ON THE ORIENTATION OF SEA FANS (<i>GENUS GORGONIA</i>)

Wainwright, Susan; Dillon, John R.

doi:10.2307/1539674

Cited by 121 publications

(60 citation statements)

References 6 publications

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“…WAINWRIGHT (1968), using models of sea-fans (Gorgonia flabellurn), was able to support the statement of THrODOR & DrNIZOT (1965) that such orientation of the fans represents the most stable position from a mechanical point of view. Orientation parallel to the direction of the current causes strong twisting movements even in cases of slight current deviations.…”

Section: Introductionsupporting

confidence: 53%

Simulation of oscillating water movement in the laboratory for cultivation of shallow water sedentary organisms

Svoboda

1970

Helgolander Wiss. Meeresunters

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Section: Introductionsupporting

confidence: 53%

Simulation of oscillating water movement in the laboratory for cultivation of shallow water sedentary organisms

Svoboda

1970

Helgolander Wiss. Meeresunters

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“…Its growth is dependent on a multitude of factors. Some of those factors include salinity and temperature (Bayer, 1961;Williamson et al, 2011), orientation within the water column (Wainwright & Dillion, 1969), spatial distribution between coral colonies (Kinzie, 1970), and water flow across polyps (Jeyasuria & Lewis, 1987). Since Leptogorgia sp.…”

Section: Introductionmentioning

confidence: 99%

Polycyclic Aromatic Hydrocarbon Contents of Coral and Surface Sediments off the South Texas Coast of the Gulf of Mexico

Sabourin¹,

Silliman²,

Strychar³

2012

IJB

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Sediment and coral (Leptogorgia setacea) samples were analyzed for polycyclic aromatic hydrocarbon (PAH) concentrations along the Port Aransas Jetties off the coast of south Texas. Total PAH concentrations ranged from 243-2121 ppm in corals and from 1-328 ppm in sediments. In addition to total PAH concentrations being higher in coral samples, most of the corals also showed higher PAH concentrations in their skeletal cores than their body tissues. Our results suggest that corals are bioaccumulating PAHs. However, more statistical analysis and a larger breadth of samples need to be collected for better resolution. The importance of our observations is that the general trends show bioaccumulation at the beginning of the food chain (i.e., coral) which can have perilous consequences for bivalves, fish, and other organisms that feed in/on and around corals.

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“…Colony morphology affects resistance to wave and current action (Wainwright and Dillon, 1969;Chamberlain and Graus, 1975;Velimirov, 1976;Graus, et al, 1977;Tunnicliffe, 1982;Vosberg, 1982), feeding (Leversee, 1976;McKinney, 1981;Ryland and Warner, 1986), competitive interactions, and even the susceptibility to predation (Kaufmann, 1973;Jackson, 1979). All of these factors should have clear repercussions on fitness, but perhaps the most direct effect of colony morphology is on reproduction.…”

Section: Introductionmentioning

confidence: 99%

Growth Rates and Growth Strategy in a Clonal Marine Invertebrate, the Caribbean Octocoral Briareum asbestinum

Brazeau

Lasker

1992

The Biological Bulletin

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Abstract. Colony form directly effects colony reproductive output among colonial benthic invertebrates. The relationship between reproductive effort, colony form, and growth rate in colonies of the Caribbean octocoral Briareum asbestinum were examined by measuring the growth rates of 118 tagged colonies on Pinnacles and House Reef in the San Bias Islands, Panama. Colony growth rates, individual branch growth rates, and branch addition rates were measured over six month intervals from July 1986 to July 1988.Colonies grew at a net rate of 16.6 cm/year and added 1.2 branches/year. Individual branch measurements yielded a net rate of growth of 2.02 cm/year/branch. Positive growth rates, which provide a measure of minimum potential growth, were 71.3 cm/year, and 8.7 branches/ year for colonies and 6.21 cm/year for individual branches. Net growth rates and branch addition rates were 76 and 85% less than potential growth rates indicating large losses to fragmentation and predation. Calculated mean longevity of individual colonies (ramets) is short (10.6 years), given observed rates of growth and loss. However, since fragmented branches can reattach and initiate new colonies, losses due to fragmentation contribute to the asexual expansion of the genet.In July 1987,783 branches on the tagged colonies were individually mapped in order to characterize the relationship between branch size and the number of bifurcations (tips), and growth rates. The best predictor of growth rate was the number of tips per branch (r 2 = 0.46; P < .0001). No relationship was found between branch growth and branch size, consequently branch growth per

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ON THE ORIENTATION OF SEA FANS (GENUS GORGONIA)

Cited by 121 publications

References 6 publications

Simulation of oscillating water movement in the laboratory for cultivation of shallow water sedentary organisms

Simulation of oscillating water movement in the laboratory for cultivation of shallow water sedentary organisms

Polycyclic Aromatic Hydrocarbon Contents of Coral and Surface Sediments off the South Texas Coast of the Gulf of Mexico

Growth Rates and Growth Strategy in a Clonal Marine Invertebrate, the Caribbean Octocoral Briareum asbestinum

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