Results 21 to 30 of about 5,064 (214)

Larch and fir in planted forest stand of the Precarpathian and the Carpathians regions: silvicultural-biometric characteristics and growth peculiarities

open access: yesНаукові праці Лісівничої академії наук України, 2018
In the western region of Ukraine, silver fir (Abies alba Mill.) is a common mainly in the Precarpathians and the Carpathians. Within the natural range it forms high-yielding, predominantly mixed stands.
Iurii Debryniuk
doaj   +1 more source

Larch Cellulose Shows Significantly Depleted Hydrogen Isotope Values With Respect to Evergreen Conifers in Contrast to Oxygen and Carbon Isotopes

open access: yesFrontiers in Earth Science, 2020
The analysis of the stable isotope of the tree-ring cellulose is an important tool for paleo climatic investigations. Long tree-ring chronologies consist predominantly of oaks and conifers in Europe, including larch trees (Larix decidua) and cembran ...
Tito Arosio   +8 more
doaj   +1 more source

Holocene wildfire and vegetation dynamics in Central Yakutia, Siberia, reconstructed from lake-sediment proxies

open access: yesFrontiers in Ecology and Evolution, 2022
Wildfires play an essential role in the ecology of boreal forests. In eastern Siberia, fire activity has been increasing in recent years, challenging the livelihoods of local communities.
Ramesh Glückler   +18 more
doaj   +1 more source

Do Politically Motivated Import Bans Leave Lasting Scars? Evidence From Australian–Chinese Beef Trade

open access: yesAgribusiness, EarlyView.
ABSTRACT In May 2020, China abruptly suspended imports from several major Australian beef processors, escalating a diplomatic dispute between the two countries. This trade measure disrupted one of the largest beef export relationships in the world almost overnight.
K. Aleks Schaefer, Youngjune Kim
wiley   +1 more source

Not All Agreements Are Equal: Heterogeneous Effects of RTAs on Latin American Agri‐Food Exports, 1990–2019

open access: yesAgribusiness, EarlyView.
ABSTRACT Since the final decade of the 20th century, Latin American countries have increasingly regarded the signing of regional trade agreements (RTAs) as a promising strategy for expanding their exports. Within this context, the main objective of this study is to assess the impact of RTAs on agri‐food exports in Latin America over the period 1990 ...
María‐Isabel Ayuda   +2 more
wiley   +1 more source

Structure of Forests and Climatic Response of Trees in “Forest-Steppe” Contact Zone, the Altai Mountains [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2015
Age structure of forests and radial increment of conifers were studied in the “ forest–steppe” contact zone: Siberian stone pine–Siberian spruce–Siberian larch forest in the lower belt of Severo-Chuisky Range, Siberian larch–Siberian spruce–Siberian ...
Anatoly Yu. Bocharov, Dmitry А. Savchuk
doaj  

Digestion of wood-based hemicellulose extracts as screened by in vitro gas production method and verified in vivo using sheep

open access: yesAgricultural and Food Science, 2016
The objective of the present study was to evaluate the potential of pressurized hot water extracted hemicellulose fractions from various wood species as feeds for ruminants.
Marketta Rinne   +7 more
doaj   +1 more source

Analysis of oxidase activity and transcriptomic changes related to cutting propagation of hybrid larch

open access: yesScientific Reports, 2023
Hybrid larch is the main timber and afforestation tree species in Northeast China. To solve the problem of rooting difficulties in larch cutting propagation, enzyme activity determination and transcriptome sequencing were carried out on the rooting ...
Ruofan Qin   +5 more
doaj   +1 more source

A Larch Shared Language handbook

open access: yesScience of Computer Programming, 1986
This handbook consists of a collection of traits written in the Larch Shared Language, and is intended as a companion to the ''Report on the Larch Shared Language'' [see the preceding review]. It should serve three distinct purposes: provide a set of components that can be directly incorporated into other specifications; provide a set of models upon ...
John V. Guttag, James J. Horning
openaire   +1 more source

Decarbonization in Financial Turbulent Times: Global Value Chains and Regulatory Framework

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines how participation in global value chains (GVCs) influences carbon emissions amid financial turbulence, with attention to cross‐country heterogeneity and distributional dynamics. Although existing research has explored trade–environment linkages, limited attention has been given to how GVC integration interacts with ...
Xiaoyong Xu   +4 more
wiley   +1 more source

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