Bonaldo, A.B. Marques, M.A.L. Pinto-da-Rocha, R. Gardner, T. Species richness and community structure of arboreal spider assemblages in fragments of three vegetational types at Banhado Grande wet plain, Gravataí river, Rio Grande do Sul, Brazil Subjects--Topical Terms: ARANHATAXONOMIA ANIMALESPÉCIEVEGETAÇÃO