Altered kelp (Laminariales) phlorotannins and growth under elevated carbon dioxide and ultraviolet-B treatments can influence associated intertidal food webs

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

Two species of brown kelp responded differently to being grown for 55 days under ocean acidification conditions. One grew more, and the other grew less. There were negative indirect effects on black turban snails that fed on the kelp. (Laboratory study)

Effects of elevated temperature and carbon dioxide on the growth and survival of larvae and juveniles of three species of northwest Atlantic bivalves

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

Ocean acidification conditions and warmer temperatures reduced the survival, development, growth, and lipid synthesis of hard clam and bay scallop larvae. During the juvenile life stages, ocean acidification negatively affected juvenile eastern oysters and bay scallops, but not hard clams. Larvae were substantially more vulnerable to ocean acidication than juveniles ...

Reduced early life growth and survival in a fish in direct response to increased carbon dioxide

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

Exposure of early life stages of a common estuarine fish (inland silverside) to ocean acidification conditions expected in the world’s oceans later this century reduced survival by 74 percent and growth by 18 percent. The egg stage was significantly more vulnerable than the post-hatch larval stage. These findings challenge the ...

Calcifying invertebrates succeed in a naturally CO2-rich coastal habitat but are threatened by high levels of future acidification

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

Blue mussels from the Kiel Fjord (Baltic Sea), where seawater pH tends to be low, were able to maintain growth rates when exposed to ocean acidification conditions (pH 7.7). in addition, juvenile mussels in the fjord settle mostly in summer when pH is lowest. The findings suggest that mussels may ...

Food availability outweighs ocean acidification effects in juvenile Mytilus edulis: Laboratory and field experiments

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

Blue mussels grew and calcified 7 times faster in the Kiel Fjord (Baltic Sea), where low pH (ocean acidification) conditions prevailed, than at an outer fjord site where pH levels were higher In addition, the mussels were able to outcompete barnacles at the inner fjord, low pH site. Thus, blue ...

Moderate seawater acidification does not elicit long-term metabolic depression in the blue mussel Mytilus edulis

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

Shell growth of blue mussels from the Baltic Sea decreased under ocean acidification conditions. Data suggest that the reduced shell growth under severe acidification did not result from metabolic depression but from increased cellular energy demand and nitrogen loss. (Laboratory study)

Combined effects of ocean acidification and solar UV radiation on photosynthesis, growth, pigmentation, and calcification of the coralline alga Corallina sessilis (Rhodophyta)

  • Posted on: Mon, 06/13/2016 - 05:56
  • By: Anonymous

When a coralline alga was exposed to both ocean acidification and solar UV radiation, its growth, photosynthesis, and calcification rates were greatly reduced, compared to when it was exposed only to solar UV radiation. The calcified layer of the alga appeared to provide protection from UV. The results imply that ...

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