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Celebrating 100 Years of Science! | 1925-2025

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Conceptual diagram illustrating the contributing factors toward a healthy and eutrophic ecosystem.
Healthy vs. eutrophic ecosystem
Conceptual diagram illustrating how nutrient availability, which decreases as you move further offshore, determines the location of algae and seagrasses.
Nutrient availability influences algae and…
Conceptual diagram illustrating primary productivity within seagrass beds.
Primary productivity of seagrass beds
Conceptual diagram illustrating the inverse relationship between the size of plants and their growth rates and nutrient requirements.
Relationship between plant size, nutrient…
Illustration of Gracilaria spp.
Gracilaria spp. 2
Oysters and macroalgae cover the rocks along the Battery in downtown Charleston, South Carolina
Oysters and algae on rocks
Codium fragile, or 'Dead Man's Fingers' is a seaweek invasive to the northwest Atlantic
Dead man's fingers (Codium fragile)
Conceptual diagram illustrating the changes that occur in an underwater ecosystem as the nutrient load increases.
Effect of nutrient loading on primary producers
Conceptual diagram illustrating the methodology in analyzing the nitrogen in a water source using macroalgae as a bioindicator.
Nitrogen stable isotope methodology
Illustration of Macrocystis pyrifera (Giant Kelp)
Macrocystis pyrifera (Giant Kelp) 1
Illustration of Macrocystis pyrifera (Giant Kelp)
Macrocystis pyrifera (Giant Kelp) 2
Illustration of Nereocystis pyrifera (Bull Kelp)
Nereocystis pyrifera (Bull Kelp)
Macroalgae bloom, Ulva lactuca (sea lettuce), that washed up onto the Oxford beach along the Tred Avon River.
Ulva bloom on the Tred Avon River
Macroalgae bloom, Ulva lactuca (sea lettuce), that washed up onto the Oxford beach along the Tred Avon River.
Ulva bloom on the Tred Avon River
Macroalgae bloom, Ulva lactuca (sea lettuce), that washed up onto the Oxford beach along the Tred Avon River.
Ulva bloom on the Tred Avon River
Macroalgae bloom, Ulva lactuca (sea lettuce), that washed up onto the Oxford beach along the Tred Avon River.
Ulva bloom on the Tred Avon River
Macroalgae bloom that washed up onto the Oxford beach along the Tred Avon River.
Ulva bloom on the Tred Avon River
Illustration of Laurencia obtusa
Laurencia obtusa
Diagram showing the effect of increasing nutrient loading on aquatic primary producers.
Effect of nutrients of aquatic primary producers
Helicopter view of dense Ulva at Bullock's Point, Providence River, Narragansett Bay RI
Dense Ulva beds Bullock Point, Providence River…
Helicopter view of a dense green macroalgal bloom (either Ulva or Enteromorpha) in Buttonwoods Cove, Warwick, RI. This area receives significant failing septic system nutrients and is poorly flushed.
Macroalgal bloom in Buttonwoods, Warwick, RI
Giant kelp (Macrocystic pyrifera) underwater in Monterey Bay, California
Giant kelp
Giant kelp (Macrocystis pyrifera) washed up on a beach at Pacific Grove, California
Giant kelp
Giant kelp (Macrocystis pyrifera) washed up on a beach at Pacific Grove, California
Giant kelp
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