Differential response of settling larvae to resident colony density in two species of Bugula (Bryozoa : Cheilostomata)

Mark E. Patzkowsky

doi:10.1016/0022-0981(88)90205-5

Differential response of settling larvae to resident colony density in two species of Bugula (Bryozoa : Cheilostomata)

Mark E. Patzkowsky

Geosciences

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The effect of resident colony density on larval settlement in Bugula turrita (Desor) and Bugula stolonifera Ryland was determined on fouling panels each with three density treatments of Bugula colonies. Bugula colony density was manipulated so that one treatment had zero colonies, one had a low density of 1-2 colonies · cm^-2, and one retained the extant density of 5-7 colonies · cm^-2. Larvae of B. turrita showed no settlement preference with respect to colony density but B. stolonifera showed a marked density effect, settling preferentially in the high and low density treatments. These results contradict predictions based on the presumed competitive ability of the different growth forms of the two species. Selection for larval behavior in response to growth strategies early in life history may explain this settlement pattern.

Original language	English (US)
Pages (from-to)	57-63
Number of pages	7
Journal	Journal of Experimental Marine Biology and Ecology
Volume	124
Issue number	1
DOIs	https://doi.org/10.1016/0022-0981(88)90205-5
State	Published - Dec 13 1988

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Aquatic Science

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10.1016/0022-0981(88)90205-5

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title = "Differential response of settling larvae to resident colony density in two species of Bugula (Bryozoa : Cheilostomata)",

abstract = "The effect of resident colony density on larval settlement in Bugula turrita (Desor) and Bugula stolonifera Ryland was determined on fouling panels each with three density treatments of Bugula colonies. Bugula colony density was manipulated so that one treatment had zero colonies, one had a low density of 1-2 colonies · cm-2, and one retained the extant density of 5-7 colonies · cm-2. Larvae of B. turrita showed no settlement preference with respect to colony density but B. stolonifera showed a marked density effect, settling preferentially in the high and low density treatments. These results contradict predictions based on the presumed competitive ability of the different growth forms of the two species. Selection for larval behavior in response to growth strategies early in life history may explain this settlement pattern.",

author = "Patzkowsky, \{Mark E.\}",

note = "Funding Information: I thank R. Grosberg,P . Frank, R. Chapell,C . Reed,A . Horowitz, S. Lidgard, M. Listokin, M. Foote, L. Buss,a nda n anonymourse viewerT. his researchw as supported by the LucretiaC racker ScholarshipF und and the Marine Ecology Course( 1984)a t the Marine BiologicalL aboratory,W oods Hole, MassachusettsU, .S.A.",

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doi = "10.1016/0022-0981(88)90205-5",

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AU - Patzkowsky, Mark E.

N1 - Funding Information: I thank R. Grosberg,P . Frank, R. Chapell,C . Reed,A . Horowitz, S. Lidgard, M. Listokin, M. Foote, L. Buss,a nda n anonymourse viewerT. his researchw as supported by the LucretiaC racker ScholarshipF und and the Marine Ecology Course( 1984)a t the Marine BiologicalL aboratory,W oods Hole, MassachusettsU, .S.A.

PY - 1988/12/13

Y1 - 1988/12/13

N2 - The effect of resident colony density on larval settlement in Bugula turrita (Desor) and Bugula stolonifera Ryland was determined on fouling panels each with three density treatments of Bugula colonies. Bugula colony density was manipulated so that one treatment had zero colonies, one had a low density of 1-2 colonies · cm-2, and one retained the extant density of 5-7 colonies · cm-2. Larvae of B. turrita showed no settlement preference with respect to colony density but B. stolonifera showed a marked density effect, settling preferentially in the high and low density treatments. These results contradict predictions based on the presumed competitive ability of the different growth forms of the two species. Selection for larval behavior in response to growth strategies early in life history may explain this settlement pattern.

AB - The effect of resident colony density on larval settlement in Bugula turrita (Desor) and Bugula stolonifera Ryland was determined on fouling panels each with three density treatments of Bugula colonies. Bugula colony density was manipulated so that one treatment had zero colonies, one had a low density of 1-2 colonies · cm-2, and one retained the extant density of 5-7 colonies · cm-2. Larvae of B. turrita showed no settlement preference with respect to colony density but B. stolonifera showed a marked density effect, settling preferentially in the high and low density treatments. These results contradict predictions based on the presumed competitive ability of the different growth forms of the two species. Selection for larval behavior in response to growth strategies early in life history may explain this settlement pattern.

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DO - 10.1016/0022-0981(88)90205-5

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SN - 0022-0981

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SP - 57

EP - 63

JO - Journal of Experimental Marine Biology and Ecology

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Differential response of settling larvae to resident colony density in two species of Bugula (Bryozoa : Cheilostomata)

Abstract

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