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  Diversidade da artropodofauna em solo de cambarazal no Pantanal de Poconé - Mato Grosso

Pino, N. G. C. (2003). Diversidade da artropodofauna em solo de cambarazal no Pantanal de Poconé - Mato Grosso. Master Thesis, Universidade Federal de Mato Grosso, Cuiabá.

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 Urheber:
Pino, Nelsina Gonçalves Costa, Autor
Marques, Marinêz Isaac, Ratgeber
Adis, Joachim1, Gutachter           
Affiliations:
1Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976549              

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 Zusammenfassung: The soil fauna has an important role in the processes of organic matter decomposition, nutrient cycles, soil aeration and fertility. Thus, studies about the composition and structures of these communities are important, considering also the scarcity of information in different regions of the country, mainly in relation to the Pantanal of Mato Grosso. This study was carried out in Pirizal, in the municipal district of Nossa Senhora do Livramento, Retiro Novo ranch, Pantanal of Poconé - Mato Grosso, in the areas of cambarazal, where the plant specie Vochysia divergens Pohl. (Vochysiaceae) predominates. This study had as its objectives to gather knowledge on the composition, diversity, abundance and distribution of the arthropod community in soil and litter, collected through the Winkler extractor during the seasonal periods (flood, ebb, dry and rain) of this region in order to assess the influence of the hydro regime on this community. This method consists of the demarcation of quadrants (1m²), not exceeding 10 squares per collection to fill 10 nylon bags of litter and 10 of soil. In laboratory, these bags containing soil and litter were put into the Winkler funnels, and suspended to an environment with controlled temperature for the desiccation of the sampled material and consequent extraction of the arthropods. Those were separated and identified to order taxonomic level and the Coleoptera individuals were further identified to the family and morphospecies levels. During the four seasonal periods 97746 arthropods were obtained. (2572,26 individuals/m2), distributed into the Arachnida, Insecta, Diplopoda, Chilopoda and Crustacea classes and 24 taxonomic orders. Acari (72,5%; 110,59 individuals /m2), Hymenoptera, being most of it Formicidae (8,6%; 141,9 individuals/m2), Collembola (8,4%; 138,8 individuals/m2) and Coleoptera (3,5%; 57,3 individuals/m2), were the dominant groups in the litter. In the soil, Acari (64,1%; 596,1 individuals/m2), Collembola (16,5%; 153,2 individuals/m2), Coleoptera (6,9%; 64,5 individuals/m2) and Hymenoptera, most of it Formicidae (4,8%; 44,8 individuals/m2), were the most abundant. 3822 Coleoptera individuals were sampled and distributed into 28 families and 357 morphospecies. The most abundant families were Scarabaeidae (1012 individuals; 25%), Staphylinidae (920 individuals; 24,1%) and Ptiliidae (728 individuals; 19%). The Staphylinidae represented the most diversified family with 71 morphospecies followed by Pselaphidae (32) and Ptiliidae (24). In relation to the seasonality, the highest abundance of arthropods was obtained during the drought period, followed by rain, flood and ebb.

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Sprache(n): por - Portuguese
 Datum: 2003
 Publikationsstatus: Angenommen
 Seiten: CD-ROM
 Ort, Verlag, Ausgabe: Cuiabá : Universidade Federal de Mato Grosso
 Inhaltsverzeichnis: viii
SUMÁRIO
LISTA DE FIGURAS ...............................................................................................................x
LISTA DE TABELAS ...........................................................................................................xiii
RESUMO ...............................................................................................................................xiv
ABSTRACT.............................................................................................................................xv
1. INTRODUÇÃO....................................................................................................................1
2. ÁREA DE ESTUDO.............................................................................................................4
3. MATERIAL E MÉTODOS..................................................................................................8
3.1. O Equipamento..............................................................................................................8
3.2. Procedimentos em Campo.............................................................................................8
3.3. Procedimentos em Laboratório.....................................................................................9
3.4. Análise Estatística........................................................................................................10
4. RESULTADOS E DISCUSSÃO .......................................................................................16
4.1. Composição Taxonômica da Comunidade de Artrópodes ........................................16
4.2. Grupos Dominantes em Serapilheira e Solo...............................................................17
4.3. Análise da Sazonalidade sobre a Comunidade de Artrópodes....................................22
4.4. Grupos Dominantes....................................................................................................25
4.4.1. Acari.........................................................................................................................25
4.4.2. Collembola...............................................................................................................27
4.4.3. Hymenoptera - Formicidae......................................................................................28
4.4.4. Thysanoptera............................................................................................................31
4.4.5. Diptera......................................................................................................................32
4.4.6. Araneae....................................................................................................................33
4.5. Análise Estatística.............. .........................................................................................37
4.6. Coleoptera........ ...........................................................................................................41
4.6.1. Famílias e Morfoespécies de Coleoptera.................................................................41
4.6.2. Espécies Raras.........................................................................................................46
4.6.3. Guildas Tróficas de Coleoptera ..............................................................................46
4.6.4. Riqueza e Diversidade de Espécies de Coleoptera..................................................48
5. CONCLUSÕES....................................................................................................................49
6. REFERÊNCIAS BIBLIOGRÁFICAS.................................................................................50
ANEXOS.................................................................................................................................57
 Art der Begutachtung: -
 Identifikatoren: eDoc: 112290
 Art des Abschluß: Master

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