Environmental drivers in mangrove establishment and early development: A review

Krauss, Ken W.; Lovelock, Catherine E.; McKee, Karen L.; López‐Hoffman, Laura; Ewe, Sharon M. L.; Sousa, Wayne P.

doi:10.1016/j.aquabot.2007.12.014

Cited by 589 publications

(408 citation statements)

References 213 publications

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“…Mangrove forests offer an excellent system in which to investigate the relationship between the stress tolerance of species and their spatial distributions, as these forests occupy a habitat that is physically challenging to both plant establishment and growth (Ball 1988a;Smith 1992;Krauss et al 2008), and component tree species range from rare endemic to common, and may include non-native invasives. The tidally influenced mangrove habitat is characterized by flooded, hypoxic, and saline soils.…”

Section: Introductionmentioning

confidence: 99%

“…These adaptations include morphological traits such as aerial roots, lenticels, and pneumatophores that aerate the rhizosphere in hypoxic soils, and regulation of tissue salt concentrations by specialized saltexcreting leaf glands or exclusion of salt at root surfaces. Physiological and growth responses to gradients in salinity vary among mangrove species and can ultimately affect their distributions and abundances (Ball 1988a(Ball , b, 2002Smith 1992;Ball and Pidsley 1995;Krauss et al 2008). …”

Section: Introductionmentioning

confidence: 99%

“…All three have also become established, either accidentally or intentionally, as reproducing populations outside their native ranges (see "Discussion"). 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: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

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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“…Second, mangroves compare well against other forest types in terms of their susceptibility to damage from biophysical hazards. A notable exception, peculiar to mangroves due to their distribution in coastal and riparian habitats, is sea level rise, which might offset the expected increase in growth and carbon storage provided by increased CO 2 levels (Krauss et al 2008). However, flourishing and diverse mangrove forests can help in coastal protection and cope well with rising sea levels.…”

Section: Discussionmentioning

confidence: 99%

“…At the seaward limits of their habitat, they are constrained by tolerance to immersion, with salinity tolerance acting as an additional factor; most species achieve optimum growth at low salinities and may be facultative rather than obligate halophytes (Krauss et al 2008). Mangroves show plasticity in terms of their short-term responses to changes in water levels with major differences between species; for example, R. mangle (Ellison and Farnsworth 1997;Krauss et al 2008) and Kandelia candel (Ye et al 2003(Ye et al , 2004 are relatively resilient whilst Bruguiera gymnorrhiza is severely affected by increased inundation periods (Ye et al 2004). In general, increased tidal immersion causes negative physiological responses such as reductions in the production of fine roots and foliage and impairment in photosynthetic ability (Ye et al 2003(Ye et al , 2004.…”

Section: Sea-level Risementioning

confidence: 99%

Turning the Tide: How Blue Carbon and Payments for Ecosystem Services (PES) Might Help Save Mangrove Forests

Locatelli

Binet

Kairo

et al. 2014

AMBIO

128

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In this review paper, we aim to describe the potential for, and the key challenges to, applying PES projects to mangroves. By adopting a ''carbocentric approach,'' we show that mangrove forests are strong candidates for PES projects. They are particularly well suited to the generation of carbon credits because of their unrivaled potential as carbon sinks, their resistance and resilience to natural hazards, and their extensive provision of Ecosystem Services other than carbon sequestration, primarily nursery areas for fish, water purification and coastal protection, to the benefit of local communities as well as to the global population. The voluntary carbon market provides opportunities for the development of appropriate protocols and good practice case studies for mangroves at a small scale, and these may influence larger compliance schemes in the future. Mangrove habitats are mostly located in developing countries on communally or state-owned land. This means that issues of national and local governance, land ownership and management, and environmental justice are the main challenges that require careful planning at the early stages of mangrove PES projects to ensure successful outcomes and equitable benefit sharing within local communities.

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Plant Osmoregulation as an Emergent Water‐Saving Adaptation

Perri

Entekhabi

Molini

2018

Water Resources Research

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Soil salinity affects plant transpiration and growth through two main pathways: the osmotic effect of salt in the soil (osmotic stress; analogous to water stress) and the toxic effect of salt within the plant (ionic stress; salt specific). However, the drastic and sudden reduction of transpiration exhibited by most species in response to an increase of salinity in the root zone is mainly associated with the osmotic phase, while ionic stress appears at a later time, causing the premature senescence of leaves and the reduction of the plant photosynthetic area. To better investigate the effects of salinity on plant‐water relations, we introduce a parsimonious soil‐plant‐atmosphere continuum (SPAC) model accounting for both salt exclusion at the root level and osmoregulation—i.e., the adjustment of internal water potential in response to salt stress. The model is used to interpret a paradox observed in salt‐tolerant species where transpiration is maximum at an intermediate value of salinity ( CTr, max⁡), and is lower in more fresh ( CCTr, max⁡) conditions. Such nonmonotonic transpiration‐salt concentration ( Tr−C) patterns can be largely explained by plant osmoregulation, while the peak of transpiration at CTr, max⁡ tends to disappear over longer time scales, when ionic stress appears and morphological adaptations become predominant. Osmoregulation emerges here as a water‐saving behavior similar to the strategies that xerophytes use to cope with aridity. The maximum of transpiration at CTr, max⁡ is thus the result of a trade‐off between the enhancement of salt‐tolerance and optimal carbon assimilation.

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Environmental drivers in mangrove establishment and early development: A review

Cited by 589 publications

References 213 publications

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

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

Turning the Tide: How Blue Carbon and Payments for Ecosystem Services (PES) Might Help Save Mangrove Forests

Plant Osmoregulation as an Emergent Water‐Saving Adaptation

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