Taking account of catchability in groundfish survey trawls: implications for estimating demersal fish biomass
نویسندگان
چکیده
منابع مشابه
Taking account of fish welfare: lessons from aquaculture.
This paper explores the possibility that lessons learned from aquaculture might contribute to current debate on welfare and fisheries. After looking briefly at the history of research interest in the welfare of farmed fishes, some implications of using different definitions of and approaches to the concept of welfare are discussed. Consideration is given to the way in which the aquaculture indu...
متن کاملGroundfish Essential Fish Habitat Environmental Impact Statement
At the September 2004 meeting, the Council considered a preliminary range of alternatives developed by the Ad Hoc Essential Fish Habitat (EFH) Environmental Impact Statement (EIS) Oversight Committee for evaluation in the Groundfish EFH EIS. The Council adopted a somewhat altered range of alternatives and forwarded them for analysis in a draft EIS (DEIS) (The analysis of the range of alternativ...
متن کاملTaking Account
Better reconciliation of the accounts, the gross domestic 1984. U.S. economic accounts product (GDP)-by-industry ac-This procedure was com-Economic measures are pro-counts, and expenditure-based pared with a pure proportional duced with varying frequen-GDP accounts with the 2002 and (PROP) adjustment procedure. cies—monthly, quarterly, or 2007 quinquennial I-O bench-The results showed that the ...
متن کاملTaking Account
New BEA paper on vertical goods, which in turn are inputs direct investment, allowing specialization trade to final consumption goods. All firms to offshore while keeping Manufacturing trade and verti three types of goods may be production within the firms. cal specialization trade, which traded but face transportation Trade among affiliated firms can be defined as trade in goods costs and tar...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: ICES Journal of Marine Science
سال: 2007
ISSN: 1095-9289,1054-3139
DOI: 10.1093/icesjms/fsm145