Turbidity characterizes the reproduction areas of pikeperch (Sander lucioperca (L.)) in the northern Baltic Sea

Veneranta, Lari; Urho, Lauri; Lappalainen, Antti; Kallasvuo, Meri

doi:10.1016/j.ecss.2011.08.032

Cited by 33 publications

(38 citation statements)

References 27 publications

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“…Males reach the maturity younger and at smaller size than females Ozyurt et al 2011). Spawning takes place in May-June in warm, shallow areas with low salinity and high turbidity (Lehtonen et al 1996;Veneranta et al 2011). There is a lot of evidence on that larger and thus older females in many fish species have better spawning success than the younger ones (Berkeley et al 2004;Olin et al 2012).…”

Section: Introductionmentioning

confidence: 99%

“…There is a lot of evidence on that larger and thus older females in many fish species have better spawning success than the younger ones (Berkeley et al 2004;Olin et al 2012). Because the year classes of pikeperch are stronger in warm summers (Kjellman et al 2003;Pekcan-Hekim et al 2011) and pikeperch prefer turbid water (Veneranta et al 2011), they are generally expected to benefit from eutrophication and rising sea temperatures (Lehtonen et al 1996;PekcanHekim et al 2011;Veneranta et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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Pikeperch (Sander lucioperca (L.)) in Decline: High Mortality of Three Populations in the Northern Baltic Sea

Mustamäki

Bergström

Ådjers³

et al. 2013

AMBIO

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The development of three pikeperch (Sander lucioperca (L.)) populations in the northern Baltic Sea was monitored using standardized multimesh gillnets in [1995][1996][1997][1998][1999][2000][2001][2002][2003][2004][2005][2006][2007][2008][2009]. Declining trends in the abundances of pikeperch over 40 cm total length, low numbers of individuals older than 6 years, and high mortality rates were observed in all three populations. In the site with the largest commercial catches per unit area and a rapidly increased colony of great cormorants (Phalacrocorax carbo sinensis Blumenbach 1798), also the abundance of pikeperch below 40 cm total length and year-class strength showed declining trends. The adverse population level changes did not correlate with changes in water quality or eutrophication status. Together, the results suggest that in all study sites fisheries are harvesting a large proportion of the pikeperch soon after or even before reaching the maturity, and that predation from great cormorants may increase mortality of juveniles. Pikeperch is important not only for fisheries but also for ecosystem functioning, and our results point at the need for further management measures to ensure viable populations in the areas studied.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pikeperch (Sander lucioperca (L.)) in Decline: High Mortality of Three Populations in the Northern Baltic Sea

Mustamäki

Bergström

Ådjers³

et al. 2013

AMBIO

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“…Pike perch is one of the Baltic Sea's main pelagic predators and of great importance economically and recreationally (Veneranta et al 2011). Pike perch propagation is governed by water temperature and turbidity, and it benefits of muddy water and sandy bottoms.…”

Section: Important and Key Species And Habitatsmentioning

confidence: 99%

“…Pike perch (Sander lucioperca) is one of the Baltic Sea's main pelagic predators, with high recreational value (Veneranta et al, 2011) and of great economic importance. Local food and farming products in Lumparn are also very important for the livelihoods of local producers.…”

Section: Provisioning Servicesmentioning

confidence: 99%

Biodiversity and ecosystem services in Nordic coastal ecosystems

Berglund¹,

Boström²,

Clausen³

et al. 2018

TemaNord

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“…Within VELMU, new field survey and mapping methods have been developed and tested and these approaches have resulted in modelled distribution maps of key reproduction habitats for the most important coastal fish species (Fig. 4, HELCOM 2012, see also Veneranta et al 2011). These maps serve as basic references and allow visual and numerical comparisons of coastal areas.…”

Section: Case Studiesmentioning

confidence: 99%

Essential fish habitats (EFH)

Kraufvelin¹,

Pekcan‐Hekim²,

Bergström³

et al. 2016

TemaNord

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Essential fish habitats (EFH)Conclusions from a workshop on the importance, mapping, monitoring, threats and conservation of coastal EFH in the Baltic Sea Patrik Kraufvelin, Ulf Bergström, Annukka Lehikoinen, This publication has been published with financial support by the Nordic Council of Ministers. However, the contents of this publication do not necessarily reflect the views, policies or recommendations of the Nordic Council of Ministers. www.norden.org/nordpubNordic co-operation Nordic co-operation is one of the world's most extensive forms of regional collaboration, involving Denmark, Finland, Iceland, Norway, Sweden, and the Faroe Islands, Greenland, and Åland.Nordic co-operation has firm traditions in politics, the economy, and culture. It plays an important role in European and international collaboration, and aims at creating a strong Nordic community in a strong Europe.Nordic co-operation seeks to safeguard Nordic and regional interests and principles in the global community. Common Nordic values help the region solidify its position as one of the world's most innovative and competitive. Nordic Council of Ministers PrefaceMany coastal and offshore fish species in the Baltic Sea are strongly dependent on shallow and sheltered near-shore habitats for their spawning, nursery, feeding and migration. Still, the role of these essential fish habitats, EFH, for the development and support of fish stocks and communities has received relatively little attention. As EFH in the Baltic often are found in the same parts of the coastal zone that are highly utilized and valued by humans, they are subjected to many threats and therefore management needs are urgent. In addition, EFH provide and support important ecosystem services and are included in national and international agreements and legislative acts as the Baltic Sea Action Plan, Habitats Directive and Marine Strategy Framework Directive. Despite this, the conservation status of EFH is generally poor in the region. As a result of these shortcomings and needs, the Nordic Council of Ministers financed a project including a workshop with Baltic Sea experts with the aim to review the importance of, protection of and threats to coastal EFH in the Baltic Sea. This report describes the results of the project, primarily focusing on the outcome of the workshop. SummaryMany fish species in the Baltic Sea are highly dependent on shallow and sheltered coastal habitats that they use for spawning, nursery, feeding and migration. Still, the role of these essential fish habitats (EFH) for the development and support of fish stocks and communities has received relatively little attention, even though there is general consensus among scientists about their critical importance. Little is also known about the major threats to EFH, and their conservation status in different countries has previously not been reviewed. As EFH often are found in the same parts of the coastal zone that are also highly valued by humans, this gap in knowledge needs to be addressed. Hence, there is an...

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Turbidity characterizes the reproduction areas of pikeperch (Sander lucioperca (L.)) in the northern Baltic Sea

Cited by 33 publications

References 27 publications

Pikeperch (Sander lucioperca (L.)) in Decline: High Mortality of Three Populations in the Northern Baltic Sea

Pikeperch (Sander lucioperca (L.)) in Decline: High Mortality of Three Populations in the Northern Baltic Sea

Biodiversity and ecosystem services in Nordic coastal ecosystems

Essential fish habitats (EFH)

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