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Ecosystem energetic implications of parasite and free-living biomass in three estuaries
TLDR
It is shown that parasites have substantial biomass in these ecosystems and that the annual production of free-swimming trematode transmission stages was greater than the combined biomass of all quantified parasites and was also greater than bird biomass.
Relating bird host distribution and spatial heterogeneity in trematode infections in an intertidal snail—from small to large scale
TLDR
Investigation of shorebird abundance and spatial distribution of larval trematodes in the New Zealand mudsnail, Zeacumantus subcarinatus, found that trematode prevalence in snails was positively correlated with bird abundance across bays, suggesting that factors related to differences in submersion time may override the differential input of treMatode eggs from birds.
Production of marine trematode cercariae: a potentially overlooked path of energy flow in benthic systems
TLDR
Results suggest that trematode cercariae represent potentially important paths of energy flow in benthic systems as well as a potentially important food supply to benthics organisms.
Larval helminths in intermediate hosts: does competition early in life determine the fitness of adult parasites?
TLDR
The results of this study 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.
Impact of trematodes on host survival and population density in the intertidal gastropod Zeacumantus subcarinatus
TLDR
The results demonstrate a highly significant reduction in the reproductive output in heavily infected populations compared to populations with low trematode prevalence, and emphasise the importance of castrating parasites as potential agents of pop- ulation regulation in host species with limited dispersal ability.
DESCRIPTION AND PROPOSED LIFE CYCLE OF MARITREMA NOVAEZEALANDENSIS N. SP. (MICROPHALLIDAE) PARASITIC IN RED-BILLED GULLS, LARUS NOVAEHOLLANDIAE SCOPULINUS, FROM OTAGO HARBOR, SOUTH ISLAND, NEW ZEALAND
TLDR
Based on morphometric features of metacercariae and adult specimens, the trophic relationships among invertebrate and vertebrate hosts, experimental infections, and previous reports of species of Maritrema with similar transmission patterns, the life cycle of M. novaezealandensis n.
Increased Surfacing Behavior In Longnose Killifish Infected by Brain-Encysting Trematode
TLDR
Investigation of the behavior of longnose killifish that were naturally infected with metacercariae of the trematode found that Euhaplorchis sp.
Intensity-dependent mortality of Paracalliope novizealandiae (Amphipoda: Crustacea) infected by a trematode: experimental infections and field observations
TLDR
Field data showed a monotonic increase in the mean parasite load with the body size of the amphipods, indicating that M. novaezelandensis does not severely affect P. novizealandiae-populations under normal field conditions, but a decrease in the variance-tomean ratio for the largest size-classes indicates that heavily infected individuals are removed from the population as predicted by the experimental infections.
Parasitism shaping host life-history evolution: adaptive responses in a marine gastropod to infection by trematodes.
TLDR
The results strongly indicate that Z. subcarinatus adapt to trematodes by reaching maturity early, thereby maximizing their chance of reproducing in populations experiencing a high prevalence of infection by castrating trematode.
Ancient DNA from latrines in Northern Europe and the Middle East (500 BC–1700 AD) reveals past parasites and diet
TLDR
The reconstruction of full mitochondrial parasite genomes from whipworm and roundworm species and estimates of haplotype frequencies elucidates the genetic diversity and provides insights into epidemiology and parasite biology.
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