نویسندگان
1 دانشگاه علوم کشاورزی و منابع طبیعی گرگان
2 پژوهشکده اکولوژی دریای خزر
3 دانشگاه صنعتی امیرکبیر
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Conical lift nets catch kilka fish in Iran. Conical lift nets are usually made of polyamide 6.6 (nylon) with 210D/ 9 number. One of the main problems of fishermen is determining the right time to change fishing nets. Unfortunately, due to lack of data they do not change their nets at the right time. Data were analyses using and The mean values of breaking strength data were compared using one-way ANOVA and Duncan's test. The results showed that there is significant differences between new nets and nets which is used for 10 months (P<0.05).
کلیدواژهها [English]
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