Results 21 to 30 of about 1,266 (190)
L’eruzione del 1257 tra cronisti e vulcanologi
Studi di Storia Medioevale e di Diplomatica: Nuova Serie, 2022 L’eruzione del Samalas del 1257 è classificata fra le più grandi degli ultimi 7000 anni e a confermarlo sono stati i rilevamenti effettuati nelle carote di ghiaccio estratte in Artide, Antartide e Groenlandia. Le ricerche dei vulcanologi si sono avvalse,
Vittoria Bufanio
doaj
Occurrence of annual growth rings in Rhizophora mangle in a region with low climate seasonality
Anais da Academia Brasileira de Ciências, 2016 The formation of annual growth rings has been confirmed for several mangrove species in the last decade, among which is the Rhizophora mangle. However, the record of annual rings for this species was made in a region with high hydric seasonality, a ...
BRUNNA T. SOUZA +3 more
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The global abundance of tree palms
Global Ecology and Biogeography, Volume 29, Issue 9, Page 1495-1514, September 2020., 2020 Abstract Aim Palms are an iconic, diverse and often abundant component of tropical ecosystems that provide many ecosystem services. Being monocots, tree palms are evolutionarily, morphologically and physiologically distinct from other trees, and these differences have important consequences for ecosystem services (e.g., carbon sequestration and storage)
Robert Muscarella +223 more
wiley +1 more source
Anais da Academia Brasileira de Ciências, 2014 The lack of specific research on the sequence of events that determine plant growth from meristem until wood formation represents a gap in the knowledge of growth dynamics in woody species.
CÁTIA H. CALLADO +5 more
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DENDROCRONOLOGIA NA ANÁLISE DO CRESCIMENTO EM DIÂMETRO, VOLUME, BIOMASSA E DIÓXIDO DE CARBONO NO CERRADO [PDF]
Nativa, 2016 Objetivou-se com o presente estudo determinar a idade de espécies amostradas, incremento médio anual em diâmetro, volume e a taxa de sequestro de carbono e dióxido de carbono por ha.ano-1 para um fragmento caracterizado como Cerrado. Foram abatidas 120 árvores das 15 espécies que apresentaram maior participação no volume total e área basal ...
Gaspar, Ricardo Oliveira +4 more
openaire +2 more sources
Crescimento da Cordia trichotoma (Vell.) Arrab. Ex Steud., na depressão central do Estado do Rio Grande do Sul [PDF]
Floresta e Ambiente, 2023 Resumo Esta pesquisa teve como objetivo determinar o crescimento em diâmetro, volume comercial, incremento corrente anual em percentagem do volume comercial e o fator de forma comercial para Cordia trichotoma (Vell.) Arrab.
Paulo Sérgio Pigatto Schneider +3 more
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Ciência Florestal, 2009 In the present study a dendrocronological approach developed by the American archae logist Andrew Douglas in 1920 was used to analyze the species Tabebuia impetiginosa and to evaluate the growth tendencies in diameter, commercial volume, percentual ...
Paulo Sérgio Pigatto Schneider +2 more
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DENDROECOLOGY OF A 25 YEARS OLD Cryptomeria japonica (L. F.) DON. STAND IN SOUTHERN BRAZIL
Ciência Florestal, 2014 http://dx.doi.org/10.5902/1980509814579Cryptomeria japonica is indigenous to the temperate region of Japan, where it is known as ‘sugi’. In Brazil, the plantation of this species is recommended for the highlands and cold regions in the southern, where it
Mário Dobner Júnior +2 more
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Revista de Ciências Agroveterinárias, 2019 No âmbito do atual tema das mudanças climáticas, ter acesso a ferramentas que permitam a sua análise torna-se essencial para a correta compreensão de tais alterações. A interpretação dos sinais climáticos evidenciados nos anéis de crescimento das árvores
Bruno Palka Miranda +5 more
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Ecosphere, Volume 8, Issue 9, September 2017., 2017 Abstract Fire is a major disturbance affecting forests worldwide with significant economic, social, and ecological impacts. The southernmost forests on Earth extend continuously along the Andes from mid‐ to subantarctic latitudes in South America. In this region, warming and drying trends since the mid‐20th century have been linked to a positive trend ...
Ignacio A. Mundo +6 more
wiley +1 more source