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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1523-1739.2010.01583.x
|2 doi
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|a pubmed24n0677.xml
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|a (NLM)21029163
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Byers, James E
|e verfasserin
|4 aut
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| 245 |
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|a Using parasitic trematode larvae to quantify an elusive vertebrate host
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.05.2011
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|a Date Revised 21.01.2011
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a ©2010 Society for Conservation Biology.
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|a Digenean trematode parasites require multiple host species to complete their life cycles, and their abundance can often be strongly correlated with the abundance of their host species. Species richness and abundance of parasites in easily sampled host species may yield an accurate estimate of the species richness and abundance of other hosts in a parasite's life cycle that are difficult to survey directly. Accordingly, we investigated whether prevalence and mean abundance of trematodes could be used to estimate the abundance of one of their host species, diamondback terrapins (Malaclemys terrapin), which are difficult to sample and are designated as near threatened (by the International Union for Conservation of Nature [IUCN Red List]) along some U.S. coasts. As an adult the trematode Pleurogonius malaclemys is specific to terrapins. Its larval stages live first inside mud snails (Ilyanassa obsoleta) and are subsequently shed into the environment where they form external metacercarial cysts on hard surfaces such as snail opercula. The life cycle of P. malaclemys is completed when terrapins ingest these cysts. At 12 sites along the coast of Georgia (U.S.A.), we determined the prevalence of internal P. malaclemys larvae in mud snails (proportion of infected snails in a population) and the prevalence and mean abundance of external trematode cysts. We examined whether these data were correlated with terrapin abundance, which we estimated with mark-recapture methods. The abundance of external cysts and salinity explained ≥59% of the variability in terrapin abundance. We suggest that dependent linkages between the life stages of multihost parasites make them reliable predictors of host species' abundance, including hosts with abundances that are challenging to quantify directly
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
1 |
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|a Altman, Irit
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Grosse, Andrew M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huspeni, Todd C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maerz, John C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Conservation biology : the journal of the Society for Conservation Biology
|d 1999
|g 25(2011), 1 vom: 15. Feb., Seite 85-93
|w (DE-627)NLM098176803
|x 1523-1739
|7 nnns
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| 773 |
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|g volume:25
|g year:2011
|g number:1
|g day:15
|g month:02
|g pages:85-93
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|u http://dx.doi.org/10.1111/j.1523-1739.2010.01583.x
|3 Volltext
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