Results 31 to 40 of about 5,401,070 (277)

Mechanical Properties of Norway Spruce: Intra-Ring Variation and Generic Behavior of Earlywood and Latewood until Failure

open access: yesBioResources, 2013
The alternating earlywood and latewood growth ring structure has a strong influence on the mechanical performance of Norway spruce. In the current study, tensile tests in the longitudinal and tangential directions were performed on a series of specimens ...
Christian Lanvermann   +3 more
doaj   +1 more source

Age and growth parameters of the dourado Salminus brasiliensis (Cuvier, 1816) from the river Cuiabá, Mato Grosso State, Brazil

open access: yesActa Scientiarum: Biological Sciences, 2016
Age and growth parameters of Salminus brasiliensis (Curvier, 1816) from the Manso Reservoir and from the river Cuiabá are estimated by their fish scales. Sampling was performed between January and December 2006.
Marina Soares Zuliani   +5 more
doaj   +1 more source

First record of growth rings for 11 native subtropical anuran species of South America [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2019
: Skeletochronology is the most accurate method to estimate a population age structure. The methodology is based on the analysis of secondary bone tissue in order to count growth rings.
AMANDA J.C. BRUM   +3 more
doaj   +1 more source

Validation of Four Meteorological Drought Indices Based on the Growth Rings Beech, Poplar, and Willow in the Mashhad Area [PDF]

open access: yesمهندسی منابع آب, 2013
Water resources management and its planning are increasingly impact by the climate change, especially in the arid and semi arid area. As the tree rings integrate the effects of internal water stress, their thickness maybe correlated with the amount and ...
V. Y, K. D, B. GH, H. Z. A
doaj  

Diversity and effect of Trichoderma isolated from the roots of Pinus densiflora within the fairy ring of pine mushroom (Tricholoma matsutake). [PDF]

open access: yesPLoS ONE, 2018
Pine mushroom (PM, Tricholoma matsutake) is an important ectomycorrhizal fungus in Asia primarily due to its value as a food delicacy. Recent studies have shown that fairy rings of PM have distinctive fungal communities, which suggests that other fungi ...
Seung-Yoon Oh   +3 more
doaj   +1 more source

Testing a quick and reliable method to discriminate age classes in roe deer <em>Capreolus capreolus</em> on the basis of tooth wear

open access: yesHystrix, the Italian Journal of Mammalogy, 2000
<strong>Abstract</strong> The hunting management of roe deer in Emilia-Romagna provides the correct classification of the age classes of dead specimens, usually determined shortly after killing by hunters.
Luciano Cicognani, Franca Monti
doaj   +1 more source

Size metrics, longevity, and growth rates in Umbellula encrinus (Cnidaria: Pennatulacea) from the eastern Canadian Arctic.

open access: yesArctic Science, 2018
Umbellula encrinus (Linnaeus, 1758) is a deep-water sea pen commonly found in the eastern Canadian Arctic. It can reach heights of >2 m, and it has often been caught as fishing bycatch.
Bárbara de Moura Neves   +5 more
doaj   +1 more source

La formación de anillos de crecimiento en Fissurella crassa en el norte de Chile

open access: yesBrazilian Journal of Oceanography, 1980
Growth discontinuity in molluscs result in the formation of rings on their shells. Two kind of rings may be formed: disturbance and growth rings. Growth rings can be used to determine the age of molluscs with long life span.
Marta Bretos
doaj   +1 more source

Growth Rings in a Monocotyl [PDF]

open access: yesBotanical Gazette, 1921
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

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

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