Results 41 to 50 of about 1,046,139 (240)

Seasonal changes in growth of coho salmon (Oncorhynchus kisutch) off Oregon and Washington and concurrent changes in the spacing of scale circuli [PDF]

open access: yes, 2005
In this study we present new information on seasonal variation in absolute growth rate in length of coho salmon (Oncorhynchus kisutch) in the ocean off Oregon and Washington, and relate these changes in growth rate to concurrent changes in the spacing of
Fisher, Joseph P., Pearcy, William G.
core  

Effects of Weather Conditions on Phenolic Content and Antioxidant Capacity in Juice of Chokeberries (Aronia melanocarpa L.)

open access: yesPolish Journal of Food and Nutrition Sciences, 2017
Chokeberries are a subject of numerous studies due to a high phenolic compound content, antioxidant properties and potential positive influence on the health.
Tolić Mandica-Tamara   +5 more
doaj   +1 more source

Zooplankton Fauna (Rotifera, Cladocera, Copepoda) of Süloğlu Dam Lake (Edirne) and its Seasonal Changes

open access: yesTrakya University Journal of Natural Sciences, 2015
This study was carried out between March 2013 and February 2014 in order to determine the zooplankton composition and density in Süloğlu Dam Lake. Zooplankton samples were collected at 4 stations in the lake using a plankton net with a mesh size of 55 µm
Hüseyin Güher, Şehnaz Çolak
doaj  

Seasonal changes of electrophysiological heterogeneities in the rainbow trout ventricular myocardium

open access: yesCurrent Research in Physiology, 2022
Introduction: Thermal adaptation in fish is accompanied by morphological and electrophysiological changes in the myocardium. Little is known regarding seasonal changes of spatiotemporal organization of ventricular excitation and repolarization processes.
Marina A. Vaykshnorayte   +2 more
doaj  

Population studies on gerbils of the western desert of Egypt, with special reference to Gerbillus andersoni DE Winton [PDF]

open access: yes, 1980
Population studies on the gerbil, Gerbillus andersoni, were carried out in Omayed in the Western Desert of Egypt during the period from July 1976 through August 1978 inclusive.
Soliman, Sohail, Wassif, Kamal
core  

Seasonal weight changes in laboratory ferrets.

open access: yesPLoS ONE, 2020
Ferrets (Mustela putorius furo) are a valuable animal model used in biomedical research. Like many animals, ferrets undergo significant variation in body weight seasonally, affected by photoperiod, and these variations complicate the use weight as an ...
Eleanor J Jones   +4 more
doaj   +1 more source

Changes in physical and chemical variables [PDF]

open access: yes, 1939
An article reviewing the work undertaken looking at the seasonal variation of chemical conditions in water at various depths in lakes. The laboratory tests undertaken for the research is outlined, as well as details of the sampling locations and the ...
Mortimer, C.H.
core  

The transcriptional repressor complex FRS7-FRS12 regulates flowering time and growth in Arabidopsis [PDF]

open access: yes, 2017
Most living organisms developed systems to efficiently time environmental changes. The plant-clock acts in coordination with external signals to generate output responses determining seasonal growth and flowering time.
De Clercq, Rebecca   +17 more
core   +2 more sources

Is dry climate related to hospital admission for epistaxis?

open access: yesInternational Archives of Otorhinolaryngology, 2009
Introduction: Epistaxis constitutes the main otorhinolaryngological emergency and presents a potential risk to life in cases of severe bleeding. There seems to be a seasonal correlation of the climate to epistaxis and the opinions are divided about which
Rezende, Gustavo Lara   +4 more
doaj  

Difference between equinox-2010 for Saturn from previous three

open access: yesВісник Астрономічної школи, 2020
Saturn's equatorial plane has an inclination of 26.75° to the plane of its orbit. Therefore, its atmosphere is characterized by seasonal changes. Because of the eccentricity of 0.056 orbit, the southern hemisphere receives 25% more energy from the sun ...
A. P. Vidmachenko
doaj   +1 more source

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