Robert Poulin

Summary

Affiliation: University of Otago
Country: New Zealand

Publications

  1. ncbi request reprint Larval helminths in intermediate hosts: does competition early in life determine the fitness of adult parasites?
    B L Fredensborg
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 35:1061-70. 2005
  2. ncbi request reprint Evolution of host specificity in fleas: is it directional and irreversible?
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 36:185-91. 2006
  3. ncbi request reprint The structure of parasite communities in fish hosts: ecology meets geography and climate
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parassitologia 49:169-72. 2007
  4. doi request reprint Species abundance distributions and numerical dominance in gastrointestinal helminth communities of fish hosts
    R Poulin
    Department of Zoology, University of Otago, Dunedin 9054, New Zealand
    J Helminthol 82:193-202. 2008
  5. ncbi request reprint The relationship between specialization and local abundance: the case of helminth parasites of birds
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Oecologia 140:372-8. 2004
  6. ncbi request reprint Information about transmission opportunities triggers a life-history switch in a parasite
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Evolution 57:2899-903. 2003
  7. doi request reprint Morphological diversification in different trematode lineages: body size, host type, or time?
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 136:85-92. 2009
  8. ncbi request reprint A general test of the interactive-isolationist continuum in gastrointestinal parasite communities of fish
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 33:1623-30. 2003
  9. ncbi request reprint Character combinations, convergence and diversification in ectoparasitic arthropods
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 39:1165-71. 2009
  10. ncbi request reprint The relationship between species richness and productivity in metazoan parasite communities
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Oecologia 137:277-85. 2003

Detail Information

Publications133 found, 100 shown here

  1. ncbi request reprint Larval helminths in intermediate hosts: does competition early in life determine the fitness of adult parasites?
    B L Fredensborg
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 35:1061-70. 2005
    ..Our results thus indicate that the infracommunity of larval helminths in their intermediate host is interactive and that any density-dependent effect in the intermediate host may have lasting effects on individual parasite fitness...
  2. ncbi request reprint Evolution of host specificity in fleas: is it directional and irreversible?
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 36:185-91. 2006
    ..Still, these results suggest that host specificity may have tended to decrease in many flea lineages, a process that could have been driven by the benefits of exploiting a wide range of host species...
  3. ncbi request reprint The structure of parasite communities in fish hosts: ecology meets geography and climate
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parassitologia 49:169-72. 2007
    ..The time has come to transform fish parasite ecology from a mostly descriptive discipline into a predictive science, capable of integrating complex ecological data to generate forecasts about the future state of host-parasite systems...
  4. doi request reprint Species abundance distributions and numerical dominance in gastrointestinal helminth communities of fish hosts
    R Poulin
    Department of Zoology, University of Otago, Dunedin 9054, New Zealand
    J Helminthol 82:193-202. 2008
    ..These findings suggest that strong interactions may lead to greater evenness in the abundance of species, and that numerical dominance is more likely to result from interspecific differences in recruitment rates...
  5. ncbi request reprint The relationship between specialization and local abundance: the case of helminth parasites of birds
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Oecologia 140:372-8. 2004
    ....
  6. ncbi request reprint Information about transmission opportunities triggers a life-history switch in a parasite
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Evolution 57:2899-903. 2003
    ....
  7. doi request reprint Morphological diversification in different trematode lineages: body size, host type, or time?
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 136:85-92. 2009
    ..The fact that the evolution of the body plan is more conservative than that of body size suggests that the range of morphologies that can evolve in trematodes is constrained...
  8. ncbi request reprint A general test of the interactive-isolationist continuum in gastrointestinal parasite communities of fish
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 33:1623-30. 2003
    ..The use of the index in comparative studies may help in determining whether interactive helminth communities are, as widely believed, more common in endothermic vertebrate hosts than in fish hosts...
  9. ncbi request reprint Character combinations, convergence and diversification in ectoparasitic arthropods
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 39:1165-71. 2009
    ..These findings indicate that particular species characters may be evolutionary drivers of diversity, whose effects could also apply in other taxa...
  10. ncbi request reprint The relationship between species richness and productivity in metazoan parasite communities
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Oecologia 137:277-85. 2003
    ..If the number of parasite species exploiting a host population is not regulated by processes arising from within the parasite community, external factors such as host characteristics may be the main determinants of parasite diversity...
  11. doi request reprint The selection of experimental doses and their importance for parasite success in metacercarial infection studies
    R Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Parasitology 137:889-98. 2010
    ..The present findings suggest that the design of experimental infection studies requires greater consideration if their results are to yield useful biological insights...
  12. doi request reprint Network analysis shining light on parasite ecology and diversity
    Robert Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Trends Parasitol 26:492-8. 2010
    ..It also summarizes the first findings to emerge from network analyses of host-parasite interactions and identifies promising future directions made possible by this approach...
  13. ncbi request reprint A comparative analysis of adult body size and its correlates in acanthocephalan parasites
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 33:799-805. 2003
    ..These relationships also suggest that adult size is to some extent determined by cystacanth size, and that the characteristics of the definitive host are not the sole determinants of parasite life history traits...
  14. ncbi request reprint Parasite specialization from a phylogenetic perspective: a new index of host specificity
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Parasitology 126:473-80. 2003
    ..We recommend the use of our new index in future comparative studies of host specificity, in particular when the focus is on the evolutionary history of parasites and of their past colonizations of host lineages...
  15. doi request reprint Linking species abundance distributions and body size in monogenean communities
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitol Res 103:187-93. 2008
    ....
  16. doi request reprint Spatial scaling laws do not structure strongyloid nematode communities in macropodid hosts
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Int J Parasitol 38:1171-7. 2008
    ..Nematode body size may thus determine the abundance achieved by a species but not how many species can coexist; the limiting similarity between coexisting species must depend on other biological traits...
  17. ncbi request reprint Combining phylogenetic and ecological information into a new index of host specificity
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    J Parasitol 91:511-4. 2005
    ....
  18. ncbi request reprint Global warming and temperature-mediated increases in cercarial emergence in trematode parasites
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Parasitology 132:143-51. 2006
    ....
  19. ncbi request reprint Detection of interspecific competition in parasite communities
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    J Parasitol 91:1232-5. 2005
    ..This has important but previously overlooked implications for the interpretation of correlation coefficients, and the detection of competition in natural parasite communities...
  20. ncbi request reprint Variation in infection parameters among populations within parasite species: intrinsic properties versus local factors
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 36:877-85. 2006
    ..This conclusion supports the view that the biological features of parasite species can potentially override local environmental conditions in driving parasite population dynamics...
  21. ncbi request reprint Host specificity and the probability of discovering species of helminth parasites
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Parasitology 130:709-15. 2005
    ..Our results demonstrate that the parasite species known at any given point in time are not a random subset of existing species, but rather a biased subset with respect to the parasites' biological properties...
  22. ncbi request reprint Climate change, parasitism and the structure of intertidal ecosystems
    R Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Helminthol 80:183-91. 2006
    ....
  23. ncbi request reprint The scaling of total parasite biomass with host body mass
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Int J Parasitol 37:359-64. 2007
    ..75, suggests that parasites are not like host tissues: they are able to appropriate more host resources than expected from metabolically derived host growth rates...
  24. ncbi request reprint Are there general laws in parasite ecology?
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 134:763-76. 2007
    ..e. the parasite community level, appear highly contingent and far from universal. The general laws uncovered to date are proving valuable, as they offer glimpses of the underlying processes shaping parasite ecology and diversity...
  25. ncbi request reprint The true cost of host manipulation by parasites
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Behav Processes 68:241-4. 2005
  26. ncbi request reprint Relative infection levels and taxonomic distances among the host species used by a parasite: insights into parasite specialization
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 130:109-15. 2005
    ..Although the results are based on a limited number of parasite taxa, they suggest that parasites may be opportunistic in their colonization of new hosts, and not severely constrained by evolutionary baggage...
  27. ncbi request reprint Host specificity under molecular and experimental scrutiny
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
    Trends Parasitol 24:24-8. 2008
    ..Here, the prospects offered by both approaches, as well as their limitations, are highlighted...
  28. doi request reprint Interaction frequency across the geographical range as a determinant of host specialisation in generalist fleas
    Robert Poulin
    Department of Zoology, University of Otago, Dunedin 9054, New Zealand
    Int J Parasitol 38:989-97. 2008
    ..Interaction frequency may be a key determinant of specialisation and abundance in host-parasite systems...
  29. ncbi request reprint Effects of conspecifics and heterospecifics on individual worm mass in four helminth species parasitic in fish
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Parasitol Res 90:143-7. 2003
    ..truncatus than the mass of any other species taken on its own. These results illustrate the importance of considering helminth interactions and helminth growth in a natural setting...
  30. ncbi request reprint Host sharing and host manipulation by larval helminths in shore crabs: cooperation or conflict?
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 33:425-33. 2003
    ....
  31. doi request reprint Taxonomic resolution in parasite community studies: are things getting worse?
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 137:1967-73. 2010
    ..The loss of expertize in parasite taxonomy happening worldwide is one possible explanation. This downward trend needs to be reversed if we are to monitor new parasite occurrences in the face of environmental changes...
  32. ncbi request reprint Interactions between species and the structure of helminth communities
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 122:S3-11. 2001
    ..The present evidence suggests that the role of species interactions in helminth community structure is often negligible, but that it must always be evaluated on a case-by-case basis...
  33. ncbi request reprint Non-random patterns of host use by the different parasite species exploiting a cockle population
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 121:289-95. 2000
    ..These results show that different parasite species do not use cockles in a random fashion, and that not all patterns of host use are consistent with shared or conflicting interests among parasites...
  34. ncbi request reprint Nestedness, anti-nestedness, and the relationship between prevalence and intensity in ectoparasite assemblages of marine fish: a spatial model of species coexistence
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 30:1147-52. 2000
    ..The continuum between nestedness and anti-nestedness also has implications for recent models of species coexistence in communities...
  35. ncbi request reprint The diversity of parasites
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Q Rev Biol 75:277-93. 2000
    ..A better integration of ecological and historical (or phylogenetic) approaches to the study of parasite diversity should make this objective possible...
  36. ncbi request reprint Metazoan parasite species richness and genetic variation among freshwater fish species: cause or consequence?
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 30:697-703. 2000
    ..Instead, it suggests that parasites may be colonising host species showing low levels of genetic variation with greater success than genetically more variable host species...
  37. pmc Manipulation of host behaviour by parasites: a weakening paradigm?
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Proc Biol Sci 267:787-92. 2000
    ..These results have several possible explanations, but tend to suggest biases with regard to what results are published through time as accepted paradigms changed...
  38. ncbi request reprint Geographical distances and the similarity among parasite communities of conspecific host populations
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 119:369-74. 1999
    ..These examples demonstrate the pervasive influence of distances among host populations on their parasite communities, and the need to properly control for them in statistical analyses...
  39. ncbi request reprint The functional importance of parasites in animal communities: many roles at many levels?
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Int J Parasitol 29:903-14. 1999
    ..Future community studies addressing the many potential influences of parasites will no doubt identify other functionally important parasite species that serve to maintain biodiversity...
  40. ncbi request reprint Phenotypic variability induced by parasites:
    R Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Parasitol Today 15:28-32. 1999
    ..Here, Robert Poulin and Frederic Thomas review the types of host traits that are modified by parasites, then explore some of the ..
  41. ncbi request reprint Parasite faunas of freshwater fish: the relationship between richness and the specificity of parasites
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Int J Parasitol 27:1091-8. 1997
    ..The general trend observed in non-salmonid fish suggests that parasite colonization and speciation may have been facilitated in some fish species, but not in others...
  42. ncbi request reprint Parasite body size distributions: interpreting patterns of skewness
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Int J Parasitol 27:959-64. 1997
    ..Severe space constraints and a greater diversity of small niches may only allow the diversification of small endoparasites, whereas ectoparasite body sizes may face less severe limitations...
  43. ncbi request reprint Egg production in adult trematodes: adaptation or constraint?
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 114:195-204. 1997
    ..The similarity in life-history traits among members of given clades suggests that phylogenetic constraints may have acted to limit or mask any adaptive changes expected from changes in host-related or environmental conditions...
  44. ncbi request reprint Helminth growth in vertebrate hosts: does host sex matter?
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Int J Parasitol 26:1311-5. 1996
    ..The meta-analysis suggests that male hosts harbour not only more helminths than females, but also slightly larger ones...
  45. ncbi request reprint Nested assemblages resulting from host size variation: the case of endoparasite communities in fish hosts
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 31:1194-204. 2001
    ..Thus, nestedness in parasite communities may result from processes somewhat different from those generating nested patterns in free-living communities...
  46. ncbi request reprint Interspecific associations among larval helminths in fish
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 31:1589-96. 2001
    ..The results suggest that assemblages of larval helminth parasites in fish are not random collections of locally available species, but rather structured packets of larval parasites that travel together along common transmission routes...
  47. ncbi request reprint The predictability of helminth community structure in space: a comparison of fish populations from adjacent lakes
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 32:1235-43. 2002
    ..There may be some general, large-scale processes acting to structure helminth communities, but local or seasonal influences can often either mask their action, or play more important roles themselves...
  48. doi request reprint Latitudinal gradient in the taxonomic composition of parasite communities
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    J Helminthol 85:228-33. 2011
    ....
  49. ncbi request reprint Inequalities in size and intensity-dependent growth in a mermithid nematode parasitic in beach hoppers
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    J Helminthol 76:65-70. 2002
    ..The main consequence of this phenomenon is that worm sizes in the mermithid population are more homogeneous than they would be if intraspecific competition had stronger effects on worm growth...
  50. doi request reprint Decay of similarity with host phylogenetic distance in parasite faunas
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 137:733-41. 2010
    ..The results show that similarity in species composition decreases, though weakly, with increasing distance in the same manner in phylogenetic space as it does in geographical space...
  51. ncbi request reprint Trematode life cycles: short is sweet?
    Robert Poulin
    Dept of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Trends Parasitol 18:176-83. 2002
    ..The study of shorter life cycles offers an opportunity to understand the forces shaping the evolution of life cycles in general...
  52. ncbi request reprint The evolution of monogenean diversity
    Robert Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Int J Parasitol 32:245-54. 2002
    ..The phylogenetic analytical framework adopted here should allow these questions to be tackled once the necessary data become available...
  53. ncbi request reprint Qualitative and quantitative aspects of recent research on helminth parasites
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Helminthol 76:373-6. 2002
    ..These results suggest that there is an increasing gap in the quantity and general importance of the research carried out on different helminth taxa...
  54. pmc Uneven distribution of cryptic diversity among higher taxa of parasitic worms
    Robert Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Biol Lett 7:241-4. 2011
    ..The available data suggest that current estimates of helminth diversity may need to be doubled (tripled for trematodes) to better reflect extant diversity...
  55. ncbi request reprint Progenesis and reduced virulence as an alternative transmission strategy in a parasitic trematode
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 123:623-30. 2001
    ....
  56. ncbi request reprint Alternative life-history and transmission strategies in a parasite: first come, first served?
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Parasitology 132:135-41. 2006
    ..In this system, the site of encystment within the fish host both promotes and constrains the adoption of a facultative, truncated life-cycle by the parasite...
  57. doi request reprint Body size, trophic level, and the use of fish as transmission routes by parasites
    R Poulin
    Department of Zoology, University of Otago, P O Box 56, Dunedin, 9054, New Zealand
    Oecologia 166:731-8. 2011
    ....
  58. doi request reprint Encystment site affects the reproductive strategy of a progenetic trematode in its fish intermediate host: is host spawning an exit for parasite eggs?
    Kristin K Herrmann
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 138:1183-92. 2011
    ..Host spawning events are likely to be an avenue of egg dispersal for this progenetic species, with the adoption of progenesis being conditional on whether or not the parasite can benefit from fish spawning...
  59. ncbi request reprint Functional richness, functional evenness, and use of niche space in parasite communities
    Devon B Keeney
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    J Parasitol 93:216-9. 2007
    ..The indices presented here capture essential features of resource use in parasite communities, and can be useful tools for comparative analyses...
  60. ncbi request reprint Clonal diversity of the marine trematode Maritrema novaezealandensis within intermediate hosts: the molecular ecology of parasite life cycles
    Devon B Keeney
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Mol Ecol 16:431-9. 2007
    ..The presence of a large number of infected snails and tidal mixing of cercariae prior to infection results in crabs potentially harbouring hundreds of parasite genotypes despite the crabs' territorial behaviour...
  61. doi request reprint Effects of clonality in multiple infections on the life-history strategy of the trematode Coitocaecum parvum in its amphipod intermediate host
    Clément Lagrue
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Evolution 63:1417-26. 2009
    ..Our results suggest that the dynamics of competition between coinfecting parasites, although influenced by numerous external factors, is also modulated by genetic relatedness among parasites...
  62. doi request reprint Host partitioning by parasites in an intertidal crustacean community
    Anson V Koehler
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    J Parasitol 96:862-8. 2010
    ..in A. crassa. Overall, the different parasite species make different use of available crustacean intermediate hosts and possibly contribute to intertidal community structure...
  63. doi request reprint Intra- and interspecific competition among helminth parasites: effects on Coitocaecum parvum life history strategy, size and fecundity
    Clément Lagrue
    Department of Zoology, University of Otago, 340 Great King Street, P O Box 56, Dunedin 9054, New Zealand
    Int J Parasitol 38:1435-44. 2008
    ..These results show that the life history strategy adopted by a parasite may be influenced by other parasites sharing the same host...
  64. doi request reprint Accumulation of diverse parasite genotypes within the bivalve second intermediate host of the digenean Gymnophallus sp
    Tommy L F Leung
    Department of Zoology, University of Otago, Otago, New Zealand
    Int J Parasitol 39:327-31. 2009
    ..The results also support the role of the second intermediate host as an accumulator of genetic diversity in the trematode life cycle...
  65. ncbi request reprint Equal partnership: two trematode species, not one, manipulate the burrowing behaviour of the New Zealand cockle, Austrovenus stutchburyi
    C Babirat
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Helminthol 78:195-9. 2004
    ..Results indicate that these two species are ecological equivalents, and their combined numbers determine how the cockle population is affected...
  66. ncbi request reprint Alternative reproductive strategies in the progenetic trematode Coitocaecum parvum: comparison of selfing and mating worms
    François Lefebvre
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Parasitol 91:93-8. 2005
    ....
  67. ncbi request reprint Spatial covariation between infection levels and intermediate host densities in two trematode species
    E K Hansen
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Helminthol 80:255-9. 2006
    ..Overall, the results suggest that, at least for Microphallus, local infection levels depend on local intermediate host densities...
  68. ncbi request reprint The mud flat anemone-cockle association: mutualism in the intertidal zone?
    Kim N Mouritsen
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Oecologia 135:131-7. 2003
    ..The results suggest that the anemone-cockle symbiosis is a non-obligate mutualistic relationship in which the former is provided with a suitable substrate for attachment whereas the latter obtains protection against parasitic infections...
  69. ncbi request reprint Effects of the trematode Maritrema novaezealandensis on the behaviour of its amphipod host: adaptive or not?
    T L F Leung
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Helminthol 80:271-5. 2006
    ..novizealandiae infected with M. novaezealandensis is most likely due to pathology caused by the parasite rather than a case of active, and adaptive, behavioural manipulation...
  70. ncbi request reprint Parasitism, community structure and biodiversity in intertidal ecosystems
    K N Mouritsen
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 124:S101-17. 2002
    ....
  71. ncbi request reprint Diversity of trematode genetic clones within amphipods and the timing of same-clone infections
    Devon B Keeney
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Int J Parasitol 37:351-7. 2007
    ....
  72. ncbi request reprint Recruitment rate of gymnophallid metacercariae in the New Zealand cockle Austrovenus stutchburyi: an experimental test of the hitch-hiking hypothesis
    Tommy L F Leung
    Department of Zoology, University of Otago, P O Box 56, Dunedin, 9054, New Zealand
    Parasitol Res 101:281-7. 2007
    ..Possible alternative reasons for the pattern of positive association between the gymnophallid and the echinostomes are proposed...
  73. ncbi request reprint Host specificity and molecular phylogeny of larval Digenea isolated from New Zealand and Australian topshells (Gastropoda: Trochidae)
    Kirsten M Donald
    Allan Wilson Centre for Molecular Ecology and Evolution, University of Otago, P O Box 56, Great King Street, Dunedin, New Zealand
    Int J Parasitol 34:557-68. 2004
    ..Our results shed light on the conditions that may favour switching among intermediate hosts in digeneans, and on the presence/absence of host specificity in these parasites...
  74. doi request reprint The use of fluorescent fatty acid analogs as labels in trematode experimental infections
    Devon B Keeney
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Exp Parasitol 120:15-20. 2008
    ..This method should be extremely useful for experimental studies using trematode-host systems as models for addressing a range of ecological and evolutionary questions...
  75. ncbi request reprint Co-occurrences of parasite clones and altered host phenotype in a snail-trematode system
    Clément Lagrue
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Int J Parasitol 37:1459-67. 2007
    ....
  76. pmc The comparative ecology and biogeography of parasites
    Robert Poulin
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Philos Trans R Soc Lond B Biol Sci 366:2379-90. 2011
    ..These findings illustrate the ways in which phylogenetically based comparative methods can contribute to biogeographic research...
  77. doi request reprint Distance decay of similarity among parasite communities of three marine invertebrate hosts
    David W Thieltges
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Oecologia 160:163-73. 2009
    ....
  78. doi request reprint Size-dependent pattern of metacercariae accumulation in Macomona liliana: the threshold for infection in a dead-end host
    Tommy L F Leung
    Department of Zoology, University of Otago, Dunedin, 9054, New Zealand
    Parasitol Res 104:177-80. 2008
    ..liliana. However, due to the low infection intensity and population density of M. liliana, its overall impact as a sink for echinostome populations in the ecosystem is probably negligible...
  79. ncbi request reprint Parasite-induced trophic facilitation exploited by a non-host predator: a manipulator's nightmare
    Kim N Mouritsen
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    Int J Parasitol 33:1043-50. 2003
    ..Both these feeding behaviours of birds are known to occur in the field...
  80. doi request reprint Host specificity in phylogenetic and geographic space
    Robert Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Trends Parasitol 27:355-61. 2011
    ....
  81. doi request reprint Introduced brown trout alter native acanthocephalan infections in native fish
    Rachel A Paterson
    Department of Zoology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
    J Anim Ecol 80:990-8. 2011
    ..Hence, trout presence may instead reduce parasite burdens in galaxias by either reducing galaxias density or by altering galaxias foraging behaviour...
  82. doi request reprint Life cycle truncation in a trematode: does higher temperature indicate shorter host longevity?
    Kristin K Herrmann
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Int J Parasitol 41:697-704. 2011
    ..These findings highlight the often unrecognised plasticity in parasite developmental and transmission strategies...
  83. doi request reprint Manipulative parasites in the world of veterinary science: implications for epidemiology and pathology
    Clément Lagrue
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Vet J 184:9-13. 2010
    ..This review uses several well-known pathogens to demonstrate how host manipulation by parasites is potentially important in epidemiology...
  84. doi request reprint Determinants and consequences of interspecific body size variation in tetraphyllidean tapeworms
    Haseeb Sajjad Randhawa
    Department of Zoology, University of Otago, Dunedin 9054, New Zealand
    Oecologia 161:759-69. 2009
    ..Consequently, a trade-off between size and numbers is possibly imposed by external forces influencing host size, hence limiting physical space or other resources available to the parasites...
  85. ncbi request reprint Life cycle abbreviation in trematode parasites and the developmental time hypothesis: is the clock ticking?
    C Lagrue
    Department of Zoology, University of Otago, Dunedin, New Zealand
    J Evol Biol 22:1727-38. 2009
    ....
  86. ncbi request reprint Causes of intraspecific variation in body size among trematode metacercariae
    I Saldanha
    Department of Zoology, University of Otago, Dunedin 9054, New Zealand
    J Helminthol 83:289-93. 2009
    ..The combination of aggregation and intensity-dependent growth generates inequalities in sizes among metacercariae that will be passed on to adult worm populations in definitive hosts...
  87. doi request reprint Effects of interspecific competition on asexual proliferation and clonal genetic diversity in larval trematode infections of snails
    D B Keeney
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 135:741-7. 2008
    ....
  88. ncbi request reprint Parasite-induced surfacing in the cockle Austrovenus stuchburyi: adaptation or not?
    D M Tompkins
    Department of Zoology, University of Otago, Dunedin, New Zealand
    J Evol Biol 17:247-56. 2004
    ....
  89. doi request reprint Lack of seasonal variation in the life-history strategies of the trematode Coitocaecum parvum: no apparent environmental effect
    C Lagrue
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 135:1243-51. 2008
    ..It is possible that the parasite's natural environment contains so many layers of heterogeneity that C. parvum does not possess the ability to adjust its life-history strategy to accurately match the current conditions...
  90. doi request reprint Heritability and short-term effects of inbreeding in the progenetic trematode Coitocaecum parvum: is there a need for the definitive host?
    C Lagrue
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 136:231-40. 2009
    ..Inbreeding depression is unlikely to be a factor acting on the maintenance of the normal three-host life cycle, and thus out-crossing, in C. parvum populations...
  91. doi request reprint The role of biotic factors in the transmission of free-living endohelminth stages
    D W Thieltges
    Department of Zoology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
    Parasitology 135:407-26. 2008
    ....
  92. ncbi request reprint Interactions between parasites of the cockle Austrovenus stutchburyi: hitch-hikers, resident-cleaners, and habitat-facilitators
    T L F Leung
    Department of Zoology, University of Otago, P O Box 56, Dunedin 9054, New Zealand
    Parasitology 134:247-55. 2007
    ..Thus, both active hitch-hiking and incidental facilitation lead to non-random infection patterns in this parasite community...
  93. ncbi request reprint Salinity gradient shapes distance decay of similarity among parasite communities in three marine fishes
    D W Thieltges
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    J Fish Biol 76:1806-14. 2010
    ..The results suggest that environmental gradients like salinity can be strong driving forces behind patterns of distance decay in parasite communities of fishes...
  94. doi request reprint Evolution of interspecific variation in size of attachment structures in the large tapeworm genus Acanthobothrium (Tetraphyllidea: Onchobothriidae)
    H S Randhawa
    Department of Zoology, University of Otago, PO 56, Dunedin, New Zealand
    Parasitology 137:1707-20. 2010
    ..Acanthobothrium species have evolved a generalized mode of attachment that is successful in maintaining their position on various intestinal mucosal topographies across a variety of hosts exploiting different food resources...
  95. ncbi request reprint Life history constraints on the evolution of abbreviated life cycles in parasitic trematodes
    F Lefebvre
    Department of Zoology, University of Otago, PO Box 56, Dunedin, New Zealand
    J Helminthol 79:47-53. 2005
    ..Why facultative progenesis is not more widespread remains a mystery...
  96. ncbi request reprint "Adaptive" changes in the behaviour of parasitized animals: a critical review
    R Poulin
    Department of Zoology, University of Otago, Dunedin, New Zealand robert
    Int J Parasitol 25:1371-83. 1995
    ..Few known examples satisfy more than two of the above criteria, and, in general, the adaptive function of changes in host behaviour following infection is in need of more solid proof...
  97. ncbi request reprint Life cycle abbreviation in the trematode Coitocaecum parvum: can parasites adjust to variable conditions?
    C Lagrue
    Department of Zoology, University of Otago, Dunedin, New Zealand
    J Evol Biol 20:1189-95. 2007
    ..These results show that parasites with complex developmental routes have transmission strategies and perception abilities that are more sophisticated than previously thought...
  98. doi request reprint Cryptic species complexes in manipulative echinostomatid trematodes: when two become six
    T L F Leung
    Department of Zoology, University of Otago, Dunedin, New Zealand
    Parasitology 136:241-52. 2009
    ..Possible explanations for this spatial segregation of the species include sampling artefacts, local adaptation by first intermediate hosts, environmental conditions, and site fidelity of the definitive hosts...
  99. ncbi request reprint Progenesis in digenean trematodes: a taxonomic and synthetic overview of species reproducing in their second intermediate hosts
    F Lefebvre
    Department of Zoology, University of Otago, P O Box 56 Dunedin, New Zealand
    Parasitology 130:587-605. 2005
    ....
  100. ncbi request reprint Impact of a microphallid trematode on the behaviour and survival of its isopod intermediate host: phylogenetic inheritance?
    Ellen K Hansen
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    Parasitol Res 97:242-6. 2005
    ....
  101. ncbi request reprint From first to second and back to first intermediate host: the unusual transmission route of Curtuteria australis (Digenea: Echinostomatidae)
    L H McFarland
    Department of Zoology, University of Otago, P O Box 56, Dunedin, New Zealand
    J Parasitol 89:625-8. 2003
    ....