Photosynthetic capacity and intrinsic water-use efficiency of Rhizophora mangle at its southernmost western Atlantic range
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| 024 | 7 | 0 | |a 10.1007/s11099-015-0119-0 |2 doi |
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| 245 | 0 | 0 | |a Photosynthetic capacity and intrinsic water-use efficiency of Rhizophora mangle at its southernmost western Atlantic range |h [Elektronische Daten] |c [M. Gomes Soares, M. Pereira Tognella, E. Cuevas, E. Medina] |
| 520 | 3 | |a The southernmost presence of Rhizophora mangle in the western Atlantic coast occurs in coastal wetlands between 27 and 28°S in the State of Santa Catarina, Brazil. We selected mangrove communities at the estuary of the River Tavares, Florianopolis, and the Sonho Beach, Palhosa, for measurement of photosynthetic performance and intrinsic water-use efficiency of R. mangle and coexisting individuals of Avicennia schaueriana and Laguncularia racemosa, during the spring season. We used gas-exchange techniques and isotopic signatures of C and N to estimate instantaneous water-use and carboxylation efficiency (CE), long-term water-use efficiency, and potential N limitation. Results showed that R. mangle had significantly lower photosynthetic rates but similar conductance values as the other two species resulting in lower intrinsic water use (WUEi) and CE. WUEi and CE were positively correlated in L. racemosa and A. schaueriana, but not in R. mangle. At each site, δ13C values of A. schaueriana were consistently higher than those for the other species, indicating that these species are subjected to contrasting water stress conditions. Leaf concentrations of C were lower, whilst those of N were always higher in A. schaueriana, indicating accumulation of salts and nonprotein N-compounds in leaves. Nitrogen concentrations and moderate positive δ15N values indicated that plant growth at the study sites was not inhibited by nutrient deficiency, and was not influenced by urban residual waters. Lower photosynthetic rates and values of CE of R. mangle compared to the other two species may constitute constraining factors preventing this species from establishing at higher latitudes. | |
| 540 | |a The Institute of Experimental Botany, 2015 | ||
| 690 | 7 | |a intercellular CO2 concentration |2 nationallicence | |
| 690 | 7 | |a leaf temperature |2 nationallicence | |
| 690 | 7 | |a photosynthesis |2 nationallicence | |
| 690 | 7 | |a stable isotope |2 nationallicence | |
| 690 | 7 | |a CE : carboxylation efficiency |2 nationallicence | |
| 690 | 7 | |a C i : intercellular CO2 concentration |2 nationallicence | |
| 690 | 7 | |a g s : stomatal conductance |2 nationallicence | |
| 690 | 7 | |a P N max : light-saturated photosynthetic rate |2 nationallicence | |
| 690 | 7 | |a QL : light intensity at the leaf surface |2 nationallicence | |
| 690 | 7 | |a TL : leaf temperature |2 nationallicence | |
| 690 | 7 | |a WUEi : intrinsic water-use efficiency |2 nationallicence | |
| 700 | 1 | |a Gomes Soares |D M. |u Faculdade de Oceanografia, Núcleo de Estudos em Manguezais, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4023-E, Maracanã, 20550-013, Rio de Janeiro, RJ, Brazil |4 aut | |
| 700 | 1 | |a Pereira Tognella |D M. |u Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, Centro Universitário Norte do Espírito Santo, Rodovia BR - 101 Norte, Km 60 Litorâneo, 29930000, São Mateus, ES, Brasil |4 aut | |
| 700 | 1 | |a Cuevas |D E. |u Department of Biology and Center for Tropical Ecology and Conservation, University of Puerto Rico, 00926, Río Piedras, Puerto Rico |4 aut | |
| 700 | 1 | |a Medina |D E. |u Instituto Venezolano de Investigaciones Científicas, Centro de Ecología, Carretera Panamericana, Km 11, ZP 1204, Edo. Miranda, Venezuela |4 aut | |
| 773 | 0 | |t Photosynthetica |d The Institute of Experimental Biology of the Czech Academy of Sciences |g 53/3(2015-09-01), 464-470 |x 0300-3604 |q 53:3<464 |1 2015 |2 53 |o 11099 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s11099-015-0119-0 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s11099-015-0119-0 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Gomes Soares |D M. |u Faculdade de Oceanografia, Núcleo de Estudos em Manguezais, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4023-E, Maracanã, 20550-013, Rio de Janeiro, RJ, Brazil |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Pereira Tognella |D M. |u Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, Centro Universitário Norte do Espírito Santo, Rodovia BR - 101 Norte, Km 60 Litorâneo, 29930000, São Mateus, ES, Brasil |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Cuevas |D E. |u Department of Biology and Center for Tropical Ecology and Conservation, University of Puerto Rico, 00926, Río Piedras, Puerto Rico |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Medina |D E. |u Instituto Venezolano de Investigaciones Científicas, Centro de Ecología, Carretera Panamericana, Km 11, ZP 1204, Edo. Miranda, Venezuela |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Photosynthetica |d The Institute of Experimental Biology of the Czech Academy of Sciences |g 53/3(2015-09-01), 464-470 |x 0300-3604 |q 53:3<464 |1 2015 |2 53 |o 11099 | ||