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Iranian Journal of Ichthyology، جلد ۱، شماره ۱، صفحات ۵۱-۶۰
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Estimation of fish composition and catchability coefficient of gillnet in the Shadegan Wetland
چکیده انگلیسی مقاله To estimate the fish composition and catchability coefficient of gillnet, a survey was carried out during April 2011 to March 2012 in the Shadegan Wetland, Khuzestan Province, Iran. Samples were collected from five stations viz., Mahshar, Rogbe, Khorosy, ‍Salmane and Atish. Approximately 4300 fish specimens were measured and depletion method was used for the estimation of Catchability coefficients of gillnet. Mean±SD q value for Leslie model in different season was 0.008±0.006 and its maximum and minimum values were 0.001 (summer) and 0.004 (spring), respectively. Mean±SD q value for Delury model in different seasons was 0.0007±0.0001 and its maximum and minimum values were 0.002 (summer) and 0.0007 (winter), respectively. Mean±SD of q value for Leslie model in different stations was 0.008±0.006 and for Delury model in different station was 0.003±0.001. Mean catchability value of Leslie model was higher than that for Delury model. Using Students t-test, no significant differences between the calculated Leslie and Delury models among the different stations (P>0.05) and different seasons were observed (P>0.05). A comparison of catchability values showed that there are no significant differences among different seasons (ANOVA, F=0.32, P>0.05) and among different stations (ANOVA, F=0.29, P>0.05).
کلیدواژه‌های انگلیسی مقاله Catchability, Gillnet, Shadegan Wetland, Iran.
نویسندگان مقاله سید احمدرضا هاشمی | seyed ahmadreza hashemi
department of fishery, faculty of fisheries and environment, gorgan university of agricultural sciences and natural resources, gorgan, iran.

سازمان اصلی تایید شده: دانشگاه گلستان (Golestan university)

رسول قربانی | rasoul ghorbani
department of fishery, faculty of fisheries and environment, gorgan university of agricultural sciences and natural resources, gorgan, iran.

سازمان اصلی تایید شده: دانشگاه گلستان (Golestan university)

فرهاد کیمرام | farhad kymaram
fisheries research organization, tehran, iran.


سید عباس حسینی | seyed abass hossini
department of fishery, faculty of fisheries and environment, gorgan university of agricultural sciences and natural resources, gorgan, iran.

سازمان اصلی تایید شده: دانشگاه گلستان (Golestan university)

غلامرضا اسکندری | gholamreza eskandari
southern iran aquaculture research center, ahvaz, iran.


علی اکبر هدایتی | aliakbar hedayati
department of fishery, faculty of fisheries and environment, gorgan university of agricultural sciences and natural resources, gorgan, iran.

سازمان اصلی تایید شده: دانشگاه گلستان (Golestan university)

نشانی اینترنتی http://ijichthyol.org/index.php/iji/article/view/53
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/451/article-451-383463.pdf
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زبان مقاله منتشر شده en
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