Results 31 to 40 of about 2,942,904 (340)

MAPPING OF ECOSYSTEM SERVICES AT THE LOCAL LEVEL: A REVIEW OF THE CURRENT STATE OF RESEARCH [PDF]

open access: yesВопросы лесной науки, 2022
The concept of ecosystem services (ES) has aroused interest among researchers around the world with the growing anthropogenic pressure on natural ecosystems.
A.N. Narykova, A. S. Plotnikova
doaj   +1 more source

Tree diversity patterns along the latitudinal gradient in the northwestern Russia

open access: yesForest Ecosystems, 2017
Background One of the key forest characteristics is the biodiversity, particularly the diversity of trees which are forest ecosystem engineers. Nowadays the most worldwide common approach for assessment of forest conditions and dynamics is based on the ...
Elena Tikhonova   +6 more
doaj   +1 more source

Web-based GIS for mapping fire regimes of Pechoro-Ilych reserve and its surroundings [PDF]

open access: yesВопросы лесной науки, 2020
The article focuses on the description of fire regimes mapping environment for the Pechora-Ilych nature reserve and its surroundings. The purpose of the system is presentation of fire regimes maps of the studied territory to a wide range of researchers ...
A.S. Plotnikova, A.O. Kharitonova
doaj   +1 more source

The Sleep Impact on Activity Diary (SIAD): A Novel Assessment of Daytime Functioning in Insomnia

open access: yesBrain Sciences, 2021
Daytime impairments feature in the diagnostic criteria for insomnia disorder yet are rarely assessed comprehensively in clinical practice and tend to focus on mood and subjective assessment of cognitive competence. In order to gain more information about
Kelsey Bickley, Nicole Lovato, Leon Lack
doaj   +1 more source

QUANTITATIVE ESTIMATES OF DIRECT PYROGENIC CARBON EMISSIONS IN FORESTS OF RUSSIA ACCORDING TO REMOTE MONITORING DATA 2021 [PDF]

open access: yesВопросы лесной науки, 2022
The paper presents statistic of the amount of direct Carbon emissions during wildfires of 2021 in the forested lands of Russia using long-term satellite data.
D.V. Ershov, E. N. Sochilova
doaj   +1 more source

Advantages and Technological Progress of Hydrogen Fuel Cell Vehicles

open access: yesWorld Electric Vehicle Journal, 2023
The automotive industry is undergoing a profound transformation driven by the need for sustainable and environmentally friendly transportation solutions [...]
Tiande Mo, Yu Li, Yang Luo
doaj   +1 more source

On Productivity: The Influence of Natural Resource Inputs [PDF]

open access: yesInternational Productivity Monitor, 2014
The production function underlying standard estimates of multifactor productivity (MFP) typically restricts the list of explicitly measured inputs to capital, labour and intermediate inputs (energy, materials and services).
Vernon Topp, Tony Kulys
doaj  

Bioreactor for Blood Product Production [PDF]

open access: yesCell Transplantation, 2012
The feasibility of ex vivo blood production is limited by both biological and engineering challenges. From an engineering perspective, these challenges include the significant volumes required to generate even a single unit of a blood product, as well as the correspondingly high protein consumption required for such large volume cultures.
Doran, Michael   +5 more
openaire   +5 more sources

R&D and productivity : estimating production functions when productivity is endogenous [PDF]

open access: yes, 2006
We develop a simple estimator for production functions in the presence of endogenous productivity change that allows us to retrieve productivity and its relationship with R&D at the firm level.
Doraszelski, Ulrich, Jaumandreu, Jordi
core   +3 more sources

CARBON IN SOILS IN FOREST REGIONS OF EUROPEAN-URAL PART OF RUSSIA

open access: yesВопросы лесной науки, 2021
The carbon pool of the soil block of the European-Ural part of Russia was estimated on the basis of land categories adopted in the State Forest Register (21 biotopes in total). Published data of 675 soil sections using the coordinates and descriptions of
O.V. Chestnykh   +2 more
doaj   +1 more source

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