To fix the reef we first need to fix the land – but where do we start?

photo: To fix the reef we first need to fix the land – but where do we start?

Photo: The Great Barrier Reef, Northern Queensland, Australia

Rivers deliver sediment from land to the ocean. This sediment contains nutrients which can feed microscopic algae in water. But, if there is too much sediment and nutrients, delivered by floods from land-based erosion, algal blooms can occur that have negative effects on the Great Barrier Reef.

The challenge is that sediment comes from many different locations and we need to know … [more…]

Sunscreen chemicals in water may harm fish embryos

photo: sunset over the ocean. Sunscreen chemicals in water may harm fish embryos

Photo: CC0 Public Domain

A painful sunburn can ruin a vacation, and too much sun can also lead to more serious problems like premature skin aging and melanoma. Therefore, manufacturers have added ultraviolet (UV) filters to many personal care products, including sunscreens, moisturizers and makeup.

Scientists have detected these substances in the environment, but most studies have concluded that individual sunscreen chemicals are not present at high-enough levels to harm … [more…]

Oyster Reefs of the Past Hold Lessons for Future Coastal Restoration

Oyster Reefs of the Past Hold Lessons for Future Coastal Restoration

This is part 2 of a two-part series concerning Richard Condrey and Natalie Peyronnin’s recent paper, “ Using Louisiana’s coastal history to innovate its coastal future,” published in Shore & Beach, Fall 2017. See part one here.

It’s hard to imagine the lush and expansive complex of marshes and oyster reefs that early explorers encountered in south Louisiana, as described in Dr. Condrey’s recent blog . It is equally

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Hawaiʻi Supreme Court Halts Commercial Aquarium Fishing

Hawaiʻi Supreme Court Halts Commercial Aquarium Fishing, Protecting Reefs and Native Hawaiians

Blue-lined butterflyfish are native to the Hawaiian Islands. Used by source article with permission.

Protections for Reefs and Native Hawaiians

Scuba diver Rene Umberger knows that the aquarium fishing industry is a deadly business. And not just for the fish. While out on a diving and snorkeling expedition in 2014 to document destructive fishing activities off the Kona Coast on the Big Island of Hawaiʻi, she was attacked by a

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The State of Coral in the Northwestern Hawaiian Islands

photo: NOAA research vessel Hi'ialakai

October 3, 2017 — The NOAA research vessel Hiialakai returned Saturday from a 25-day trip to the Northwestern Hawaiian Islands in Papahanaumokuakea Marine National Monument.

A team of scientists with the National Oceanic and Atmospheric Administration has returned from a month-long trip to Papahanaumokuakea Marine National Monument with reams of research on coral and fish populations. The new information is expected to help scientists and government managers build on their … [more…]