21. It then flows through a number of pools before reaching the estuarine area. 22. There are extensive deposits of estuarine alluvium on the shores of the Severn. 23. Otolith microchemistry has been used to accurately identify estuarine nursery areas of fish. 24. The form found in lagoons is thinner-shelled than the estuarine populations. 25. The site contains both estuarine waters and rice paddies. 26. They are found in marine or estuarine waters. 27. Thus, only 36 per cent of the coastal and estuarine land is undeveloped. 28. National Estuarine Research Reserve System : http : / / nerrs . noaa . gov 29. The coastline and adjacent waters support highly productive marine ecosystems such as estuarine seagrasses. 30. Estuarine and coastal ecosystems are both marine ecosystems.
