Article Analysis: “Algal Blooms Decrease Care but Increase Egg Survival in a Fish With Paternal Care”

Article Analysis: “Algal Blooms Decrease Care but Increase Egg Survival in a Fish With Paternal Care”

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In the primary literature article, the title, “Algal blooms decrease care but increase egg survival in a fish with paternal care”, was more like a hypothesis Jarvenpaa gave as general headline of what the paper will be talking about.
As for the abstract, it summarizes the paper in one paragraph, it includes the aim which is testing the effect of unclear water caused by algal on aspects of paternal care in a sand goby fish. It also summarizes the question Jarvenpaa was addressing. Then it includes the methods he used, allowing males to care for their eggs in clear and turbid water, to find the answer to the question he addressed. Finally he added the results he came up with that supported his hypothesis, that turbidity decreases egg care but increases egg survival.
From both the abstract and the title, the reader can easily assume that Jarevenpaa is trying to find evidence to support his hypothesis that algal bloom has an effect on father’s care to his egg by knowing the amount of survived eggs.
The introduction of the paper, “Algal blooms decrease care but increase egg survival in a fish with paternal care”, was rich enough to give the reader an idea about the background and the importance of this experiment conducted on sand goby fish. For every idea he included he cited more than one paper to support his ideas. Jarvenpaa started by explaining how changes in the environment would affect the parental care and he gave fish as an example. Jarvenpaa also described how any change in the concentration of oxygen would affect the costs and benefits of parental care in aquatic organisms; other researcher using flagfish and looking at parental care response to environmental gradient concluded this aspect (Hale et al, 2...


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..., the sand goby Pomatoschistus minutus. Proc R Soc Lond B 271:2361–2365
Maria Lissåker, Charlotta Kvarnemo.2006. Ventilation or nest defense—parental care trade-offs in a fish with male care. Behav Ecol Sociobiol 60:864–873

Kai Lindström.1992. Female spawning patterns and male mating success in the sand goby Pomatoschistus minutus. Mar Biol 113:475–480.
Kenji Karino, Reiko Arai. 2006. Effect of clutch size on male egg-fanning behavior and hatching success in the goby, Eviota prasina (Klunzinger). Journal of Experimental Marine Biology and Ecology 334:43–50.
Jonna Engström-Öst and Ulrika Candolin.2007. Human-induced water turbidity alters selection on sexual displays in sticklebacks. Behav Ecol 18:393–398
Marja Jairvenpaa and Kai Lindstrom.2011. Algal blooms decrease care but increase egg survival in a fish with paternal care. Behav Ecol Sociobiol 65:2023-2028

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