Buoy-deployed seeding: Demonstration of a new eelgrass (Zostera marina L.) planting method

Pickerell, Christopher; Schott, Stephen; Wyllie‐Echeverria, Sandy

doi:10.1016/j.ecoleng.2005.03.005

Cited by 71 publications

(88 citation statements)

References 25 publications

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“…In spring 2004, we deployed reproductive shoots holding developing seeds using an adaptation of the Buoy-Deployed Seeding method (Pickerell et al 2005) into 0.8 to 2.0 ha plots in Spider Crab Bay. Plots distributed in different years were interspersed across each bay's suitable depth range (usually <1.5 m MLW), allowing us to distinguish the relative effectiveness of different years' seedings and to compare the success of deep and shallow plots across years (McGlathery et al 2012, this Theme Section).…”

Section: Seed Collection and Distributionmentioning

confidence: 99%

Seed addition facilitates eelgrass recovery in a coastal bay system

Orth¹,

Moore²,

Marion³

et al. 2012

Mar. Ecol. Prog. Ser.

149

142

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Eleven years of eelgrass Zostera marina seed additions conducted in a coastal bay system where Z. marina had not been reported since 1933 have resulted in rapid Z. marina expansion beyond the initially seeded plots. From 1999 through 2010, 37.8 million viable seeds were added to 369 individual plots ranging in size from 0.01 to 2 ha totaling 125.2 ha in 4 coastal bays. Subsequent expansion from these initial plots to approximately 1700 ha of bay bottom populated with Z. marina through 2010 is attributable to seed export from the original plots and subsequent generations of seedlings originating from those exports. Estimates of annual patch vegetative expansion showed mean estimated diameter increasing at varying rates from 10 to 36 cm yr −1 , consistent with rhizome elongation rates reported for Z. marina. Water quality data collected over 7 yr by spatially intensive sampling, as well as fixed-location continuous monitoring, document conditions in all 4 bays that are adequate to support Z. marina growth. In particular, median chlorophyll levels for the entire sampling period were between 5 and 6 µg l −1 for each of the bays, and median turbidity levels, while exhibiting seasonal differences, were between 8 and 9 NTU. The recovery of Z. marina initiated in this coastal bay system may be unique in seagrass recovery studies because of how the recovery was initiated (seeds rather than adult plants), how rapidly it occurred (years rather than decades), and the explicit demonstration of how one meadow modulated water clarity and altered sediments as it developed and expanded. Our results offer a new perspective on the role seeds can play in recovery dynamics at large spatial scales.

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Section: Seed Collection and Distributionmentioning

confidence: 99%

Seed addition facilitates eelgrass recovery in a coastal bay system

Orth¹,

Moore²,

Marion³

et al. 2012

Mar. Ecol. Prog. Ser.

149

142

View full text Add to dashboard Cite

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“…Over the last decades, there have been global declines in seagrass abundance in many places in the world, and management decisions aimed at protecting and restoring submerged aquatic vegetation have been taken in many places (Fonseca et al, 1996;Koch et al, 2006;Pickerell et al, 2005;Van der Heide et al, 2007;Cardoso et al, 2008;Koch et al, 2009, Shafer andBergstrom, 2010;Vacchi et al, 2012). Of course, it is known that there are a lot of abiotic and biotic factors, which can affect the losses of seagrasses and their lack of recovery.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear hydrodynamics in a Mediterranean lagoon

Alekseenko

Roux

Сухинов

et al. 2013

Nonlin. Processes Geophys.

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The paper addresses the application of the nonlinear hydrodynamics model (RANS (Reynolds-averaged Navier–Stokes) equations) in a wide semi-enclosed Mediterranean lagoon (Berre lagoon), considering three natural forcing functions, i.e., sea tide propagating through a long narrow channel, wind and runoff. Main attention is focused to characteristic velocities (at free surface and bottom) and to free surface elevation associated to each of these three mechanisms, with special attention to the nearshore areas (i.e., in shallow water). The most interesting result concerns wind effects which, due to Berre lagoon bathymetry, give rise to downwind coastal jets, alongshore, in shallow water areas. Such coastal jets were never mentioned before in Berre lagoon literature

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“…The utility of using seed buoys containing freshly collected eelgrass reproductive shoots for eelgrass seedling establishment and restoration was first demonstrated in Long Island, NY by Pickerell et al (2005). The seeds are gradually released in a manner that mimics natural dispersal patterns (Pickerell et al 2005(Pickerell et al , 2006. See Pickerell et al (2006) for details on the construction and deployment of floating seed buoys.…”

Section: Eelgrass Planting Projectsmentioning

confidence: 99%

“…In Maryland, a commercial aquatic plant harvester ( Figure 3 Two methods tested for dispersing eelgrass seeds in all three projects were: (1) immediate deployment of the reproductive shoots in floating mesh bags (seed buoys) ( Figure 5) in areas suitable for planting (Pickerell et al 2005(Pickerell et al , 2006, and (2) separation and storage after harvest and broadcast in the fall . The utility of using seed buoys containing freshly collected eelgrass reproductive shoots for eelgrass seedling establishment and restoration was first demonstrated in Long Island, NY by Pickerell et al (2005). The seeds are gradually released in a manner that mimics natural dispersal patterns (Pickerell et al 2005(Pickerell et al , 2006.…”

Section: Eelgrass Planting Projectsmentioning

confidence: 99%

“…Although the use of seeds in submerged aquatic vegetation restoration has been limited to date, interest is increasing. The harvest and sowing of eelgrass seeds (Z. marina) has recently emerged as a viable way to plant and restore large acreages (Granger et al 2002;Pickerell et al 2005), although the use of seeds for eelgrass restoration may not be suitable for all sites.…”

Section: Introductionmentioning

confidence: 99%

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Large-Scale Submerged Aquatic Vegetation Restoration in Chesapeake Bay: Status Report, 2003-2006

Shafer¹,

Bergstrom²

2008

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Abstract:In 2003, the U.S. Army Engineer Research and Development Center (ERDC) and the National Oceanic and Atmospheric Administration Chesapeake Bay Office began a comprehensive research effort to restore submerged aquatic vegetation (SAV) in the Chesapeake Bay region. The effort employed an agricultural approach to restore under-water grasses by using seeds to produce new plants and mechanical equipment to plant seeds and harvest. Since this research initiative began, an average of 33 acres/yr of SAV has been planted in the Chesapeake Bay, compared to an average rate of 9 acres/yr during the previous 21 years . New techniques and equipment developed as part of this research have introduced the capability to collect and disperse millions of eelgrass seeds. These results demonstrate these programs' success in developing tools and techniques necessary to plant SAV at scales unattainable with technologies existing only a few years ago.

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Buoy-deployed seeding: Demonstration of a new eelgrass (Zostera marina L.) planting method

Cited by 71 publications

References 25 publications

Seed addition facilitates eelgrass recovery in a coastal bay system

Seed addition facilitates eelgrass recovery in a coastal bay system

Nonlinear hydrodynamics in a Mediterranean lagoon

Large-Scale Submerged Aquatic Vegetation Restoration in Chesapeake Bay: Status Report, 2003-2006

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