3 documents found, page 1 of 1
Pervasive gaps in Amazonian ecological research
Carvalho, Raquel L.; Resende, Angelica F.; Barlow, Jos; França, Filipe M.; Moura, Mario R.; Maciel, Rafaella; Alves-Martins, Fernanda; Shutt, JackBiodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain underst...
Two new records of Gynandromorphs in Xylocopa (Hymenoptera, Apidae s.l.)
Almeida, Rony Peterson Santos; Leite, Luis Anderson Ribeiro; Ramos, Kelli dos SantosTwo new records of gynandromorphs in Xylocopa Latreille, 1802 (Hymenoptera, Apidae). Gynandromorphs are deviant morphological individuals with genetically distinct male and female tissues. Records of sex anomalies seems to be important to better understand the mechanisms regulating phenotypic expression. Herein, two new cases of gynandromorphs in carpenter bee species of Xylocopa from Brazil are described and f...
Formigas e o Código Florestal Brasileiro : comparando Áreas de Preservação Perm...
Almeida, Rony Peterson SantosThe New Brazilian Forest Code (NCFB) presents some controversial points in its text, especially those related to the reduction or replacement of legal reserves (LRs) and Permanent Protection Areas (PPAs) for non-native vegetation or the compensation of these areas by another, on the same property. The NCFB therefore considers these two areas structurally similar and able to house and preserve the fauna and regi...