Impacts Of Elevated Pco2 On Estuarine Phytoplankton Biomass And Community Structure In Two Biogeochemically Distinct Systems In Louisiana, Usa

Mallozzi, Amy J.; Errera, Reagan M.; Bargu, Sibel; Herrmann, Achim D.

doi:10.1016/j.jembe.2018.09.008

Advanced Search

Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.

Search our Collections & Repository

Advanced Search
Custom Query

All these words:

For very narrow results

This exact word or phrase:

When looking for a specific result

Any of these words:

Best used for discovery & interchangable words

None of these words:

Recommended to be used in conjunction with other fields

Language:

Dates

Publication Date Range:

to

Document Data

Title:

Document Type:

Library

Collection:

Series:

People

Author:

Clear All

Query Builder

Query box

Clear All

For additional assistance using the Custom Query please check out our Help Page

i

Impacts Of Elevated Pco2 On Estuarine Phytoplankton Biomass And Community Structure In Two Biogeochemically Distinct Systems In Louisiana, Usa

2019
By Mallozzi, Amy J. ; Errera, Reagan M. ; Bargu, Sibel ; ...
Source: Journal of Experimental Marine Biology and Ecology 511: 28-39

[PDF-2.42 MB]

Details You May Also Like

Details:

Journal Title:

Journal of Experimental Marine Biology and Ecology
Personal Author:

Mallozzi, Amy J. ; Errera, Reagan M. ; Bargu, Sibel ; Herrmann, Achim D.

Mallozzi, Amy J. ; Errera, Reagan M. ; Bargu, Sibel ; Herrmann, Achim D. Less -
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

Sea Grant ; OAR (Oceanic and Atmospheric Research) Less -
Sea Grant Program:

LSU (Louisiana Sea Grant)
Description:

Ocean acidification has the potential to impact the ocean's biogeochemical cycles and food web dynamics, with phytoplankton in the distinctive position to profoundly influence both, as individual phytoplankton species play unique roles in energy flow and element cycling. Previous studies have focused on short-term exposure of monocultures to low pH, but do not reflect the competitive dynamics within natural phytoplankton communities. This study explores the use of experimental microcosms to expose phytoplankton assemblages to elevated pCO2 for an extended period of time. Phytoplankton communities were collected from two biogeochemically distinct Louisiana estuaries, Caillou Lake (CL) and Barataria Bay (BB), and cultured in lab for 16 weeks while bubbling CO2 enriched air corresponding to current (400 ppm) and future (1000 ppm) pCO2 levels. Results suggest that elevated pCO2 does not implicitly catalyze an increase in phytoplankton biomass (chlorophyll a). While pigment data showcased a parabolic trend and microscopic observations revealed a loss in species diversity within each major taxonomic class. By the end of the 16-week incubation, 10 out of the 12 cultures had a community structure analogous to that of the startup phytoplankton assemblage collected from the field. Natural phytoplankton assemblages exposed to elevated pCO2 experienced multiple transitional states over the course of a 16-week incubation, indicating that there is no deterministic successional pathway dictated by coastal acidification but community adaptation was observed.
Keywords:

[+]

Carbonate Chemistry CHEMTAX Coastal Acidification Long-term Incubation Ocean Acidification Phytoplankton
Source:

Journal of Experimental Marine Biology and Ecology 511: 28-39
DOI:

https://doi.org/10.1016/j.jembe.2018.09.008
Document Type:

Journal Article
Funding:

Grant no. NA14OAR4170099
Rights Information:

Accepted Manuscript
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:b236d19ec0aa7686fb830ad23c576e3366aaf0f922277c9ea0d95caca5baa805
Download URL:

https://repository.library.noaa.gov/view/noaa/33099/noaa_33099_DS1.pdf
File Type:

No Additional Files

More +

Impacts Of Elevated Pco2 On Estuarine Phytoplankton Biomass And Community Structure In Two Biogeochemically Distinct Systems In Louisiana, Usa

Details:

Supporting Files

You May Also Like