نوع مقاله : بوم شناسی
نویسندگان
1 گروه شیلات، دانشکده شیلات و محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران
2 موسسه تحقیقات علوم شیلاتی کشور، سازمان تحقیقات و آموزش و ترویج کشاورزی، تهران، ایران
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Due to fast growth and simple inexpensive breeding of Tilapia is interested in many countries of the world and is known as invasive spice in countries which are not its origin cause serious crisis for biodiversity. The purpose of this research is studing the climatic conditions of Golestan province and comparing existing situation with Nile tilapia needs and surveying probability distribution of Nile tilapia by using GARP distribution predict model and finally existing probability in each section of province and surveing unwanted conforting strategies for this spiece. Distribution considered data in this case are those use as most important freshwater spices climatology data such as average annual temperature, precipitation, daytime and moisture. Jack nife method also is used to importance estimation of each mentioned data. Probability tilapia nich distribution is done in Geografic information system. According to extracted maps most nich tilapia suitable niches, Gonbad, Aqala and Gomishan sections where most important wetlands and dams located in this area. According to available data this three cities are the most important fish breeding in Golestan province so are expose seriously to invasive Nile tilapia.
کلیدواژهها [English]