Results 21 to 30 of about 15,044,355 (406)
Trakya University Journal of Natural Sciences, 2016 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 +4 more sources
Journal of Optometry, 2014 Purpose: To analyze the effect of seasonal changes in residual refraction 1-year after corneal refractive surgery using the SCHWIND AMARIS laser system. Methods: 5740 consecutive treatments have been retrospectively reviewed.
Michiel H.A. Luger +2 more
doaj +1 more source
Journal of Economic Dynamics and Control, 1994 This paper explores the hypothesis that the seasonal patterns of macroeconomic variables vary with expansions and contractions. Graphical techniques and generalized predictive tests for structural stability are used to identify and test patterns of changing seasonality.
Canova, Fabio, Ghysels, Eric
openaire +4 more sources
Profound seasonal changes in brain size and architecture in the common shrew
Brain Structure and Function, 2018 The seasonal changes in brain size of some shrews represent the most drastic reversible transformation in the mammalian central nervous system known to date.
Javier Lázaro +4 more
semanticscholar +1 more source
Animal Behavior and Cognition, 2017 In inclement weather, northern zoos are required to provide animals from warmer climates with indoor exhibits. These indoor exhibits are typically smaller, lack natural substrate, and have lower levels of stimulation for the animals.
Vol 4, Issue 2, May 2017 Monitoring the Behavioral and Adrenal Activity of Giraffe (Giraffa camelopardalis) to Assess Welfare During Seasonal Housing Changes Authors Catherine B. Razal +2 more
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Seasonal changes in the assembly mechanisms structuring tropical fish communities.
Ecology, 2017 Despite growing interest in trait-based approaches to community assembly, little attention has been given to seasonal variation in trait distribution patterns.
Daniel B. Fitzgerald +3 more
semanticscholar +1 more source
Seasonal variation in gas exchange by plants of Erythroxylum simonis Plowman
Acta Botânica Brasílica, 2018 Erythroxylum simonisis an understory species found in Northeast Brazil. Due to its shaded habitat,E. simonisis subjected to seasonal oscillations of the environment, to which it must respond ecophysiologically. The objective of this study was to evaluate
João Everthon da Silva Ribeiro +4 more
doaj +1 more source
Scientifica, 2016 Antioxidant defence system, a highly conserved biochemical mechanism, protects organisms from harmful effects of reactive oxygen species (ROS), a by-product of metabolism.
G. Chainy, B. Paital, J. Dandapat
semanticscholar +1 more source
Seasonal deuterium excess in a Tien Shan ice core: Influence of moisture transport and recycling in Central Asia [PDF]
, 2003 Stable water isotope (δ18O, δD) data from a high elevation (5100 masl) ice core recovered from the Tien Shan Mountains, Kyrgyzstan, display a seasonal cycle in deuterium excess (d = δD − 8*δ18O) related to changes in the regional hydrologic cycle during ...
Aizen, V +4 more
core +3 more sources
Biotechnology for Biofuels, 2017 BackgroundAlthough outdoor cultivation systems have been widely used for mass production of microalgae at a relatively low cost, there are still limited efforts on outdoor cultivation of carbohydrate-rich microalgae that were further used as feedstock ...
Shih‐Hsin Ho +7 more
semanticscholar +1 more source