Results 21 to 30 of about 43,155 (280)

Relating Depth and Diversity of Bivalvia and Gastropoda in Two Contrasting Sub-Arctic Marine Regions

open access: yesFrontiers in Marine Science, 2019
The need to understand species distribution- and biodiversity patterns in high-latitude marine regions is immediate as these marine environments are undergoing rapid environmental changes, including ocean warming and ocean acidification. By the year 2100,
Hronn Egilsdottir   +3 more
doaj   +1 more source

Boosting Ridge Regression [PDF]

open access: yes, 2005
Ridge regression is a well established method to shrink regression parameters towards zero, thereby securing existence of estimates. The present paper investigates several approaches to combining ridge regression with boosting techniques.
Binder, Harald, Tutz, Gerhard
core   +1 more source

EFFECT OF INTERCROPPING MAIZE AND SUNFLOWER ON SOYBEAN YIELD AND ITS COMPONENTS UNDER TILLAGE SYSTEMS IN RECLAIMED LAND [PDF]

open access: yesJournal of Plant Production, 2004
Two field experiments were conducted at Nubaria Agric. Res. Station during 2000 and 2001 seasons. The objectives of this investigate was aimed to study the effect of tillage systems (conventional tillage and no-tillage) and four intercropping patterns:
F. Nawar,
doaj   +1 more source

Compilation of water-resources data and hydrogeologic setting for four research stations in the Piedmont and Blue Ridge Physiographic Provinces of North Carolina, 2000—2004 [PDF]

open access: yesOpen-File Report, 2006
Abstract : Water-resources data were collected to describe the hydrologic conditions at four research stations in the Piedmont and Blue Ridge Physiographic Provinces of North Carolina. Data collected by the U.S. Geological Survey and the North Carolina Department of Environment and Natural Resources, Division of Water Quality, from September 2000 ...
Brad A. Huffman   +6 more
openaire   +1 more source

RESPONSE OF Carum carvi L. FRUIT AND ESSENTIAL OIL YIELD TO SOWING METHOD , PLANTING DISTANCES AND SOME MICRONUTRIENT APPLICATION METHODS [PDF]

open access: yesJournal of Plant Production, 2003
Two field trials were conducted during 1998 / 1999 and 1999 / 2000 at El-Gimiza Research Station Farm, to study the effect of sowing method (at one side of the ridge or both sides of the ridge), two planting distances (20 or 30 cm) and some ...
S. Younis, F. Moussa, N. Ghaly,
doaj   +1 more source

Figure 7 Aegir Ridge 2000 m to 600m

open access: yes, 2022
Figure 7 Aegir Ridge 2000 m to ...
Morgane Le Saout (12467619)   +12 more
core   +1 more source

Spatial decoupling of α and β diversity suggest different management needs for coral reef fish along an extensive mid-oceanic ridge

open access: yesGlobal Ecology and Conservation, 2022
Understanding the underlying drivers of biodiversity is essential for conservation planning of large, connected seascapes. We tested how patterns in α and β components of species and functional diversity of coral reef fish (214, species, 23 families ...
Rucha Karkarey   +5 more
doaj   +1 more source

Moytirra: Discovery of the first known deep-sea hydrothermal vent field on the slow-spreading Mid-Atlantic Ridge north of the Azores [PDF]

open access: yes, 2013
Geological, biological, morphological, and hydrochemical data are presented for the newly discovered Moytirra vent field at 45oN. This is the only high temperature hydrothermal vent known between the Azores and Iceland, in the North Atlantic and is ...
Coughlan, M.   +43 more
core   +1 more source

Roots [PDF]

open access: yesOceanography, 2012
It is with especially great pleasure, and a bit of nostalgia, that I introduce the March 2012 special issue of Oceanography on "Oceanic Spreading Center Processes: Ridge 2000 Program Research." My very first oceanographic cruise was to the Juan de Fuca ...
Ellen S. Kappel
doaj  

On the Potential for Bioenergy and Biofuels from Hydrothermal Vent Microbes [PDF]

open access: yesOceanography, 2012
The discovery of deep-sea hydrothermal vents caused scientists to reconsider their notions about life in the deep sea. In these seemingly inhospitable environments, free-living microbes, as well as microbial-animal symbioses, thrive in the warm waters ...
Peter R. Girguis, James F. Holden
doaj  

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