Water quality trends in Texas estuaries.

Abstract:

:Coastal watersheds in Texas have experienced significant human population growth over the past several decades, yet there have been no comprehensive assessments of water quality trends in Texas estuaries. Here, analysis of historical estuarine water quality data indicates regional "hot spots" of change. Galveston Bay and Oso Bay, which have highly urbanized watersheds, currently exhibit symptoms of eutrophication. Symptoms of eutrophication were also found in the Baffin Bay-Upper Laguna Madre complex, which has a sparsely populated but agriculturally-intensive watershed. Increasing salinity was observed in estuaries of the central Texas coast and are attributed to long-term decreases in freshwater inflow. Another artifact of decreasing freshwater inflow is a reduction in the delivery of carbonate minerals to estuaries, which manifests as decreases in pH. With findings from this study, targeted studies can now be directed at the estuaries that are experiencing water quality degradation in order to guide future management efforts.

journal_name

Mar Pollut Bull

authors

Bugica K,Sterba-Boatwright B,Wetz MS

doi

10.1016/j.marpolbul.2020.110903

subject

Has Abstract

pub_date

2020-03-01 00:00:00

pages

110903

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(20)30021-7

journal_volume

152

pub_type

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