Effects of the Ice Winter 1995/96

Günther, Carmen-Pia; Niesel, Verena

doi:10.1007/978-3-642-60097-5_7

Cited by 8 publications

(2 citation statements)

References 14 publications

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“…The L. conchilega population experienced dynamic changes between 1995 and 2000. It collapsed during the cold winter of 1995/1996(Gu Ènther and Niesel, 1999, but L. conchilega recolonised the site in summer 1996. In 1997, the population collapsed again, but recruitment thereafter led to densities up to 4000 L. conchilega m 22 in 2000.…”

Section: The Lanice Conchilega Populationmentioning

confidence: 99%

Long-term effects of imitation polychaete tubes on benthic fauna: they anchor Mytilus edulis (L.) banks

Callaway

2003

Journal of Experimental Marine Biology and Ecology

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Section: The Lanice Conchilega Populationmentioning

confidence: 99%

Long-term effects of imitation polychaete tubes on benthic fauna: they anchor Mytilus edulis (L.) banks

Callaway

2003

Journal of Experimental Marine Biology and Ecology

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“…1994), any such increase in the mortality of benthos may lead, especially during adverse weather events (Moverley et al . 1986; Günther & Niesel 1999), to increased mortality rates in non‐breeding shorebird populations (Goss‐Custard & Durell 1990; Camphuysen et al . 1996).…”

Section: Introductionmentioning

confidence: 99%

Potential interactions between humans and non‐breeding shorebirds on a subtropical intertidal flat

Zharikov¹,

Skilleter²

2004

Austral Ecology

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The primary aim of this study was to investigate whether bait harvesting, with all its inherent effects, occurring in the intertidal zone of a subtropical estuary, had an impact on a migratory shorebird, the eastern curlew Numenius madagascariensis . In a large-scale manipulative study (units of experiment were 1 ha plots), callianassid shrimp Trypaea australiensis populations were harvested simulating the technique (manual pumping) and the levels of harvesting intensity per unit area (347 shrimp per hectare per harvesting event) exhibited by bait-collectors in SE Australia and South Africa. It was found that at present levels of harvesting intensity per unit area (approximately 1% of standing stock removed per harvesting event) there is no threat to the stocks of Trypaea exploited by the curlews in Moreton Bay, Australia. However, the results show that the curlews themselves apply a considerable predation pressure on Trypaea . Based on the birds' foraging rates and densities, it was estimated that they would consume up to 100% of the initial Trypaea stock over the course of a non-breeding season (October to March). However, the stable seasonal trend in the density of the size-cohort of Trypaea preyed upon by the curlews indicates that the existing rates of predation are easily counterbalanced, e.g. through continuous density-dependent recruitment of these crustaceans. We suggest that this mechanism will provide for a stable foraging environment for both the shorebirds and bait collectors.

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Spatial and temporal distribution of macrofauna in the Otzumer Balje (East Frisian Wadden Sea, Germany)

Reiss

Kröncke

2001

Senckenbergiana maritima

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The spatiai and temporal distribution of the macrofauna in a subtidaI area of the East Frisian Wadden Sea (Otzumer Balje) was investigated. Grab samples were taken at 30 stations covering the whole tidal inlet area. Focusing on the seasonal variability sampling was carried out in March and September 1998 using a 0.1 m 2 van Veen grab.During the survey, a total of 108 macrobenthic speeies was recorded, dominated by polychaetes and crustaceans contributing 47 and 36 species, respectively. Highest mean species numbers and abundances were found in the deeper central inshore parts of the channel, whereas the lowest were found in the highly dynamic inlet region. With a mean of 3.2 g AFDW/m z the biomass of the subtidal macrofauna was relative]y Iow compared to the intertidal fauna.Multivariate data analysis (MDS and clusteranalysis) showed three distinct faunal assemblages:( The seasonal spatial community structure was more or less stable, whereas the seasonal variability in the species composition within the communities was high, due to recruitment and import processes during the summer.The community structure is discussed in terms of ecosystem properties such as sediment composition and hydrography.

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Effects of the Ice Winter 1995/96

Cited by 8 publications

References 14 publications

Long-term effects of imitation polychaete tubes on benthic fauna: they anchor Mytilus edulis (L.) banks

Long-term effects of imitation polychaete tubes on benthic fauna: they anchor Mytilus edulis (L.) banks

Potential interactions between humans and non‐breeding shorebirds on a subtropical intertidal flat

Spatial and temporal distribution of macrofauna in the Otzumer Balje (East Frisian Wadden Sea, Germany)

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