This study illustrated some nutritional value of two marine algaes (U. rigida and U. intestinalis) which belong to the division chlorophyta. Canadian Field Naturalist 94(3): 248-258. Occurrence dataset: accessed via on 2018-10-01. Carlton, and C.L. intestinalis, Ulva compressa var. The Biology of Rocky Shores. Journal of Experimental Marine Biology and Ecology 254(1): 53-69. Occurrence dataset: accessed via on 2018-10-01. 1. Positive and negative effects of riverine input on the estuarine green algae Ulva intestinalis (syn. & Marsland, A., 1976. Literature survey of the common flora of estuaries. Lotze et al. They are, however, difficult to distinguish. Kalteresistenze der Meerealen. There was also a significant reduction is sediment erosion. Cohen, R.A., and P. Fong. Thallus completely tubular and elongate, increasing in width from base to mid thallus. Seaweeds have no known mechanism for visual perception. In European coastal waters, epiphytic benthic diatoms prefer growing on monosiphonous forms of U. prolifera to colonizing broad and flattened forms of U. intestinalis (Holt 1980). In Thermal Ecology II, (eds. D., Houston, M. & Montgomery, H.A.C., 1985. Ulva intestinalis and Ulva compressa are two bloom-forming morphologically-cryptic species of green seaweeds widely accepted as cosmopolitan in distribution. Reed, R.H., and G. Russell. It is particularly prolific in areas where nutrients are abundant. Lancashire Environment Record Network, 2018. Marine Ecology Progress Series 138(1-3): 157-168. Occurrence dataset: accessed via on 2018-10-01. Merseyside BioBank., 2018. Furthermore, some marine forms of U. intestinalis are more difficult for grazers to handle and ingest than species with more frond structure (Watson and Norton 1985). 2004). Lewis, S., May, S., Donkin, M.E. & Fish, S., 1996. 1996). Sinking rates and viability of spores from benthic algae in central Chile. Reed, R.H. & Russell, G., 1978. Desmond, and J.B. Zedler. Rice, H., Leighty, D.A. Sporophytes are often also capable of reproducing over longer time periods than gametophytes (Cordi et al. Aquatic Ecology 45(1): 75-87. Kent Wildlife Trust Shoresearch Intertidal Survey 2004 onwards. 2002. With respect to its introduction to the Great Lakes drainage, authors typically mention that it is considered native to the Atlantic coast of North America (Mills et al. Lotze, H.K., and B. By Ommee Benjama and Payap Masniyom. Edwards, D.M., R.H. Reed, and W.D.P. Lewis, S., Donkin, M.E. Occurrence dataset: accessed via on 2018-10-01. Moss, B., and A. Marsland. Observe and draw the thallus morphology of Ulva intestinalis with the naked eye and under the dissecting scope. BRERC species records recorded over 15 years ago. Marine Pollution Bulletin, 6, 189-192. Vertical distribution of seaweed spores in a water column off shore of North Carolina. 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