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Authors Trilla, GG; Borro, MM; Morandeira, NS; Schivo, F; Kandus, P; Marcovecchio, J
Author Full Name Gonzalez Trilla, Gabriela; Marta Borro, Maria; Soledad Morandeira, Natalia; Schivo, Facundo; Kandus, Patricia; Marcovecchio, Jorge
Title Allometric Scaling of Dry Weight and Leaf Area for Spartina densiflora and Spartina alterniflora in Two Southwest Atlantic Saltmarshes
Source JOURNAL OF COASTAL RESEARCH
Language English
Document Type Article
Author Keywords Allometry; biomass estimation; Spartina spp. marsh; Mar Chiquita; Bahia Blanca; Argentina; tiller length
Keywords Plus AERIAL PRIMARY PRODUCTION; BELOW-GROUND BIOMASS; PRIMARY PRODUCTIVITY; POPULATION-DYNAMICS; MAR CHIQUITA; CORDGRASS; VEGETATION; ESTUARY; BRONG; VARIABILITY
Abstract Southwest Atlantic saltmarshes are characterized by the presence of Spartina alterniflora in the lower intertidal zones and Spartina densiflora in the middle to high tidal elevations. Because of its dominance and productivity and its central role in carbon and energy fluxes, Spartina spp. biomass and primary production have been extensively studied by different techniques. Since nondestructive techniques require relationships between tiller biomass and morphometric parameters, in this work we established allometric relations among biomass, leaf area, and size, in populations of S. densiflora and S. alterniflora from Mar Chiquita and Bahia Blanca, Argentina. We collected 743 standing tillers of S. densiflora and 663 of S. alterniflora from different dates, conditions (green, flowered, and dead), and sources (high and low marsh). We obtained strong correlations between all the morphometric parameters. Leaf area and leaf length were strongly related (R-2 = 0.84 for S. densiflora and 0.91 for S. alterniflora). Leaf area per tiller and tiller biomass strongly regressed on tiller height (R-2 = 0.97 and 0.91 for S. densiflora and 0.88 and 0.90 for S. alterniflora, respectively) thereby facilitating estimations of these parameters. The predictive power of the biomass vs. tiller height equations was satisfactory when applied for different data types (date, condition, and source), suggesting that the models can be widely used for estimating the biomass of a tiller from its length. Moreover, the predictive power of the equations was high even for standing dead tillers, allowing us to use the same equation along the tiller's span life and facilitating detritus production estimations. The allometric relations established in this study may be used to estimate Spartina biomass and leaf area at the study sites, with strong implications in the monitoring and assessment of saltmarshes.
Author Address [Gonzalez Trilla, Gabriela; Marta Borro, Maria; Soledad Morandeira, Natalia; Schivo, Facundo; Kandus, Patricia] Univ Nacl San Martin, Lab Ecol Teledetecc & Ecoinformat, Inst Invest & Ingn Ambiental 3iA, RA-1650 Buenos Aires, DF, Argentina; [Marcovecchio, Jorge] CCT Bahia Blanca, CONICET, IADO, RA-8000 Bahia Blanca, Buenos Aires, Argentina
Reprint Address Trilla, GG (corresponding author), Univ Nacl San Martin, Lab Ecol Teledetecc & Ecoinformat, Inst Invest & Ingn Ambiental 3iA, RA-1650 Buenos Aires, DF, Argentina.
E-mail Address gabrielatrilla@hotmail.com
ResearcherID Number Marcovecchio, Jorge/AAQ-3365-2020
ORCID Number Morandeira, Natalia/0000-0003-3674-2981; Kandus, Patricia/0000-0001-6660-2977; Schivo, Facundo/0000-0002-2074-4942; Gonzalez Trilla, Gabriela/0000-0003-4112-5013
Funding Agency and Grant Number ANPCyT (PICT)ANPCyT [0945/06]; Neotropical Grassland Conservancy (NGC)
Funding Text This work was financed by the ANPCyT (PICT No. 0945/06) and the Neotropical Grassland Conservancy (NGC) through a Student Grant.
Times Cited 13
Total Times Cited Count (WoS, BCI, and CSCD) 13
Publisher COASTAL EDUCATION & RESEARCH FOUNDATION
Publisher City COCONUT CREEK
Publisher Address 5130 NW 54TH STREET, COCONUT CREEK, FL 33073 USA
ISSN 0749-0208
29-Character Source Abbreviation J COASTAL RES
ISO Source Abbreviation J. Coast. Res.
Publication Date NOV
Year Published 2013
Volume 29
Issue 6
Beginning Page 1373
Ending Page 1381
Digital Object Identifier (DOI) 10.2112/JCOASTRES-D-11-00201.1
Page Count 9
Web of Science Category Environmental Sciences; Geography, Physical; Geosciences, Multidisciplinary
Subject Category Environmental Sciences & Ecology; Physical Geography; Geology
Document Delivery Number 260AC
Unique Article Identifier WOS:000327566400013
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