1,187 research outputs found
Galhas De Insetos Da Serra Geral, Caetité, Bahia, Brasil
We inventoried and characterized the kinds of gall, gall-inducing insects and host plants from Serra Geral between August 2013 and July 2014. Two phytophysiognomies, cerrado sensu stricto and caatinga-cerrado, were examined monthly along transects during ca. 4 hours per visit, totaling 48 hours of sampling effort. A total of 49 gall morphotypes were found on 14 species of host plants in 18 genera and 13 families. Fabaceae and Malpighiaceae were the families with the most galls, with 22 and 10 gall morphotypes, respectively. The genera of host plant with the greatest richness of galls were Copaifera L. (n=10), Bauhinia Benth. (n=6), and Mimosa L. (n=5). Galls were found on leaves, buds and stems. The majority of the galls were globoid, glabrous, isolated, and one-chambered. The inducers belong to Coleoptera, Diptera, and Lepidoptera, Cecidomyiidae (Diptera) being the most frequent and diverse gall-inducers. The associated fauna included parasitoids (Hymenoptera), successors (Formicidae), and predators (Pseudoscorpiones), obtained from 13, 2, and 1 gall morphotypes, respectively. Five plant taxa are recorded as hosts of gall-inducing insects for the first time. © 2016, Universidade Estadual de Campinas UNICAMP. All rights reserved.16111
Removal of polycyclic aromatic hydrocarbons by biosorbents
Introduction: - Polycyclic aromatic hydrocarbons (PAHs) are a group of environmental carcinogens. They are formed during the
incomplete combustion of organic matter. Humans are exposed to PAHs by various sources, including occupational
environments, cigarette smoke, vehicle exhaust, and dietary sources as grilled and flame-broiled food.
- In vivo studies in animals proved that PAHs are associated to cancer, and epidemiologic studies with exposed
workers, especially in coke ovens and aluminium smelters, have shown clear excess of lung cancer and highly
suggestive excesses of bladder cancer.
- These compounds can enter in drinking water sources by precipitation and runoff on the earth’s surface.
- Portuguese legislation for water for human consumption (DL 306/2007) proposes the determination of five PAHs;
limits of the maximum concentration are 0.10 µg/L for total BghiP, BbF, BkF, IcdP, and 0.010 µg/L for BaP.This work was financial suported by the COMPETE program, under the Watercork project
(nº. 2009/552).N/
Chronic lead intoxication in a jaguar (Panthera onca) shot with round lead pellets - case report
ABSTRACT Lead is a heavy metal and an important cause of acute or chronic toxicosis in humans, domestic, and wild animals. This report aims to describe a case of chronic lead poisoning in a jaguar (Panthera onca) kept under human care that was rescued from the wild environment. The animal was rescued in poor condition in 2004 and kept under human care at the Belo Horizonte Zoological Garden (Minas Gerais, Brazil) until 2020, when it presented with anorexia, vomiting and ataxia. Over the past years the animal had episodes of anemia and increased serum urea and creatinine. Radiography demonstrated 21 radiopaque projectiles on the right side of the face. At necropsy there were multiple projectiles surrounded by fibrous tissue in the subcutaneous of the right side of the face, fibrinous peritonitis, multiple gastric ulcers, and melena. The lead dosage was performed using the atomic absorption spectrometry technique using renal tissue collected at necropsy, with a result of 908 ppb (µg/kg). The findings of projectiles associated with the dosage of lead above the reference limits allow the diagnosis of chronic intoxication in this case
Reproductive aspects of Macrobrachium amazonicum (Decapoda: Palaemonidae) in the State of Amapá, Amazon River mouth
Genetic divergence between genotypes of forage peanut in relation to agronomic and chemical traits
Padronização de um modelo de infecção por Clostridium difficile em hamsters sÃrios Mesocricetus auratus
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