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Symbol Package
An image depicts a rain garden, which is a bed of vegetation planted for the specific purpose of retaining rainwater and limiting runoff.
Rain Gardens as a Key Stewardship Behavior
A conceptual diagram illustrates the key features of the Chesapeake Bay watershed as well as the inputs that stimulate eutrophication and the symptoms of eutrophication.
The Causes and Effects of Eutrophication
An image depicts a house where an impervious concrete driveway has been replaced by special pavers that allow the ground below to retain water.
The Reduction of Hard Surfaces as a Key Watershed…
A conceptual diagram illustrates the seven key stewardship behaviors that can greatly impact the health of the watershed.
The Seven Key Stewardship Behaviors to Promote…
A baby terrapin makes its way to the water.
Baby diamondback terrapin (Malaclemys terrapin
A blue heron scans the water for its fish dinner. On a Tred Avon River dockside at Easton Point, Easton, MD.
Great Blue Heron (Ardea herodias)
A blue heron waits on a Tred Avon River dockside at Easton Point, Easton, MD.
Great Blue Heron (Ardea herodias)
A diagram illustrates the current state of Assateague Island's dunes and grasslands and shows the impacts climate change will likely have on this ecosystem.
Climate Change Effects on the Dunes of Assateague…
A diagram illustrates the factors related to climate change and how these factors will impact the species and habitat on Assateague Island.
Climate Change Factors and their Impacts on…
A diagram illustrates the current conditions of the forest and shrub ecosystem on Assateague Island and shows the impacts climate change will likely have on native species in this area.
Climate Change Impacts on Assateague's Forest…
A conceptual diagram illustrates the current issues that bay subtidal and mudflat habitats face as well as the problems they are likely to face in the future as climate change impacts this ecosystem.
Effects of Climate Change on the Bay Subtidal and…
A conceptual diagram illustrates the current threats to native salt marsh species as well as the threats these species will face as their habitat is altered by climate change.
Effects of Climate Change on the Salt Marsh…
A conceptual diagram illustrates the current issues that beach intertidal habitats face as well as the problems they are likely to face in the future as climate change impacts this ecosystem.
The effects of climate change on the beach…
Pickleweed is an invasive or introduced plant in Hawaii. It has succulent, brilliant green leaves and is common in salt marshes and tidal shorelines. It grows slowly in soils with high salt concentrations and areas with seawater overwash where it suffers little competition from other plants. The species manages salts by sequestering them in cell vacuoles and eventually shedding the leaves.
Batis maritima (Pickleweed)
The steps in this diagram assist Trust Fund recipients in determining the best experimental design and monitoring method for their water quality monitoring project.
Water Quality Management Decision Tree
In the section of the river above the dam builds up with sediment, making the dam shallower. High water flow causes scouring and the transport of sediment and associated nutrients over the dam. On this other side of the dam phosphorus mobilizes in reaction with salt water. Further down the river seagrass beds grow on the Susquehanna flats.
Conowingo Dam Reservoir and Susquehanna Flats…
The Northern Great Plains Network consists of 13 park units located in the Dakotas, Nebraska and eastern Wyoming. This network consists of 11 ecoregions.
Northern Great Plains Network National Park…
Ranking tributaries by water quality, then by diffuse nitrogen sources can help to determine which watersheds are high priority. High priority watersheds are those responsible for proportionally more nutrient and sediment inputs to receiving waters than other watersheds.
Steps to Identifying High Priority Tributaries
The timing of tropical storms and hurricanes can have major impacts on the life histories of Chesapeake Bay flora and fauna. Changes in water salinity can cause early spawning in some species, such as the blue crab, and increased sediment can cause widespread die-off of seagrasses.
Storm Timing and Impacts on Chesapeake Bay Flora…
This diagram illustrates the main threats from hurricanes and tropical storms. The counterclockwise circulation of winds in the Northern Hemisphere causes maximum winds and maximum storm surges.
Threats from Hurricanes and Tropical Storms
Human impacts to Fort Union Trading Post include loss of native grass species, invasive plants and reduced river flow. Methods such as prescribed fire and the planting of native species have been used to restore and protect the site.
Fort Union Trading Post National Historic Site…
Some of the most common threats to the national parks ecosystems include those to quality of air, quality and quantity of available water, and the parks native species. Prescribed fire is used to prevent uncontrolled forest fires and to reduce the growth of nonnative species.
Generic Resources and Threats to the Northern…
While Jewel Cave is currently in pristine condition there are several threats that could potential damage this site. These threats include the pollution of ground water that seeps into the cave at various points and visitor impacts.
Jewel Cave National Monument Threats and Features
The Niobrara River is where six major biomes converge to form a rich diversity of flora and fauna. Threats to the river arise from fire exclusion leading to the expansion of ponderosa pine into grassland area, changes in microclimates, the spread of invasive plants and the high volume of visitors during peak periods.
Niobrara National Scenic River Resources and…
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