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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

A diagram illustrates the flow capacity for the Mississippi River in thousands of cubic feet per second, based on the 1956 project design flood. The Ohio river is the 200,000 square-mile eastern drainage of the Mississippi River watershed. Diagram from — Flow Capacity for the Mississippi River

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 industrialization and urbanization have had a negative environmental impact on the Ohio River today several organizations are working together to combined economic and development opportunities with recreational and ecosystem goals. Diagram from — Main Threats and Key Features of the Ohio River…

A conceptual diagram illustrates the main threats and key features of the Upper-Mississippi River Sub-Basin. Some of these threats include harmful algal blooms, power plants and urban centers. Diagram from — Main Threats and Key Features of the Upper…

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

A conceptual diagram illustrates the dates and locations of different Mississippi River Report Card workshops. The workshop process is used to bring different groups together to strengthen the report card and promote broad prospectives, dialogue and collaboration. — Mississippi River Report Card Workshop Timeline

The diagram lists potential indicators for the Ohio River Basin that were generated at the workshop. The goals listed in this diagram are representative of the things people value in the Ohio River Basin watershed. — Potential Indicators for the Ohio River Basin

The Lower Mississippi River Basin supports a diversity of uses, dependent upon both natural and human engineered systems. This conceptual diagram illustrates the main threats and key features of the river basin. — Threats and Features of the Lower Mississippi…

Chilika Lake Pollution Pressure

Chilika Lake Tourism Pressure

Lower Mississippi land use is dominated by developed, forested and cropland areas, and has the largest proportion of wetlands of the entire Mississippi River Basin. — Lower Mississippi Land Cover Map

Several connections were made at the Lower Mississippi River Basin workshops. These connections will be used to develop a basin-wide report card for the watershed. — Lower Mississippi Workshop Connections

Emergent wetland species are planted in a buoyant matrix that floats at the water surface. The roots of these plants grow through the matrix and take up the nutrients they need to grow directly from the water, potentially decreasing nutrient concentrations. — Floating Wetlands Structure and Impact

Excess nutrients will result in increased chlorophyll and turbidity, limiting the amount of light that reaches benthic sediment. Light is essential for healthy submerged aquatic vegetation growth. — Light and Dark Conditions Impact on Submerged…

Icterus galbula (Baltimore Oriole)

Newborn mockingbird nest tucked deep into thorny pyracantha hedge. — Nest of northern mockingbird (Mimus polyglottos)

Diagram depicting Human-caused and natural vulnerabilities of Chesapeake Bay to climate impacts. — Human-caused and natural vulnerabilities of…

Snowfall and the tilt of this bird feeder full of sunflower seeds did not deter these birds. Northern cardinals (Cardinalis cardinalis) and dark-eyed junkos (Junco hyemalis) were the primary visitors. The male cardinal is bright red and the female is a soft green-gray with red accents. Both have red beaks. The male junco found on the US East Coast has a pinkish beak and is slate gray on the top half of the body and soft white on the lower half. This photo was taken in February 2014 in Cambridge, MD USA. — Birds on a tilted bird feeder

A Maryland native shrub, the surrounding winter foliage of this Northern bayberry (Myrica pensylvanica) shrub provided a male Northern cardinal (Cardinalis cardinalis) with a protected perch. — Northern cardinal

A Maryland native shrub, the surrounding winter foliage of this Northern bayberry (Myrica pensylvanica) shrub provided a male Northern cardinal (Cardinalis cardinalis) with a protected perch. — Northern cardinal

Total nitrogen (TN)

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