Some fish ans also ducks will eat duckweed, but not usually as as fat as it can grow and replace itself. Sago pondweed is an extremely important aquatic plant in lakes and ponds because of its nutritional value as a food source for birds, including waterfowl (especially diving ducks and swans), marsh birds, and shorebirds. Credit will be issued within 30 days of receipt of merchandise. (parseInt(navigator.appVersion) >= 3 )) || We will send along some cheese cloth bags for planting the tubers. When viewed from the surface of the water, it can resemble long strands of grass growing up from the bottom. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. THE REPRODUCTION AND MODE OF SPREAD OF SAGO PONDWEED (POTAMOCETON PEC'WINATT3'S L.) IN IRRIGATION SYSTEMS INTRODUCTION Sago pondweed (Potamogeton pectinatas L.) is a submersed, rooted, perennial, aquatic seed … Above, sago pondweed goes to seed in the Severn River Sanctuary in Anne Arundel County, Md., on July 10, 2016. In a study of sago false pondweed tuber grazing by Bewick's swans, surviving tubers in heavily-grazed populations were buried on average significantly deeper in bottom sediments than tubers in ungrazed stands. A simple model, incorporating sampled standing crop values for open and control plots, was used to estimate plant use. During the summer, coots (Fulica spp.) // -->