Nitrogen dynamics in Posidonia oceanica cuttings: implications for transplantation experiments

Lepoint, Gilles; Vangeluwe, Denis; Eisinger, Michael; Paster, Markus; Treeck, Peter van; Bouquegneau, Jean-Marie; Gobert, Sylvie

doi:10.1016/j.marpolbul.2003.08.023

Cited by 23 publications

(18 citation statements)

References 20 publications

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“…In control location Bandengan waters, growth rate of E. acoroides and C. serrulata were 0,428 and 0,047 mm.day -1. . This slower growth rate of transplant seagrass compared to plants at the donor sites [22] suggesting that seagrass transplants needed time to acclimatize to new environment. Figure 2 illustrates the transplantation survival rate of E. acoroides and C. serrulata at Teluk Awur and Bandengan waters.…”

Section: Resultsmentioning

confidence: 97%

The application of Environmental Friendly Technique For Seagrass Transplantation

Riniatsih

Hartati

Endrawati

et al. 2018

IOP Conf. Ser.: Earth Environ. Sci.

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Abstract. Many attempts have been made to solve tremendous seagrass losses the marine environment in many area in the world. Artificial transplanting of shoots and spreading of seeds from intact meadows to non-vegetated coastal sediment are the most applied techniques. The study was aimed to apply environmentally seagrass tranplantation techniques in less vegetated area. Frame and small tube made from bamboo were used to do seagrass tranplantation in Jepara Waters. Vegetative shoots (springs) of Enhalus acoroides dan Cymodocea serrulata were collected from a healthy donor bed located nearby the transplantation site, and planted into unvegetated areas. Test transplant survival was assessed every month for three months. The result revealed that the survival rates of transplants were varied with the area. It might have due to difference in sediment characteristics of transplanting sites and transplant technique are discussed.

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Section: Resultsmentioning

confidence: 97%

The application of Environmental Friendly Technique For Seagrass Transplantation

Riniatsih

Hartati

Endrawati

et al. 2018

IOP Conf. Ser.: Earth Environ. Sci.

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“…Experimental tracers allow us to study, and sometimes to quantify, in situ processes involving C and N at the scale of the plant or the community. At the plant or ramet level, these techniques have been use to increase the discrimination of isotopic signatures of primary producers for food web studies (Winning et al, 1999;Mutchler et al, 2004), to quantify N uptake rate and allocation (Iizumi and Hattori, 1982;Lepoint et al, 2002bLepoint et al, , 2004bPedersen and Borum, 1992;Pedersen et al, 1997) or epiphytes (e.g. Cornelisen and Thomas, 2002), to assess N internal recycling (Borum et al, 1989;Lepoint et al, 2002a), to measure primary production (Mateo et al, 2001) and to assess N and C transfer between shoots (Libes and Boudouresque, 1987;Marba et al, 2002).…”

Section: Tracer Experimentsmentioning

confidence: 99%

Applications of C and N stable isotopes to ecological and environmental studies in seagrass ecosystems

Lepoint

Dauby

Gobert

2004

Marine Pollution Bulletin

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105

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Stable isotopes of carbon and nitrogen are increasingly used in marine ecosystems, for ecological and environmental studies. Here, we examine some applications of stable isotopes as ecological integrators or tracers in seagrass ecosystem studies. We focus on both the use of natural isotope abundance as food web integrators or environmental tracers and on the use of stable isotopes as experimental tools. As ecosystem integrators, stable isotopes have helped to elucidate the general structure of trophic webs in temperate, Mediterranean and tropical seagrass ecosystems. As environmental tracers, stable isotopes have proven their utility in sewage impact measuring and mapping. However, to make such environmental studies more comprehensible, future works on understanding of basic reasons for variations of N and C stable isotopes in seagrasses should be encouraged. At least, as experimental tracers, stable isotopes allow the study of many aspects of N and C cycles at the scale of a plant or at the scale of the seagrass ecosystem.

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“…Given the scale of habitat loss and the value of seagrasses, there is considerable interest in restoring damaged meadows. Although progress has been made in developing revegetative techniques (Fonseca et al ; Piazzi et al ; Paling et al ; Golden et al ; Orth et al ; Reynolds et al ), for most species the revegetation success is still limited by slow colonization rates and vulnerability to stresses (Balestri et al , ; Lepoint et al ). Because transplants may suffer from nutrient deficiency due to the lack of physiological integration and immature root system (Lepoint et al ; Balestri & Lardicci ; Balestri et al ), addition of fertilizers to sediments has been recommended for transplantation (Fonseca et al ).…”

Section: Introductionmentioning

confidence: 99%

Effects of Sediment Fertilization and Burial on Cymodocea nodosa Transplants; Implications for Seagrass Restoration Under a Changing Climate

Balestri

Lardicci

2013

Restoration Ecology

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Sediment fertilization is recommended for improving seagrass restoration efforts, but few studies have evaluated the efficacy of such practice. Increasing storm frequency due to global change could lead to greater sediment mobilization. Understanding how this alteration will interact with fertilization to affect transplants is essential for future restoration planning. We examined the individual and combined effects of nutrients (ambient vs. repeated addition) and burial (control vs. increased frequency and intensity) on the performance and biomass partitioning of transplants of the seagrass Cymodocea nodosa at two sites within a north‐western Mediterranean meadow. Fertilization stimulated the production of shoots, total biomass, and branching. Burial increased leaf sheath length in one site while reduced shoot number, leaf number, leaf sheath length, total biomass, net shoot gain, and root‐to‐shoot ratio in the other site. Regardless of the site, fertilization and burial interaction reduced the length of vertical internodes and horizontal rhizomes, and the net shoot gain. Our research demonstrates that sediment fertilization ensures rapid colonization of restoration sites, providing C. nodosa plants up to eight times larger than controls in one growing season. However, it also indicates that interaction of increased burial and nutrients reduced the gain in terms of vegetative expansion and depressed vertical growth, making plants more vulnerable to subsequent disturbances. Therefore, seagrass restoration practitioners should account for changes in sediment elevation at transplanting sites when planning restoration programs and carefully evaluate the opportunity of applying fertilizers in sites subjected to greater sediment accumulation to avoid failure.

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Nitrogen dynamics in Posidonia oceanica cuttings: implications for transplantation experiments

Cited by 23 publications

References 20 publications

The application of Environmental Friendly Technique For Seagrass Transplantation

The application of Environmental Friendly Technique For Seagrass Transplantation

Applications of C and N stable isotopes to ecological and environmental studies in seagrass ecosystems

Effects of Sediment Fertilization and Burial on Cymodocea nodosa Transplants; Implications for Seagrass Restoration Under a Changing Climate

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