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Version 3.18
Publication Type J
Authors Janousek, CN; Buffington, KJ; Thorne, KM; Guntenspergen, GR; Takekawa, JY; Dugger, BD
Author Full Name Janousek, Christopher N.; Buffington, Kevin J.; Thorne, Karen M.; Guntenspergen, Glenn R.; Takekawa, John Y.; Dugger, Bruce D.
Title Potential effects of sea-level rise on plant productivity: species-specific responses in northeast Pacific tidal marshes
Language English
Document Type Article
Author Keywords Marsh organs; Plant biomass; Root-to-shoot ratio; Tidal wetlands; Zonation
Abstract Coastal wetland plants are adapted to varying degrees of inundation. However, functional relationships between inundation and productivity are poorly characterized for most species. Determining species-specific tolerances to inundation is necessary to evaluate sea-level rise (SLR) effects on future marsh plant community composition, quantify organic matter inputs to marsh accretion, and inform predictive modeling of tidal wetland persistence. In 2 macrotidal estuaries in the northeast Pacific we grew 5 common species in experimental mesocosms across a gradient of tidal elevations to assess effects on growth. We also tested whether species abundance distributions along elevation gradients in adjacent marshes matched productivity profiles in the mesocosms. We found parabolic relationships between inundation and total plant biomass and shoot counts in Spartina foliosa and Bolboschoenus maritimus in California, USA, and in Carex lyngbyei in Oregon, USA, with maximum total plant biomass occurring at 38, 28, and 15% time submerged, respectively. However, biomass of Salicornia pacifica and Juncus balticus declined monotonically with increasing inundation. Inundation effects on the ratio of belowground to aboveground biomass varied inconsistently among species. In comparisons of field distributions with mesocosm results, B. maritimus, C. lyngbyei and J. balticus were abundant in marshes at or above elevations corresponding with their maximum productivity; however, S. foliosa and S. pacifica were frequently abundant at lower elevations corresponding with sub-optimal productivity. Our findings show species-level differences in how marsh plant growth may respond to future SLR and highlight the sensitivity of high marsh species such as S. pacifica and J. balticus to increases in flooding.
Author Address [Janousek, Christopher N.; Buffington, Kevin J.; Dugger, Bruce D.] Oregon State Univ, Dept Fisheries & Wildlife, 104 Nash Hall, Corvallis, OR 97331 USA; [Janousek, Christopher N.; Buffington, Kevin J.; Thorne, Karen M.; Takekawa, John Y.] US Geol Survey, Western Ecol Res Ctr, Vallejo, CA 94592 USA; [Guntenspergen, Glenn R.] US Geol Survey, Patuxent Wildlife Res Ctr, Laurel, MD 20708 USA; [Takekawa, John Y.] Natl Audubon Soc, Div Sci, 220 Montgomery St, San Francisco, CA 94104 USA
Reprint Address Janousek, CN (reprint author), Oregon State Univ, Dept Fisheries & Wildlife, 104 Nash Hall, Corvallis, OR 97331 USA.; Janousek, CN (reprint author), US Geol Survey, Western Ecol Res Ctr, Vallejo, CA 94592 USA.
E-mail Address janousec@onid.oregonstate.edu
Funding Agency and Grant Number Southwest and Northwest Climate Science Center (SWCSC) of the US Department of the Interior; Southwest and Northwest Climate Science Center (NWCSC) of the US Department of the Interior; DOI On The Landscape program; USGS Climate and Land-Use Research and Development Program; USGS Western Ecological Research Center in partnership; Oregon State University; NWCSC graduate fellowship
Funding Text The project described in this publication was supported by the Southwest and Northwest Climate Science Centers (SWCSC and NWCSC) of the US Department of the Interior, the DOI On The Landscape program, the USGS Climate and Land-Use Research and Development Program, the USGS Western Ecological Research Center in partnership with Oregon State University and a NWCSC graduate fellowship to K.J.B. The US EPA loaned conductivity loggers used in this study and the US Fish and Wildlife Service and California Department of Fish and Wildlife approved site access. We thank W. Chan, J. Converse, S. de la Cruz, L. Curry, C. Davis, J. Day, J. Donald, T. Endicott, M. Hammett, M. Hill, L. Hollander, K. Lovett, B. McKay, C. Norton, K. Powelson, Y. Sanchez, E. Schultz, A. Stargel, D. Steele, S. Stephensen and especially T. Edgarian for research assistance. K. Byrd, J. Yee and anonymous reviewers kindly provided comments on the manuscript. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the USA Government. The findings and conclusions in this article are those of the authors and do not necessarily represent the views of the NWCSC or SWCSC. The United States Government is authorized to reproduce and distribute reprints of this article for governmental purposes.
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Cited Reference Count 56
Times Cited 2
Total Times Cited Count (WoS, BCI, and CSCD) 2
ISSN 0171-8630
29-Character Source Abbreviation MAR ECOL PROG SER
ISO Source Abbreviation Mar. Ecol.-Prog. Ser.
Publication Date APR 21
Year Published 2016
Volume 548
Beginning Page 111
Ending Page 125
Digital Object Identifier (DOI) 10.3354/meps11683
Page Count 15
Web of Science Category Ecology; Marine & Freshwater Biology; Oceanography
Subject Category Environmental Sciences & Ecology; Marine & Freshwater Biology; Oceanography
Document Delivery Number DM5GF
Unique Article Identifier WOS:000376375000008
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