Supernumerary chromosome inheritance in the curimbatá(Prochilodus lineatus) of the Mogi-Guaçu River
نویسندگان
چکیده
منابع مشابه
Supernumerary chromosome inheritance in the curimbatá (Prochilodus lineatus) of the Mogi-Guaçu River.
Prochilodus lineatus is widely used in pisciculture projects, mainly in the south of Brazil. It shows a basic karyotype composed of 2n = 54 chromosomes, in addition to as many as seven supernumerary chromosomes, also known as B-chromosomes. These additional small chromosomes are frequently heterochromatic, vary in number and morphology, and generally have no homology with the A complement. Inte...
متن کاملEconomic valuation of the Emas waterfall, Mogi-Guaçu River, SP, Brazil.
The Emas waterfall in Mogi-Guaçu River is regionally recognized as an important fishing spot and touristic place. The first reports of the professional and sport fishing there date back from the 30's, which is the same period when the tourism took place. The present paper provides an environmental valuation of this place and an assessment of the differences among the major groups of people usin...
متن کاملMigration of the curimbatá Prochilodus lineatus (Valenciennes, 1836) (Pisces, Prochilodontidae) at the waterfall "Cachoeira de Emas" of the Mogi-Guaçu river--São Paulo, Brazil.
In this paper, we counted the ascending curimbatás at the fish ladder at the Cachoeira de Emas from October, 1992 to September, 1993 in one whole day (24 h period) per month at different observation points in the dam for 5 min every hour. Most of the fish (80%) were counted not in the fish ladder itself, but in two adjacent spillways at its left, perhaps due to the comparatively increased flow ...
متن کاملSport fishing in Cachoeira de Emas in Mogi-Guaçu River, State of São Paulo, Brazil.
Sport fishing is an important leisure activity in many countries. It directly and indirectly generates income and jobs for millions of people. In some places, its landing outstrips production from professional fishing but this fact is not always taken into account in the establishment of management actions. In the area of Cachoeira (Waterfall) de Emas there are reports of intense fishing since ...
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عصر روشنگری زمان شکل گیری ایده های مدرن تربیتی- آموزشی بود اما تاکید بیش از اندازه ی دوشاخه مهم فلسفی زمان یعنی عقل گرایی و حس گرایی بر دقت و وضوح، انسان عصر روشنگری را نسبت به دیگر تواناییهایش نابینا کرده و موجب به وجود آمدن افرادی تک بعدی شد که افتخارعقلانیتشان، تاکید شان بر تجربه فردی، به مبارزه طلبیدن منطق نیاکانشان وافسون زدایی شان از دنیا وتمام آنچه با حواس پنجگانه قابل درک نبوده و یا در ...
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ژورنال
عنوان ژورنال: Hereditas
سال: 2010
ISSN: 0018-0661
DOI: 10.1111/j.1601-5223.2009.02135.x