1999
DOI: 10.1016/s0022-0981(99)00039-8
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Differential predation and growth rates of bay scallops within a seagrass habitat

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Cited by 128 publications
(92 citation statements)
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References 46 publications
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“…Barbeau and Scheibling (1994) demonstrated that tethering sea scallops, Placopecten magellanicus, artiWcially inXated predation rates by sea stars, whose predation success was determined by capture rates, but not crabs, whose predation success was determined by encounter rates. If predation rates by crabs on tethered bay scallops are not inXated, a conclusion also drawn by Bologna and Heck (1999), then lower recovery of live free-planted scallops compared to survival of tethered scallops can be attributed to emigration (Moore and Marshall 1967;Winter and Hamilton 1985; 1986;Hamilton and Koch 1996;Bologna and Heck 1999). This was probably the case for small scallops in all periods during our study except August 2007, when tethered survival and live recovery of free-planted scallops was the same.…”
Section: Eelgrassmentioning
confidence: 51%
“…Barbeau and Scheibling (1994) demonstrated that tethering sea scallops, Placopecten magellanicus, artiWcially inXated predation rates by sea stars, whose predation success was determined by capture rates, but not crabs, whose predation success was determined by encounter rates. If predation rates by crabs on tethered bay scallops are not inXated, a conclusion also drawn by Bologna and Heck (1999), then lower recovery of live free-planted scallops compared to survival of tethered scallops can be attributed to emigration (Moore and Marshall 1967;Winter and Hamilton 1985; 1986;Hamilton and Koch 1996;Bologna and Heck 1999). This was probably the case for small scallops in all periods during our study except August 2007, when tethered survival and live recovery of free-planted scallops was the same.…”
Section: Eelgrassmentioning
confidence: 51%
“…Examination of the responses of less vagile organisms to natural seagrass bed edges is limited and yields mixed results. Bologna & Heck (1999) found higher densities of scallops in natural seagrass bed edges (within 1 m of the sand -grass interface) versus the bed interior (10 m from the interface) from T. testudinum beds in the northeast Gulf of Mexico, even though higher scallop predation rates were observed in the edges. The authors suggested that scallops trade off higher predation rates for the significantly higher growth rates obtained at seagrass edges (Bologna & Heck 1999).…”
Section: Discussionmentioning
confidence: 83%
“…Bologna & Heck (1999) found higher densities of scallops in natural seagrass bed edges (within 1 m of the sand -grass interface) versus the bed interior (10 m from the interface) from T. testudinum beds in the northeast Gulf of Mexico, even though higher scallop predation rates were observed in the edges. The authors suggested that scallops trade off higher predation rates for the significantly higher growth rates obtained at seagrass edges (Bologna & Heck 1999). Bell et al (2001) reported significantly reduced densities of the infaunal polychaete, Kingbergonuphis simoni, at T. testudinum edges (1 m from the sand -grass interface) compared to densities 9 m from the interface in Tampa Bay, Florida.…”
Section: Discussionmentioning
confidence: 83%
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“…Most have considered proportional Iosses of prey from tethers as reflective of differences in either 'predation rates', 'preetion pressure', 'predation nsk', 'predation , potential' o&'$redation intensity', often using some or all of these terms interchangeably and without explicit definitions when presenting the findings (e.g. Wilson 1989, Minello 1993, Bologna & Heck 1999. Others.…”
Section: Introductionmentioning
confidence: 99%