How accurate is the National Wetlands Inventory?
NWI maps were over 90% accurate in identifying uplands and jurisdictional wetlands. All nonforested wetlands were identified correctly. Uplands were correctly identified 96.9% of the time. The lowest level of accuracy, 90.7%, was achieved in identifying forested wetlands.
What is a wetlands map?
The Wetlands mapper is designed to deliver easy-to-use, map like views of America’s Wetland resources. It integrates digital map data along with other resource information to produce current information on the status, extent, characteristics and functions of wetlands, riparian, and deepwater habitats.
How do we see wetlands?
The most reliable evidence of wetland hydrology is provided by gaging stations or groundwater wells, but such information is limited in most areas and, when available, requires analysis by trained individuals. Standing or flowing water is observed on the area during the growing season.
What types of wetland habitats may be excluded from the Wetlands Mapper?
These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and nearshore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory.
What defines a wetland?
“Wetlands are areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions.
Where are the wetlands in the United States?
Wetlands are found in every state, although most of America’s wetlands occur in the eastern half of the continent where climate and natural geologic processes such as glaciation created an abundance of aquatic habitat. Minnesota, Florida, and Louisiana each have over 10 million acres of wetlands.
How are NWI maps made?
At the outset, NWI produced maps by first interpreting wetlands and deepwater habitats from high-altitude aerial photography (including 1:130,000, 1:80,000, and 1:62,500 scale photographs). Small-scale maps were then made by cartographers through an engraving process.
What is a wetlands test?
WETLAND WATER TESTING. Summary. Using card games, hands-on activities, computer activities, and water quality vocabulary, students understand some different properties that affect water quality, and learn to measure one chemical characteristic that helps determine water quality. Objectives. Objectives.
Who are the actors in the movie wetlands?
Cast overview, first billed only: Carla Juri Helen Memel Christoph Letkowski Robin Marlen Kruse Corinna Meret Becker Helens Mutter Axel Milberg Helens Vater
What was the error code for the movie wetlands?
(Error Code: 102630) The adventures of an eccentric girl who has strange attitudes towards hygiene and sexuality longs for the reunion of her divorced parents. The adventures of an eccentric girl who has strange attitudes towards hygiene and sexuality longs for the reunion of her divorced parents.
Who is the Surfer Girl in the movie wetlands?
She is as much a plot device as a flesh and blood character. Reyna de Courcy, as “Surfer Girl” is quite literally a plot device as the film’s superfluous and slightly annoying narrator. The much anticipated approaching hurricane is little more than a cheap metaphor for the foreboding that pervades the film and never amounts to much of anything.
How old is Helen in the movie wetlands?
The eccentric 18 year-old Helen narrates the story of her life, including stories about her preferred sexual practices that involve vegetables, her attitude towards hygiene, drugs, her best friend Corinna and her challenging childhood. The frame story takes place in a hospital where she is treated because of an anal fissure.