“Global issues of concern such as marine debris, ocean acidification and invasive species have the potential to degrade fragile sanctuary resources and habitats,” said Dan Howard, sanctuary superintendent. “This report provides a baseline for monitoring changes to sanctuary resources and will help us to better understand and respond to these emerging threats.”
Prepared by NOAA's Office of National Marine Sanctuaries, the peer-reviewed Cordell Bank National Marine Sanctuary Condition Report indicates that water quality in the sanctuary is generally good due to the sanctuary’s offshore location and distance from major urban population centers. Seafloor habitat quality was rated lower, primarily due to prior impacts from fishing gear that came into contact with the sanctuary’s rocky reef and soft sediment habitats.
The report notes that populations of rockfish, salmon, some seabird species, and leatherback sea turtles that use the sanctuary are depleted, but that fishery closures are helping to rebuild depleted fish stocks.
The report indicates that additional research is needed about contaminants and invasive species. While no maritime archaeological resources have been identified in the sanctuary, only 18 percent of the sanctuary seafloor has been mapped with high resolution tools that could be used to find sunken vessels.
The full sanctuary condition report is now available online. Similar reports are being developed for the other sites in the National Marine Sanctuary System.
Located 42 miles north of San Francisco, Cordell Bank National Marine Sanctuary is one of 14 marine protected areas managed by NOAA’s Office of National Marine Sanctuaries. Designated by Congress in 1989, the sanctuary’s productive waters are a destination feeding area for local and migratory marine life. Its unique rocky undersea thrives with invertebrates and fishes and is surrounded by the softer sediments of the continental shelf.
NOAA understands and predicts changes in the Earth's environment, from the depths of the ocean to the surface of the sun, and conserves and manages our coastal and marine resources.
David Hall | EurekAlert!
Further reports about: > Marine Sanctuary Condition Report > Marine science > NOAA > Sanctuaries > Sanctuary > Seafloor habitat > fish stock > invasive species > leatherback sea turtles > marine resources > sanctuary resources > sanctuary’s rocky reef > seabird species > soft sediment habitats > urban population
Bioinvasion on the rise
15.02.2017 | Universität Konstanz
Litter Levels in the Depths of the Arctic are On the Rise
10.02.2017 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
In the field of nanoscience, an international team of physicists with participants from Konstanz has achieved a breakthrough in understanding heat transport
Cells need to repair damaged DNA in our genes to prevent the development of cancer and other diseases. Our cells therefore activate and send “repair-proteins”...
The Fraunhofer IWS Dresden and Technische Universität Dresden inaugurated their jointly operated Center for Additive Manufacturing Dresden (AMCD) with a festive ceremony on February 7, 2017. Scientists from various disciplines perform research on materials, additive manufacturing processes and innovative technologies, which build up components in a layer by layer process. This technology opens up new horizons for component design and combinations of functions. For example during fabrication, electrical conductors and sensors are already able to be additively manufactured into components. They provide information about stress conditions of a product during operation.
The 3D-printing technology, or additive manufacturing as it is often called, has long made the step out of scientific research laboratories into industrial...
Nature does amazing things with limited design materials. Grass, for example, can support its own weight, resist strong wind loads, and recover after being...
Nanometer-scale magnetic perforated grids could create new possibilities for computing. Together with international colleagues, scientists from the Helmholtz Zentrum Dresden-Rossendorf (HZDR) have shown how a cobalt grid can be reliably programmed at room temperature. In addition they discovered that for every hole ("antidot") three magnetic states can be configured. The results have been published in the journal "Scientific Reports".
Physicist Dr. Rantej Bali from the HZDR, together with scientists from Singapore and Australia, designed a special grid structure in a thin layer of cobalt in...
13.02.2017 | Event News
10.02.2017 | Event News
09.02.2017 | Event News
20.02.2017 | Materials Sciences
20.02.2017 | Health and Medicine
20.02.2017 | Health and Medicine