Results 41 to 50 of about 300,679 (303)

Caracterización y control de la caída foliar en pinos de Puebla

open access: yesRevista Mexicana de Ciencias Forestales, 2019
A partir de 2014, diferentes especies de pinos de la Sierra Norte de Puebla han presentado defoliaciones importantes. En el presente estudio se caracterizaron los agentes causales y se evaluó la efectividad de productos químicos y biológicos para el ...
Sheyla Nallely Muñoz Belmont   +4 more
doaj   +1 more source

The influence of vegetation structure and composition on invasibility by Pinus radiata in the Blue Mountains, NSW [PDF]

open access: yes, 2013
The exotic tree species Pinus radiata D. Don (in the family Pinaceae) has successfully spread from commercial plantations into adjacent vegetation in southeastern Australia.
Wardle, Glenda M., Williams, Moira C.
core  

Direct measurement of tree height provides different results on the assessment of LiDAR accuracy [PDF]

open access: yes, 2017
open8noopenSibona, Emanuele; Vitali, Alessandro; Meloni, Fabio; Caffo, Lucia; Dotta, Alberto; Lingua, Emanuele; Motta, Renzo; Garbarino, MatteoSibona, Emanuele; Vitali, Alessandro; Meloni, Fabio; Caffo, Lucia; Dotta, Alberto; Lingua, Emanuele; Motta ...

core   +1 more source

Synergistic Enhancement of Antioxidant Activity in Arbutus unedo Leaf Extract by Biological Fluids: Implications for Functional and Nutraceutical Applications

open access: yesBiotechnology and Applied Biochemistry, EarlyView.
ABSTRACT This study examined the effect of biological fluids (saliva, blood plasma, and urine) on the antioxidant capacity of an aqueous extract derived from Arbutus unedo leaves. The extract displayed a concentration‐dependent reducing activity in the ferric reducing power assay (IC50 = 292 ± 7.54 µg/mL) and phosphomolybdenum assays (IC50 = 461.67 ± 4.
Idir Moualek   +6 more
wiley   +1 more source

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

Volume de madeira de Pinus taeda L. em diferentes espaços vitais de crescimento. Wood volume of Pinus taeda L. at different growing spacings. [PDF]

open access: yesRevista do Instituto Florestal, 2015
Pinus taeda L. é uma das espécies do gênero Pinus mais plantadas na região Sul do Brasil por apresentar excelente crescimento e ótima adaptação às condições climáticas e de solo. Essa espécie é utilizada em larga escala, principalmente para a produção
Rodrigo LIMA   +4 more
doaj   +1 more source

A review of the historic and present ecological role of aquatic and shoreline wood, from forest to deep sea

open access: yesBiological Reviews, EarlyView.
ABSTRACT The ecology of forests, their losses, and terrestrial wood decomposition dynamics have been intensively studied and reviewed. In the aquatic realm, reviews have concentrated on large wood (LW) in rivers and the transition from freshwater to marine environments in the Pacific Northwest of North America. However, a comprehensive global synthesis
Jon Dickson   +9 more
wiley   +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

Produktivitas Getah Pinus (Pinus Merkusii Jungh Et De Vriese) Berdasarkan Ketinggian Tempat Dan Konsentrasi Stimulansia Asam Cuka (C2H4O2) [PDF]

open access: yes, 2015
The Production of oleoresin is affected by the application of stimulant and effect of elevation. The purpose of this research were to know the effect of C2H4O2 stimulant and effect of elevation to P. merkusii and to know the C2H4O2 concentration and the
Batubara, R. (Ridwanti)   +2 more
core  

The Siricidae (Hymenoptera: Symphyta) of Florida [PDF]

open access: yes, 2013
The six species of Siricidae (Hymenoptera: Symphyta) occurring in Florida and one species of regulatory concern introduced to North America are reviewed.
Leavengood, John M., Jr.   +1 more
core   +3 more sources

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