NDLI: Too close for comfort: spatial patterns in acorn barnacle populations

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Population Ecology : Volume 58, Issue 3, July 2016

Population Ecology : Volume 58, Issue 2, April 2016

Too close for comfort: spatial patterns in acorn barnacle populations

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Population Ecology : Volume 58, Issue 1, January 2016

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Population Ecology : Volume 50

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Population Ecology : Volume 46

Population Ecology : Volume 45

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Population Ecology : Volume 40

Population Ecology : Volume 39

Too close for comfort: spatial patterns in acorn barnacle populations

Content Provider	Springer Nature Link
Author	Hooper, Rebecca C. Eichhorn, Markus P.
Copyright Year	2016
Abstract	Spatial patterns in aggregations form as a result of the interplay between costs and benefits experienced by individuals. Such self-organisation of aggregations can be explained using a zonal model in which a short-range zone of repulsion and longer-range zone of attraction surrounding individuals leads to emergent pattern properties. The signal of these processes can be detected using spatial pattern analyses. Furthermore, in sessile organisms, post-settlement mortality reveals the relative costs and benefits of positions within the aggregation. Acorn barnacles are known to require contact with conspecifics for reproduction and are therefore believed to aggregate for this purpose; isolated individuals may also be more susceptible to abiotic stress and predation. At short distances, however, competition for space and resources is likely to occur. In this study spatial patterns of barnacles (Semibalanus balanoides L.) were analysed using pair-correlation functions. Individuals were dispersed at distances below 0.30 cm, but peak relative density occurred at a distance of 0.36 cm from conspecifics. This is much closer than required for reproductive access, implying a strong aggregative drive, up to the point of physical contact with neighbours. Nevertheless, analysis of dead barnacles illustrated that such proximity carries a cost as barnacles with many neighbours were more likely to have died. The inferences obtained from these patterns are that barnacles aggregate as closely as they can, and that local neighbourhood competition is a powerful determinant of mortality. These processes give rise to the observed pattern properties.
Starting Page	231
Ending Page	239
Page Count	9
File Format	PDF
ISSN	14383896
Journal	Population Ecology
Volume Number	58
Issue Number	2
e-ISSN	1438390X
Language	English
Publisher	Springer Japan
Publisher Date	2016-03-03
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Intertidal Pair correlation function Self-organisation Semibalanus balanoides Spatial point patterns Zone of interaction Ecology Zoology Plant Sciences Evolutionary Biology Behavioral Sciences Forestry
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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Genetic evidence for kin aggregation in the intertidal acorn barnacle (Semibalanus balanoides).

Fluctuations in settlement and survival of a barnacle Semibalanus balanoides in the White Sea intertidal

Fluctuating asymmetry in Semibalanus balanoides (Crustacea: Cirripedia) at different heights on the shore

Extreme spatial variation in the growth and reproductive output of the acorn barnacle Semibalanus balanoides

Characterizing the cirri and gut microbiomes of the intertidal barnacle Semibalanus balanoides

Differential patterns of spatial divergence in microsatellite and allozyme alleles: further evidence for locus-specific selection in the acorn barnacle, Semibalanus balanoides?

Ecological hindcasting of biogeographic responses to climate change in the European intertidal zone

Population dynamics of the intertidal barnacle Semibalanus balanoides at three European locations: spatial scales of variability

GENE FLOW VERSUS LOCAL ADAPTATION IN THE NORTHERN ACORN BARNACLE, SEMIBALANUS BALANOIDES: INSIGHTS FROM MITOCHONDRIAL DNA VARIATION

Too close for comfort: spatial patterns in acorn barnacle populations

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Genetic evidence for kin aggregation in the intertidal acorn barnacle (Semibalanus balanoides).

Fluctuations in settlement and survival of a barnacle Semibalanus balanoides in the White Sea intertidal

Fluctuating asymmetry in Semibalanus balanoides (Crustacea: Cirripedia) at different heights on the shore

Extreme spatial variation in the growth and reproductive output of the acorn barnacle Semibalanus balanoides

Characterizing the cirri and gut microbiomes of the intertidal barnacle Semibalanus balanoides

Differential patterns of spatial divergence in microsatellite and allozyme alleles: further evidence for locus-specific selection in the acorn barnacle, Semibalanus balanoides?

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GENE FLOW VERSUS LOCAL ADAPTATION IN THE NORTHERN ACORN BARNACLE, SEMIBALANUS BALANOIDES: INSIGHTS FROM MITOCHONDRIAL DNA VARIATION

Too close for comfort: spatial patterns in acorn barnacle populations