Results 51 to 60 of about 344,543 (254)

The Relative Influences of Climate and Competition on Tree Growth along Montane Ecotones in the Rocky Mountains

open access: yes, 2016
Distribution shifts of tree species are likely to be highly dependent upon population performance at distribution edges. Understanding the drivers of aspects of performance, such as growth, at distribution edges is thus crucial to accurately predicting ...
Cannon, Ellie, Copenhaver-Parry, Paige E
core   +1 more source

Antioxidative and Photoprotective Activity of Pinus nigra, Pinus strobus and Pinus mugo

open access: yesApplied Sciences
Substances that delay the skin aging process have become very popular lately. Undoubtedly, this is influenced by all kinds of efforts to maintain a youthful appearance for as long as possible. Plant-derived antioxidants are a group of compounds that exhibit protective properties against the degenerative effects of oxidative stress on skin aging ...
Daria Oshetkova, Adam Klimowicz
openaire   +2 more sources

Análisis Comparativo de dos Panoramas Económicos en el Desarrollo de un Proyecto de Inversión para el Ejido Forestal Cieneguita de la Barranca, Chihuahua

open access: yesRevista Biológico Agropecuaria Tuxpan, 2019
El ejido Cieneguita de la Barranca cuenta con una posibilidad anual de 2,357.50 metros cúbicos rollo total árbol (m3 RTA) del género Pinus, en el año 2019 la comunidad consolidó un contrato de compra de madera en rollo de pino con el ejido Munerachi por
Joel Rascón Solano   +4 more
doaj   +1 more source

The role of forest genetic resources in responding to biotic and abiotic factors in the context of anthropogenic climate change [PDF]

open access: yes, 2015
The current distribution of forest genetic resources on Earth is the result of a combination of natural processes and human actions. Over time, tree populations have become adapted to their habitats including the local ecological disturbances they face ...
Alfaro, R.I.   +13 more
core   +1 more source

KEUNGGULAN KOMPARATIF KAYU BULAT JATI DAN PINUS HUTAN TANAMAN DAN PROSPEKNYA DI MASA DATANG

open access: yesJurnal Penelitian Sosial dan Ekonomi Kehutanan, 2017
Di masa datang, produksi kayu bulat dari hutan alam akan terus menurun. Diharapkan penurunan produksinya akan digantikan oleh produksi kayu bulat dari hutan tanaman.
Satria Astana   +7 more
doaj   +1 more source

A comparative study of the needle folded mesophyll in Pinus and Cedrus (Pinaceae) species

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки, 2022
Background. The structure of the assimilatory tissue of the leaves at conifers studied mainly on cross-sections. The purpose of the study is to compare the features of the 3D forms of assimilative cells and the structure of the needle mesophyll in the ...
G.K. Zvereva
doaj   +1 more source

The evolution of montane vegetation in the eastern sector of the Ayllón massif (Central Mountain Range). Pollen analysis of a core from Pelagallinas peatbog

open access: yesAnales del Jardín Botánico de Madrid, 2001
Pollen and charcoal analyses of a core from Pelagallinas peatbog, located in the Sierra de Alto Rey at the eastern sector of the Central Mountain Range (Guadalajara), show the environmental history of the montane vegetation during the last 4000 years ...
Fátima Franco Múgica   +4 more
doaj   +1 more source

Potential control of forest diseases by solutions of chitosan oligomers, propolis and nanosilver [PDF]

open access: yes, 2017
Producción CientíficaThere is a growing necessity to replace chemical agents with ecofriendly materials, arising from the impact on the environment and/or human health, which calls for the design of new broad-spectrum fungicides.
Díez Casero, Julio Javier   +5 more
core   +1 more source

First Records of \u3ci\u3eCecidomyia Candidipes\u3c/i\u3e (Diptera: Cecidomyiidae) in Wisconsin [PDF]

open access: yes, 2018
First report of Cecidomyia candidipes from five Wisconsin ...
Krauth, Steven J
core   +2 more sources

Intersepsi Curah Hujan Pada Tegakan Pohon Pinus (Casuarina cunninghamia)

open access: yesRona Teknik Pertanian, 2013
ABSTRAK. Proses tertahannya curah hujan di atas tajuk vegetasi dikenal dengan istilah intersepsi. Penelitian ini bertujuan untuk melakukan pengukuran intersepsi, air lolos (throughfall), dan aliran batang (stemflow) pada tegakan pohon pinus (Casuarina ...
Susi Chairani, Dewi Sri Jayanti
doaj   +1 more source

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