Results 21 to 30 of about 1,244 (159)
The pile dwelling of Tombola di Cerea (Verona) (1999 excavation)
The pile dwelling was discovered in 1955 in the valley of the river Menago, just a few hundred meters south of the settlement of Tombola di Cerea (VR). A first excavation was carried out that very year by Francesco Zorzi, director of the Museo Civico di ...
Luciano Salzani +10 more
doaj +1 more source
The assessment of present, past and future climatic variability in the americas from tree-line environments [PDF]
In this note we introduce one of 14 Collaborative Research Networks (CRN) funded by the Inter-American Institute for Global Change Research. It was established in 1999 and involves 15 principal investigators from 13 institutions in Canada, USA, Mexico ...
Boninsegna, Jose Armando +1 more
core +1 more source
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
doaj +1 more source
L’eruzione del 1257 tra cronisti e vulcanologi
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
DENDROCRONOLOGIA NA ANÁLISE DO CRESCIMENTO EM DIÂMETRO, VOLUME, BIOMASSA E DIÓXIDO DE CARBONO NO CERRADO [PDF]
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]
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
doaj
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
doaj +1 more source
DENDROECOLOGY OF A 25 YEARS OLD Cryptomeria japonica (L. F.) DON. STAND IN SOUTHERN BRAZIL
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
doaj +1 more source
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
doaj +1 more source
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

