3-7 September 2018
Audimax | Kiel University
Europe/Berlin timezone

Interactive Effects of Temperature and Low Oxygen on the Vertical Distribution of Copepod Eggs and Nauplii in Coastal Seas

3 Sep 2018, 15:45
15m
Audimax-Hörsaal-C (Kiel University)

Audimax-Hörsaal-C

Kiel University

166
Oral 02 Ecosystem Impacts 02 Ecosystem Impacts

Speaker

Prof. Michael Roman (University of Maryland Center for Environmental Science)

Description

As a result of cultural eutrophication, bottom water hypoxia has been increasing globally in estuarine and shelf waters. Coastal hypoxia has the potential to adversely impact pelagic zooplankton communities by increasing the mortality of copepod eggs which can sink into low oxygen bottom waters. Using depth-specific sampling we examined the vertical distribution of copepod eggs and nauplii over different seasons in a coastal plain estuary of the eastern United States, the Chesapeake Bay. We compare the vertical distribution of copepod eggs and nauplii to the results of a mechanistic model which takes into account the sinking rate of copepod eggs; the temperature-driven hatching rate of copepod eggs in the water column; and the effects of low oxygen on egg hatching.

Affiliation University of Maryland Center for Environmental Science
Position Professor
Are you a SFB 754 / Future Ocean member? No
Email Address roman@umces.edu

Primary authors

Prof. Michael Roman (University of Maryland Center for Environmental Science) Prof. Jamie Pierson (University of Maryland Center for Environmental Science) Ms Catherine Fitzgerald (University of Maryland Center for Environmental Science)

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