Results 91 to 100 of about 4,984 (229)

DINAMICA SECULARĂ A FLOREI SINANTROPE NECULTIVATE A REPUBLICII MOLDOVA

open access: yesStudia Universitatis Moldaviae: Stiinte reale si ale naturii, 2010
Statistical analysis of the uncultured synanthropic flora described during XIX – XXI centuries contains a number of 731 species. A considerable increase of annual and biannual species was observed during this time.
USM ADMIN
doaj  

Extremely large fires shape fire severity patterns across the diverse forests of British Columbia, Canada

open access: yesEcosphere, Volume 16, Issue 8, August 2025.
Abstract Warming and drying conditions are driving increases in wildfire size and annual area burned across the forests of British Columbia, Canada. The impact of increasing fire activity on these forests remains unclear as examination of concurrent changes to fire severity is lacking.
L. Collins   +7 more
wiley   +1 more source

Seasonal life cycle of the tropical cricket Eneoptera surinamensis (Orthoptera, Gryllidae, Eneopterinae) Ciclo de vida e distribuição sazonal do grilo tropical Eneoptera surinamensis (Orthoptera, Gryllidae, Eneopterinae)

open access: yesIheringia: Série Zoologia, 2006
The life cycle and seasonal distribution of a tropical population of Eneoptera surinamensis (De Geer, 1773) were analyzed aiming to verify whether this species life cycle is associated to the wet and dry seasons.
Edison Zefa   +5 more
doaj   +1 more source

Synoptic Air Mass Controls on Global and Regional Precipitation

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 9, 16 May 2025.
Abstract Despite the complexity of the physical mechanisms behind precipitation, many studies linking precipitation to weather types or atmospheric circulation focus on a single variable, oversimplifying the interactions involved. An alternative approach to examining precipitation involves the use of synoptic air masses, which provide a multivariate ...
Omon A. Obarein, Cameron C. Lee
wiley   +1 more source

Active geothermal systems with entrained seawater as analogues for low-sulphidation epithermal mineralization [PDF]

open access: yes, 2005
The paradigm for low-sulphidation (LS) volcanic-arc associated mineralization is the active geothermal systems located along the Taupo Volcanic Zone (e.g. Broadlands). However, this analogue is inapt where fluid salinities are consistently in excess of 3.
Darbyshire, Fiona   +2 more
core   +1 more source

Multilevel Drought-Induced Resistance and Resilience Analysis for Vegetation in the Yellow River Basin

open access: yesAtmosphere
In this study, a multilevel drought-induced resistance and resilience analysis (MDRRA) approach was developed to investigate the stability of vegetation in the Yellow River Basin (YRB).
Jingjing Fan   +8 more
doaj   +1 more source

Effect of magnetic field on current colection on bare tether in LEO [PDF]

open access: yes, 2002
An eiectrodynamic Tether is a long thin conductive string deployed from a spacecraft. A part of the ED tether near one end, which is rendered positive by the Electromotive force (EMF)along the tether, collects electrons from the ambient plasma.
Cooke, D.L.   +3 more
core  

The importance of mineralogical knowledge in the sustainability of artisanal gold mining: a mid-south Peru case [PDF]

open access: yes, 2019
Mineralogy and gold processing techniques from several mining areas of the Nazca-Ocoña gold belt, Mid-South Peru, were investigated to assess the efficiency of gold extraction methods in relation to their mineralogy.
Alfonso Abella, María Pura   +7 more
core   +2 more sources

Laser Ablation ICPMS Analysis of Pyrite and U-Pb Zircon Dating of Host Rocks From the Tersang Gold Deposit, Malaysia

open access: yesAIMS Geosciences, 2017
The Central gold belt of peninsular Malaysia comprises a number of gold deposits located in the east of the N-S striking Bentong-Raub Suture Zone. The Tersang gold deposit is a mesothermal, orogenic gold deposit, which is hosted in sandstone, shale ...
Charles Makoundi, Khin Zaw, R.R. Large
doaj   +1 more source

The cassiterite-anatase-ilmenite-monazite-sulphide-chlorite assemblage of North Tincroft Lode [PDF]

open access: yes, 2013
North Tincroft Lode (New Cook's Kitchen Mine) forms a segment of an ENE-WSW-striking lode structure that can be traced for similar to2 km along strike and similar to800 m vertically through the Camborne-Redruth mining district, Lode samples from ...
Jewson, C.   +2 more
core  

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