[PDF] Top 20 Biota Neotrop. - vol.1 número1-2

... the biota of the area because they are so well acquainted with the species - after all, they are fellow occupants of their everyday ...the biota and will be supportive of its ... See full document

... on opercle, infraorbitals, and sides of body. Dark chroma- tophores densely concentrated on dorsal surface of head, and anterior surface of lower jaw. Small, dark chromatophores present on maxilla, ventral margin of ... See full document

... Mutillidae are wasps that parasitize mature larvae or pre-pupae of other insects, especially other aculeate Hymenoptera (Brothers et al. 2000). Among the Hymenoptera, their known hosts are Vespidae (Polistinae, ... See full document

... absent; 1 – scarce (less than 25%); 2 - frequent (25 to less than 50%); 3 – very frequent (50 to less than 75%) and 4 - abundant (75 to ...(0, 1, 2, 3 and 4) and n is the number of categories ... See full document

... A costa norte do Brasil compreende os estados do Amapá, Pará e Maranhão, estendendo-se por mais de 2.500 km, com uma linha da costa bastante diversa (Isaac & Barthem 1995) (Figura 1). No Amapá, a linha da ... See full document

... In 21 of the specimens analyzed, the modal number of supernumerary or B chromosomes found was 0 in five animals, 1 in nine animals, 2 in six animals, and 3 in one animal (Table 1), resulting in a ... See full document

... High GSI means were observed all over the year in males (Fig. 1). However, there is a peak in GSI mean in April 2002 coinciding with the GSI peak observed for females. The monthly distribution of the relative ... See full document

... 103.2 mm. Counts and proportional measurements presented in Table 1. Dorsal surface of body covered by plates except for naked area around dorsal fin. Body moderately depressed. Progressively narrowing from ... See full document

... Fieldwork was conducted from January 1998 to May 2002 in the 2,300 ha Ecological Station of Itirapina (ESI, 22 o 15’ S; 47 o 49’ W) and adjacent areas, São Paulo State, Brazil. The climate is rainy/tropical, with two ... See full document

... Transverse sections of the tubes, just above the whorls of the internal cusps, show further differences, thus possibly indicating separate types within groups. The number of cusps per whorl, at least in the upper ones, ... See full document

... about 1/3 of tooth cut-edge length (re- mainder smooth); inner and outer marginal teeth similar to each other, long, tall, slender, slightly flattened, about five sharp, sub-terminal cusps in each side of curved ... See full document

... modifications): 1) common: large populations widespread in the two types of vegetation studied; 2) occasional: small populations occurring in the two types of vegetation studied; 3) restrict: large ... See full document

... vertical through middle of orbit. Teeth conical, premaxilla with 3-5 rows, external row with 15-20 enlarged teeth, den- tary with 2-4 rows. Orbit lateral; eye round, very large, or- bital diameter greater than ... See full document

... This study provides information on the reproductive biology of the Brazilian blind electric ray Benthobatis kreffti, endemic to southern and southeastern Brazil. Individuals were caught by bottom trawl carried out in ... See full document

... metry coefficient, which is related with the form the individu- als grow, and calculated from the length-weight relationship (Le-Cren, 1951). The analysis of variance (ANOVA) was applied to verify significant differences ... See full document

... For the three newly sequenced individuals, genomic DNA was extracted from muscle tissues preserved in 95% ethanol with a DNeasy Tissue kit (Qiagen Inc.; http://www.qiagen.com) according to the manufacturer’s ... See full document

... Fig. 1) from the source to the mouth of the river (spaced about 50 km), which were sampled seasonally (six times at each site) from October 2010 to April 2012, using gill nets (different mesh-sizes) and other ... See full document

... Despite declines of forest-dependent species, the most prominent changes in assemblage structure were due to incre- ases, and not to decreases, in species abundances in converted stream reaches. Two species changed from ... See full document

... Financial support was provided by CNPq through the Grants MCT-Jovens Pesquisadores (#571295/2008-8), Universal (483682/2010-1) and SISBIOTA-MAR (CNPq 563276/2010-0 and FAPESC 6308/2011-8). We would like to thank ... See full document

... were: 1–5) percent cover of cyanobacteria, macrophytes, rock, gravel and sand; 6–7) height of macrophytes and height of the filamentous cyanobacteria; 8) presence or absence of twigs near or inside the RUVs area; ... See full document