes, bogs, swamps, and freshwater marshes are examples of wetlands, each one home to wide varieties of plant and animal life. This type of biome is a complex ecosystem that benefits people and upon which humans have had destructive impact.
In this episode, host Jeff Corwin explores the largest wetland habitat in Botswana featuring a great herd of elephants, deadly hippos, snakes in trees, and exotic birds. Part of the "Ocean Mysteries" series.
Nutria, an alien species in Louisiana, is having devastating effects on native wildlife. They are native to South America and have no known natural predators in the wetlands of Louisiana. Zoologist Nick Baker goes to investigate the damage to plant life from these voracious vegetarians. Segment of video from Wild Chronicles Series.
Service learning is much more than community service. It can influence a student's life in a substantial way and maybe even change the world. Students from four different schools in three different locations learn about local environmental issues and commit to making a difference in their community. Some of the projects include collecting data at an artificial reef, restoring native trees in the wetlands of Florida, repopulating ancient oyster beds, and cleaning up water ways.
At the National Science Foundation-funded Center for Environmental Implications of Nanotechnology (CEINT), headquartered at Duke University, scientists and engineers are researching how nanoscale materials affect living things. One of CEINT's main goals is to develop tools that can help assess possible risks to human health and the environment. A key aspect of this research happens in mesocosms, which are outdoor experiments that simulate the natural environment. These simulated wetlands in Duke Forest serve as a test bed for exploring how nanomaterials move through an ecosystem and impact living things. Part of the “Science Nation” series.
Everywhere one looks in Southern Louisiana there's water: rivers, bayous, swamps, the Mississippi River, and the Gulf of Mexico. And everyone in Cajun Country has a water story, or two or three or more. Its waterways support the biggest economies in Louisiana - a $70 billion a year oil and gas industry, a $2.4 billion a year fishing business, tourism and recreational sports. But these waterways are also home to some insidious polluters along a 100-mile-long stretch of the Mississippi known "Cancer Alley," the world's largest Dead Zone in the Gulf of Mexico and erosion that is costing the coastline twenty five square miles of wetlands a year.
