Results 111 to 120 of about 30,102 (295)
Nordic Journal of Botany, EarlyView.Isoetes ×atruensis hyb. nov. is shown to be a triploid (2n = 3× = 33 + 1) sterile interspecific hybrid between diploid (2n = 2× = 22 + 1) I. coromandelina and tetraploid (2n = 4× = 44 + 1) I. rajasthanensis. It has been found in two locations in Rajasthan, India.
Sarvesh Kumar Singh +4 more
wiley +1 more source
Effects of principal stress rotation and drainage on the resilient stiffness of railway foundations
, 2013 Railway foundations play an integral role in controlling the stability of the overlying track structure and the maintenance of the overall track geometry.
Mamou, A.
core
People and Nature, EarlyView.Abstract The expansion of grey wolves (Canis lupus) across the western United States, including on public lands used for extensive livestock grazing, requires tools and techniques for reducing wolf–livestock conflict and supporting coexistence. We examined approaches used on forested lands managed by the U.S.
Robert M. Anderson +3 more
wiley +1 more source
Control Strategy of the Brake Dynamics for Railway Vehicles Equipped with Anti-Slip-Device
, 2006 From the point of view of railway vehicle braking processes it is an important requirement to maintain the roll-ing-motion-state of the wheels, i.e. the macro-sliding-free rolling contact between the vehicle wheels and the rail-head, since in the course ...
Békefi, Elemér, Zobory, István
core
People and Nature, EarlyView.Abstract Conservation performance payments are becoming an increasingly popular instrument to tackle human–wildlife conflicts. In Sweden, Sámi communities practicing reindeer husbandry receive performance payments as compensation for reindeer losses caused by lynxes and wolverines.
Josef Kaiser +3 more
wiley +1 more source
Adaptation and reconstruction of the stations on the Finland railway road
MATEC Web of Conferences, 2018 The article deals with the main problems of reconstruction and adaptation to modern conditions of functioning of historical stations of the Finnish railway. The Finnish railway was the first railway created in the Northern direction in the Russian Empire.
Vozniak Ekaterina +2 more
doaj +1 more source
Justice in coexistence: Pastoralism and large carnivores on the Qinghai‐Tibet Plateau
People and Nature, EarlyView.Abstract The conflict between livestock husbandry and large carnivore conservation presents significant challenges in grassland ecosystems worldwide. Achieving sustainable coexistence among herders, livestock and large carnivores requires reconciling diverse perspectives and interests through equitable, inclusive and fair processes that address both ...
Yufang Gao, Yue Yu
wiley +1 more source
People and Nature, EarlyView.Abstract High nature value (HNV) pastoral systems, that is those maintained by herding, transhumance and extensive grazing practices, are recognised as cornerstones of European biodiversity, cultural heritage and ecosystem service provision. Yet these systems are currently under significant pressure from a range of economic, social and environmental ...
Katrina Marsden +7 more
wiley +1 more source
Cost-Benefit Analysis of Kirkuk Sulymaniya Railway Project
Journal of Engineering and Sustainable Development, 2013 The railway network is considered one of the major stone in the economic skeleton in most countries. Herein, the user benefit was investigated when a new railway track is to be installed between Kirkuk and Sulymaniya cities in the north of Iraq.
Ali J. Kadhim +2 more
doaj
The Influence of Subgrade Subsidence on Train Track Dynamic Interaction
, 2012 Railways 2012 The First International Conference on Railway Technology: Research, Development and Maintenance Las Palmas de Gran Canaria, Spain 18-20 April 2012This paper reports results from a numerical model to calculate subgrade settlement in ...
E.J. OBrien +5 more
core +1 more source