Résultats de la recherche
-
An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
expected number of illegal fi shing days. Di is derived from the data and is given by: i i iD L E= − (3 ... . The ranges presented in column 3 represent the entire range of estimates for that level of evasion to ... estimating the level of illegal fi shing Figure 3: Ten illegal fi shing cruises with different levels of ... probability. The graphs in this fi gure combine the appropriate graphs from Figures 1, 2 and 3. The plots in ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Auteur(s): Ball, I
-
Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
: Reference Number 1. Approaches to South Georgia 3596 2. South Georgia 3597 3. Stewart Strait 3592 4 ... has been designated by '(S)' in the longitude (W) column of the tables. 3. RESULTS Areas of ... , South Georgia and Shag Rocks are summarized in Table 3. REFERENCES EVERSON, I. 1988. Areas of seabed ... 30 34 0.0 0.0 209.5 3257.7 464 Table 3: Summary of areas of seabed for Shag Rocks, South ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Auteur(s): Everson, I. and S. Campbell
-
Some thoughts on precautionary measures for the krill fishery
CCAMLR Science, Vol. 3 (1996): 1-11 SOME THOUGHTS ON ... , ocHosaHHoe Ha p a 3 p a 6 0 ~ a ~ ~ 0 8 Pa6oseii rpynnoii H a y s ~ o r o KoMmeTa AHTKOMa no Kpmm (WG ... nnz o 6 e c n e ~ e ~ w ~ 6 n a r o n o n y ~ ~ o r o BbllKLIBaHHX 6 a 3 u p y m w ~ x c ~ Ha CyUe ... npLIMeHeHMe 3 T O r 0 IIOQXOna, a TaKXe BOnpOC 0 TOM, KaKLIM 0 6 p a 3 0 ~ ~ a ~ ~ b l f i MeTOA CBSl3aH C ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Auteur(s): Everson, I. and W.K. de la Mare
-
CCAMLR ecosystem monitoring and management: future work
scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ... 40 50 60 Year 0 1 2 3 (a) (b) (c) Figure 2: Potential effects of fi shing on krill density ... establish the status of the predator populations prior to the development of the fi shery. Example 3 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Auteur(s): Constable, A.J
-
Surface areas of seabed within the 500 m isobath regions within the South Shetland Islands (Subarea 48.1)
differences of area estimates (Table 3) from 0.56 n miles' for the 201-300 m stratum to 213.55 n miles2 for ... * 834.54 696.38 1 349.04 1 052.90 999.48 999.17 Table 3: Summary of areas of seabed (nautical ... une surface plane. Tableau 3: Rksume des surfaces de fond marin (miles n2) de la region de I'ile ~ l ... c ~ o c ~ ~ o i i npoeKqtia H 1 3 ~ ~ e p n o n f i p o ~ a ~ ~ o f i nnoruanx IIOBepXHOCTH ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 133–140 : Auteur(s): Jones, C.D., S.N. Sexton and R.E. Cosgrove III
-
Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides
, Casilla 8-V, Valparafso, Chile 2 Universidad Austral de Chile, Casilla 567, Valdivia, Chile 3 paC1 ... survey. (1) (2) (3) (4) (5) 5 So as to reduce the number of parameters, the specific ... representing patterns of partial recruitment for the very old fish characteristic of longline fishing. 3 ... probable range. 4. RECRUITMENT ESTIMATION Replacing (3) in (l) and summing over all ages, we may ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Auteur(s): Zuleta, A.V. and C.A. Moreno
-
Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
IJ c se (3) in which C is the number of cells c in which lines were hauled both in the presence ... ) Sperm whales Killer whales Figure 3: Interaction rates of killer and sperm whales with longlines ... whales (p > 0.05; Figure 3). Losses due to depredation CPUE was significantly and negatively ... ± 4% versus 31 ± 6% for killer whales alone and 33 ± 3% for killer whales and sperm whales together ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
-
Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
1991 (Figures 3 and 4) with anomalies in 2000 and 2001 (Figures 5 and 6) reveals a signifi cant ... January 1990/91 and 2000/01 (Figures 3 to 6). The annual reports of krill catches refl ect the impact ... is shown on the map). 60 45 50 55 Figure 2: Mean monthly SST difference. 60 Figure 3 ... moyennes mensuelles. Figure 3: Anomalies de la SST de janvier 1990. Figure 4: Anomalies de la SST de ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Auteur(s): Vanyushin, G.P
-
Determination of Antarctic krill acoustic back-scattering cross-section
independence of random values, where ao -4 - G ·ao (3) mean acoustic back-scattering section for the ... measurements, the following parameters of the echo sounder were determined : p = 49 103 Palm, = 3.1 10-3 v ... /noise was not less than 3. To exclude the dependenc€of the maximum detection angle on the depth ... -63.4 3 Scotia Sea 3.45 11. 5 1.1 4.61 0.75 3.60 6.00 7.5 -62.2 4 South Georgia 1. 97 5.6 0.5 3.57 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Auteur(s): Protaschuk, V.A. and T.A. Lukashova
-
Scientific observations in CCAMLR fisheries – past, present and future
section should be completed. 3. Guidelines for scientifi c observers • maturity scales for the main ... twilight reference tables • Beaufort scale defi nitions • a list of CCAMLR data codes. Table 3: The format ... ______________________________________________________________________ 3 In particular, these relate to data collection plans to be undertaken by scientifi c observers ... format (Table 3). The e-logbooks have several major advantages, the main one being cost-effective and ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard