Filters: Tags: Anoxia (X) > Extensions: Citation (X)
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Impounded tidal conditions often compromise coastal marsh restoration goals, through vegetation loss and other biogeochemical feedbacks. To determine if episodic marsh impoundments could be partially responsible for the observed cordgrass (Spartina foliosa) dieback at Crissy Field, Golden Gate National Recreation Area, we examined sulfur chemistry and plant stress along transects between and during tidal inlet closure events from 2007 to 2008. During closures, porewater sulfide (PW S2−) concentrations did not respond consistently among sites, nor did they increase to levels likely to cause stress damage to cordgrass (>1 mM). However, sediment solid-phase total reduced sulfur (TRS) concentrations did respond strongly...
Categories: Publication;
Types: Citation;
Tags: Methylmercury,
anoxia,
ethanol,
flooding,
rhizosphere
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