Results 41 to 50 of about 35,506 (240)

Effects of Understory Vegetation on Soil Phosphorus Morphological and Availability in Larix gmelinii Forest in the Cold Temperate Zone

open access: yesShuitu Baochi Xuebao
[Objective] Due to the large differences in understorey vegetation and soil physicochemical properties of Larix gmelinii forest in the cold temperate zone of the Rreater Khingan Mountains, the characteristics and availability of soil phosphorus ...
ZHU Zhengqing, MAN Xiuling
doaj   +1 more source

Naakenavaara Interglacial - a till-covered peat deposit in western Finnish Lapland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1992
More than 100 till-covered organic deposits are currently known in the Finnish Lapland. All others, except Naakenavaara, are interpreted as having deposited during either the Early-Weichselian Peräpohjola/Maaselkä interstadial or the Eemian interglacial ...
M. Aalto, B. Eriksson, H. Hirvas
doaj   +1 more source

Tracing change in the public perception of plants: insights from archives and social media in China

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu   +4 more
wiley   +1 more source

Alcoholic extracts of Russian sage (Salvia yangii) contain bioactive terpenoids with inhibitory activity against grapevine downy mildew (Plasmopara viticola)

open access: yesPest Management Science, EarlyView.
Alcoholic extracts from flowers, leaves, and shoots of Russian sage decreased downy mildew severity on grapevine leaf disks. Fractionation followed by metabolomic analysis revealed putative terpenoids as the main components of the active fractions. Specifically, 7‐methylrosmanol, 12‐O‐methylcarnosic acid, carnosic acid, and carnosol were identified as ...
Anna Smaldone   +5 more
wiley   +1 more source

Expected performance of a Laue lens based on bent crystals

open access: yes, 2012
In the context of the LAUE project devoted to build a long focal length focusing optics for soft gamma-ray astronomy (70/100 keV to $>$600 keV), we present results of simulation of a Laue lens, based on bent crystals in different assembling ...
Frontera, Filippo   +3 more
core   +1 more source

Environmental accounting for ecosystem conservation: Linking societal and ecosystem metabolisms [PDF]

open access: yes, 2017
This paper proposes an approach to environmental accounting useful for studying the feasibility of socio-economic systems in relation to the external constraints posed by ecological compatibility.
Giampietro, Mario, Lomas, Pedro L.
core   +2 more sources

Изменчивость и дифференциация Larix cajanderi, L. dahurica и L. sibirica по форме семенных чешуй шишек

open access: yesTurczaninowia, 2018
Проведен анализ внутри- и межвидовой изменчивости трех видов лиственниц Северной Азии (Larix cajanderi, L. dahurica и L. sibirica) по форме семенных чешуй шишек с использованием методов геометрической морфометрии. Сборы шишек L. cajanderi включают девять
V.P. Vetrova   +2 more
doaj  

Pest categorisation of Guignardia laricina

open access: yesEFSA Journal, 2018
Following a request from the European Commission, the EFSA Panel on Plant Health performed a pest categorisation of Guignardia laricina, a well‐defined and distinguishable fungal species of the family Phyllostictaceae.
EFSA Panel on Plant Health (PLH)   +24 more
doaj   +1 more source

Uptake Patterns of Glycine, Ammonium, and Nitrate Differ Among Four Common Tree Species of Northeast China

open access: yesFrontiers in Plant Science, 2019
Fundamental questions of how plant species within secondary forests and plantations in northeast China partition limited nitrogen (N) resource remain unclear.
Feifei Zhu   +15 more
doaj   +1 more source

Study on the Limit of Moisture Content of the Sub-Surface Fires Converted to the Surface Fires in the Boreal Forests of China

open access: yesFire, 2023
A sub-surface forest fire is a type of smoldering combustion with a slower spread rate, longer combustion time, and lower combustion temperature compared with flame combustion.
Yanlong Shan   +6 more
doaj   +1 more source

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