2018年12月13日 · When salmonids spawn they dig a nest for their eggs to incubate in. This nest is called a redd. Why is it called redd? Is it because salmon eggs can be reddish in color? …

2012年10月1日 · The redd is the general location selected by a female for laying eggs. Within that site, she may dig several nests and deposit eggs in them over a period of several days. The …

Redd topographic measurements and egg excavation were performed to determine number of nests per redd and per female, nest depth, distances between successive nests, number of …

2013年9月1日 · Eggs of Atlantic salmon (Salmo salar) are deposited in redds in river bed gravels lacking fine sediments and with high oxygen levels. Egg development is therefore dependent …

2014年3月29日 · The female salmon digs a number of redds, depositing a few hundred eggs in each during the one or two days she is spawning. Each redd is located immediately upstream …

A female salmon will stay with her redd to put on the finishing touches and protect it from other females who might want to use the same spot. Eventually, she will drift downstream and die, …

Spawning salmon build redds to protect their eggs from predation and damage from agitation and bed scour [Smirnova, 1955]. Redd construction proceeds by the female using rapid …

A redd is a nest of rocks built by spawning salmon to protect their eggs. As you recreate on the river, it is vital to know what to look for and how to avoid disturbing the delicate redds that are …

2023年8月9日 · The female salmon will keep digging and cleaning the gravel until she has spawned all her eggs. Then she moves to the sides, digging trenches to focus the stream flow …

2016年2月22日 · A major reason why many salmon eggs may not survive is that adult salmon often dig their redds (nests) on top of redds already created by other fish. This “redd …