{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T16:59:33Z","timestamp":1767200373724,"version":"build-2238731810"},"reference-count":25,"publisher":"Walter de Gruyter GmbH","issue":"3","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The aim of the present study was to detect the alterations of Pseudoplatystoma corruscans parasite infracommunity structure, after the construction of the Porto Primavera dam on the high Paran\u00e1 River floodplain. The execution of this research was based on 119 host specimens collected between March 2011 and September 2012, and the results were compared to studies performed on periods before the reservoir\u2019s construction, when 110 fishes were collected between March 1992 and February 1993. Five parasite species still remain on the environment, despite the environmental modifications: Choanoscolex abscissus, Spasskyelina spinulifera, Nomimoscolex pertierrae, Harriscolex kaparari and Contracaecum sp 2. The Berger-Parker dominance index, calculated to the parasite fauna of 1992, did not show the dominance of any species, while, on the present days, this same index accused the dominance of Nomimoscolex pertierrae (49%) and Choanoscolex abscissus (50%). The present study reports the disappearance of Megathylacus travassosi, Contracaecum sp. 1, Contracaecum sp. 3, Procamallanus (Spirocamallanus) sp. and Cucullanus pseudoplatystomae, suggesting the possibility of a local extinction or a host switch of these species. It has also been registered an Acanthocephala specimen, a genus not observed on this host yet. The results here presented show that the antropic influences on natural systems alter the environmental conditions, what is reflected on the richness and diversity parasite levels.<\/jats:p>","DOI":"10.2478\/s11686-014-0260-0","type":"journal-article","created":{"date-parts":[[2014,8,13]],"date-time":"2014-08-13T23:23:03Z","timestamp":1407972183000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Metazoan endoparasites diversity of Pseudoplatystoma corruscans (Siluriformes: Pimelodidae) as an indicator of environmental alterations on a tropical aquatic system"],"prefix":"10.2478","volume":"59","author":[{"given":"Thamy","family":"Ribeiro","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria","family":"Lizama","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ricardo","family":"Takemoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","reference":[{"key":"ref31","doi-asserted-by":"publisher","first-page":"529","DOI":"10.1590\/S1519-69842009000300008","article-title":"The impact of impoundment on the rotifer communities in two tropical floodplain environments : interannual pulse variations of http dx doi org","volume":"4","author":"Bonecker","year":"2009","journal-title":"Brazilian Journal Biology"},{"key":"ref131","doi-asserted-by":"publisher","first-page":"186","DOI":"10.1890\/110016","article-title":"Diverse effects of parasites in ecosystems : linking interdependent processes Frontiers in and http dx doi org","volume":"14","author":"Hatcher","year":"2012","journal-title":"Ecology Environment"},{"key":"ref251","doi-asserted-by":"publisher","first-page":"961","DOI":"10.1590\/S0101-81751995000400023","article-title":"Influence of the type of environment and of the hydrological level variation in endoparasitic infrapopulations of Pseudoplatystoma corruscans and Schizodon borelli Osteichthyes of the high Paran\u00e1 River de http dx doi org","volume":"26","author":"Machado","year":"1995","journal-title":"Revista Brasileira Zoologia"},{"key":"ref91","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1029\/2011WR010966","article-title":"Investigating the mesoscale impact of artificial reservoirs on frequency of rain during growing season Resources http dx doi org","volume":"10","author":"Degu","year":"2012","journal-title":"Water Research"},{"key":"ref341","first-page":"40","article-title":"Integrating food web diversity structure and stability Trends in Ecology and tree http dx doi org","volume":"35","author":"Rooney","year":"2012","journal-title":"Evolution"},{"key":"ref321","doi-asserted-by":"publisher","first-page":"717","DOI":"10.1590\/S1519-69842009000300025","article-title":"Limnology in the Upper Paran\u00e1 River floodplain : large - 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