Influence of Salinity on Photosynthesis of Halophytes

Lovelock, Catherine E.; Ball, Marilyn C.

doi:10.1007/0-306-48155-3_15

Cited by 53 publications

(50 citation statements)

References 113 publications

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“…Avicennia seedlings have been shown to be less sensitive to salt than other mangroves because of their high water-use efficiency. This conservative use of water limits their growth rate but allows Avicennia species to live in highly saline environments (Jiménez 1984;Ball 1988b;Lovelock and Ball 2002).…”

Section: Discussionmentioning

confidence: 99%

“…It is important to note that our results pertain only to the seedling stage of the study species' life histories. Optimal conditions for growth may change during a plant's ontogeny (Ball 1988a(Ball , b, 2002Lovelock and Ball 2002). In addition, our treatments were imposed as fixed conditions of light and salinity; different patterns and rates of temporal variation in soil salinity can affect the tolerance and performance of developing mangrove seedlings (Lin and Sternberg 1993;Bompy et al 2014).…”

Section: Nomentioning

confidence: 99%

“…Due to the physiological constraints of living in saline flooded soil, mangroves often exhibit a reduction in photosynthetic rates and carbon assimilation (i.e., growth) under high soil salinity conditions (Ball 1988a;Lovelock and Ball 2002;Reef and Lovelock 2014). Additionally, because the photosynthetic rates of mangroves saturate at relatively low light intensities (typically 40 % irradiance or less; Krauss et al 2008), exposure of leaves to direct sunlight can result in a large excess of excitation energy and a stressful increase in leaf temperature.…”

Section: Nomentioning

confidence: 99%

“…Responses of mangrove seedlings to covarying levels of light and salinity have been studied in both field and greenhouse settings (Ball 2002;Krauss and Allen 2003;López-Hoffman et al 2006, 2007. Those investigations focused exclusively on species that are abundant and widely distributed, so do not provide tests of the specific hypothesis we examined.…”

Section: Nomentioning

confidence: 99%

“…The study focused on the responses of seedlings in the first 12 weeks of life to the tested environmental factors, because variation in seedling demography is a major driver of forest dynamics and structure (Smith 1992;McKee 1995;Krauss et al 2008). We expected light and salinity to exert a synergistic impact on mangrove seedling performance (Ball 2002;López-Hoffman et al 2006, 2007, with the interactive impact being strongest for the rare species Pelliciera rhizophorae.…”

Section: Introductionmentioning

confidence: 99%

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Environmental tolerances of rare and common mangroves along light and salinity gradients

2015

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responded less to variation in light and salinity. However, at high salinity, its relative growth rate was low at every light level and none of these plants flushed leaves. As predicted, the rare species, Pelliciera rhizophorae, was the most sensitive to environmental stressors, suffering especially high mortality and reduced growth and quantum yield under the combined conditions of high light and medium-high salinity. That it only thrives under shaded conditions represents an important exception to the prevailing belief that halophytes are intrinsically constrained to be shade intolerant.

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Section: Discussionmentioning

confidence: 99%

Section: Nomentioning

confidence: 99%

Section: Nomentioning

confidence: 99%

Section: Nomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Environmental tolerances of rare and common mangroves along light and salinity gradients

2015

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Plant Abiotic Stress

Jenks

Hasegawa

2005

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of CBF gene expression in response to low temperature 4.2.4.1 DNA regulatory elements controlling CBF expression 4.2.4.2 Proteins with positive roles in CBF expression 4.2.4.3 Proteins with negative roles in CBF expression 4.2.4.4 Other potential CBF regulatory proteins 4.2.4.5 Light and circadian rhythms 4.2.4.6 Role of calcium 4.2.4.7 Role of ABA 4.3 Conservation of the CBF cold-response pathway 4.3.1 Brassica napus 4.3.2 Tomato 4.3.3 Rice 4.4 Concluding remarks 5 Plant responses to high temperature JANE LARKINDALE, MICHAEL MISHKIND and ELIZABETH VIERLING 5.1 Introduction 5.2 Physiological responses to high temperature 5.2.1 High temperature limits to optimal plant performance 5.2.2 Heat sensitivity of photosynthesis 5.2.3 Heat sensitivity of reproduction 5.3 Cellular acquired thermotolerance 5.4 Heat shock proteins/molecular chaperones 5.4.1 Hsp100/ClpB 5.4.2 Hsp90 5.4.3 Hsp70/DnaK 5.4.4 Hsp60/GroE 5.4.5 The sHSP family of proteins 5.5 Other components of the response to heat 5.5.1 Antioxidant production 5.5.2 Other heat-stress regulated genes 5.5.3 Other heat-protective responses 5.5.4 Mutants defective in heat tolerance 5.5.5 Transgenic plants with altered heat tolerance CONTENTS vii 5.6 Signaling pathways involved in response to heat 5.6.1 Heat shock transcription factors 5.6.2 Other signaling pathways 5.6.3 Abscisic acid 5.6.4 Salicylic acid

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