00338    a2200121   4500020001500000082001600015245005700031260005200088300001800140650002200158650001200180650002400192  a0309083400  a639.22bEFF  aEffects of trawling and dredging on seafloor habitat  aWashingtonbNationaal Academy Pressc2002g2002  ax,126p.c30cm  aDeep- Sea Fishing  aFishing  aFishing-salt Waters