Results 31 to 40 of about 148,148 (362)

Identification, Classification, Mapping of Model and Secondary Steppe Ecosystems Within the Orenburg-Kazakhstan Cross-Border Region

open access: yesVestnik Volgogradskogo Gosudarstvennogo Universiteta. Seriâ 11. Estestvennye Nauki, 2014
The article deals with the current issues of modern steppe management in the Orenburg-Kazakhstan cross-border region. The authors use the data of their own field research over the period of 2009-2014 aimed at detection and classification of model and ...
Yakovlev Ilya Gennadyevich   +2 more
doaj   +1 more source

Critical review of the impacts of grazing intensity on soil organic carbon storage and other soil quality indicators in extensively managed grasslands [PDF]

open access: yes, 2017
Acknowledgements This work contributes to the N-Circle project (grant number BB/N013484/1), and CINAg (BB/N013468/1) Virtual Joint Centres on Agricultural Nitrogen (funded by the Newton Fund via UK BBSRC/NERC), U-GRASS (grant number NE/M016900/1), the ...
Abdalla, M.   +7 more
core   +3 more sources

Impact of Human Activities on Hydrological Drought Evolution in the Xilin River Basin

open access: yesAtmosphere, 2022
The impact of human activities on the hydrological cycle makes hydrological drought no longer a natural disaster in a strict sense, and influences the stationarity of the hydrologic process. In this context, assessment methods that consider nonstationary
Wei Li   +5 more
doaj   +1 more source

Analysis of modern problems of cooperation between the Russian Federation and the Republic of Kazakhstan in the field of environmental management and environmental safety

open access: yesЮг России: экология, развитие
Aim. The problems of cooperation between the Russian Federation and the Republic of Kazakhstan in the field of nature management and environmental safety are considered.
S. V. Levykin   +2 more
doaj   +1 more source

Solving the woolly mammoth conundrum: amino acid 15N-enrichment suggests a distinct forage or habitat [PDF]

open access: yes, 2015
Understanding woolly mammoth ecology is key to understanding Pleistocene community dynamics and evaluating the roles of human hunting and climate change in late Quaternary megafaunal extinctions. Previous isotopic studies of mammoths’ diet and physiology
Longstaffe, Fred J   +3 more
core   +2 more sources

Spatial assessment of the anthropogenic load level in the steppe regions of Russia

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2019
The environment of Russia, with steppe regions in particular, is under high anthropogenic load. Due to the economic advance, natural steppe ecosystems in Russia have been subject to the anthropogenic stress for a long time.
A.A. Chibilyov Jr.   +2 more
doaj   +1 more source

Deciphering acoustic emission signals in drought stressed branches: the missing link between source and sensor [PDF]

open access: yes, 2015
When drought occurs in plants, acoustic emission (AE) signals can be detected, but the actual causes of these signals are still unknown. By analyzing the waveforms of the measured signals, it should, however, be possible to trace the characteristics of ...
Hamstad, Marvin A   +3 more
core   +3 more sources

Assessment of Prospects for Sustainable Cross‐Border Cooperation of the Russian Post‐Virgin Regions of the Urals and Siberia with the Republic of Kazakhstan

open access: yesЮг России: экология, развитие
Aim. Comprehensive assessment of the stability of cross‐border cooperation between the Russian steppe regions of the Urals and Siberia and the Republic of Kazakhstan in the fields of foreign trade and migration.
A. A. Chibilev (jr.)   +3 more
doaj   +1 more source

Mowing weakens the positive effects of nitrogen deposition on fundamental ecosystem service of grassland

open access: yesEcological Processes, 2021
Forage yield is the fundamental ecosystem service of grasslands. While the quantitative responses of forage yield to nitrogen (N) enrichment are well known, its qualitative responses remain unclear. Even less known is the relative contribution of changes
Cong Ding   +7 more
doaj   +1 more source

Spatial and temporal structure of the spider community in the clay semi-desert of western Kazakhstan [PDF]

open access: yes, 2011
The spatial and temporal structure of spider communities was studied in the clay semi-desert of the north-western Caspian Lowland, western Kazakhstan (49°23' N, 46°47' E).
Piterkina, Tatyana V.
core   +2 more sources

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