Monday, October 25, 2010

Thursday October 21, 2010

Article 1
Citation:  Gosselin LA, Chia FS. 1995. Distribution and Dispersal of early juvenile snails: effectiveness of intertidal microhabitats as refuges and food sources. J. Experimental Marine Biology and Ecology. 214(1):195-229
Why is it useful?  It is useful because it talks about difference species of Nucella and their habits of feeding.
What hypothesis do they test? Are microhabitats affecting juvenile snail’s mortality?
Why do they test this hypothesis? Because these researchers love snails!
Why is this hypothesis relevant to your research? This affects the marginal growth of SNAILS!

Article 2
Citation:
Berlow EL, Navarrete SA. 1997. Spatial and temporal variation in rocky intertidal community organization: lessons from repeating field experiments. J Experimental Marine Biology and Ecology. 214(1):195-229
Why is it useful? The organization of barnacles effects on how many of them are being knocked off by my snail! That is also relevant to my marginal growth!
What hypothesis do they test? Do the distribution of barnacles and bare spaces affect whelks and limpets?
Why do they test this hypothesis? They test this because they believe that whelks and limpets play a key role on patches of Semibalanus which are on rocks.
Why is this hypothesis relevant to your research? Yes I am actually sending this article to myself as I type so I can use this later. It seems to be very relevant to my research.

Article 3
Citation:
Hhunt HL, Scheibling RE. 1998. Effects of whelk (Nucella lapillus(L.)) predation on mussel (Mytilus trossulus (Gould), M-edulis(L.)) assemblages in tidepools and on emergent rock on a wave-exposed rocky shore in Nova Scotia, Canada. J Experimental Marine Biology and Ecology. 226(1):87-113
Why is it useful? This article talks about the predation of Nucella.
What hypothesis do they test? Can the size of Nucella be predicted from the diameter of the drill hole created while feeding?             
Why do they test this hypothesis? Because if the snail isn’t there anymore and you want to find out the size of the snail, you can do so by measuring the hole.
Why is this hypothesis relevant to your research? This can also help me look for things about the snail in which I will be discussing.
Citation:
Grout JA, Levings CD, Richardson JS. 1997. Decomposition rates of purple loosestrife (Lythrum salicaria) and Lyngbyei’s sedge (Carex lyngbyei) in the Fraser River estuary. Estuaries 20(1):96-102
Why isn’t it useful? This article does not have to do with snails and marginal growth.
What hypothesis do they test? They test to see if they decomposition rates between the two plants in the river have different rates of decomposition.
Why do they test this hypothesis? They want to see which is faster so that they can manage habitats better.
Why isn’t this hypothesis relevant to your research? This hypothesis is talking about an estuarian ecosystem, while what I am looking for is a tidal ecosystem.

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