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A graph illustrates the issue that the use of nitrogen fertilizers in Maryland has more than doubled since 1970.
Increased Nitrogen Fertilizer Use in Maryland…
An image illustrates how lawn fertilizer can negatively impact the watershed when rain washes it into the water system.
Lawn Fertilizer Limitation as a Key Stewardship…
A map depicts the general distribution of several of Maryland's common harmful algal blooms, in the Chesapeake and Coastal Bays.
The Distributions of Common Harmful Algal Blooms…
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 the current issues facing the inland wetland ecosystem on Assateague Island as well as the impacts climate change will have on this area.
Climate Change Effects on Assateague Island's…
A diagram illustrates the current conditions of the intertidal beach ecosystem on Assateague Island and shows the impact climate change will have on this area.
Climate Change Effects on Assateague Island's…
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 diagram illustrates the impacts climate change will have on Assateague Island across several different ecosystems.
The Widespread Effects of Climate Change on…
This nematode worm is a parasite, originally from Southeast Asia. With the American eel population already declining, the introduction of this nematode may have a large negative impact on the survival of this species.
Anguillicoloides crassus (Nematode Worm)
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)
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…
Badlands National Park sits upon highly erodible sedimentary rocks that form distinctive pinnacles, gullies and spires. Threats to the park include illegal fossiling and the invasion of weeds and non-native grasses.
Badlands National Park
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…
A map shows that land use in the Ohio River Basin is dominated by developed, forested and cropland areas. Diagram from
Ohio River Basin Land Use
As land use in the Chilika Lake area changes from forest to settlements and paddy agriculture sewage, and fertilizer and pesticides runoff increases into the Lake. This extra nutrient input results in algae blooms that float and sit on the bottom.
Chilika Lake Pollution Pressure
While tourism provides economic benefits to local communities surrounding Chilika Lake, tourist activities can have several negative impacts on the environment including air pollution, trash, noise and wildlife disturbances.
Chilika Lake Tourism Pressure
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