but adding it becomes more critical when dealing with certain groups of high concentration marine life. Aquariums with a high density of macroalgae, coralline algae, crustaceans or soft corals have a ...

the reef flat aquarium is a great place to start. In common with many surgeonfish, the Powder blue surgeonfish will fiercely defend areas of macroalgae from competitors or indeed any fish it perceives ...

Primary producers are limited to a thin algal film, with no macroalgae present shallower than 2 m water depth. This intertidal biodiversity has remained extremely low since it was first surveyed 70 ...

Coral reefs are marine structures created by calcifying coral animals and their algal symbionts. Coral reef ecosystems are generally high in biodiversity, most often found in shallow tropical seas ...

Drinking water is not yet impacted, but officials are taking urgent measures. Drought and sea level rise have caused salt water from the Atlantic Ocean to creep into the Delaware River Basin, a ...

The salt front or salt line is where saltwater from the ocean and freshwater meet in the river. That boundary is typically somewhere around Wilmington, Delaware, but the recent drought in the ...

The salt front or salt line is where saltwater from the ocean and freshwater meet in the river. That boundary is typically somewhere around Wilmington, Delaware, but the recent drought in the ...

The US has reportedly acknowledged for the first time the existence of a task force named after Philippine name of China's Ren'ai Jiao (also known as Ren'ai Reef), which is backing Philippine ...

When the Audubon Aquarium asked if I would like to try my hand at mermaiding, there was only one answer: Absolutely. I clearly had no idea what would be involved. Perhaps there were elements of ...

Start your day with the Philly news you need and the stories you want all in one easy-to-read newsletter Hi, Philly. We’re finally going to see some rain starting Wednesday night. It won’t push us out ...

“I do know Okaloosa County has purchased this vessel for the use of the world’s largest artificial reef.” Originally designed as a top-secret, convertible troop carrier during the Cold War ...

Parched farms, wildfires, and browned vistas are highly visible signs of this fall’s drought. Less visible: Water flow in the Delaware River, which dropped to 60% at Trenton, the regional agency that ...