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Reproductive modes and fecundity of an assemblage of anuran amphibians in the Atlantic rainforest, Brazil
Hartmann, Marilia T;Hartmann, Paulo A;Haddad, Célio F. B;
Iheringia. Série Zoologia , 2010, DOI: 10.1590/S0073-47212010000300004
Abstract: reproductive modes and size-fecundity relationships are described for anurans from picinguaba, a region of atlantic rainforest on the northern coast of the state of s?o paulo, brazil. we observed 13 reproductive modes, confirming a high diversity of modes in the atlantic rainforest. this diversity of reproductive modes reflects the successful use of diversified and humid microhabitats by anurans in this biome. we measured the snout-vent length of 715 specimens of 40 species of anurans. the size-fecundity relationship of 12 species was analyzed. female snout-vent lengths explained between 57% and 81% of clutch size variation. anurans with aquatic modes laid more eggs than those with terrestrial or arboreal modes. larger eggs were deposited by species with specialized reproductive modes.
Microscopic fungi in the Atlantic Rainforest in Cubat?o, S?o Paulo, Brazil
Schoenlein-Crusius, Iracema Helena;Milanez, Adauto I.;Trufem, Sandra F.B.;Pires-Zottarelli, Carmen L.A.;Grandi, Rosely A. Piccolo;Santos, Maria L.;Giustra, Kátia C.;
Brazilian Journal of Microbiology , 2006, DOI: 10.1590/S1517-83822006000300014
Abstract: this article presents a survey of fungi obtained from soil, water and mixed leaf litter samples taken from the atlantic rainforest in the municipality of cubat?o, in the state of s?o paulo, during the years of 1993 to 1995. using different techniques for the isolation of microscopic fungi, a total of 280 taxa was obtained (66 zoosporic fungi, 40 mucorales, 45 glomales, 125 anamorphs, three ascomycota and one basidiomycota), with 23 species being reported for the first time in brazil.
Myxomycetes occurring on Cecropia adenopus (Cecropiaceae) in fragments of Atlantic Rainforest
Bezerra, Andrea Carla Caldas;Costa, Antonia Aurelice Aurélio;Cavalcanti, Laise de Holanda;
Acta Botanica Brasilica , 2011, DOI: 10.1590/S0102-33062011000100003
Abstract: cecropia adenopus (ambay pumpwood) is a frequent native species on the edges of woods and clearings and is considered a pioneer species in re-colonized areas. despite its distribution from mexico to argentina, this substrate has never been examined in detail regarding the presence of myxomycetes. in the present study, the myxobiota associated with leaf debris of c. adenopus was investigated in two atlantic rainforest conservation units located in the brazilian state of rio grande do norte. five specimens and one plasmodium were obtained directly from the field and 87 were developed in 43.7% of 200 moist-chamber cultures set up separately with blades and petioles. fifteen species were identified and illustrated. the two predominant groups were representatives of trichiales and physarales. didymium columella-cavum was recorded for the second time in brazil and in the world.
Diet of Brachycephalus brunneus (Anura: Brachycephalidae): in the Atlantic Rainforest of Paraná, southern Brazil
Fontoura, Pedro Luiz;Ribeiro, Luiz Fernando;Pie, Marcio Roberto;
Zoologia (Curitiba) , 2011, DOI: 10.1590/S1984-46702011000500019
Abstract: saddleback toads (brachycephalidae: brachycephalus) are a remarkable group of highly endemic species from the southern atlantic rainforest of brazil. they are brightly colored, diurnal, minute frogs that live in the leaf litter of high-elevation cloud forests. little is known about the natural history of these frogs, particularly their diet. in the present study we provide the first published account of a brachycephalus species diet. specimens of brachycephalus brunneus ribeiro, alves, haddad & reis, 2005 (n = 20) were collected from two locations in the serra do mar mountain range in the state of paraná, southern brazil. a total of 137 food items were recorded, with acari being the most common item (62.4%). this prevalence is much higher than the actual availability of acari in their environments (37.7% of all items in leaf litter samples) and therefore indicate their preference for this food item.
Ant communities (Hymenoptera: Formicidae) in an urban ecosystem near the Atlantic Rainforest
Kamura, CM.;Morini, MSC.;Figueiredo, CJ.;Bueno, OC.;Campos-Farinha, AEC.;
Brazilian Journal of Biology , 2007, DOI: 10.1590/S1519-69842007000400007
Abstract: the relationships between an urban ecosystem located near the atlantic rainforest in southeastern brazil and ant communities were studied with the objective of quantifying the ant richness and abundance in the household environment and its surroundings. eighty residences were sampled, where 58 species and 28 genera pertaining to 7 sub-families were found to be present. inside the residences, the species richness was found to be lower (26), although the abundance was greater (10,670), with the wash area and kitchen being the locales that contributed with the greatest number of hits. the opposite was true in the areas outside the residences, where 54 species and 3,747 ants were observed. inside houses, the species known as tramp ants were found, in the following order of importance: solenopsis -saevissima, tapinoma melanocephalum, linepithema humile, paratrechina fulva, wasmannia -auropunctata, p. -longicornis, pheidole megacephala, monomorium pharaonis and m. floricola. externally, mainly in the yards and gardens, species such as octostruma rugifera, heteroponera dolo, hypoponera sp.1 and sp.6, gnamptogenys sp. 4, g. striatula, odontomachus meinerti, pachycondyla constricta and p. striata were found. in general, a greater number of species and lower abundance of individuals were observed in the neighborhoods nearer the mountains than in those closer to the urban center.
First record of predation on the bat Carollia perspicillata by the false coral snake Oxyrhopus petolarius in the Atlantic Rainforest
Frederico Gustavo Rodrigues Fran?a,Rafaella Amorim de Lima
Biotemas , 2012,
Abstract: Records of bats as prey of snakes are very few in the literature, but recent studies have shown that this predation doesn’t seem to be an unusual phenomenon. We present here the first record of predation on the bat Carollia perspicillata by the false coral snake Oxyrhopus petolarius in an Atlantic Rainforest area in the Northeastern Brazil.
Diet and endoparasites of the lizard Gymnodactylus darwinii (Gekkota, Phyllodactylidae) from an Atlantic Rainforest area in southeastern Brazil
Mauricio Almeida-Gomes,Davor Vrcibradic,Thiago Maia-Carneiro,Carlos Frederico D. Rocha
Biotemas , 2012,
Abstract: In this study we provide information on diet and endoparasites of individuals of the species Gymnodactylus darwinii in an Atlantic Rainforest area in the state of Rio de Janeiro, Brazil. Regarding diet, orthopterans and isopods were the most important preys. One nematode species (Physaloptera sp.) was found associated to the stomach of an individual, representing a new host record for this genus. Our results indicate that G. darwinii has a similar diet to other lizard species from the Atlantic Rainforest, although different from that of other congeneric species inhabiting open areas.
Diet and nematode infection in Proceratoprhys boiei (Anura: Cycloramphidae) from two Atlantic rainforest remnants in Southeastern Brazil
Klaion, Thaís;Almeida-gomes, Mauricio;Tavares, Luiz E. R.;Rocha, Carlos F. D.;Sluys, Monique Van;
Anais da Academia Brasileira de Ciências , 2011, DOI: 10.1590/S0001-37652011000400017
Abstract: proceratophrys boiei is an endemic cycloramphid anuran inhabiting the leaf litter of atlantic rainforests in southeastern brazil. we analyzed the whole digestive tract of 38 individuals of proceratophrys boiei collected in two atlantic rainforest areas in the state of rio de janeiro, brazil, to study the diet composition and the helminth fauna associated with this species. the main food items in p. boiei's diet were coleoptera, orthoptera and blattaria. five nematode species were found: aplectana delirae, cosmocerca parva, oxyascaris oxyascaris, physaloptera sp. (larval stage only) and an unidentified nematode. overall prevalence was 71% and mean infection intensity was 7.3 ± 5.8 neatodes per individual.
Kerteszia subgenus of Anopheles associated with the Brazilian Atlantic rainforest:current knowledge and future challenges
Mauro Marrelli, Rosely S Malafronte, Maria AM Sallum, Delsio Natal
Malaria Journal , 2007, DOI: 10.1186/1475-2875-6-127
Abstract: Recent publications that addressed ecological aspects that are important for understanding the involvement of Kerteszia species in the epidemiology of malaria in the Atlantic rainforest in the Neotropical Region were analysed.The current state of knowledge about Kerteszia species in relation to the Atlantic rainforest ecosystem was discussed. Emphasis was placed on ecological characteristics related to epidemiological aspects of this group of mosquitoes. The main objective was to investigate biological aspects of the species that should be given priority in future studies.The Atlantic rainforest originally stretched as a continuous domain from northeastern to southern Brazil, northern Argentina and southeastern Paraguay. The forest occupied a narrow coastal area in northeastern Brazil, but in some parts of the state of S?o Paulo, it extended from the coast to as far as 200 miles inland [1].Deforestation started during the colonization of Brazil in the XVI century. As a result, most of the forest has been cleared, and currently less than 7.6% of its original 1,306,000 km2 cover remains, but is highly fragmented. The forest domain persists in a relatively continuous area in mountainous regions and as small fragments in regions with a smooth topography, which are generally used for agriculture [2].Apart from cases of Anopheles neivai reported in the Amazon region and Iguassu Park, where Anopheles cruzii can also be found [3], the geographic domain of Kerteszia species is restricted to those areas of the Serra do Mar mountains that remain covered with the exuberant Atlantic forest. The humid and rainy climate, together with the rocks and soil, support several species of bromeliads.Since the subgenus was described, the association between Kerteszia immature stages and bromeliads has been observed by various authors. Anopheles bambusicolus is the only species that uses bamboo as larval habitat. The massive presence of bromeliads in both Serra do Mar mountains and the coas
Temporal and ontogenetic variations in feeding habits of Hollandichthys multifasciatus (Teleostei: Characidae) in coastal Atlantic rainforest streams, southern Brazil
Abilhoa, Vinícius;Bornatowski, Hugo;Otto, Gislaine;
Neotropical Ichthyology , 2009, DOI: 10.1590/S1679-62252009005000001
Abstract: feeding habits of the characin hollandichthys multifasciatus were investigated. samplings were made between march 2004 and february 2005 in two black water streams of the coastal atlantic rainforest in southern brazil. the diet, evaluated by qualitative and quantitative methods, included aquatic and terrestrial insects, decapods, oligochaetes, plants and spiders. large individuals feed mainly on plants, terrestrial insects, and spiders, whereas small fish feed basically on plants and oligochaetes. the species showed an omnivorous feeding habit, and its diet was composed of autochthonous (mainly oligochaetes) and allochthonous (plants and terrestrial insects) material.
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