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Dragonflies (Odonata) from the Taquari River valley region, Rio Grande do Sul, Brazil
Centro Universitário Univates, Lajeado, RS, Brazil.
Centro Universitário Univates, Lajeado, RS, Brazil.
Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Bio- och miljösystemforskning (BLESS).
Centro Universitário Univates, Lajeado, RS, Brazil.
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2015 (Engelska)Ingår i: Check List, ISSN 1809-127X, E-ISSN 1809-127X, Vol. 11, nr 5, artikel-id 1740Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A survey of Odonata was carried out in the central region of the state of Rio Grande do Sul: the Taquari River valley. This region was originally covered by deciduous and Semi-deciduous Atlantic Forest, which today only exist in a highly fragmented environment mainly due to agricultural activities. Our survey was conducted in 12 municipalities from this region, between March 2011 and April 2013. Aiming a general overview of the species composition, our sampling sites included lakes, bogs, small streams and river sections, all inside or surrounded by small forest fragments or forest areas. Fifty species of Odonata were collected comprising 29 genera and seven families. The dominant families were Libellulidae (40%) and Coenagrionidae (36%), while Aeshindae, Gomphidae and Lestidae each only comprise 6% of the total number of species. The findings revealed the presence of a highly diverse odonate assemblage, mainly represented by generalist species in human disturbed fragments and a few forest specialist species in the best preserved remnants only.

Ort, förlag, år, upplaga, sidor
São Paulo: Luís Felipe Toledo , 2015. Vol. 11, nr 5, artikel-id 1740
Nyckelord [en]
ecology, species richness, Neotropics, Atlantic forest
Nationell ämneskategori
Zoologi
Identifikatorer
URN: urn:nbn:se:hh:diva-30798DOI: 10.15560/11.5.1740Scopus ID: 2-s2.0-84941629557OAI: oai:DiVA.org:hh-30798DiVA, id: diva2:922032
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Funding: FAPERGS (Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul) & UNIVATES

Tillgänglig från: 2016-04-21 Skapad: 2016-04-21 Senast uppdaterad: 2018-03-22Bibliografiskt granskad

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Sahlén, Göran

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