机读格式显示(MARC)
- 000 01700nam 2200373 a 4500
- 008 081202s2007 it a b i000 0 eng d
- 020 __ |a 9789251058763 : |c CNY30.00
- 090 __ |a FAO/S9-5/FAO/V.506
- 100 1_ |a Valdemarsen, John W.
- 245 10 |a Options to mitigate bottom habitat impact of dragged gears / |c by John Willy Valdemarsen, Terje Jorgensen, Arill Engas.
- 260 __ |a Rome : Food and Agriculture Organization of the United Nations, |c 2007.
- 300 __ |a viii, 29 p. : |b ill. (some ill.) ; |c 25 cm.
- 440 _0 |a FAO fisheries technical paper, |x 0429-9345 ; |v no. 506
- 504 __ |a Includes bibliographical references (p. 27-29).
- 505 0_ |a Summary of what is known about the effect of dragged fishing gears on the seabed -- Dragged gears -- Off-bottom trawling -- Alternative gears to catch demersal species -- Increased catch rates to reduce seabed impact -- Advantage of using lesser impacting gears.
- 650 _0 |a Aquatic habitats |x Conservation.
- 650 _0 |a Aquatic ecology |x Conservation.
- 650 _0 |a Trawls and trawling |x Environmental aspects.
- 650 _0 |a Dredging (Fisheries) |x Environmental aspects.
- 700 1_ |a Jorgensen, Terje.
- 710 2_ |a Food and Agriculture Organization of the United Nations.
- 905 __ |a CAU |f FAO/S9-5/FAO/V.506 |b W0080977(or.) |b W0081880(or.)
- 907 __ |a CAU |f FAO/S9-5/FAO/V.506 |b W0080977(or.) |b W0081880(or.)
- 999 __ |t E |A wzhlc |a 20091111 08:38:40 |G wzhlc |g 20081202 14:54:23 |I wzhlc |i 20091111 08:39:1