The Food of the Cormorant in the Netherlands

Dobben, W.H. van

doi:10.5253/arde.v40.p1

Cited by 58 publications

(47 citation statements)

References 29 publications

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“…Indeed, this area of research has expanded from classic studies such as those of van Dobben (van Dobben, 1952), showing that in the field, cormorants were more likely to capture Ligula-infected roach, and those of Bethel and Holmes (Bethel and Holmes, 1977) (and references therein) on acanthocephalans, gammarids and ducks in the laboratory. It now encompasses a wide range of parasites and intermediate hosts, and poses a wide variety of questions, many of which are addressed in this volume.…”

Section: Host Manipulation and Behaviormentioning

confidence: 99%

An overview of parasite-induced behavioral alterations – and some lessons from bats

Moore

2013

Journal of Experimental Biology

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SummaryAn animal with a parasite is not likely to behave like a similar animal without that parasite. This is a simple enough concept, one that is now widely recognized as true, but if we move beyond that statement, the light that it casts on behavior fades quickly: the world of parasites, hosts and behavior is shadowy, and boundaries are ill-defined. For instance, at first glance, the growing list of altered behaviors tells us very little about how those alterations happen, much less how they evolved. Some cases of parasiteinduced behavioral change are truly manipulative, with the parasite standing to benefit from the changed behavior. In other cases, the altered behavior has an almost curative, if not prophylactic, effect; in those cases, the host benefits. This paper will provide an overview of the conflicting (and coinciding) demands on parasite and host, using examples from a wide range of taxa and posing questions for the future. In particular, what does the larger world of animal behavior tell us about how to go about seeking insights -or at least, what not to do? By asking questions about the sensory-perceptual world of hosts, we can identify those associations that hold the greatest promise for neuroethological studies of parasite-induced behavioral alterations, and those studies can, in turn, help guide our understanding of how parasite-induced alterations evolved, and how they are maintained.

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Section: Host Manipulation and Behaviormentioning

confidence: 99%

An overview of parasite-induced behavioral alterations – and some lessons from bats

Moore

2013

Journal of Experimental Biology

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“…However, field studies have mentioned that fish harbouring plerocercoids of L. intestinalis experience an increased risk of being preyed upon by avian predators such as yellow herring gulls, Larus cachinnans (Harris & Wheeler 1974) and cormorants, Phalacrocorax carbo (Van Dobben 1952). These findings support the hypothesis that plerocercoids may alter the behaviour of fish in a way that favours its transmission to bird definitive hosts.…”

Section: Discussionmentioning

confidence: 66%

“…Among parasites, the nematodes and cestodes are probably the two groups able to alter host activity (Poulin 1994). For instance, the tapeworm, Lígula intestinalis, which has a complex life-cycle with three distinct hosts necessary for its complete development, increases the vulnerability of its intermediate fish host to prédation by piscivorous birds by altering fish behaviour and by the severe pathological effects it can inflict (Van Dobben 1952, Wilson 1971, Holmes & Bethel 1972, Harris & Wheeler 1974, Sweeting 1976). In addition, these pseudophyllidean tapeworm systems are remarkable in that the effects of plerocercoid infections may considerably modify host phenotypes.…”

Section: Introductionmentioning

confidence: 99%

Parasite-induced mortality in three host populations of the roachRutilus rutilus(L.) by the tapewormLigula intestinalis(L.)

Loot

Lek

Dejean

et al. 2001

Ann. Limnol. - Int. J. Lim.

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Patterns of parasite infestation by plerocercoid forms of the tapeworm Ligula intestinalis (Cestoda, Pseudophyllidea) in the second intermediate host, the roach Rutilus rutilus, were analysed in three fish populations of South-Western France during 1998. In all three studied sites, i.e. Pareloup Lake, Lavernose-Lacasse and Muret gravel pits, roach were commonly parasitized with plerocercoids. A strong increase in prevalence, mean number of parasites and parasitic load was observed in the youngest hosts with a maximum peak reached in the medium-age (2+, 3+)roach classes. Such trends as a function of host fish age would indicate the occurrence of parasite-induced host mortality, with the most heavily infected fish specimens being removed from the three roach populations. The three roach populations infected by L. intestinalis exhibit different patterns of parasite-induced mortality which could correspond to different possible ecological and evolutionary responses associated with local variation in host-parasite interactions. The parasite-induced host mortality observed, i.e. direct mortality caused by pathogenic effects and /or enhanced fish prédation by piscivorous birds to increase parasitic transmission is discussed within the context of the adaptative parasite-induced manipulation hypothesis. Mortalité induite dans trois populations de gardons hôtes

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“…Among the species eaten only sporadically by cormorants are pike, whitefish and vendace (Wziątek et al, 2005). Another important aspect of the cormorant's role in the environment is its sanitary effect on the fish population; removing the individuals infected with parasites (van Dobben, 1952;Mellin, 1990;Barber, 2003), which account for an increasing portion of the population as the eutrophication process progresses (Prejs, 1978;Dzika, 2003). On the other hand, the cormorant is a highly "attractive" definitive host for many parasites: due to its mobility between water reservoirs on different continents it can contribute to their widespread propagation (Barber, 2003).…”

Section: Discussionmentioning

confidence: 99%

The tapeworm Paradilepis scolecina (Rudolphi, 1819) (Cestoda: Cyclophyllidea) invasion in Great Cormorant [Phalacrocorax carbo sinensis (Blumenbach, 1798)] from the breeding colony in Lake Selment Wielki (northern Poland)

Dziekońska-Rynko

Dzika

2011

Helminthologia

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The intensity and extensity of infestation of cormorants (Phalacocorax carbo sinensis) from a colony in Lake Selment Wielki with the tapeworm Paradilepis scolecina (Rudolphi, 1819) was examined. The cormorants were shot in April, August and October 2006 and in August and September 2007. The extensity of infection in all the cormorants under study was very high — even reaching 100 %. The highest intensity of infestation was found in the birds shot in August — 4697 tapeworms per bird in 2006 and 2562 in 2007. The intensity of infestation in the birds which were shot in autumn was less than one-tenth of that found in the birds shot in summer. The lowest intensity of infestation was found in the spring of 2006 — 61 tapeworms per bird.

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The Food of the Cormorant in the Netherlands

Cited by 58 publications

References 29 publications

An overview of parasite-induced behavioral alterations – and some lessons from bats

An overview of parasite-induced behavioral alterations – and some lessons from bats

Parasite-induced mortality in three host populations of the roachRutilus rutilus(L.) by the tapewormLigula intestinalis(L.)

The tapeworm Paradilepis scolecina (Rudolphi, 1819) (Cestoda: Cyclophyllidea) invasion in Great Cormorant [Phalacrocorax carbo sinensis (Blumenbach, 1798)] from the breeding colony in Lake Selment Wielki (northern Poland)

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