Dialogue
macrolepis had negative allometric progress models. not, this new b worth of brand new girls is actually lower than that a man. The b property value a man M. engeli shown a positive allometric gains pattern. Predicated on these types of gains development investigation, the study showed that Meters. engeli increases a lot better than L. macrolepis, and thus appearing one Meters. engeli is more adaptable into environment reputation out of Lambada Lhok oceans. In addition, the field observation into the connect structure of your anglers presented one M. engeli has also been prevalent. The fresh new Fulton’s status factor demonstrated hook difference in K worth amongst the female and male for variety, in which the K worthy of try higher than 1. Centered on Morton and you may Routledge 36 , a seafood society is in good shape in the event the K really worth exceeds step one. The study indicated that the K value of L. macrolepis varied from.sixteen to just one.22, and step 1.03 to one.09 to have Yards. engeli; hence, both communities have good condition, in lifeless and you can wet-season, correspondingly. Simultaneously, the cousin pounds position factor of each other species is close to a hundred, proving a balance anywhere between victim and predator 20 . These results demonstrate that such seas provide an adequate food resource of these types. This new cousin lbs position basis and additionally represents fish illnesses, stock estimates, and you may administration accounts 23,thirty five,36,38,39 . Hence, brand new Lambada Lhok oceans provide sufficient eating source for mullets.
Desk dos. This new b value, coefficient of correlation and you may devotion, and condition affairs regarding Liza macrolepis dan Moolgarda engeli sampled regarding pling seasons
The outcomes in addition to shown differences in progress patterns in the dry and you may damp season, and this new seafood became top inside dry season. The latest possible reason is the fact that seas are obvious and you may good restriction price off sunlight permeates into the oceans, creating the development of phytoplankton and alga. Algae are a first food on mullets forty–43 . By comparison, turbidity and you may currents was in fact high in wet season forty-two , and you may and thus think to prevent the organization regarding phytoplankton and algae as important food item to have mullets 42,forty five . An equivalent phenomenon are claimed from the Chu et al. 29 , who discover a terrible gains trend for the L. macrolepis in Taiwan during cold temperatures, and an enthusiastic isometric growth trend during summer and you can spring. More over, Sandhya and you will Shameem 29 observed a bad increases development inside L. macrolepis within the contaminated seas, compared with an enthusiastic isometric increases pattern from inside the unpolluted seas. not, a face-to-face in search of is actually said in the five species of seafood (Barbus intermedius, Clarias gariepinus, Labeo cylindricus, Oreochromis niloticus baringoensis and Protopterus aethiopicu) regarding the Lake Baringo, Kenya 46 where this type of kinds was broadening really throughout wet season 46 . Therefore, it concluded that 12 months affected rather into the LWRs, but failed to impact the updates foundation off seafood 46 . A poor increases pattern has also been advertised inside three types of mullets (Parachelon grandisquamis, Neochelon falcipinnis and you can Mugil cephalus) about Sombreior Adventure dating site River, Niger Delta, Nigeria 47 . Considering Blackwell et al. 20 the Wr excellent so you can imagine fish illnesses, inventory, and you can management amounts of fisheries resources.
According Muchlisin ainsi que al. twenty-two , and struggling with the environmental activities, the development trend of seafood is additionally dependent on seafood decisions; like, the brand new seafood that were energetic swimmer had a lower b value compared to those that have been inactive swimmers 48–50 .
The typical relationship coefficients of L. macrolepis was indeed 0.93 and you may 0.89 in females and you will people, correspondingly, while M. engeli got a relationship coefficient from 0.89 for men and you may 0.93 for women. As a whole, brand new relationship coefficients out-of L. macrolepis and you will M. engeli were comparable (more than 75%), exhibiting an effective relationship anywhere between overall size and the body pounds. New dedication coefficients out of L. macrolepis was in fact 0.85 and you can 0.65 with the men and women fish, correspondingly, and therefore up to 65%–85% away from overall alternatives is said because of the design, while Yards. engeli got a value of 0.90 and you can 0.94 for males and you may female, correspondingly, proving one to 90%–94% away from variants would be explained because of the design.