Results 21 to 30 of about 324,775 (298)

SEASONAL EVALUATION OF THE CONDITION FACTOR IN A SURF-ZONE ASSEMBLAGE FROM SOUTHEASTERN BRAZIL

Boletim do Instituto de Pesca, 2019
The surf zone is a highly dynamic environment subject to seasonal fluctuations which could impose restrictions to the development of juvenile fish. The allometric condition factor index (K) provides a value of ‘well-being’ for fish, been used to compare ...
Eidi Kikuchi SANTOS, Fernando Rafael de GRANDE, Teodoro Vaske JÚNIOR   +2 more
doaj   +1 more source

Defining frigid winter illuminates its loss across seasonally snow-covered areas of eastern North America

Environmental Research Letters, 2020
Winter is often understudied in ecosystem sciences and viewed as a burden for human systems and infrastructure. However, the importance of winter in regulating ecological processes and shaping human communities has emerged as a topic of great interest ...
Alexandra R Contosta, Nora J Casson, Sarah J Nelson, Sarah Garlick   +3 more
doaj   +1 more source

Deterministic seasonality versus seasonal fractional integration [PDF]

Journal of Statistical Planning and Inference, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +6 more sources

The Seasonal and Meteorological Relationships of Diagnostic Distribution of Patients Presenting with Musculoskeletal Complaints According to Gender

Türk Osteoporoz Dergisi, 2017
Objective: The seasonal relationship of incidence of musculoskeletal system (MSS) pathologies according to gender and their meteorological variability has not been investigated satisfactorily. The aim of this study is to determine diagnostic distribution
Ayhan Kul, Mahir Uğur
doaj   +1 more source

Parasuicide at Ga Rankuwa Hospital

South African Family Practice, 1987
No abstract available.
D.J.W. Peiser, G.S. Fehrsen
doaj   +1 more source

The Migratory Properties and Numbers of T Regulatory Cell Subsets in Circulation Are Differentially Influenced by Season and Are Associated With Vitamin D Status

Frontiers in Immunology, 2020
The control of peripheral immune responses by FOXP3+ T regulatory (Treg) cells is essential for immune tolerance. However, at any given time, Treg frequencies in whole blood can vary more than fivefold between individuals.
Abigail A. Lamikanra, Abigail A. Lamikanra, Hoi Pat Tsang, Hoi Pat Tsang, Shaza Elsiddig, Shaza Elsiddig, Michael Spencer, Michael Spencer, Elinor Curnow, Robert Danby, Robert Danby, David J. Roberts, David J. Roberts   +12 more
doaj   +1 more source

Seasonal Association of Immune Thrombocytopenia in Adults

Balkan Medical Journal, 2015
Background: Immune thrombocytopenia (ITP) is an autoimmune disorder. It is characterized by thrombocytopenia due to thrombocyte destruction mediated by autoantibodies; however, cytotoxic and defective regulatory T-lymphocytes play an important role in ...
Anıl Tombak, Burcu Boztepe, Naci Tiftik, Melda Cömert, Ozan Salim, Kaniye Aydın, Emel Gürkan, Orhan Kemal Yücel, Güray Saydam, Mehmet Ali Sungur   +9 more
doaj   +1 more source

Photoperiod-induced alterations in biomarkers of oxidative stress in rats of different ages and individual physiological reactivity

Біологія тварин, 2022
This study was undertaken to investigate the photoperiod- and age-related variability between the activity of oxidative stress biomarkers in rats with different physiological reactivity estimated by different resistance to hypoxia.
N. Kurhaluk, H. Tkachenko, T. Partyka
doaj   +1 more source

Hybrid Genetic Algorithm−Based BP Neural Network Models Optimize Estimation Performance of Reference Crop Evapotranspiration in China

Applied Sciences, 2022
Precise estimation of reference evapotranspiration (ET0) is of significant importance in hydrologic processes. In this study, a genetic algorithm (GA) optimized back propagation (BP) neural network model was developed to estimate ET0 using different ...
Anzhen Qin, Zhilong Fan, Liuzeng Zhang
doaj   +1 more source

Seasonal Variation in Gut Microbiota Related to Diet in Fejervarya limnocharis

Animals, 2021
Organisms adapt to environmental fluctuations by varying their morphology and structural, physiological, and biochemical characteristics. Gut microbiome, varying rapidly in response to environmental shifts, has been proposed as a strategy for adapting to
Chunhua Huang, Wenbo Liao
doaj   +1 more source