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trophic levels

This tag is associated with 3 posts

The Blob: The movie monster attacking fish

The Pacific marine heatwave of 2013-2016, called the Blob, caused ocean temperatures in Alaska to spike, harming wildlife from whales to salmon. A new study shows that even if the animals could take the heat, they may have been starving. Kristin HuizengaI am a PhD student in Biological Oceanography at the University of Rhode Island […]

Penguins can rock their bodies without eating high trophic level prey

Prey of a higher trophic level does not necessarily translate to a higher body mass in rockhopper penguins. Read more to find out why! Megan ChenI graduated with a Masters of Coastal & Marine Management from the University of Akureyri in Iceland, and am currently working at the Smithsonian Institution’s National Museum of Natural History […]

Using nitrogen isotopes to start from the bottom…of the marine food web!

Amino acids, the building blocks of proteins, are an important nitrogen source in the ocean and the δ15N of amino acids is helpful in figuring out where you stand on the food web. The amino acid δ15N of the bacteria Vibrio harveyi changed depending on the food (C:N ratio and type of nitrogen) used to […]

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