2009
DOI: 10.1007/s10144-009-0170-4
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Zostera marina population genetics in Barnegat Bay, New Jersey, and implications for grass bed restoration

Abstract: Within Barnegat Bay, New Jersey, Zostera marina populations have declined by 62% over the last 20 years, and restoration efforts have met with mixed success. We have completed a microsatellite-based genetic investigation of eight populations of Z. marina within Barnegat Bay to determine whether the genetic stock origins of the plants used in management projects may affect restoration success. Additionally, we assessed the genetic diversity of Z. marina in Barnegat Bay to better understand its population struct… Show more

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Cited by 22 publications
(29 citation statements)
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References 40 publications
(45 reference statements)
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“…The large-scale decline of Z. marina populations in the 1930s, which was attributed to disease (Orth & Moore 1984), would be expected to have created a population bottleneck, with subsequent high levels of inbreeding and reduced genetic diversity in remnant populations in the Chesapeake Bay and Chincoteague Bay. While a recently published study found that Z. marina populations from both New Jersey and 1 site in the Chesapeake Bay showed significant signs of inbreeding (F is > 0.6; Campanella et al 2009) (Table 4), our data from Chesapeake and Chincoteague Z. marina meadows do not, despite finding similar levels of allelic diversity.…”
Section: Discussioncontrasting
confidence: 81%
“…The large-scale decline of Z. marina populations in the 1930s, which was attributed to disease (Orth & Moore 1984), would be expected to have created a population bottleneck, with subsequent high levels of inbreeding and reduced genetic diversity in remnant populations in the Chesapeake Bay and Chincoteague Bay. While a recently published study found that Z. marina populations from both New Jersey and 1 site in the Chesapeake Bay showed significant signs of inbreeding (F is > 0.6; Campanella et al 2009) (Table 4), our data from Chesapeake and Chincoteague Z. marina meadows do not, despite finding similar levels of allelic diversity.…”
Section: Discussioncontrasting
confidence: 81%
“…Species level allelic richness in the Chesapeake Bay and its tributaries was on par with what has been found in other SAV species from throughout the world, which ranges from 2 to 18 alleles per locus (Reusch et al 1999b(Reusch et al , 2000Rhode and Duffy 2004;Pollux et al 2007;van Dijk et al 2009;Campanella et al 2010). Our site-level allele richness was also mostly within the typical ranges of values found in these same studies of other SAV species (2.3-10.5 alleles per locus).…”
Section: Genetic Diversitysupporting
confidence: 78%
“…clone that covers an area of roughly 43 ha (Mitton and Grant 1996), and several submersed aquatic species that are known to have clones that extend [5 km (Reusch et al 1999a;Ruggiero et al 2002). Most studies of other SAV species indicate that clones are primarily limited to within individual sites (Titus and Hoover 1991;Campanella et al 2010) Vegetative expansion of V. americana through rhizomes is generally limited to within a few meters of the parent plant (Titus and Hoover 1991). Maximum seasonal lateral growth of V. americana from the upper Potomac River genotypes is 60 cm under greenhouse conditions (Engelhardt, unpublished data).…”
Section: Genetic Diversitymentioning
confidence: 97%
“…Alternatively, the source of the seeds could be from a low-diversity population in between those included in our study that we did not sample, since over the 450 km of coastline to the north of the natural recruitment, we only sampled four populations (Chincoteague, Woods Hole, Peconic, and Western Great South Bay). Many seagrass populations along this coast are declining (Waycott et al 2009), and some of those are showing signs of genetic erosion (Campanella et al 2009). Migration from one of these meadows also could result in the conditions observed in Southern South Bay.…”
Section: Discussionmentioning
confidence: 99%