Salt marsh biogeochemistry—an overview

C Tobias, SC Neubauer - Coastal wetlands, 2019 - Elsevier
In this chapter, we present an overview of the processing and cycling of the major
biologically relevant elements (C, N, P, S, and Fe) in salt marshes. In keeping with the …

Salt marsh sediment bacteria: their distribution and response to external nutrient inputs

JL Bowen, BC Crump, LA Deegan… - The ISME …, 2009 - academic.oup.com
A primary focus among microbial ecologists in recent years has been to understand controls
on the distribution of microorganisms in various habitats. Much less attention has been paid …

Salt marsh ecosystem biogeochemical responses to nutrient enrichment: a paired 15N tracer study

DC Drake, BJ Peterson, KA Galván, LA Deegan… - Ecology, 2009 - Wiley Online Library
We compared processing and fate of dissolved NO3− in two New England salt marsh
ecosystems, one receiving natural flood tide concentrations of∼ 1–4 μmol NO3−/L and the …

Ecological impacts of macroalgal blooms on salt marsh communities

C Newton, C Thornber - Estuaries and Coasts, 2013 - Springer
Despite excessive growth of macroalgae in estuarine systems, little research has been done
to examine the impacts of increased algal biomass that drifts into nearby salt marshes and …

Nitrogen uptake by the shoots of smooth cordgrass Spartina alterniflora

TJ Mozdzer, M Kirwan, KJ McGlathery… - Marine Ecology Progress …, 2011 - int-res.com
The smooth cordgrass Spartina alterniflora is the foundation species in intertidal salt
marshes of the North American Atlantic coast. Depending on its elevation within the marsh …

Increased supply of ambient nitrogen has minimal effect on salt marsh bacterial production

JL Bowen, BC Crump, LA Deegan… - Limnology and …, 2009 - Wiley Online Library
We examined the role of chronic low‐level nutrient enrichment on the productivity of
heterotrophic marsh bacteria via a marsh fertilization experiment in which we mimicked the …

Do Spur-Throated Grasshoppers, Melanoplus spp. (Orthoptera: Acrididae), Exert Top-Down Control on Smooth Cordgrass Spartina alterniflora in Northern New …

DS Johnson, BJ Jessen - Estuaries and Coasts, 2008 - Springer
Recently, strong top-down (consumer) control of cordgrass (Spartina alterniflora) has been
demonstrated. Here, we manipulated the densities of cordgrass consumers, acridid …

Nitrogen pools of macrophyte species in a coastal lagoon salt marsh: implications for seasonal storage and dispersal

T Elsey-Quirk, DM Seliskar, JL Gallagher - Estuaries and Coasts, 2011 - Springer
High nitrogen (N) loading rates received by coastal bays can have deleterious effects on
aquatic ecosystems. Salt marshes can intercept land-based N through seasonal plant …

Glutamine synthetase partitioning in native and introduced salt marsh grasses

ELG Hazelton, TJ Knight, TA Theodose - Marine Ecology Progress …, 2010 - int-res.com
Plants with higher glutamine synthetase (GS) activity in photosynthetic tissues than below-
ground structures (high leaf: root [L: R] GS activity) show growth advantages over plants with …

Spartina alterniflora δ15N as an indicator of estuarine nitrogen load and sources in Cape Cod estuaries

EL Kinney, I Valiela - Marine pollution bulletin, 2018 - Elsevier
Abstract δ 15 N values of coastal biota have been used as indicators of land-derived N-
loads and sources to estuarine systems and should respond predictably to differences in …