Distribution of juvenile and adult arenicola marina on a tidal mud flat and the importance of nearshore areas for recruitment

Farke, Hubert; Wilde, Peter; Berghuis, E.M.

doi:10.1016/0077-7579(79)90011-5

Cited by 33 publications

(18 citation statements)

References 10 publications

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“…There is clearly a n attraction of juvenile lugworms to conspecifics in a gregarious type of response and a negative effect of adult populated sediment. The aggregation of juveniles has been described as advantageous, with higher survival rate of juveniles in areas not dominated by adults (Farke et al 1979). Thus, our data also indicate that these reactions do not depend on the physical presence of such conspecifics but on the 'odour' of chemicals emitted by these individuals.…”

Section: Discussionsupporting

confidence: 64%

“…Juveniles and adults of A. marina are commonly found heterogeneously distributed over tidal flats, with juveniles often seen to occur in higher and sheltered areas, separated from adults in the population. Migration of juveniles has been described to occur during the night (Farke & Berghuis 1979), and, once the juveniles have migrated to a suitable area of sediment, the tendency to swim decreases, mucus is secreted and the juveniles adhere to the substratum and then subsequently build a tube (Farke et al 1979). In this paper we assess the settlement inducing and settlement selection potential of natural sediments that have been exposed to various 'natural cues' from either conspecifics or infaunal species, phytoplankton and cryptomonad extracts and a number of synthetic organic molecules.…”

Section: Arenicola Marinamentioning

confidence: 99%

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Sediment selection by juvenile Arenicola marina

Hardege¹,

Bentley²,

Snape³

1998

Mar. Ecol. Prog. Ser.

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Juveniles of the benthic polychaete Arenicola marina migrate until they recognise a substratum suitable for settlement. As in a number of marme invertebrates, inter-and intra-specific interactions are of importance in selecting a habitat, and specific chemical factors are involved. This study focuses on the sediment preferences of larvae and juveniles and includes an assessment of both the posit~ve and negative chemical cues. The data confirm an attraction of juvenile conspec~fics to each other during settlement in a gregarious type of posit~ve response, whereas a negative response to sedi m e n t~ that have been populated by adult A. manna exists. Attraction and larval settlement were induced by a number of synthetic chemicals, including fatty acids, anlino acids and tripeptides, and by Rhodomonas sp. and Nephtys hombergii populated sand. Aquatic fish food (Tetra-Marine, commercial trout diet) enriched sediment induces settlement at a similar range; this suggests that settlement can be induced non-specifically by water soluble compounds, which may indicate organically enriched and therefore potentially favourable sites for settlement. In A. manna, brominated aromatics (e.g. 3.5-dibromo-4-hydroxybenzoic acid) inhibit settlement and function as negative cues in a similar way to those described for terebellid polychaetes. Negative cues may be more important than positive cues cnd their ic!e in s u b s t i~i u~ choice by iiiveiiebiate larvae has been uiiderestiniaieci.

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Section: Discussionsupporting

confidence: 64%

Section: Arenicola Marinamentioning

confidence: 99%

Sediment selection by juvenile Arenicola marina

Hardege¹,

Bentley²,

Snape³

1998

Mar. Ecol. Prog. Ser.

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“…These species might provide additional examples of migrations to avoid unfavourable conditions for certain hfe stages, thus adjusting distribution patterns of successive hfe stages to their specific demands. In the Wadden Sea, the intricate hfe history of the lugworm Arenicola marina, as described by Farke et al (1979) and Reise (1985), would be another example. Apparently, the newly-settled posflarvae of Macoma migrate shoreward primarily to avoid the high predation pressure on small animals that is so prevalent in the lower intertidal (Reise, 1983(Reise, , 1985.…”

Section: Older Macomamentioning

confidence: 99%

“…On tidal flats predation pressure on juvenile macrofauna is heavier in the lower than in higher parts (Reise 1983 In several macrobenthic species of the tidal flats of the Wadden Sea the highest densities of juveniles are indeed found in the higher parts of the tidal fiats; the less vulnerable adults of the same species are common over a wider depth range, and more abundant in lower parts, than the juveniles. This is so, for example, in the lugworm Arenicola marina (Farke et al, 1979;Dankers & BeukeIna, 1983), the shore crab Carcinus maenas (Klein Breteler, 1976), the brown shrimp Crangon crangon (Janssen & Kuipers, 1980;Beukema, 1992a) and the bivalve Macoma balthica (Beukema et al, 1978;Dankers & Beukema, 1983).…”

Section: Introductionmentioning

confidence: 99%

Successive changes in distribution patterns as an adaptive strategy in the bivalveMacoma balthica (L.) in the Wadden sea

Beukema

1993

Helgolander Meeresunters

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During their first year in the Wadden Sea, high proportions of the tidal-flat populations of the telhnid bivalve Macoma balthica (L.) redistribute twice: immediately after their settlement in late spring, the postlarvae show a net transportation in a shoreward direction -whereas in the subsequent winter, the grown spat move in the reverse direction. As a consequence of these two periods of high mobihty, distribution patterns shift twice: though initial settlement takes place mainly in the lower half of the intertidal, most spat grow to a size of ~-0.5 cm in the upper half of it, whereas most adults live in the middle and lower zones. The successive distribution patterns of spat and older Macoma are described in detail for Balgzand, an extensive tidal-flat area in the westernmost part of the Wadden Sea. Long-term observations in this area and pubhshed evidence from other areas are used to evaluate the suitability of different tidal zones as a habitat for successive life stages of Macoma. For spat, the upper zone is a more favourable habitat than the lower, because predation pressure (mainly from shrimp) and disturbance are less and growth is more rapid. For adults, the upper parts are no longer a favourable habitat, because the few animals that stay suffer from high parasite load, low survival, slow growth and low reproductive output, tt is concluded that in their successive life stages the majority of M. balthica live at the intertidal level most favourable to them. The strategy of timely shifts tO areas more suitable to the next life stage contributes to the success of the species: it is the most widespread and common (and one of the most stable) macrozoobenthic species in the Wadden Sea.

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“…Adult lugworms are particularly abundant at levels around and below MTL (Beukema & De Vlas 1979, Farke et al 1979, Dankers & Beukema 1983, leaving only the upper intertidal levels free from intensive bioturbation. Due to their even distribution and constant presence at effective densities, they will exert a continuous pressure on Corophium spp.…”

Section: Discussionmentioning

confidence: 99%

Factors controlling the upper and lower limits of the intertidal distribution of two Corophium species in the Wadden Sea

Jj¹,

Flach²

1995

Mar. Ecol. Prog. Ser.

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On the tidal flats of the Dutch Wadden Sea, high densities of Corophium volutator (in silty areas) and of C. arenarium (in sandy areas) were limited to the upper parts of the intertidal zone. The upper limit was always situated close to the local level of high water at neap tides. After periods of hlgher-or lower-than-average water levels (caused by prevailing westerly or easterly winds, respectively), the zone of Corophium volutator distribution had shifted upward or downward, respectively. Conversely, the lower limits of high Corophium spp. densities did not show a consistent relation with intertidal level or duration of immersion but coincided with the upper level of hlgh ( > l 0 m-2) densities of adult lugworms Arenicola marina. In areas with sandy sedllnents (silt content < ca 15%), this limit was situated about halfway between mean high water and mean tlde level. In more muddy sediments, lugworms were scarce and high C. volutator densities extended to lower intertidal levels. It is concluded that zonation in the soft-bottom intertidal may generally be governed by the same processes as are prevalent in the rocky intertidal, viz. abiotic factors setting the upper limits and biotic interrelations setting the lower limits of species.

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Distribution of juvenile and adult arenicola marina on a tidal mud flat and the importance of nearshore areas for recruitment

Cited by 33 publications

References 10 publications

Sediment selection by juvenile Arenicola marina

Sediment selection by juvenile Arenicola marina

Successive changes in distribution patterns as an adaptive strategy in the bivalveMacoma balthica (L.) in the Wadden sea

Factors controlling the upper and lower limits of the intertidal distribution of two Corophium species in the Wadden Sea

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