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NCCOS Investigates Natural Control of HABs

NCCOS sponsored research at the University of Delaware is testing the capability of a naturally occurring bacteria Shewanella to chemically control or mitigate harmful algal blooms (HABs). Bacteria are thought to regulate algal abundance in the environment, and several species of algicidal (algae-killing) bacteria were evaluated in laboratory experiments. However, few algicidal compounds produced by bacteria have […]

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NCCOS Delivers Hard Truths on Hardened Shorelines in the Mid-Atlantic

NCCOS-sponsored researchers have found that hardened shorelines have negative effects on fish; invertebrates, such as oysters and crabs; and submerged aquatic vegetation. Shoreline hardening is an attempt to stabilize coastal land and protect residential and commercial infrastructure along the coast by building structures, like seawalls, to hold back the sea and prevent the loss of sediment. […]

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NCCOS Scientists Attend ‘Climate Adaptation for Coastal Communities’ Course

This summer, a small group of NCCOS scientists completed an interactive training course intended to provide participants with the necessary skills to address climate adaptation planning within their local community. The course, developed by NOAA’s Office for Coastal Management and local partners, included discussions on climate change trends and impacts, how to scope and conduct […]

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Prestigious Toxins Conference Features NCCOS Science

The 2015 Mycotoxins & Phycotoxins Conference, held June 14-19, 2015 at Stonehill College, Easton, Maine highlighted the latest research on prevention and mitigation of harmful algal blooms by a number of NCCOS sponsored scientists. The 2015 conference program included scientists funded by NCCOS through the Prevention, Control, and Mitigation of Harmful Algal Blooms (PCMHAB) Program: […]

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Science Informs Vote to Protect Mid-Atlantic Deep-Sea Corals

On June 10, NCCOS’s cross-NOAA partnerships and investment in carrying out spatial analyses of deep-sea coral ecosystems informed a near-unanimous vote by the Mid-Atlantic Fishery Management Council (MAFMC) to protect more than 38,000 square miles of seafloor, stretching from New York to Virginia, from bottom fishing activities. NCCOS played a lead role producing statistical models […]

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Oceanic Continental Margin Dead Zones Emerge as Threats to Coastal Waters

Declines in oxygen levels of coastal waters have accelerated in recent decades creating “dead zones” not only in more publicized nearshore areas but in open ocean offshore regions of the continental shelves and slopes. Once treated as separate phenomena and distinct fields of study, scientists now see offshore and coastal hypoxia as interconnected, resulting in […]

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Model Allows Scallop Industry to Plan for Impacts of Climate Change

NCCOS-sponsored researchers have developed a user-friendly computer program to help manage the U.S. commercial Atlantic sea scallop fishery, which is threatened by progressively higher temperatures and ocean acidification. The Integrated Assessment Model (IAM) concurrently simulates ocean conditions related to temperature and ocean acidification, sea scallop population dynamics, and economic impacts on the scallop fishery. In the […]

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Low Oxygen Conditions Increase Parasite Infections in Oysters

A study funded in part by NCCOS has found that diel-cycling hypoxia—daily cycling of high to very low oxygen levels—in shallow coastal waters increases parasite infections in eastern oysters (Crassostrea virginica). The project team tested and confirmed that diel-cycling hypoxia increases eastern oyster susceptibility to Perkinsus marinus infection, most likely by reducing the oxygen carrying capacity […]

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