Análise da distribuição de focos de calor no município de Novo Progresso, Pará

Fires are a major cause of damage to forest ecosystems. There are several ways of detecting hotspots. However, for countries with a vast territory as Brazil, the monitoring by satellite images is more efficient and cheaper. The aim of this study was to analyze the distribution of hotspots in the county of Novo Progresso, Pará, from 2010 to 2015 through data monitoring performed by reference satellites of the National Institute for Space Research. After organizing the information obtained through the Hotspots Database, analyses of socioeconomic and environmental factors that enhance the appearance of fire outbreaks were made with the assistance of scientific literature. It was observed that the outbreaks are concentrated in the northeastern area of the county along the BR-163, presenting higher occurrence in August and September, which may be related to the drought period of the city.Os incêndios são um dos principais causadores de danos aos ecossistemas florestais. Existem diversas formas de detecção dos focos de calor. Entretanto, para países com grande extensão territorial como o Brasil, é mais eficiente e barato o monitoramento por imagens de satélite. A partir disso, objetivou-se analisar a distribuição de focos de calor no município de Novo Progresso, Pará no período de 2010 a 2015, por meio de dados do monitoramento realizado por satélites de referência pertencentes ao Instituto Nacional de Pesquisas Espaciais. Após a organização das informações obtidas através do Banco de Dados de Queimadas, foram feitas análises dos fatores socioeconômicos e ambientais que intensificam o surgimento de focos de incêndios com o auxílio da literatura científica. Observou-se que os focos se concentraram na região nordeste do munícipio, ao longo da BR-163, apresentando maior ocorrência nos meses de agosto e setembro, o que pode estar relacionado com o período de estiagem do município

Núcleos de Ensino da Unesp: artigos 2007

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq

Brazilian Flora 2020: Leveraging the power of a collaborative scientific network

International audienceThe shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiversity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxonomic impediment to biodiversity research and conservation planning. The taxonomic impediment and the biodiversity crisis are widely recognized, highlighting the urgent need for reliable taxonomic data. Over the past decade, numerous countries worldwide have devoted considerable effort to Target 1 of the Global Strategy for Plant Conservation (GSPC), which called for the preparation of a working list of all known plant species by 2010 and an online world Flora by 2020. Brazil is a megadiverse country, home to more of the world's known plant species than any other country. Despite that, Flora Brasiliensis, concluded in 1906, was the last comprehensive treatment of the Brazilian flora. The lack of accurate estimates of the number of species of algae, fungi, and plants occurring in Brazil contributes to the prevailing taxonomic impediment and delays progress towards the GSPC targets. Over the past 12 years, a legion of taxonomists motivated to meet Target 1 of the GSPC, worked together to gather and integrate knowledge on the algal, plant, and fungal diversity of Brazil. Overall, a team of about 980 taxonomists joined efforts in a highly collaborative project that used cybertaxonomy to prepare an updated Flora of Brazil, showing the power of scientific collaboration to reach ambitious goals. This paper presents an overview of the Brazilian Flora 2020 and provides taxonomic and spatial updates on the algae, fungi, and plants found in one of the world's most biodiverse countries. We further identify collection gaps and summarize future goals that extend beyond 2020. Our results show that Brazil is home to 46,975 native species of algae, fungi, and plants, of which 19,669 are endemic to the country. The data compiled to date suggests that the Atlantic Rainforest might be the most diverse Brazilian domain for all plant groups except gymnosperms, which are most diverse in the Amazon. However, scientific knowledge of Brazilian diversity is still unequally distributed, with the Atlantic Rainforest and the Cerrado being the most intensively sampled and studied biomes in the country. In times of “scientific reductionism”, with botanical and mycological sciences suffering pervasive depreciation in recent decades, the first online Flora of Brazil 2020 significantly enhanced the quality and quantity of taxonomic data available for algae, fungi, and plants from Brazil. This project also made all the information freely available online, providing a firm foundation for future research and for the management, conservation, and sustainable use of the Brazilian funga and flora