Results 21 to 30 of about 388 (178)

Crescimento e Idade de Espécies Nativas Regenerantes Sob Plantio de Araucaria angustifolia no Paraná

open access: yesFloresta e Ambiente, 2017
RESUMO Este trabalho teve como objetivo usar técnicas dendrocronológicas para recuperar o crescimento diamétrico e a idade média de espécies arbóreas estabelecidas sob um povoamento de Araucaria angustifolia implantado em 1949 na Floresta Nacional de ...
Afonso Figueiredo Filho   +4 more
doaj   +1 more source

MÉTODOS E TÉCNICAS DE DIAGNOSE DE IDENTIFICAÇÃO DOS ANÉIS DE CRESCIMENTO DE ÁRVORES TROPICAIS [PDF]

open access: yesFloresta e Ambiente, 2023
RESUMO Para análise do crescimento do xilema de espécies tropicais é necessário muitas vezes lançar mão de ferramentas que auxiliam na identificação precisa dos anéis de crescimento.
Gilmara Pires de Moura Palermo   +2 more
doaj  

L’eruzione del 1257 tra cronisti e vulcanologi

open access: yesStudi 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

open access: yesAnais 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
doaj   +1 more source

The global abundance of tree palms

open access: yesGlobal 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

Analysis of the growth of spruce (Picea abies) and silver fir (Abies alba) in relation to climate change in the Altopiano di Asiago [PDF]

open access: yes, 2022
openLo studio effettuato ha come intento quello di verificare se e in che modo i cambiamenti climatici hanno influito sulle popolazioni di abete rosso (Picea abies) e abete bianco (Abies alba) a basse-medio quote nell’altopiano di Asiago, e individuare ...
SALVADOR, FRANCO
core  

Studies on cambial activity: advances and challenges in the knowledge of growth dynamics of Brazilian woody species

open access: yesAnais 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
doaj   +1 more source

Crescimento da Cordia trichotoma (Vell.) Arrab. Ex Steud., na depressão central do Estado do Rio Grande do Sul [PDF]

open access: yesFloresta 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
doaj  

GROWTH OF IPÊ-ROXO, Tabebuia impetiginosa Martius ex A. P. de Candolle, IN THE CENTER DEPRESSION IN THE STATE OF RIO GRANDE DO SUL

open access: yesCiência 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
doaj   +1 more source

DENDROECOLOGY OF A 25 YEARS OLD Cryptomeria japonica (L. F.) DON. STAND IN SOUTHERN BRAZIL

open access: yesCiência 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
doaj   +1 more source

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