Despite their humid environment, tropical rainforests are threatened by fires that negatively impact their ecological and economic value. However, fires in these ecosystems have been investigated to a far lesser degree compared with temperate or seasonally dry forests. We performed a bibliometric analysis to identify knowledge gaps in rainforest fire studies from 1981 to 2015. Through an analysis of the temporal and spatial research trends, we aimed to evaluate the main drivers that motivate investigations in this field of study. In total, we recorded 366 publications in indexed journals. Approximately 60% of these studies were conducted in four countries. The number of publications tended to increase after El Niño years. A word co-occurrence network revealed a strong relationship between land use change and fires and the role of fire in agricultural and ecosystem traits. We conclude that socioeconomic drivers, deforestation, and global climate change should be considered to gain a better understanding of the occurrence of forest fires. Further studies should include the cause, intensity, and recurrence of fires, since they determine the effects of fire on the soil and biota (fire severity). The spatiotemporal patterns of forest fires require further study to develop strategies for good agricultural production and to predict successional routes after fires. These identified gaps in the research on forest fires could guide decision-making toward the prevention of further fire expansion or at least to reduce its negative effects in tropical rain forests.
Los Atlas de Riesgo son instrumentos controversiales, que en su creación y uso articulan visiones contrapuestas entre expertos y no expertos, y podrían promover la participación social. La consulta pública #CuéntameTuRiesgo se realizó con el objeto de generar información sobre el uso y recepción del Atlas de Riesgos de la Ciudad de México. La consulta fue implementada a través de una campaña en redes sociodigitales a través de la creación de personajes e historias para generar interacciones con diversos grupos sociales. Los resultados muestran una valoración positiva del instrumento, aunque también se observan importantes problemas de uso, comunicabilidad y accesibilidad.
Hobart M. Smith is one of the most important and renowned herpetologist of all times, he is considered an expert of the herpetofauna of Mexico. In 2006 he donated his personal literature collection to the Universidad Nacional Autónoma de México (UNAM). The 100th anniversary of his birth was on September 26th, 2012, so the Science Faculty Repository, UNAM celebrated this special daywith the inauguration of the Digital Center of Herpetological Information by Oscar Flores Villela. This facility contains the catalogue of the Hobart M Smith’s library, images and the records and the “Synopsis of the herpetofauna of Mexico”, the information center is available in the Repository Ciencias, UNAM <http://repositorio.fciencias.unam.mx:8080/xmlui/handle/123456789/43326>.
A navegação consulta e descarregamento dos títulos inseridos nas Bibliotecas Digitais UC Digitalis, UC Pombalina e UC Impactum, pressupõem a aceitação plena e sem reservas dos Termos e Condições de Uso destas Bibliotecas Digitais, disponíveis em https://digitalis.uc.pt/pt-pt/termos. Conforme exposto nos referidos Termos e Condições de Uso, o descarregamento de títulos de acesso restrito requer uma licença válida de autorização devendo o utilizador aceder ao(s) documento(s) a partir de um endereço de IP da instituição detentora da supramencionada licença. Ao utilizador é apenas permitido o descarregamento para uso pessoal, pelo que o emprego do(s) título(s) descarregado(s) para outro fim, designadamente comercial, carece de autorização do respetivo autor ou editor da obra. Na medida em que todas as obras da UC Digitalis se encontram protegidas pelo Código do Direito de Autor e Direitos Conexos e demais legislação aplicável, toda a cópia, parcial ou total, deste documento, nos casos em que é legalmente admitida, deverá conter ou fazer-se acompanhar por este aviso. AbstractBibliometrics allows to analyze on behalf of literature searches the existing knowledge around a specific topic and identify tendencies in its development. Tropical forests are characterized naturally by a low regime of fires. However human activities have dramatically changed this phenomenon. Since tropical rain forests are a hot spot of world's diversity, we conducted a bibliometric study of occurrence and effects of fires in tropical rain-forests. The aim of this work is to identify the main tendencies in biological literature about this subject, diagnose knowledge areas with a poor development and to define the geographic location of the performed studies and their methodological approach. This analysis will allow to identify the main gaps in the research of fires in tropical rain forests and contribute to direction the following research projects. We retrieved more than 2000 documents of indexed journals from the following bibliographic databases: Web of Science, Scopus, Science Direct, Biosis and Zoological abstracts. We selected the papers of words related with forest fires and tropical rain forests by an advanced search using logic and boolean operators. We considered for this study the fields: the document title, authors, adscription institution, publication year, journal name, Keywords and descriptors, country, knowledge area and abstract. With this information we designed and normalized the database. Then, we considered all the papers focused on the study of fires in tropical forests and we classified other works that not specifically worked on fires but mention it as an important element of their studies. We did this by looking for the words "fire" and "tropical forest" in the Keywords and abstracts. Then we analysed the documents by their geographic location and by the field of knowledge. We found an increasing interest in this topic in the scientific community since early 1950 to the present. The journals with more works in the theme...
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