▁thin ning ▁can ▁reduce ▁the ▁potential ▁for ▁rec ruit ment ▁of ▁L WD ▁into ▁proxim al ▁streams . ▁The ▁presence ▁of ▁large ▁wo ody ▁de br is ▁is ▁important ▁in ▁the ▁formation ▁of ▁po ols ▁which ▁serve ▁as ▁sal mon ▁habitat ▁in ▁the ▁Pacific ▁North west . ▁Ent rain ment ▁of ▁the ▁large ▁wo ody ▁de br is ▁in ▁a ▁stream ▁can ▁also ▁cause ▁er os ion ▁and ▁sc our ing ▁around ▁and ▁under ▁the ▁L WD . ▁ ▁The ▁amount ▁of ▁sc our ing ▁and ▁er os ion ▁is ▁determined ▁by ▁the ▁ratio ▁of ▁the ▁diameter ▁of ▁the ▁piece , ▁to ▁the ▁depth ▁of ▁the ▁stream , ▁and ▁the ▁embedding ▁and ▁orientation ▁of ▁the ▁piece . ▁ ▁In flu ence ▁on ▁stream ▁flow ▁around ▁b ends ▁Lar ge ▁wo ody ▁de br is ▁slow ▁the ▁flow ▁through ▁a ▁b end ▁in ▁the ▁stream , ▁while ▁acceler ating ▁flow ▁in ▁the ▁con str icted ▁area ▁down stream ▁of ▁the ▁obst ruction . ▁ ▁See ▁also ▁Be aver ▁dam ▁Co arse ▁wo ody ▁de br is ▁ ▁Dr ift wood ▁Log ▁jam ▁Stream ▁rest oration ▁ ▁References ▁ ▁Category : D ead ▁wood ▁Category : H ydro log y ▁Category : For est ▁e col ogy ▁Category : H ab itat <0x0A> </s> ▁Ar s ène ▁Do ▁Mar col ino ▁Rog omb é ▁( born ▁ 2 6 ▁November ▁ 1 9 8 6 ) ▁is ▁a ▁Gab on ese ▁international ▁footballer ▁who ▁plays ▁club ▁football ▁in ▁France ▁for ▁Po it iers ▁FC .