User:Ltdewitt/sandbox

 Bibliography 

"Spatial distribution and morphological responses to predation in the salt marsh periwinkle"

https://esajournals-onlinelibrary-wiley-com.pallas2.tcl.sc.edu/doi/pdfdirect/10.1002/ecs2.2316

"Vertical migration as a refuge from predation in intertidal marsh snails: A field test"

https://www.sciencedirect.com/science/article/pii/0022098188901670

"Diet of the periwinkle littorina irrorata in a louisiana salt marsh"

https://aquila.usm.edu/cgi/viewcontent.cgi?article=1111&context=gcr

"Occurrence of random and directional movements in the periwinkle, Littorina littorea"

https://www-sciencedirect-com.pallas2.tcl.sc.edu/science/article/pii/0022098182901162?via%3Dihub