Results 51 to 60 of about 3,315,361 (147)

Neue Ergebnisse zur Gletscher- und Klimageschichte des Spätmittelalters und der Neuzeit [PDF]

open access: yesGeographica Helvetica
This article contributes to the glacier and climatic fluctuations during the late Middle Ages and the Modern Times. With the aid of radiocarbon dating of fossil woods and a fossil soil (fAh) located in the gletschervorfeld of two glaciers (Glacier de ...
H. Holzhauser
doaj   +1 more source

Características del establecimiento e historia de vida de Misodendrum punctulatum (Misodendraceae) un muérdago de Sudamérica austral Establishment and life history characteristics of the southern South American mistletoe Misodendrum punctulatum (Misodendraceae)

open access: yesRevista Chilena de Historia Natural, 2004
Aprovechando la formación de anillos anuales de crecimiento en los hospedadores y que el sistema haustorial de los muérdagos va quedando sincrónicamente embebido en el xilema del hospedador, analizamos características edad dependientes de la historia de ...
Norlan Tercero-Bucardo   +1 more
doaj  

Annual Report for The Rowan Tree Church 1990-1991 [PDF]

open access: yes, 1991
This digital asset was created from the original digital scans by Rev. Paul V. Beyerl and provided to the Valdosta State University, Archives & Special Collections to be part of their Rowan Tree Church Periodicals Collection of the New Age Movements ...
Rowan Tree Church
core  

Relationship between Ring Width and Tracheid Characteristics In Picea crassifolia: Implication in Dendroclimatology

open access: yesBioResources, 2014
Ring width represents the total width of cells in a growing season. Relatively few studies have identified which of the parameters, cell number, size, or wall thickness is the greater contributor to variations in ring width.
Jinmei Xu   +3 more
doaj   +1 more source

Effect of climatic factors, temperature and precipitation, on radial growth patterns of beech and oak in of central Alborz Mountains altitudes [PDF]

open access: yesمجله جنگل ایران, 2018
Trees respond to environmental and climatic changes during their biological life. Tree rings study is one way to discover these responses called dendrochronology.
Narges Kanani   +3 more
doaj  

Inter- and Intra-Annual Variations in Oak Tree Ring δ13C Values across Different Elevations and Their Climatic Responses in Qinling Mountains

open access: yesAtmosphere
The Qinling Mountains, serving as a natural geographical and climatic boundary in China, require comprehensive climatic records to elucidate the trends in climate changes across the country.
Chao Li   +6 more
doaj   +1 more source

Crossdating Juniperus procera from North Gondar, Ethiopia [PDF]

open access: yes, 2010
The application of dendrochronology in (sub)tropical regions has been limited by the difficulty in finding trees with distinct annual rings that can be crossdated.
Touchan, R.   +11 more
core   +1 more source

Comparison of the Structure of Juvenile and Mature Wood of Larix decidua Mill. from Fast-Growing Plantations in Poland

open access: yesBioResources, 2017
The main objective of this study was to reveal variations in the wood structure and to define the location of the boundary between juvenile and mature wood Larix decidua Mill. from fast growing tree plantations.
Piotr Boruszewski   +2 more
doaj   +1 more source

Tree growth and vegetation activity at the ecosystem-scale in the eastern Mediterranean

open access: yesEnvironmental Research Letters, 2017
Linking annual tree growth with remotely-sensed terrestrial vegetation indices provides a basis for using tree rings as proxies for ecosystem primary productivity over large spatial and long temporal scales.
Bethany L Coulthard   +4 more
doaj   +1 more source

CLIMATE SIGNAL IN THE RING WIDTH, DENSITY AND CARBON STABLE ISOTOPES IN PINE (PINUS SILVESTRIS L.) IN CENTRAL CAUCASUS

open access: yesGeography, Environment, Sustainability, 2010
Variability of width, maximum density and stable isotopes (δ13C) in tree-rings of Scots pine (Pinus sylvestris L.) were studied in Northern Caucasus.
Enrico Brugnoli   +3 more
doaj   +1 more source

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