Results 91 to 100 of about 13,014 (219)

Aportación al conocimiento de las tricolomatáceas de Cataluña [PDF]

open access: yes, 1987
Sobre la base de 555 recolecciones procedentes de 190 localidades de Catalufia, se da cuenta de 88 especies de Tricolomataceas (excluyendo Melanoleuca y Mycena) reconocidas.
Llimona i Pagès, Xavier   +1 more
core  

Tree-rings in Mediterranean pines – can we ascribe them to calendar years?

open access: yesLes, 2019
A tree ring is defined as a band of xylem-cell layers produced in one year. In Mediterranean trees cambium often produces several bands of alternating early- and latewood during one calendar year, resulting in Intra-Annual Density Fluctuations (IADFs ...
Angela Balzano   +3 more
doaj   +1 more source

Amber imitation? Two unusual cases of Pinus resin-coated beads in Iberian Late Prehistory (3rd and 2nd millennia BC) [PDF]

open access: yes, 2019
A group of beads from the artificial cave of La Molina (Lora de Estepa, Sevilla) and Cova del Gegant (Sitges, Barcelona) were made from a biogenic raw material and intentionally covered by a layer of resin.
Avilés Escaño, Miguel Ángel   +5 more
core   +2 more sources

Experimental use of a native isolate of Phlebiopsis gigantea: efficacy and eco-sustainability.

open access: yesForest@, 2009
Heterobasidion annosum is an important pathogen, causing conifer root and butt rot. In Italy it attacks Pinus species both in mountain and in coastal plantations. Its diffusion is greatly enhanced during thinning, as its aerial inoculum germinates on new
Annesi T   +5 more
doaj   +1 more source

Relatório de Consultadoria Técnico-Científico INNEA-Alternativas Biotecnológicas Valladolid, Espanha [PDF]

open access: yes, 2018
Entre os dias 30 de janeiro e 4 de fevereiro de 2018 foi realizada uma consultadoria técnico-científica a empresa espanhola INNEA Alternativas Biotecnológicas, com sede social na cidade de Valladolid, Espanha.
Zavattieri, Maria Amely
core  

VALORES DE B0 y dCHAR EN LAS PIEZAS DE MADERA LAMINADA DE LOS PINOS DE ANDALUCÍA

open access: yesRevista Chapingo: Serie Ciencias Forestales y del Ambiente, 2003
Los valores de B0 (velocidad de carbonización) y dCHAR (profundidad de carbonización), en que, dCHAR = B0 . t, siendo t = tiempo de exposición al fuego, en minutos, representan los parámetros de referencia para realizar un proyecto de estructuras de ...
F. J. Jiménez-Peris
doaj  

Detection and quantification of the air inoculum of Caliciopsis pinea in a plantation of Pinus radiata in Italy

open access: yesiForest - Biogeosciences and Forestry, 2019
Caliciopsis pinea has been historically described as a secondary pathogen of pines. However, it has recently been associated with severe damages on Pinus radiata in Italy. Our study focused on the description of the seasonal spore dispersal of C.
Botella L   +7 more
doaj   +1 more source

Aportació al coneixement de la micoflora del Baix Empordà i rodalies (Catalunya). I. Fam. Geastraceae (Gasteromicets) [PDF]

open access: yes, 1987
Es citen 12 espècies i 1 varietat de geastràcies trobades al Baix Empordà (Catalunya), tres de les quals: Geastrum morganii, G. lageniforme i G. saccatum f.
Vidal i Frigola, Josep Maria
core  

Modeling Dominant Height Growth in Planted Pinus pinea Stands in Northwest of Tunisia

open access: yesInternational Journal of Forestry Research, 2012
Six generalized algebraic difference equations (GADAs) derived from the base models of log-logistic, Bertalanffy-Richards, and Lundqvist-Korf were used to develop site index model for Pinus pinea plantations in north-west of Tunisia.
Sghaier Tahar   +5 more
doaj   +1 more source

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