life history
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Marine Policy ◽  
2022 ◽  
Vol 136 ◽  
pp. 104903
Author(s):  
Julian Ashford ◽  
Michael Dinniman ◽  
Cassandra Brooks ◽  
Lian Wei ◽  
Guoping Zhu

2022 ◽  
Vol 806 ◽  
pp. 150582
Author(s):  
Reyd A. Smith ◽  
David J. Yurkowski ◽  
Kyle J.L. Parkinson ◽  
Jérôme Fort ◽  
Holly L. Hennin ◽  
...  

2022 ◽  
Vol 8 (1) ◽  
pp. 101-106
Author(s):  
B. Begiev ◽  
Zh. Uraimov ◽  
A. Zhanbaeva ◽  
Zh. Imetova ◽  
Zh. Abdullaeva

Research relevance: the article presents the results after clinical observation of peripartum cardiomyopathy in a patient aged 30 years. Purpose of the study: to analyze the results of a clinical study conducted in the cardiology department of the Osh Medical United Clinical Hospital. Research methods: a differential diagnosis of acute myocarditis, idiopathic dilated cardiomyopathy and peripartum cardiomyopathy was carried out. Research results: taking into account the life history, laboratory and instrumental examination data, the diagnosis was peripartum cardiomyopathy. Conclusion: the treatment carried out gave a satisfactory clinical effect.


Author(s):  
Barbara L. Finlay

Understanding the adaptive functions of increasing brain size have occupied scientists for decades. Here, taking the general perspective of the Extended Evolutionary Synthesis, the question of how brains change in size will be considered in two developmental frameworks. The first framework will consider the particular developmental mechanisms that control and generate brain mass, concentrating on neurogenesis in a comparative vertebrate context. The consequences of limited adult neurogenesis in mammals, and the dominating role of duration of neurogenesis for mammalian evolution will be discussed for the particular case of the teleost versus mammalian retina, and for paths of brain evolution more generally. The second framework examines brain mass in terms of life history, particularly the features of life history that correlate highly, if imperfectly, with brain mass, including duration of development to adolescence, duration of parental care, body and range size, and longevity. This covariation will be examined in light of current work on genetic causes and consequences of covariation in craniofacial bone groupings. The eventual development of a multivariate structure for understanding brain evolution which specifically integrates formerly separate layers of analysis is the ultimate goal.


Fishes ◽  
2022 ◽  
Vol 7 (1) ◽  
pp. 21
Author(s):  
Logan W. Sikora ◽  
Joseph T. Mrnak ◽  
Rebecca Henningsen ◽  
Justin A. VanDeHey ◽  
Greg G. Sass

Black bullheads Ameiurus melas are an environmentally tolerant omnivorous fish species that are found throughout much of North America and parts of Europe. Despite their prevalence, black bullheads are an infrequently studied species making their biology, ecology, and life history poorly understood. Although limited information has been published on black bullheads, evidence suggests that bullheads can dominate the fish biomass and have profound influences on the fish community in some north temperate USA lakes. The goal of our study was to provide additional information on black bullhead population demographics, growth rates, life history characteristics, and seasonal diet preferences in a northern Wisconsin lake. Using common fish collection gears (fyke netting, electrofishing), fish aging protocols, fecundity assessments, and diet indices, our results suggested that black bullheads exhibited relatively fast growth rates, early ages at maturity, moderate fecundity, and a diverse omnivorous diet. Due to these demographic and life history characteristics, black bullheads have the potential to dominate fish community biomass in their native and introduced range. Results from our study may inform the management of black bullhead as native and invasive species.


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