Tags » Zooplankton

Changes in pteropod distributions and shell dissolution across a frontal system in the California Current System

We tested the sensitivity of the vertical distributions and shell dissolution patterns of thecosome pteropods to spatial gradients associated with an eddy-associated front in the southern California Current System. 144 more words

Science

Julia West: This Is What Drives Us, April 1, 2015

NOAA Teacher at Sea
Julia West
Aboard NOAA ship Gordon Gunter
March 17 – April 2, 2015

Mission:  Winter Plankton Survey
Geographic area of cruise:  2,123 more words

NOAA Teacher At Sea

Julia West: Science Is About the Details, March 29, 2015

NOAA Teacher at Sea
Julia West
Aboard NOAA ship Gordon Gunter
March 17 – April 2, 2015

Mission: Winter Plankton Survey
Geographic area of cruise:  1,830 more words

NOAA Teacher At Sea

Centropages typicus (Crustacea, Copepoda) reacts to volatile compounds produced by planktonic algae

Volatile organic compounds (VOCs) may play the role of infochemicals and trigger chemotaxis and ecologically relevant responses in freshwater and marine invertebrates. Aquatic grazers use these signals as chemical cues to trace the presence of their food or to detect their predators. 260 more words

Science

Assessing the state of pteropod shells and ocean acidification in Washington marine waters

The relationship between pteropod shell dissolution and waters undersaturated with aragonite has been well documented (Bednarsek et al 2012). Low aragonite saturation levels decrease the availability of carbonate ions in the water column, causing aragonite to dissolve out of pteropod shell structures. 195 more words

Science

What Is This?

The scientists behind Plankton Portal recently posted this image on their Twitter account with the message “We’re stumped as to what this can be. It’s ~2 cm in length. 48 more words

Citizen Science

February 27 - In situ evidence of zooplankton migration in response to solar radiation

While it has been studied that copepods can sense and avoid harmful UV radiation through both horizontal and vertical migration, this study is one of the first to look at the short term daily response of zooplankton by radiation changes under sunny and cloudy conditions.   186 more words

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