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Authors Maricle, BR; Maricle, KL
Author Full Name Maricle, Brian R.; Maricle, Keri L.
Title Photosynthesis, stomatal responses, and water potential in three species in an inland salt marsh in Kansas, USA
Source FLORA
Language English
Document Type Article
Author Keywords Bolboschoenus maritimus; Distichlis spicata; Salinity; Spartina pectinata; Stomatal conductance, C-3 sedges; C-4 grasses
Keywords Plus CARBON-ISOTOPE DISCRIMINATION; C-4 PHOTOSYNTHESIS; DISTICHLIS-SPICATA; CHLOROPHYLL FLUORESCENCE; ANDROPOGON-GERARDII; BIOTIC INTERACTIONS; STRESS TOLERANCE; SALINITY STRESS; SPARTINA-PATENS; GROWTH
Abstract Interspecific variation of photosynthesis and water potential in inland salt marsh species has been largely unexplored. In this study, photosynthesis and water potential were measured in individuals of Spartina pectinata Link, Distichlis spicata (L.) Greene, and Bolboschoenus maritimus (L.) Palla in an inland salt marsh, possibly the first field measures of photosynthesis in inland salt marsh plants in North America. It was hypothesized that the C-4 grasses S. pectinata and D. spicata would have a greater tolerance to salinity compared to the C-3 sedge B. maritimus by stomata being less responsive to changing water status. During the study, B. maritimus was most sensitive to dry conditions, which was manifested as low photosynthesis, stomatal conductance, and water potential. Stomatal closure occurred in all species under dry conditions, but particularly in B. maritimus. Under dry conditions, S. pectinata maintained higher photosynthesis compared to other species. Water potential was lower in D. spicata compared to the other species. There were significant correlations between plant water potential and photosynthesis and water potential and stomatal conductance in B. maritimus, but not in S. pectinata or D. spicata. This is evidence of sensitivity of B. maritimus to dry conditions and tolerance in S. pectinata and D. spicata, largely due to stomatal responses.
Author Address [Maricle, Brian R.; Maricle, Keri L.] Ft Hays State Univ, Dept Biol Sci, 600 Pk St, Hays, KS 67601 USA
Reprint Address Maricle, BR (corresponding author), Ft Hays State Univ, Dept Biol Sci, 600 Pk St, Hays, KS 67601 USA.
E-mail Address brmaricle@fhsu.edu
Funding Agency and Grant Number Society of Wetland Scientists Student Research Grant; Fort Hays State University Undergraduate Research Experience Program; Kansas Academy of Science Undergraduate Research Grant; the Li-Cor LEEF Program
Funding Text This work was supported by a Society of Wetland Scientists Student Research Grant, the Fort Hays State University Undergraduate Research Experience Program, a Kansas Academy of Science Undergraduate Research Grant, and the Li-Cor LEEF Program. The authors thank the Staff at Quivira National Wildlife Refuge for a sampling permit and the Fort Hays State University Department of Biological Sciences for use of facilities and equipment.
Times Cited 1
Total Times Cited Count (WoS, BCI, and CSCD) 2
Publisher ELSEVIER GMBH
Publisher City MUNICH
Publisher Address HACKERBRUCKE 6, 80335 MUNICH, GERMANY
ISSN 0367-2530
29-Character Source Abbreviation FLORA
ISO Source Abbreviation Flora
Publication Date JUL
Year Published 2018
Volume 244
Beginning Page 1
Ending Page 7
Digital Object Identifier (DOI) 10.1016/j.flora.2018.05.001
Page Count 7
Web of Science Category Plant Sciences; Ecology
Subject Category Plant Sciences; Environmental Sciences & Ecology
Document Delivery Number GL3BK
Unique Article Identifier WOS:000437001900001
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