(12) Kobayashi, D. 2004. Unpubl. studies on document during the Pac. Isl. Seafood. Sci. Penny., Natl. Mar. Fish. Serv., 2570 Dole Path, Honolulu, Hey 96822-2396.
The effects of intercourse and you can week on the variables was also tested
(14) Uchiyama, J. H., and R. An effective. Skillman. Unpubl. analysis on the document at the Pac. Isl. Fish. Sci. Cent., Natl. Mar. Fish. Serv., 2570 Dole Path, Honolulu, Hi 96822-2396.
Both dolphinfish and wahoo fall into the new kinds cutting-edge out of Pelagic Management Equipment Species on West Pacific Local Fishery Administration Council (NMFS, 2001), where it show an important component of the economical landings. Weight-duration dating also are utilized for transforming metrics inside the level and you may recapture tests and also in databases not having both metric, in addition they can be used to mean system status otherwise robustness off fish for the a stock (Ce Cren, 1951). This study into dolphinfish and you can wahoo got in the Honolulu fish market through the 1988-89 makes reference to W-L predictor details predicated on tens of thousands of proportions level a wide dimensions diversity.
Oxenford and you will Hunte (1986b) plotted and you may aesthetically opposed this new W-L relationships off dolphinfish of New york (Rose and Hassler, 1968), Fl (Beardsley, 1967), and you may Barbados (its data) and discovered absolutely nothing difference in the newest W-L relationship among these urban centers regarding west and you can central Atlantic
Male dolphinfish achieve larger sizes than females. The largest male during the sampling period measured 149 cm, whereas the largest female measured 137 cm. In the initial data examination consisting of 2,495 paired measurements, 13 observations were identified as outliers and deleted from all further analyses. Using data trimmed to a range of 65-137 cm FL, the differences in W-L parameters based on sex for dolphinfish were both significant (coefficient: p <0.01 and exponent: p <0.01; Table 1). Females and males were separately grouped by month of landing; data were trimmed to only include fish in the 90-135 cm FL range, and then analyzed by GLM. Other than March and April, most months covered about 90% or more of the trimmed length range. Month as a categorical factor was significant for both females (p < 0.05; Table 2) and males (p < 0.01; Table 3).
Past research has dealt temporarily having intimate dimorphism out of dolphinfish. Specific has plotted the W-L matchmaking individually for males and females (Beardsley, 1967; Flower and Hassler, 1968; Chatterji and you can Ansari, 1985; and you will Oxenford and you may Hunte, 1986b) or considering independent equations for males and you can people (Lasso and Zapata, 1999; Massuti et al., 1999) instead providing a statistical excuse on the separation. Wang (1979) tabulated the brand new imply W-L individually for men and you can women. Schuck (1951) and you may Beardsley (1967) just said that the new indicate W-L for men are greater than people. This study mathematically tested the real difference regarding W-L coefficients out-of female and male dolphinfish (Dining table step one) plus the empirical difference in forecast mean W-L can be viewed within the Figure 5. Bannister (1976) visually opposed plots of land regarding W-L matchmaking out of dolphinfish trapped on the Mediterranean which have those stuck regarding North carolina throughout the western Atlantic (Flower and you may Hassler, 1968). Projected parameters or other mathematical research having log-linearized W-L relationship off Hawaiian dolphinfish are offered very others normally mathematically examine W-L coefficients out-of dolphinfish from other parts and especially other places of the Pacific Basin (Table cuatro).
Matsumoto (1967) located 38 wahoo larvae and you will juveniles for the http://datingranking.net/asian-dating step 1,643 products regarding oblique plankton tows amassed on open water, therefore a finite amount of spawning might exist overseas. Although not, a relocate to nearshore seas in may for spawning in the june was similar to the boost in updates and catch pricing throughout the nearshore fisheries. A diagnosis now started away from geographic models and you will shifting off highest hook rate portion went along to by Hawaii-created longline fleet means that the best wealth parts getting wahoo contained in this range of the fresh fleet try southwestern of islands seasons round but bequeath northward with the coastal banking companies delivered over 1,2 hundred mi. during the summer. (12)
Arocha, F., L. A great. Marcano, A beneficial. Larez, D. Altuve, and you can J. Alio. 1999. The fishery, group proportions framework and you can oocyte development of dolphinfish, Coryphaena hippurus, within the Venezuela and you can adjacent waters. Sci. Mar. 63(3-4):401-409.
Oxenford, H. A great. 1999. Biology of dolphinlish (Coryphaena hippurus) on western central Atlantic: an assessment. Sci. Mar. 63(3-4):277-301.
(11) Firing, J., Roentgen. Hocke, and R. Brainard. 2004. Body acceleration and you can profiling drifters song possible larval pathways inside Northwestern Destinations. Poster speech within Northwestern Destinations Third Scientific Symposium, 2-, Hawaii Seminar Heart, Honolulu.
